+++ /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) 2007 - 2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- *
- * 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 COPYING.
- *
- * 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) 2005 - 2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- * 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/completion.h>
-#include <linux/dma-mapping.h>
-#include <linux/firmware.h>
-#include <linux/module.h>
-#include <linux/vmalloc.h>
-
-#include "iwl-drv.h"
-#include "iwl-csr.h"
-#include "iwl-debug.h"
-#include "iwl-trans.h"
-#include "iwl-op-mode.h"
-#include "iwl-agn-hw.h"
-#include "iwl-fw.h"
-#include "iwl-config.h"
-#include "iwl-modparams.h"
-
-/******************************************************************************
- *
- * module boiler plate
- *
- ******************************************************************************/
-
-#define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
-MODULE_DESCRIPTION(DRV_DESCRIPTION);
-MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
-MODULE_LICENSE("GPL");
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
-static struct dentry *iwl_dbgfs_root;
-#endif
-
-/**
- * struct iwl_drv - drv common data
- * @list: list of drv structures using this opmode
- * @fw: the iwl_fw structure
- * @op_mode: the running op_mode
- * @trans: transport layer
- * @dev: for debug prints only
- * @cfg: configuration struct
- * @fw_index: firmware revision to try loading
- * @firmware_name: composite filename of ucode file to load
- * @request_firmware_complete: the firmware has been obtained from user space
- */
-struct iwl_drv {
- struct list_head list;
- struct iwl_fw fw;
-
- struct iwl_op_mode *op_mode;
- struct iwl_trans *trans;
- struct device *dev;
- const struct iwl_cfg *cfg;
-
- int fw_index; /* firmware we're trying to load */
- char firmware_name[32]; /* name of firmware file to load */
-
- struct completion request_firmware_complete;
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- struct dentry *dbgfs_drv;
- struct dentry *dbgfs_trans;
- struct dentry *dbgfs_op_mode;
-#endif
-};
-
-enum {
- DVM_OP_MODE = 0,
- MVM_OP_MODE = 1,
-};
-
-/* Protects the table contents, i.e. the ops pointer & drv list */
-static struct mutex iwlwifi_opmode_table_mtx;
-static struct iwlwifi_opmode_table {
- const char *name; /* name: iwldvm, iwlmvm, etc */
- const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */
- struct list_head drv; /* list of devices using this op_mode */
-} iwlwifi_opmode_table[] = { /* ops set when driver is initialized */
- [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
- [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
-};
-
-#define IWL_DEFAULT_SCAN_CHANNELS 40
-
-/*
- * struct fw_sec: Just for the image parsing process.
- * For the fw storage we are using struct fw_desc.
- */
-struct fw_sec {
- const void *data; /* the sec data */
- size_t size; /* section size */
- u32 offset; /* offset of writing in the device */
-};
-
-static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
-{
- vfree(desc->data);
- desc->data = NULL;
- desc->len = 0;
-}
-
-static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
-{
- int i;
- for (i = 0; i < IWL_UCODE_SECTION_MAX; i++)
- iwl_free_fw_desc(drv, &img->sec[i]);
-}
-
-static void iwl_dealloc_ucode(struct iwl_drv *drv)
-{
- int i;
-
- kfree(drv->fw.dbg_dest_tlv);
- for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++)
- kfree(drv->fw.dbg_conf_tlv[i]);
- for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++)
- kfree(drv->fw.dbg_trigger_tlv[i]);
-
- for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
- iwl_free_fw_img(drv, drv->fw.img + i);
-}
-
-static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
- struct fw_sec *sec)
-{
- void *data;
-
- desc->data = NULL;
-
- if (!sec || !sec->size)
- return -EINVAL;
-
- data = vmalloc(sec->size);
- if (!data)
- return -ENOMEM;
-
- desc->len = sec->size;
- desc->offset = sec->offset;
- memcpy(data, sec->data, desc->len);
- desc->data = data;
-
- return 0;
-}
-
-static void iwl_req_fw_callback(const struct firmware *ucode_raw,
- void *context);
-
-#define UCODE_EXPERIMENTAL_INDEX 100
-#define UCODE_EXPERIMENTAL_TAG "exp"
-
-static int iwl_request_firmware(struct iwl_drv *drv, bool first)
-{
- const char *name_pre = drv->cfg->fw_name_pre;
- char tag[8];
-
- if (first) {
-#ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
- drv->fw_index = UCODE_EXPERIMENTAL_INDEX;
- strcpy(tag, UCODE_EXPERIMENTAL_TAG);
- } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
-#endif
- drv->fw_index = drv->cfg->ucode_api_max;
- sprintf(tag, "%d", drv->fw_index);
- } else {
- drv->fw_index--;
- sprintf(tag, "%d", drv->fw_index);
- }
-
- if (drv->fw_index < drv->cfg->ucode_api_min) {
- IWL_ERR(drv, "no suitable firmware found!\n");
- return -ENOENT;
- }
-
- snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
- name_pre, tag);
-
- /*
- * Starting 8000B - FW name format has changed. This overwrites the
- * previous name and uses the new format.
- */
- if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) {
- char rev_step = 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev);
-
- snprintf(drv->firmware_name, sizeof(drv->firmware_name),
- "%s%c-%s.ucode", name_pre, rev_step, tag);
- }
-
- IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
- (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
- ? "EXPERIMENTAL " : "",
- drv->firmware_name);
-
- return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
- drv->trans->dev,
- GFP_KERNEL, drv, iwl_req_fw_callback);
-}
-
-struct fw_img_parsing {
- struct fw_sec sec[IWL_UCODE_SECTION_MAX];
- int sec_counter;
-};
-
-/*
- * struct fw_sec_parsing: to extract fw section and it's offset from tlv
- */
-struct fw_sec_parsing {
- __le32 offset;
- const u8 data[];
-} __packed;
-
-/**
- * struct iwl_tlv_calib_data - parse the default calib data from TLV
- *
- * @ucode_type: the uCode to which the following default calib relates.
- * @calib: default calibrations.
- */
-struct iwl_tlv_calib_data {
- __le32 ucode_type;
- struct iwl_tlv_calib_ctrl calib;
-} __packed;
-
-struct iwl_firmware_pieces {
- struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
-
- u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
- u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
-
- /* FW debug data parsed for driver usage */
- struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
- struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
- size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
- struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
- size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
-};
-
-/*
- * These functions are just to extract uCode section data from the pieces
- * structure.
- */
-static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
- enum iwl_ucode_type type,
- int sec)
-{
- return &pieces->img[type].sec[sec];
-}
-
-static void set_sec_data(struct iwl_firmware_pieces *pieces,
- enum iwl_ucode_type type,
- int sec,
- const void *data)
-{
- pieces->img[type].sec[sec].data = data;
-}
-
-static void set_sec_size(struct iwl_firmware_pieces *pieces,
- enum iwl_ucode_type type,
- int sec,
- size_t size)
-{
- pieces->img[type].sec[sec].size = size;
-}
-
-static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
- enum iwl_ucode_type type,
- int sec)
-{
- return pieces->img[type].sec[sec].size;
-}
-
-static void set_sec_offset(struct iwl_firmware_pieces *pieces,
- enum iwl_ucode_type type,
- int sec,
- u32 offset)
-{
- pieces->img[type].sec[sec].offset = offset;
-}
-
-static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
-{
- int i, j;
- struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
- struct iwl_fw_cipher_scheme *fwcs;
- struct ieee80211_cipher_scheme *cs;
- u32 cipher;
-
- if (len < sizeof(*l) ||
- len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
- return -EINVAL;
-
- for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
- fwcs = &l->cs[j];
- cipher = le32_to_cpu(fwcs->cipher);
-
- /* we skip schemes with zero cipher suite selector */
- if (!cipher)
- continue;
-
- cs = &fw->cs[j++];
- cs->cipher = cipher;
- cs->iftype = BIT(NL80211_IFTYPE_STATION);
- cs->hdr_len = fwcs->hdr_len;
- cs->pn_len = fwcs->pn_len;
- cs->pn_off = fwcs->pn_off;
- cs->key_idx_off = fwcs->key_idx_off;
- cs->key_idx_mask = fwcs->key_idx_mask;
- cs->key_idx_shift = fwcs->key_idx_shift;
- cs->mic_len = fwcs->mic_len;
- }
-
- return 0;
-}
-
-static int iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data,
- const u32 len)
-{
- struct iwl_fw_gscan_capabilities *fw_capa = (void *)data;
- struct iwl_gscan_capabilities *capa = &fw->gscan_capa;
-
- if (len < sizeof(*fw_capa))
- return -EINVAL;
-
- capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size);
- capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets);
- capa->max_ap_cache_per_scan =
- le32_to_cpu(fw_capa->max_ap_cache_per_scan);
- capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size);
- capa->max_scan_reporting_threshold =
- le32_to_cpu(fw_capa->max_scan_reporting_threshold);
- capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps);
- capa->max_significant_change_aps =
- le32_to_cpu(fw_capa->max_significant_change_aps);
- capa->max_bssid_history_entries =
- le32_to_cpu(fw_capa->max_bssid_history_entries);
- return 0;
-}
-
-/*
- * Gets uCode section from tlv.
- */
-static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
- const void *data, enum iwl_ucode_type type,
- int size)
-{
- struct fw_img_parsing *img;
- struct fw_sec *sec;
- struct fw_sec_parsing *sec_parse;
-
- if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
- return -1;
-
- sec_parse = (struct fw_sec_parsing *)data;
-
- img = &pieces->img[type];
- sec = &img->sec[img->sec_counter];
-
- sec->offset = le32_to_cpu(sec_parse->offset);
- sec->data = sec_parse->data;
- sec->size = size - sizeof(sec_parse->offset);
-
- ++img->sec_counter;
-
- return 0;
-}
-
-static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
-{
- struct iwl_tlv_calib_data *def_calib =
- (struct iwl_tlv_calib_data *)data;
- u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
- if (ucode_type >= IWL_UCODE_TYPE_MAX) {
- IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
- ucode_type);
- return -EINVAL;
- }
- drv->fw.default_calib[ucode_type].flow_trigger =
- def_calib->calib.flow_trigger;
- drv->fw.default_calib[ucode_type].event_trigger =
- def_calib->calib.event_trigger;
-
- return 0;
-}
-
-static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
- struct iwl_ucode_capabilities *capa)
-{
- const struct iwl_ucode_api *ucode_api = (void *)data;
- u32 api_index = le32_to_cpu(ucode_api->api_index);
- u32 api_flags = le32_to_cpu(ucode_api->api_flags);
- int i;
-
- if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
- IWL_ERR(drv, "api_index larger than supported by driver\n");
- /* don't return an error so we can load FW that has more bits */
- return 0;
- }
-
- for (i = 0; i < 32; i++) {
- if (api_flags & BIT(i))
- __set_bit(i + 32 * api_index, capa->_api);
- }
-
- return 0;
-}
-
-static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
- struct iwl_ucode_capabilities *capa)
-{
- const struct iwl_ucode_capa *ucode_capa = (void *)data;
- u32 api_index = le32_to_cpu(ucode_capa->api_index);
- u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
- int i;
-
- if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
- IWL_ERR(drv, "api_index larger than supported by driver\n");
- /* don't return an error so we can load FW that has more bits */
- return 0;
- }
-
- for (i = 0; i < 32; i++) {
- if (api_flags & BIT(i))
- __set_bit(i + 32 * api_index, capa->_capa);
- }
-
- return 0;
-}
-
-static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
- const struct firmware *ucode_raw,
- struct iwl_firmware_pieces *pieces)
-{
- struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
- u32 api_ver, hdr_size, build;
- char buildstr[25];
- const u8 *src;
-
- drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
- api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
-
- switch (api_ver) {
- default:
- hdr_size = 28;
- if (ucode_raw->size < hdr_size) {
- IWL_ERR(drv, "File size too small!\n");
- return -EINVAL;
- }
- build = le32_to_cpu(ucode->u.v2.build);
- set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
- le32_to_cpu(ucode->u.v2.inst_size));
- set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
- le32_to_cpu(ucode->u.v2.data_size));
- set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
- le32_to_cpu(ucode->u.v2.init_size));
- set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
- le32_to_cpu(ucode->u.v2.init_data_size));
- src = ucode->u.v2.data;
- break;
- case 0:
- case 1:
- case 2:
- hdr_size = 24;
- if (ucode_raw->size < hdr_size) {
- IWL_ERR(drv, "File size too small!\n");
- return -EINVAL;
- }
- build = 0;
- set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
- le32_to_cpu(ucode->u.v1.inst_size));
- set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
- le32_to_cpu(ucode->u.v1.data_size));
- set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
- le32_to_cpu(ucode->u.v1.init_size));
- set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
- le32_to_cpu(ucode->u.v1.init_data_size));
- src = ucode->u.v1.data;
- break;
- }
-
- if (build)
- sprintf(buildstr, " build %u%s", build,
- (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
- ? " (EXP)" : "");
- else
- buildstr[0] = '\0';
-
- snprintf(drv->fw.fw_version,
- sizeof(drv->fw.fw_version),
- "%u.%u.%u.%u%s",
- IWL_UCODE_MAJOR(drv->fw.ucode_ver),
- IWL_UCODE_MINOR(drv->fw.ucode_ver),
- IWL_UCODE_API(drv->fw.ucode_ver),
- IWL_UCODE_SERIAL(drv->fw.ucode_ver),
- buildstr);
-
- /* Verify size of file vs. image size info in file's header */
-
- if (ucode_raw->size != hdr_size +
- get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
- get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
- get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
- get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
-
- IWL_ERR(drv,
- "uCode file size %d does not match expected size\n",
- (int)ucode_raw->size);
- return -EINVAL;
- }
-
-
- set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
- src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
- set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
- IWLAGN_RTC_INST_LOWER_BOUND);
- set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
- src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
- set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
- IWLAGN_RTC_DATA_LOWER_BOUND);
- set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
- src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
- set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
- IWLAGN_RTC_INST_LOWER_BOUND);
- set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
- src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
- set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
- IWLAGN_RTC_DATA_LOWER_BOUND);
- return 0;
-}
-
-static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
- const struct firmware *ucode_raw,
- struct iwl_firmware_pieces *pieces,
- struct iwl_ucode_capabilities *capa)
-{
- struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
- struct iwl_ucode_tlv *tlv;
- size_t len = ucode_raw->size;
- const u8 *data;
- u32 tlv_len;
- u32 usniffer_img;
- enum iwl_ucode_tlv_type tlv_type;
- const u8 *tlv_data;
- char buildstr[25];
- u32 build, paging_mem_size;
- int num_of_cpus;
- bool usniffer_images = false;
- bool usniffer_req = false;
- bool gscan_capa = false;
-
- if (len < sizeof(*ucode)) {
- IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
- return -EINVAL;
- }
-
- if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
- IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
- le32_to_cpu(ucode->magic));
- return -EINVAL;
- }
-
- drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
- memcpy(drv->fw.human_readable, ucode->human_readable,
- sizeof(drv->fw.human_readable));
- build = le32_to_cpu(ucode->build);
-
- if (build)
- sprintf(buildstr, " build %u%s", build,
- (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
- ? " (EXP)" : "");
- else
- buildstr[0] = '\0';
-
- snprintf(drv->fw.fw_version,
- sizeof(drv->fw.fw_version),
- "%u.%u.%u.%u%s",
- IWL_UCODE_MAJOR(drv->fw.ucode_ver),
- IWL_UCODE_MINOR(drv->fw.ucode_ver),
- IWL_UCODE_API(drv->fw.ucode_ver),
- IWL_UCODE_SERIAL(drv->fw.ucode_ver),
- buildstr);
-
- data = ucode->data;
-
- len -= sizeof(*ucode);
-
- while (len >= sizeof(*tlv)) {
- len -= sizeof(*tlv);
- tlv = (void *)data;
-
- tlv_len = le32_to_cpu(tlv->length);
- tlv_type = le32_to_cpu(tlv->type);
- tlv_data = tlv->data;
-
- if (len < tlv_len) {
- IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
- len, tlv_len);
- return -EINVAL;
- }
- len -= ALIGN(tlv_len, 4);
- data += sizeof(*tlv) + ALIGN(tlv_len, 4);
-
- switch (tlv_type) {
- case IWL_UCODE_TLV_INST:
- set_sec_data(pieces, IWL_UCODE_REGULAR,
- IWL_UCODE_SECTION_INST, tlv_data);
- set_sec_size(pieces, IWL_UCODE_REGULAR,
- IWL_UCODE_SECTION_INST, tlv_len);
- set_sec_offset(pieces, IWL_UCODE_REGULAR,
- IWL_UCODE_SECTION_INST,
- IWLAGN_RTC_INST_LOWER_BOUND);
- break;
- case IWL_UCODE_TLV_DATA:
- set_sec_data(pieces, IWL_UCODE_REGULAR,
- IWL_UCODE_SECTION_DATA, tlv_data);
- set_sec_size(pieces, IWL_UCODE_REGULAR,
- IWL_UCODE_SECTION_DATA, tlv_len);
- set_sec_offset(pieces, IWL_UCODE_REGULAR,
- IWL_UCODE_SECTION_DATA,
- IWLAGN_RTC_DATA_LOWER_BOUND);
- break;
- case IWL_UCODE_TLV_INIT:
- set_sec_data(pieces, IWL_UCODE_INIT,
- IWL_UCODE_SECTION_INST, tlv_data);
- set_sec_size(pieces, IWL_UCODE_INIT,
- IWL_UCODE_SECTION_INST, tlv_len);
- set_sec_offset(pieces, IWL_UCODE_INIT,
- IWL_UCODE_SECTION_INST,
- IWLAGN_RTC_INST_LOWER_BOUND);
- break;
- case IWL_UCODE_TLV_INIT_DATA:
- set_sec_data(pieces, IWL_UCODE_INIT,
- IWL_UCODE_SECTION_DATA, tlv_data);
- set_sec_size(pieces, IWL_UCODE_INIT,
- IWL_UCODE_SECTION_DATA, tlv_len);
- set_sec_offset(pieces, IWL_UCODE_INIT,
- IWL_UCODE_SECTION_DATA,
- IWLAGN_RTC_DATA_LOWER_BOUND);
- break;
- case IWL_UCODE_TLV_BOOT:
- IWL_ERR(drv, "Found unexpected BOOT ucode\n");
- break;
- case IWL_UCODE_TLV_PROBE_MAX_LEN:
- if (tlv_len != sizeof(u32))
- goto invalid_tlv_len;
- capa->max_probe_length =
- le32_to_cpup((__le32 *)tlv_data);
- break;
- case IWL_UCODE_TLV_PAN:
- if (tlv_len)
- goto invalid_tlv_len;
- capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
- break;
- case IWL_UCODE_TLV_FLAGS:
- /* must be at least one u32 */
- if (tlv_len < sizeof(u32))
- goto invalid_tlv_len;
- /* and a proper number of u32s */
- if (tlv_len % sizeof(u32))
- goto invalid_tlv_len;
- /*
- * This driver only reads the first u32 as
- * right now no more features are defined,
- * if that changes then either the driver
- * will not work with the new firmware, or
- * it'll not take advantage of new features.
- */
- capa->flags = le32_to_cpup((__le32 *)tlv_data);
- break;
- case IWL_UCODE_TLV_API_CHANGES_SET:
- if (tlv_len != sizeof(struct iwl_ucode_api))
- goto invalid_tlv_len;
- if (iwl_set_ucode_api_flags(drv, tlv_data, capa))
- goto tlv_error;
- break;
- case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
- if (tlv_len != sizeof(struct iwl_ucode_capa))
- goto invalid_tlv_len;
- if (iwl_set_ucode_capabilities(drv, tlv_data, capa))
- goto tlv_error;
- break;
- case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
- if (tlv_len != sizeof(u32))
- goto invalid_tlv_len;
- pieces->init_evtlog_ptr =
- le32_to_cpup((__le32 *)tlv_data);
- break;
- case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
- if (tlv_len != sizeof(u32))
- goto invalid_tlv_len;
- pieces->init_evtlog_size =
- le32_to_cpup((__le32 *)tlv_data);
- break;
- case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
- if (tlv_len != sizeof(u32))
- goto invalid_tlv_len;
- pieces->init_errlog_ptr =
- le32_to_cpup((__le32 *)tlv_data);
- break;
- case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
- if (tlv_len != sizeof(u32))
- goto invalid_tlv_len;
- pieces->inst_evtlog_ptr =
- le32_to_cpup((__le32 *)tlv_data);
- break;
- case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
- if (tlv_len != sizeof(u32))
- goto invalid_tlv_len;
- pieces->inst_evtlog_size =
- le32_to_cpup((__le32 *)tlv_data);
- break;
- case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
- if (tlv_len != sizeof(u32))
- goto invalid_tlv_len;
- pieces->inst_errlog_ptr =
- le32_to_cpup((__le32 *)tlv_data);
- break;
- case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
- if (tlv_len)
- goto invalid_tlv_len;
- drv->fw.enhance_sensitivity_table = true;
- break;
- case IWL_UCODE_TLV_WOWLAN_INST:
- set_sec_data(pieces, IWL_UCODE_WOWLAN,
- IWL_UCODE_SECTION_INST, tlv_data);
- set_sec_size(pieces, IWL_UCODE_WOWLAN,
- IWL_UCODE_SECTION_INST, tlv_len);
- set_sec_offset(pieces, IWL_UCODE_WOWLAN,
- IWL_UCODE_SECTION_INST,
- IWLAGN_RTC_INST_LOWER_BOUND);
- break;
- case IWL_UCODE_TLV_WOWLAN_DATA:
- set_sec_data(pieces, IWL_UCODE_WOWLAN,
- IWL_UCODE_SECTION_DATA, tlv_data);
- set_sec_size(pieces, IWL_UCODE_WOWLAN,
- IWL_UCODE_SECTION_DATA, tlv_len);
- set_sec_offset(pieces, IWL_UCODE_WOWLAN,
- IWL_UCODE_SECTION_DATA,
- IWLAGN_RTC_DATA_LOWER_BOUND);
- break;
- case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
- if (tlv_len != sizeof(u32))
- goto invalid_tlv_len;
- capa->standard_phy_calibration_size =
- le32_to_cpup((__le32 *)tlv_data);
- break;
- case IWL_UCODE_TLV_SEC_RT:
- iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
- tlv_len);
- drv->fw.mvm_fw = true;
- break;
- case IWL_UCODE_TLV_SEC_INIT:
- iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
- tlv_len);
- drv->fw.mvm_fw = true;
- break;
- case IWL_UCODE_TLV_SEC_WOWLAN:
- iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
- tlv_len);
- drv->fw.mvm_fw = true;
- break;
- case IWL_UCODE_TLV_DEF_CALIB:
- if (tlv_len != sizeof(struct iwl_tlv_calib_data))
- goto invalid_tlv_len;
- if (iwl_set_default_calib(drv, tlv_data))
- goto tlv_error;
- break;
- case IWL_UCODE_TLV_PHY_SKU:
- if (tlv_len != sizeof(u32))
- goto invalid_tlv_len;
- drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
- drv->fw.valid_tx_ant = (drv->fw.phy_config &
- FW_PHY_CFG_TX_CHAIN) >>
- FW_PHY_CFG_TX_CHAIN_POS;
- drv->fw.valid_rx_ant = (drv->fw.phy_config &
- FW_PHY_CFG_RX_CHAIN) >>
- FW_PHY_CFG_RX_CHAIN_POS;
- break;
- case IWL_UCODE_TLV_SECURE_SEC_RT:
- iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
- tlv_len);
- drv->fw.mvm_fw = true;
- break;
- case IWL_UCODE_TLV_SECURE_SEC_INIT:
- iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
- tlv_len);
- drv->fw.mvm_fw = true;
- break;
- case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
- iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
- tlv_len);
- drv->fw.mvm_fw = true;
- break;
- case IWL_UCODE_TLV_NUM_OF_CPU:
- if (tlv_len != sizeof(u32))
- goto invalid_tlv_len;
- num_of_cpus =
- le32_to_cpup((__le32 *)tlv_data);
-
- if (num_of_cpus == 2) {
- drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
- true;
- drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
- true;
- drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
- true;
- } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
- IWL_ERR(drv, "Driver support upto 2 CPUs\n");
- return -EINVAL;
- }
- break;
- case IWL_UCODE_TLV_CSCHEME:
- if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
- goto invalid_tlv_len;
- break;
- case IWL_UCODE_TLV_N_SCAN_CHANNELS:
- if (tlv_len != sizeof(u32))
- goto invalid_tlv_len;
- capa->n_scan_channels =
- le32_to_cpup((__le32 *)tlv_data);
- break;
- case IWL_UCODE_TLV_FW_VERSION: {
- __le32 *ptr = (void *)tlv_data;
- u32 major, minor;
- u8 local_comp;
-
- if (tlv_len != sizeof(u32) * 3)
- goto invalid_tlv_len;
-
- major = le32_to_cpup(ptr++);
- minor = le32_to_cpup(ptr++);
- local_comp = le32_to_cpup(ptr);
-
- snprintf(drv->fw.fw_version,
- sizeof(drv->fw.fw_version), "%u.%u.%u",
- major, minor, local_comp);
- break;
- }
- case IWL_UCODE_TLV_FW_DBG_DEST: {
- struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data;
-
- if (pieces->dbg_dest_tlv) {
- IWL_ERR(drv,
- "dbg destination ignored, already exists\n");
- break;
- }
-
- pieces->dbg_dest_tlv = dest;
- IWL_INFO(drv, "Found debug destination: %s\n",
- get_fw_dbg_mode_string(dest->monitor_mode));
-
- drv->fw.dbg_dest_reg_num =
- tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv,
- reg_ops);
- drv->fw.dbg_dest_reg_num /=
- sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]);
-
- break;
- }
- case IWL_UCODE_TLV_FW_DBG_CONF: {
- struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data;
-
- if (!pieces->dbg_dest_tlv) {
- IWL_ERR(drv,
- "Ignore dbg config %d - no destination configured\n",
- conf->id);
- break;
- }
-
- if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) {
- IWL_ERR(drv,
- "Skip unknown configuration: %d\n",
- conf->id);
- break;
- }
-
- if (pieces->dbg_conf_tlv[conf->id]) {
- IWL_ERR(drv,
- "Ignore duplicate dbg config %d\n",
- conf->id);
- break;
- }
-
- if (conf->usniffer)
- usniffer_req = true;
-
- IWL_INFO(drv, "Found debug configuration: %d\n",
- conf->id);
-
- pieces->dbg_conf_tlv[conf->id] = conf;
- pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
- break;
- }
- case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
- struct iwl_fw_dbg_trigger_tlv *trigger =
- (void *)tlv_data;
- u32 trigger_id = le32_to_cpu(trigger->id);
-
- if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) {
- IWL_ERR(drv,
- "Skip unknown trigger: %u\n",
- trigger->id);
- break;
- }
-
- if (pieces->dbg_trigger_tlv[trigger_id]) {
- IWL_ERR(drv,
- "Ignore duplicate dbg trigger %u\n",
- trigger->id);
- break;
- }
-
- IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
-
- pieces->dbg_trigger_tlv[trigger_id] = trigger;
- pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
- break;
- }
- case IWL_UCODE_TLV_SEC_RT_USNIFFER:
- usniffer_images = true;
- iwl_store_ucode_sec(pieces, tlv_data,
- IWL_UCODE_REGULAR_USNIFFER,
- tlv_len);
- break;
- case IWL_UCODE_TLV_PAGING:
- if (tlv_len != sizeof(u32))
- goto invalid_tlv_len;
- paging_mem_size = le32_to_cpup((__le32 *)tlv_data);
-
- IWL_DEBUG_FW(drv,
- "Paging: paging enabled (size = %u bytes)\n",
- paging_mem_size);
-
- if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
- IWL_ERR(drv,
- "Paging: driver supports up to %lu bytes for paging image\n",
- MAX_PAGING_IMAGE_SIZE);
- return -EINVAL;
- }
-
- if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
- IWL_ERR(drv,
- "Paging: image isn't multiple %lu\n",
- FW_PAGING_SIZE);
- return -EINVAL;
- }
-
- drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
- paging_mem_size;
- usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
- drv->fw.img[usniffer_img].paging_mem_size =
- paging_mem_size;
- break;
- case IWL_UCODE_TLV_SDIO_ADMA_ADDR:
- if (tlv_len != sizeof(u32))
- goto invalid_tlv_len;
- drv->fw.sdio_adma_addr =
- le32_to_cpup((__le32 *)tlv_data);
- break;
- case IWL_UCODE_TLV_FW_GSCAN_CAPA:
- if (iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len))
- goto invalid_tlv_len;
- gscan_capa = true;
- break;
- default:
- IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
- break;
- }
- }
-
- if (usniffer_req && !usniffer_images) {
- IWL_ERR(drv,
- "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
- return -EINVAL;
- }
-
- if (len) {
- IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
- iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
- return -EINVAL;
- }
-
- /*
- * If ucode advertises that it supports GSCAN but GSCAN
- * capabilities TLV is not present, warn and continue without GSCAN.
- */
- if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) &&
- WARN(!gscan_capa,
- "GSCAN is supported but capabilities TLV is unavailable\n"))
- __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT,
- capa->_capa);
-
- return 0;
-
- invalid_tlv_len:
- IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
- tlv_error:
- iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
-
- return -EINVAL;
-}
-
-static int iwl_alloc_ucode(struct iwl_drv *drv,
- struct iwl_firmware_pieces *pieces,
- enum iwl_ucode_type type)
-{
- int i;
- for (i = 0;
- i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i);
- i++)
- if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]),
- get_sec(pieces, type, i)))
- return -ENOMEM;
- return 0;
-}
-
-static int validate_sec_sizes(struct iwl_drv *drv,
- struct iwl_firmware_pieces *pieces,
- const struct iwl_cfg *cfg)
-{
- IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
- get_sec_size(pieces, IWL_UCODE_REGULAR,
- IWL_UCODE_SECTION_INST));
- IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
- get_sec_size(pieces, IWL_UCODE_REGULAR,
- IWL_UCODE_SECTION_DATA));
- IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
- get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
- IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
- get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
-
- /* Verify that uCode images will fit in card's SRAM. */
- if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
- cfg->max_inst_size) {
- IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
- get_sec_size(pieces, IWL_UCODE_REGULAR,
- IWL_UCODE_SECTION_INST));
- return -1;
- }
-
- if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
- cfg->max_data_size) {
- IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
- get_sec_size(pieces, IWL_UCODE_REGULAR,
- IWL_UCODE_SECTION_DATA));
- return -1;
- }
-
- if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
- cfg->max_inst_size) {
- IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
- get_sec_size(pieces, IWL_UCODE_INIT,
- IWL_UCODE_SECTION_INST));
- return -1;
- }
-
- if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
- cfg->max_data_size) {
- IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
- get_sec_size(pieces, IWL_UCODE_REGULAR,
- IWL_UCODE_SECTION_DATA));
- return -1;
- }
- return 0;
-}
-
-static struct iwl_op_mode *
-_iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
-{
- const struct iwl_op_mode_ops *ops = op->ops;
- struct dentry *dbgfs_dir = NULL;
- struct iwl_op_mode *op_mode = NULL;
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- drv->dbgfs_op_mode = debugfs_create_dir(op->name,
- drv->dbgfs_drv);
- if (!drv->dbgfs_op_mode) {
- IWL_ERR(drv,
- "failed to create opmode debugfs directory\n");
- return op_mode;
- }
- dbgfs_dir = drv->dbgfs_op_mode;
-#endif
-
- op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir);
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- if (!op_mode) {
- debugfs_remove_recursive(drv->dbgfs_op_mode);
- drv->dbgfs_op_mode = NULL;
- }
-#endif
-
- return op_mode;
-}
-
-static void _iwl_op_mode_stop(struct iwl_drv *drv)
-{
- /* op_mode can be NULL if its start failed */
- if (drv->op_mode) {
- iwl_op_mode_stop(drv->op_mode);
- drv->op_mode = NULL;
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- debugfs_remove_recursive(drv->dbgfs_op_mode);
- drv->dbgfs_op_mode = NULL;
-#endif
- }
-}
-
-/**
- * iwl_req_fw_callback - callback when firmware was loaded
- *
- * If loaded successfully, copies the firmware into buffers
- * for the card to fetch (via DMA).
- */
-static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
-{
- struct iwl_drv *drv = context;
- struct iwl_fw *fw = &drv->fw;
- struct iwl_ucode_header *ucode;
- struct iwlwifi_opmode_table *op;
- int err;
- struct iwl_firmware_pieces *pieces;
- const unsigned int api_max = drv->cfg->ucode_api_max;
- unsigned int api_ok = drv->cfg->ucode_api_ok;
- const unsigned int api_min = drv->cfg->ucode_api_min;
- size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
- u32 api_ver;
- int i;
- bool load_module = false;
-
- fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
- fw->ucode_capa.standard_phy_calibration_size =
- IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
- fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
-
- if (!api_ok)
- api_ok = api_max;
-
- pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
- if (!pieces)
- return;
-
- if (!ucode_raw) {
- if (drv->fw_index <= api_ok)
- IWL_ERR(drv,
- "request for firmware file '%s' failed.\n",
- drv->firmware_name);
- goto try_again;
- }
-
- IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
- drv->firmware_name, ucode_raw->size);
-
- /* Make sure that we got at least the API version number */
- if (ucode_raw->size < 4) {
- IWL_ERR(drv, "File size way too small!\n");
- goto try_again;
- }
-
- /* Data from ucode file: header followed by uCode images */
- ucode = (struct iwl_ucode_header *)ucode_raw->data;
-
- if (ucode->ver)
- err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
- else
- err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
- &fw->ucode_capa);
-
- if (err)
- goto try_again;
-
- if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
- api_ver = drv->fw.ucode_ver;
- else
- api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
-
- /*
- * api_ver should match the api version forming part of the
- * firmware filename ... but we don't check for that and only rely
- * on the API version read from firmware header from here on forward
- */
- /* no api version check required for experimental uCode */
- if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
- if (api_ver < api_min || api_ver > api_max) {
- IWL_ERR(drv,
- "Driver unable to support your firmware API. "
- "Driver supports v%u, firmware is v%u.\n",
- api_max, api_ver);
- goto try_again;
- }
-
- if (api_ver < api_ok) {
- if (api_ok != api_max)
- IWL_ERR(drv, "Firmware has old API version, "
- "expected v%u through v%u, got v%u.\n",
- api_ok, api_max, api_ver);
- else
- IWL_ERR(drv, "Firmware has old API version, "
- "expected v%u, got v%u.\n",
- api_max, api_ver);
- IWL_ERR(drv, "New firmware can be obtained from "
- "http://www.intellinuxwireless.org/.\n");
- }
- }
-
- /*
- * In mvm uCode there is no difference between data and instructions
- * sections.
- */
- if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg))
- goto try_again;
-
- /* Allocate ucode buffers for card's bus-master loading ... */
-
- /* Runtime instructions and 2 copies of data:
- * 1) unmodified from disk
- * 2) backup cache for save/restore during power-downs */
- for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
- if (iwl_alloc_ucode(drv, pieces, i))
- goto out_free_fw;
-
- if (pieces->dbg_dest_tlv) {
- drv->fw.dbg_dest_tlv =
- kmemdup(pieces->dbg_dest_tlv,
- sizeof(*pieces->dbg_dest_tlv) +
- sizeof(pieces->dbg_dest_tlv->reg_ops[0]) *
- drv->fw.dbg_dest_reg_num, GFP_KERNEL);
-
- if (!drv->fw.dbg_dest_tlv)
- goto out_free_fw;
- }
-
- for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) {
- if (pieces->dbg_conf_tlv[i]) {
- drv->fw.dbg_conf_tlv_len[i] =
- pieces->dbg_conf_tlv_len[i];
- drv->fw.dbg_conf_tlv[i] =
- kmemdup(pieces->dbg_conf_tlv[i],
- drv->fw.dbg_conf_tlv_len[i],
- GFP_KERNEL);
- if (!drv->fw.dbg_conf_tlv[i])
- goto out_free_fw;
- }
- }
-
- memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
-
- trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
- sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
- trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
- trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
- sizeof(struct iwl_fw_dbg_trigger_cmd);
- trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
- sizeof(struct iwl_fw_dbg_trigger_mlme);
- trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
- sizeof(struct iwl_fw_dbg_trigger_stats);
- trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
- sizeof(struct iwl_fw_dbg_trigger_low_rssi);
- trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
- sizeof(struct iwl_fw_dbg_trigger_txq_timer);
- trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
- sizeof(struct iwl_fw_dbg_trigger_time_event);
- trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
- sizeof(struct iwl_fw_dbg_trigger_ba);
-
- for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) {
- if (pieces->dbg_trigger_tlv[i]) {
- /*
- * If the trigger isn't long enough, WARN and exit.
- * Someone is trying to debug something and he won't
- * be able to catch the bug he is trying to chase.
- * We'd better be noisy to be sure he knows what's
- * going on.
- */
- if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
- (trigger_tlv_sz[i] +
- sizeof(struct iwl_fw_dbg_trigger_tlv))))
- goto out_free_fw;
- drv->fw.dbg_trigger_tlv_len[i] =
- pieces->dbg_trigger_tlv_len[i];
- drv->fw.dbg_trigger_tlv[i] =
- kmemdup(pieces->dbg_trigger_tlv[i],
- drv->fw.dbg_trigger_tlv_len[i],
- GFP_KERNEL);
- if (!drv->fw.dbg_trigger_tlv[i])
- goto out_free_fw;
- }
- }
-
- /* Now that we can no longer fail, copy information */
-
- /*
- * The (size - 16) / 12 formula is based on the information recorded
- * for each event, which is of mode 1 (including timestamp) for all
- * new microcodes that include this information.
- */
- fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
- if (pieces->init_evtlog_size)
- fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
- else
- fw->init_evtlog_size =
- drv->cfg->base_params->max_event_log_size;
- fw->init_errlog_ptr = pieces->init_errlog_ptr;
- fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
- if (pieces->inst_evtlog_size)
- fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
- else
- fw->inst_evtlog_size =
- drv->cfg->base_params->max_event_log_size;
- fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
-
- /*
- * figure out the offset of chain noise reset and gain commands
- * base on the size of standard phy calibration commands table size
- */
- if (fw->ucode_capa.standard_phy_calibration_size >
- IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
- fw->ucode_capa.standard_phy_calibration_size =
- IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
-
- /* We have our copies now, allow OS release its copies */
- release_firmware(ucode_raw);
-
- mutex_lock(&iwlwifi_opmode_table_mtx);
- if (fw->mvm_fw)
- op = &iwlwifi_opmode_table[MVM_OP_MODE];
- else
- op = &iwlwifi_opmode_table[DVM_OP_MODE];
-
- IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
- drv->fw.fw_version, op->name);
-
- /* add this device to the list of devices using this op_mode */
- list_add_tail(&drv->list, &op->drv);
-
- if (op->ops) {
- drv->op_mode = _iwl_op_mode_start(drv, op);
-
- if (!drv->op_mode) {
- mutex_unlock(&iwlwifi_opmode_table_mtx);
- goto out_unbind;
- }
- } else {
- load_module = true;
- }
- mutex_unlock(&iwlwifi_opmode_table_mtx);
-
- /*
- * Complete the firmware request last so that
- * a driver unbind (stop) doesn't run while we
- * are doing the start() above.
- */
- complete(&drv->request_firmware_complete);
-
- /*
- * Load the module last so we don't block anything
- * else from proceeding if the module fails to load
- * or hangs loading.
- */
- if (load_module) {
- err = request_module("%s", op->name);
-#ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
- if (err)
- IWL_ERR(drv,
- "failed to load module %s (error %d), is dynamic loading enabled?\n",
- op->name, err);
-#endif
- }
- kfree(pieces);
- return;
-
- try_again:
- /* try next, if any */
- release_firmware(ucode_raw);
- if (iwl_request_firmware(drv, false))
- goto out_unbind;
- kfree(pieces);
- return;
-
- out_free_fw:
- IWL_ERR(drv, "failed to allocate pci memory\n");
- iwl_dealloc_ucode(drv);
- release_firmware(ucode_raw);
- out_unbind:
- kfree(pieces);
- complete(&drv->request_firmware_complete);
- device_release_driver(drv->trans->dev);
-}
-
-struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
- const struct iwl_cfg *cfg)
-{
- struct iwl_drv *drv;
- int ret;
-
- drv = kzalloc(sizeof(*drv), GFP_KERNEL);
- if (!drv) {
- ret = -ENOMEM;
- goto err;
- }
-
- drv->trans = trans;
- drv->dev = trans->dev;
- drv->cfg = cfg;
-
- init_completion(&drv->request_firmware_complete);
- INIT_LIST_HEAD(&drv->list);
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- /* Create the device debugfs entries. */
- drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
- iwl_dbgfs_root);
-
- if (!drv->dbgfs_drv) {
- IWL_ERR(drv, "failed to create debugfs directory\n");
- ret = -ENOMEM;
- goto err_free_drv;
- }
-
- /* Create transport layer debugfs dir */
- drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
-
- if (!drv->trans->dbgfs_dir) {
- IWL_ERR(drv, "failed to create transport debugfs directory\n");
- ret = -ENOMEM;
- goto err_free_dbgfs;
- }
-#endif
-
- ret = iwl_request_firmware(drv, true);
- if (ret) {
- IWL_ERR(trans, "Couldn't request the fw\n");
- goto err_fw;
- }
-
- return drv;
-
-err_fw:
-#ifdef CONFIG_IWLWIFI_DEBUGFS
-err_free_dbgfs:
- debugfs_remove_recursive(drv->dbgfs_drv);
-err_free_drv:
-#endif
- kfree(drv);
-err:
- return ERR_PTR(ret);
-}
-
-void iwl_drv_stop(struct iwl_drv *drv)
-{
- wait_for_completion(&drv->request_firmware_complete);
-
- _iwl_op_mode_stop(drv);
-
- iwl_dealloc_ucode(drv);
-
- mutex_lock(&iwlwifi_opmode_table_mtx);
- /*
- * List is empty (this item wasn't added)
- * when firmware loading failed -- in that
- * case we can't remove it from any list.
- */
- if (!list_empty(&drv->list))
- list_del(&drv->list);
- mutex_unlock(&iwlwifi_opmode_table_mtx);
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- debugfs_remove_recursive(drv->dbgfs_drv);
-#endif
-
- kfree(drv);
-}
-
-
-/* shared module parameters */
-struct iwl_mod_params iwlwifi_mod_params = {
- .restart_fw = true,
- .bt_coex_active = true,
- .power_level = IWL_POWER_INDEX_1,
- .d0i3_disable = true,
-#ifndef CONFIG_IWLWIFI_UAPSD
- .uapsd_disable = true,
-#endif /* CONFIG_IWLWIFI_UAPSD */
- /* the rest are 0 by default */
-};
-IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
-
-int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
-{
- int i;
- struct iwl_drv *drv;
- struct iwlwifi_opmode_table *op;
-
- mutex_lock(&iwlwifi_opmode_table_mtx);
- for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
- op = &iwlwifi_opmode_table[i];
- if (strcmp(op->name, name))
- continue;
- op->ops = ops;
- /* TODO: need to handle exceptional case */
- list_for_each_entry(drv, &op->drv, list)
- drv->op_mode = _iwl_op_mode_start(drv, op);
-
- mutex_unlock(&iwlwifi_opmode_table_mtx);
- return 0;
- }
- mutex_unlock(&iwlwifi_opmode_table_mtx);
- return -EIO;
-}
-IWL_EXPORT_SYMBOL(iwl_opmode_register);
-
-void iwl_opmode_deregister(const char *name)
-{
- int i;
- struct iwl_drv *drv;
-
- mutex_lock(&iwlwifi_opmode_table_mtx);
- for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
- if (strcmp(iwlwifi_opmode_table[i].name, name))
- continue;
- iwlwifi_opmode_table[i].ops = NULL;
-
- /* call the stop routine for all devices */
- list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
- _iwl_op_mode_stop(drv);
-
- mutex_unlock(&iwlwifi_opmode_table_mtx);
- return;
- }
- mutex_unlock(&iwlwifi_opmode_table_mtx);
-}
-IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
-
-static int __init iwl_drv_init(void)
-{
- int i;
-
- mutex_init(&iwlwifi_opmode_table_mtx);
-
- for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
- INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
-
- pr_info(DRV_DESCRIPTION "\n");
- pr_info(DRV_COPYRIGHT "\n");
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- /* Create the root of iwlwifi debugfs subsystem. */
- iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
-
- if (!iwl_dbgfs_root)
- return -EFAULT;
-#endif
-
- return iwl_pci_register_driver();
-}
-module_init(iwl_drv_init);
-
-static void __exit iwl_drv_exit(void)
-{
- iwl_pci_unregister_driver();
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- debugfs_remove_recursive(iwl_dbgfs_root);
-#endif
-}
-module_exit(iwl_drv_exit);
-
-#ifdef CONFIG_IWLWIFI_DEBUG
-module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
- S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "debug output mask");
-#endif
-
-module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
-MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
-module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
-MODULE_PARM_DESC(11n_disable,
- "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
-module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K,
- int, S_IRUGO);
-MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)");
-module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO);
-MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
-
-module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
- int, S_IRUGO);
-MODULE_PARM_DESC(antenna_coupling,
- "specify antenna coupling in dB (default: 0 dB)");
-
-module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
-MODULE_PARM_DESC(nvm_file, "NVM file name");
-
-module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable,
- bool, S_IRUGO);
-MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)");
-
-module_param_named(lar_disable, iwlwifi_mod_params.lar_disable,
- bool, S_IRUGO);
-MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)");
-
-module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable,
- bool, S_IRUGO | S_IWUSR);
-#ifdef CONFIG_IWLWIFI_UAPSD
-MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: N)");
-#else
-MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: Y)");
-#endif
-
-/*
- * set bt_coex_active to true, uCode will do kill/defer
- * every time the priority line is asserted (BT is sending signals on the
- * priority line in the PCIx).
- * set bt_coex_active to false, uCode will ignore the BT activity and
- * perform the normal operation
- *
- * User might experience transmit issue on some platform due to WiFi/BT
- * co-exist problem. The possible behaviors are:
- * Able to scan and finding all the available AP
- * Not able to associate with any AP
- * On those platforms, WiFi communication can be restored by set
- * "bt_coex_active" module parameter to "false"
- *
- * default: bt_coex_active = true (BT_COEX_ENABLE)
- */
-module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
- bool, S_IRUGO);
-MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
-
-module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
-MODULE_PARM_DESC(led_mode, "0=system default, "
- "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
-
-module_param_named(power_save, iwlwifi_mod_params.power_save,
- bool, S_IRUGO);
-MODULE_PARM_DESC(power_save,
- "enable WiFi power management (default: disable)");
-
-module_param_named(power_level, iwlwifi_mod_params.power_level,
- int, S_IRUGO);
-MODULE_PARM_DESC(power_level,
- "default power save level (range from 1 - 5, default: 1)");
-
-module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO);
-MODULE_PARM_DESC(fw_monitor,
- "firmware monitor - to debug FW (default: false - needs lots of memory)");
projects / cascardo / linux.git / blobdiff