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fuchsia / drivers / wlan / intel / iwlwifi / e4cbb1cc361cb4c444eb265e434f109c5996dc44 / . / third_party / iwlwifi / iwl-drv.c
blob: 2dcdbc1b6a8c47526a43143f54b03d57ddf69a0f [file] [log] [blame]
/******************************************************************************
*
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright (C) 2018 Intel Corporation
* 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 "third_party/iwlwifi/iwl-drv.h"
#include <lib/ddk/debug.h>
#include <lib/ddk/driver.h>
#include <lib/sync/completion.h>
#include <stdio.h>
#include <threads.h>
#include <zircon/listnode.h>
#include <zircon/status.h>
#include "third_party/iwlwifi/fw/img.h"
#include "third_party/iwlwifi/iwl-agn-hw.h"
#include "third_party/iwlwifi/iwl-config.h"
#include "third_party/iwlwifi/iwl-csr.h"
#include "third_party/iwlwifi/iwl-dbg-tlv.h"
#include "third_party/iwlwifi/iwl-debug.h"
#include "third_party/iwlwifi/iwl-modparams.h"
#include "third_party/iwlwifi/iwl-op-mode.h"
#include "third_party/iwlwifi/iwl-trans.h"
#include "third_party/iwlwifi/platform/align.h"
#include "third_party/iwlwifi/platform/device.h"
#include "third_party/iwlwifi/platform/module.h"
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
#include "third_party/iwlwifi/iwl-dbg-cfg.h"
#endif
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
#include "third_party/iwlwifi/iwl-tm-gnl.h"
#endif
#define FIRMWARE_DIR "iwlwifi"
#define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Fuchsia"
#ifdef CPTCFG_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
* @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 {
list_node_t list;
struct iwl_fw fw;
struct iwl_op_mode* op_mode;
struct iwl_trans* trans;
struct device* dev;
#if IS_ENABLED(CPTCFG_IWLXVT)
bool xvt_mode_on;
#endif
int fw_index; /* firmware we're trying to load */
char firmware_name[64]; /* name of firmware file to load */
sync_completion_t request_firmware_complete;
#ifdef CPTCFG_IWLWIFI_DEBUGFS
struct dentry* dbgfs_drv;
struct dentry* dbgfs_trans;
struct dentry* dbgfs_op_mode;
#endif
};
enum {
DVM_OP_MODE,
MVM_OP_MODE,
#if IS_ENABLED(CPTCFG_IWLXVT)
XVT_OP_MODE,
#endif
#if IS_ENABLED(CPTCFG_IWLTEST)
TRANS_TEST_OP_MODE,
#endif
#if IS_ENABLED(CPTCFG_IWLFMAC)
FMAC_OP_MODE,
#endif
};
/* Protects the table contents, i.e. the ops pointer & drv list */
static mtx_t 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 */
list_node_t 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},
#if IS_ENABLED(CPTCFG_IWLFMAC)
[FMAC_OP_MODE] = {.name = "iwlfmac", .ops = NULL},
#endif
#if IS_ENABLED(CPTCFG_IWLXVT)
[XVT_OP_MODE] = {.name = "iwlxvt", .ops = NULL},
#endif
#if IS_ENABLED(CPTCFG_IWLTEST)
[TRANS_TEST_OP_MODE] = {.name = "iwltest", .ops = NULL},
#endif
};
#if IS_ENABLED(CPTCFG_IWLXVT)
/* kernel object for a device dedicated
* folder in the sysfs */
static struct kobject* iwl_kobj;
static struct iwl_op_mode* _iwl_op_mode_start(struct iwl_drv* drv, struct iwlwifi_opmode_table* op);
static void _iwl_op_mode_stop(struct iwl_drv* drv);
/*
* iwl_drv_get_dev_container - Given a device, returns the pointer
* to it's corresponding driver's struct
*/
struct iwl_drv* iwl_drv_get_dev_container(struct device* dev) {
struct iwl_drv* drv_itr;
int i;
/* Going over all drivers, looking for the one that holds dev */
for (i = 0; (i < ARRAY_SIZE(iwlwifi_opmode_table)); i++) {
list_for_each_entry(drv_itr, &iwlwifi_opmode_table[i].drv, list) if (drv_itr->dev == dev) {
return drv_itr;
}
}
return NULL;
}
IWL_EXPORT_SYMBOL(iwl_drv_get_dev_container);
/*
* iwl_drv_get_op_mode - Returns the index of the device's
* active operation mode
*/
static zx_status_t iwl_drv_get_op_mode_idx(struct iwl_drv* drv) {
struct iwl_drv* drv_itr;
int i;
if (!drv || !drv->dev) {
return -ENODEV;
}
/* Going over all drivers, looking for the list that holds it */
for (i = 0; (i < ARRAY_SIZE(iwlwifi_opmode_table)); i++) {
list_for_each_entry(drv_itr, &iwlwifi_opmode_table[i].drv, list) {
if (drv_itr->dev == drv->dev) {
return i;
}
}
}
return ZX_ERR_INVALID_ARGS;
}
static bool iwl_drv_xvt_mode_supported(enum iwl_fw_type fw_type, int mode_idx) {
/* xVT mode is available only with 16 FW */
switch (fw_type) {
case IWL_FW_MVM:
#if IS_ENABLED(CPTCFG_IWLFMAC)
case IWL_FW_FMAC:
#endif
break;
default:
return false;
}
/* check whether the requested operation mode is supported */
switch (mode_idx) {
case XVT_OP_MODE:
case MVM_OP_MODE:
#if IS_ENABLED(CPTCFG_IWLFMAC)
case FMAC_OP_MODE:
#endif
return true;
default:
return false;
}
}
/*
* iwl_drv_switch_op_mode - Switch between operation modes
* Checks if the desired operation mode is valid, if it
* is supported by the device. Stops the current op mode
* and starts the desired mode.
*/
zx_status_t iwl_drv_switch_op_mode(struct iwl_drv* drv, const char* new_op_name) {
struct iwlwifi_opmode_table* new_op = NULL;
int idx;
/* Searching for wanted op_mode*/
for (idx = 0; idx < ARRAY_SIZE(iwlwifi_opmode_table); idx++) {
if (!strcmp(iwlwifi_opmode_table[idx].name, new_op_name)) {
new_op = &iwlwifi_opmode_table[idx];
break;
}
}
/* Checking if the desired op mode is valid */
if (!new_op) {
IWL_ERR(drv, "No such op mode \"%s\"\n", new_op_name);
return ZX_ERR_INVALID_ARGS;
}
/*
* If the desired op mode is already the
* device's current op mode, do nothing
*/
if (idx == iwl_drv_get_op_mode_idx(drv)) {
return 0;
}
/* Check if the desired operation mode is supported by the device/fw */
if (!iwl_drv_xvt_mode_supported(drv->fw.type, idx)) {
IWL_ERR(drv, "Op mode %s is not supported by the loaded fw\n", new_op_name);
return -ENOTSUPP;
}
/* Recording new op mode state */
drv->xvt_mode_on = (idx == XVT_OP_MODE);
/* Stopping the current op mode */
_iwl_op_mode_stop(drv);
/* Changing operation mode */
mtx_lock(&iwlwifi_opmode_table_mtx);
list_move_tail(&drv->list, &new_op->drv);
mtx_unlock(&iwlwifi_opmode_table_mtx);
/* Starting the new op mode */
if (new_op->ops) {
drv->op_mode = _iwl_op_mode_start(drv, new_op);
if (!drv->op_mode) {
IWL_ERR(drv, "Error switching op modes\n");
return ZX_ERR_INVALID_ARGS;
}
} else {
return iwl_module_request("%s", new_op->name);
}
return 0;
}
IWL_EXPORT_SYMBOL(iwl_drv_switch_op_mode);
/*
* iwl_drv_sysfs_show - Returns device information to user
*/
static ssize_t iwl_drv_sysfs_show(struct device* dev, struct device_attribute* attr, char* buf) {
struct iwl_drv* drv;
int op_mode_idx = 0, itr;
int ret = 0;
/* Retrieving containing driver */
drv = iwl_drv_get_dev_container(dev);
op_mode_idx = iwl_drv_get_op_mode_idx(drv);
/* Checking if driver and driver information are valid */
if (op_mode_idx < 0) {
return op_mode_idx;
}
/* Constructing output */
for (itr = 0; itr < ARRAY_SIZE(iwlwifi_opmode_table); itr++) {
ret += scnprintf(buf + ret, PAGE_SIZE - ret, "%s%-s\n", (itr == op_mode_idx) ? "* " : " ",
iwlwifi_opmode_table[itr].name);
}
return ret;
}
/* Attribute for device */
static const DEVICE_ATTR(op_mode, S_IRUGO, iwl_drv_sysfs_show, NULL);
/*
* iwl_create_sysfs_file - Creates a sysfs entry (under PCI devices),
* and a symlink under modules/iwlwifi
*/
static int iwl_create_sysfs_file(struct iwl_drv* drv) {
int ret;
ret = device_create_file(drv->dev, &dev_attr_op_mode);
if (!ret) {
ret = sysfs_create_link(iwl_kobj, &drv->dev->kobj, dev_name(drv->dev));
}
return ret;
}
/*
* iwl_remove_sysfs_file - Removes sysfs entries
*/
static void iwl_remove_sysfs_file(struct iwl_drv* drv) {
sysfs_remove_link(iwl_kobj, dev_name(drv->dev));
device_remove_file(drv->dev, &dev_attr_op_mode);
}
#endif /* CPTCFG_IWLXVT */
#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 */
uint32_t 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 < img->num_sec; i++) {
iwl_free_fw_desc(drv, &img->sec[i]);
}
kfree(img->sec);
}
static void iwl_dealloc_ucode(struct iwl_drv* drv) {
size_t 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]);
}
kfree(drv->fw.dbg.mem_tlv);
kfree(drv->fw.iml);
for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) {
iwl_free_fw_img(drv, drv->fw.img + i);
}
}
static zx_status_t 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 ZX_ERR_INVALID_ARGS;
}
data = vmalloc(sec->size);
if (!data) {
return ZX_ERR_NO_MEMORY;
}
desc->len = (uint32_t)sec->size;
desc->offset = sec->offset;
memcpy(data, sec->data, desc->len);
desc->data = data;
return 0;
}
static void iwl_req_fw_callback(struct firmware* ucode_raw, void* context);
static zx_status_t iwl_load_firmware(struct iwl_drv* drv, bool first) {
const struct iwl_cfg* cfg = drv->trans->cfg;
char tag[8];
#if defined(CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES)
char fw_name_temp[64];
#endif
if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
(CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_B_STEP &&
CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_C_STEP)) {
IWL_ERR(drv, "Only HW steps B and C are currently supported (0x%0x)\n", drv->trans->hw_rev);
return ZX_ERR_INVALID_ARGS;
}
if (first) {
drv->fw_index = cfg->ucode_api_max;
sprintf(tag, "%d", drv->fw_index);
} else {
drv->fw_index--;
sprintf(tag, "%d", drv->fw_index);
}
#ifdef CPTCFG_IWLWIFI_DISALLOW_OLDER_FW
/* The dbg-cfg check here works because the first time we get
* here we always load the 'api_max' version, and once that
* has returned we load the dbg-cfg file.
*/
if ((drv->fw_index != cfg->ucode_api_max
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
&& !drv->trans->dbg_cfg.load_old_fw
#endif
) ||
drv->fw_index < cfg->ucode_api_min) {
#else
if (drv->fw_index < cfg->ucode_api_min) {
#endif
IWL_ERR(drv, "no suitable firmware found!\n");
if (cfg->ucode_api_min == cfg->ucode_api_max) {
IWL_ERR(drv, "%s%d is required\n", cfg->fw_name_pre, cfg->ucode_api_max);
} else {
IWL_ERR(drv, "minimum version required: %s%d\n", cfg->fw_name_pre, cfg->ucode_api_min);
IWL_ERR(drv, "maximum version supported: %s%d\n", cfg->fw_name_pre, cfg->ucode_api_max);
}
IWL_ERR(drv,
"check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n");
return ZX_ERR_NOT_FOUND;
}
snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s/%s%s.ucode", FIRMWARE_DIR,
cfg->fw_name_pre, tag);
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
if (drv->trans->dbg_cfg.fw_file_pre) {
snprintf(fw_name_temp, sizeof(fw_name_temp), "%s%s", drv->trans->dbg_cfg.fw_file_pre,
drv->firmware_name);
strncpy(drv->firmware_name, fw_name_temp, sizeof(drv->firmware_name));
}
#endif /* CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES */
IWL_INFO(drv, "attempting to load firmware '%s'\n", drv->firmware_name);
// If we cannot load the firmware file (e.g. the specified version is not included on the system),
// try the next (lower version) firmware file.
zx_status_t ret =
iwl_firmware_request_nowait(drv->trans->dev, drv->firmware_name, iwl_req_fw_callback, drv);
if (ret == ZX_ERR_NOT_FOUND) {
IWL_DEBUG_FW(drv, "cannot load the firmware file '%s'. Try next firmware version.\n",
drv->firmware_name);
return iwl_load_firmware(drv, false);
} else {
return ret;
}
}
struct fw_img_parsing {
struct fw_sec* sec;
int sec_counter;
};
/*
* struct fw_sec_parsing: to extract fw section and it's offset from tlv
*/
struct fw_sec_parsing {
__le32 offset;
const uint8_t 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];
uint32_t init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
uint32_t inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
/* FW debug data parsed for driver usage */
bool dbg_dest_tlv_init;
uint8_t* dbg_dest_ver;
union {
struct iwl_fw_dbg_dest_tlv* dbg_dest_tlv;
struct iwl_fw_dbg_dest_tlv_v1* dbg_dest_tlv_v1;
};
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];
struct iwl_fw_dbg_mem_seg_tlv* dbg_mem_tlv;
size_t n_mem_tlv;
};
/*
* 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 alloc_sec_data(struct iwl_firmware_pieces* pieces, enum iwl_ucode_type type, int sec) {
struct fw_img_parsing* img = &pieces->img[type];
struct fw_sec* sec_memory;
int size = sec + 1;
size_t alloc_size = sizeof(*img->sec) * size;
if (img->sec && img->sec_counter >= size) {
return;
}
sec_memory = realloc(img->sec, alloc_size);
if (!sec_memory) {
return;
}
img->sec = sec_memory;
img->sec_counter = size;
}
static void set_sec_data(struct iwl_firmware_pieces* pieces, enum iwl_ucode_type type, int sec,
const void* data) {
alloc_sec_data(pieces, type, sec);
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) {
alloc_sec_data(pieces, type, sec);
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,
uint32_t offset) {
alloc_sec_data(pieces, type, sec);
pieces->img[type].sec[sec].offset = offset;
}
static zx_status_t iwl_store_cscheme(struct iwl_fw* fw, const uint8_t* data, const uint32_t len) {
int i, j;
struct iwl_fw_cscheme_list* l = (struct iwl_fw_cscheme_list*)data;
struct iwl_fw_cipher_scheme* fwcs;
if (len < sizeof(*l) || len < sizeof(l->size) + l->size * sizeof(l->cs[0])) {
return ZX_ERR_INVALID_ARGS;
}
for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
fwcs = &l->cs[j];
/* we skip schemes with zero cipher suite selector */
if (!fwcs->cipher) {
continue;
}
fw->cs[j++] = *fwcs;
}
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;
size_t alloc_size;
if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) {
return -1;
}
sec_parse = (struct fw_sec_parsing*)data;
img = &pieces->img[type];
alloc_size = sizeof(*img->sec) * (img->sec_counter + 1);
sec = realloc(img->sec, alloc_size);
if (!sec) {
return ZX_ERR_NO_MEMORY;
}
img->sec = sec;
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 zx_status_t iwl_set_default_calib(struct iwl_drv* drv, const uint8_t* data) {
struct iwl_tlv_calib_data* def_calib = (struct iwl_tlv_calib_data*)data;
uint32_t 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 ZX_ERR_INVALID_ARGS;
}
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 void iwl_set_ucode_api_flags(struct iwl_drv* drv, const uint8_t* data,
struct iwl_ucode_capabilities* capa) {
const struct iwl_ucode_api* ucode_api = (void*)data;
uint32_t api_index = le32_to_cpu(ucode_api->api_index);
uint32_t api_flags = le32_to_cpu(ucode_api->api_flags);
int i;
if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
IWL_WARN(drv, "api flags index %d larger than supported by driver\n", api_index);
return;
}
for (i = 0; i < 32; i++) {
if (api_flags & BIT(i)) {
__set_bit(i + 32 * api_index, capa->_api);
}
}
}
static void iwl_set_ucode_capabilities(struct iwl_drv* drv, const uint8_t* data,
struct iwl_ucode_capabilities* capa) {
const struct iwl_ucode_capa* ucode_capa = (void*)data;
uint32_t api_index = le32_to_cpu(ucode_capa->api_index);
uint32_t api_flags = le32_to_cpu(ucode_capa->api_capa);
int i;
if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
IWL_WARN(drv, "capa flags index %d larger than supported by driver\n", api_index);
return;
}
for (i = 0; i < 32; i++) {
if (api_flags & BIT(i)) {
__set_bit(i + 32 * api_index, capa->_capa);
}
}
}
static zx_status_t 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;
uint32_t api_ver, hdr_size, build;
char buildstr[25];
const uint8_t* 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 ZX_ERR_INVALID_ARGS;
}
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 ZX_ERR_INVALID_ARGS;
}
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", build);
} 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 ZX_ERR_INVALID_ARGS;
}
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 zx_status_t iwl_parse_tlv_firmware(struct iwl_drv* drv, const struct firmware* ucode_raw,
struct iwl_firmware_pieces* pieces,
struct iwl_ucode_capabilities* capa,
bool* usniffer_images) {
struct iwl_tlv_ucode_header* ucode = (void*)ucode_raw->data;
struct iwl_ucode_tlv* tlv;
size_t len = ucode_raw->size;
const uint8_t* data;
uint32_t tlv_len;
uint32_t usniffer_img;
enum iwl_ucode_tlv_type tlv_type;
const uint8_t* tlv_data;
char buildstr[25];
uint32_t build, paging_mem_size;
int num_of_cpus;
bool usniffer_req = false;
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
if (ucode->magic == cpu_to_le32(IWL_TLV_FW_DBG_MAGIC)) {
size_t dbg_data_ofs = offsetof(struct iwl_tlv_ucode_header, human_readable);
data = (void*)ucode_raw->data + dbg_data_ofs;
len -= dbg_data_ofs;
goto fw_dbg_conf;
}
#endif
if (len < sizeof(*ucode)) {
IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
return ZX_ERR_INVALID_ARGS;
}
if (ucode->magic != (__le32)cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
IWL_ERR(drv, "invalid uCode magic: 0X%x\n", le32_to_cpu(ucode->magic));
return ZX_ERR_INVALID_ARGS;
}
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", build);
} 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);
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
fw_dbg_conf:
#endif
#if 0 // NEEDS_PORTING
if (iwlwifi_mod_params.enable_ini) {
iwl_alloc_dbg_tlv(drv->trans, len, data, false);
}
#endif // NEEDS_PORTING
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 ZX_ERR_INVALID_ARGS;
}
len -= IWL_ALIGN(tlv_len, 4);
data += sizeof(*tlv) + IWL_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(uint32_t)) {
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 uint32_t */
if (tlv_len < sizeof(uint32_t)) {
goto invalid_tlv_len;
}
/* and a proper number of u32s */
if (tlv_len % sizeof(uint32_t)) {
goto invalid_tlv_len;
}
/*
* This driver only reads the first uint32_t 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;
}
iwl_set_ucode_api_flags(drv, tlv_data, capa);
break;
case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
if (tlv_len != sizeof(struct iwl_ucode_capa)) {
goto invalid_tlv_len;
}
iwl_set_ucode_capabilities(drv, tlv_data, capa);
break;
case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
if (tlv_len != sizeof(uint32_t)) {
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(uint32_t)) {
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(uint32_t)) {
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(uint32_t)) {
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(uint32_t)) {
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(uint32_t)) {
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(uint32_t)) {
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.type = IWL_FW_MVM;
break;
case IWL_UCODE_TLV_SEC_INIT:
iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, tlv_len);
drv->fw.type = IWL_FW_MVM;
break;
case IWL_UCODE_TLV_SEC_WOWLAN:
iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, tlv_len);
drv->fw.type = IWL_FW_MVM;
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(uint32_t)) {
goto invalid_tlv_len;
}
drv->fw.phy_config = le32_to_cpup((__le32*)tlv_data);
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
if (drv->trans->dbg_cfg.valid_ants & ~ANT_ABC) {
IWL_ERR(drv, "Invalid value for antennas: 0x%x\n", drv->trans->dbg_cfg.valid_ants);
}
/* Make sure value stays in range */
drv->trans->dbg_cfg.valid_ants &= ANT_ABC;
if (drv->trans->dbg_cfg.valid_ants) {
uint32_t phy_config = ~(FW_PHY_CFG_TX_CHAIN | FW_PHY_CFG_RX_CHAIN);
phy_config |= (drv->trans->dbg_cfg.valid_ants << FW_PHY_CFG_TX_CHAIN_POS);
phy_config |= (drv->trans->dbg_cfg.valid_ants << FW_PHY_CFG_RX_CHAIN_POS);
drv->fw.phy_config &= phy_config;
}
#endif
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.type = IWL_FW_MVM;
break;
case IWL_UCODE_TLV_SECURE_SEC_INIT:
iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, tlv_len);
drv->fw.type = IWL_FW_MVM;
break;
case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, tlv_len);
drv->fw.type = IWL_FW_MVM;
break;
case IWL_UCODE_TLV_NUM_OF_CPU:
if (tlv_len != sizeof(uint32_t)) {
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 ZX_ERR_INVALID_ARGS;
}
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(uint32_t)) {
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;
uint32_t major, minor;
uint8_t local_comp;
if (tlv_len != sizeof(uint32_t) * 3) {
goto invalid_tlv_len;
}
major = le32_to_cpup(ptr++);
minor = le32_to_cpup(ptr++);
local_comp = (uint8_t)le32_to_cpup(ptr);
if (strncmp((const char*)drv->fw.human_readable, "stream:", 7))
snprintf(drv->fw.fw_version, sizeof(drv->fw.fw_version), "%u.%08x.%hhu", major, minor,
local_comp);
else
snprintf(drv->fw.fw_version, sizeof(drv->fw.fw_version), "%u.%u.%hhu", major, minor,
local_comp);
break;
}
case IWL_UCODE_TLV_FW_DBG_DEST: {
struct iwl_fw_dbg_dest_tlv* dest = NULL;
struct iwl_fw_dbg_dest_tlv_v1* dest_v1 = NULL;
uint8_t mon_mode;
pieces->dbg_dest_ver = (uint8_t*)tlv_data;
if (*pieces->dbg_dest_ver == 1) {
dest = (void*)tlv_data;
} else if (*pieces->dbg_dest_ver == 0) {
dest_v1 = (void*)tlv_data;
} else {
IWL_ERR(drv, "The version is %d, and it is invalid\n", *pieces->dbg_dest_ver);
break;
}
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
if (drv->trans->dbg_cfg.dbm_destination_path) {
IWL_ERR(drv, "Ignoring destination, ini file present\n");
break;
}
#endif
#endif
if (pieces->dbg_dest_tlv_init) {
IWL_ERR(drv, "dbg destination ignored, already exists\n");
break;
}
pieces->dbg_dest_tlv_init = true;
if (dest_v1) {
pieces->dbg_dest_tlv_v1 = dest_v1;
mon_mode = dest_v1->monitor_mode;
} else {
pieces->dbg_dest_tlv = dest;
mon_mode = dest->monitor_mode;
}
IWL_INFO(drv, "Found debug destination: %s\n", get_fw_dbg_mode_string(mon_mode));
drv->fw.dbg.n_dest_reg =
(uint8_t)((dest_v1) ? tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv_v1, reg_ops)
: tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv, reg_ops));
drv->fw.dbg.n_dest_reg /= 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_init) {
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;
uint32_t 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_FW_DBG_DUMP_LST: {
if (tlv_len != sizeof(uint32_t)) {
IWL_ERR(drv, "dbg lst mask size incorrect, skip\n");
break;
}
drv->fw.dbg.dump_mask = le32_to_cpup((__le32*)tlv_data);
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(uint32_t)) {
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 ZX_ERR_INVALID_ARGS;
}
if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
IWL_ERR(drv, "Paging: image isn't multiple %lu\n", FW_PAGING_SIZE);
return ZX_ERR_INVALID_ARGS;
}
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_FW_GSCAN_CAPA:
/* ignored */
break;
case IWL_UCODE_TLV_FW_MEM_SEG: {
struct iwl_fw_dbg_mem_seg_tlv* dbg_mem = (void*)tlv_data;
size_t size;
struct iwl_fw_dbg_mem_seg_tlv* n;
if (tlv_len != (sizeof(*dbg_mem))) {
goto invalid_tlv_len;
}
IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", dbg_mem->data_type);
size = sizeof(*pieces->dbg_mem_tlv) * (pieces->n_mem_tlv + 1);
n = realloc(pieces->dbg_mem_tlv, size);
if (!n) {
return ZX_ERR_NO_MEMORY;
}
pieces->dbg_mem_tlv = n;
pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem;
pieces->n_mem_tlv++;
break;
}
case IWL_UCODE_TLV_IML: {
drv->fw.iml_len = tlv_len;
drv->fw.iml = kmemdup(tlv_data, tlv_len);
if (!drv->fw.iml) {
return ZX_ERR_NO_MEMORY;
}
break;
}
#if IS_ENABLED(CPTCFG_IWLFMAC)
case IWL_UCODE_TLV_FW_FMAC_API_VERSION:
if (tlv_len != sizeof(uint32_t)) {
goto invalid_tlv_len;
}
capa->fmac_api_version = le32_to_cpup((__le32*)tlv_data);
break;
case IWL_UCODE_TLV_FW_FMAC_RECOVERY_INFO: {
struct {
__le32 buf_addr;
__le32 buf_size;
}* recov_info = (void*)tlv_data;
if (tlv_len != sizeof(*recov_info)) {
goto invalid_tlv_len;
}
capa->fmac_error_log_addr = le32_to_cpu(recov_info->buf_addr);
capa->fmac_error_log_size = le32_to_cpu(recov_info->buf_size);
} break;
#endif
case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION:
case IWL_UCODE_TLV_TYPE_HCMD:
case IWL_UCODE_TLV_TYPE_REGIONS:
case IWL_UCODE_TLV_TYPE_TRIGGERS:
case IWL_UCODE_TLV_TYPE_DEBUG_FLOW:
#if 0 // NEEDS_PORTING
if (iwlwifi_mod_params.enable_ini) {
iwl_fw_dbg_copy_tlv(drv->trans, tlv, false);
}
#endif // NEEDS_PORTING
default:
IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
break;
}
}
if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && usniffer_req &&
!*usniffer_images) {
IWL_ERR(drv,
"user selected to work with usniffer but usniffer image isn't "
"available in ucode "
"package\n");
return ZX_ERR_INVALID_ARGS;
}
if (len) {
IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
iwl_print_hex_dump(drv, IWL_DL_FW, (uint8_t*)data, len);
return ZX_ERR_INVALID_ARGS;
}
#if IS_ENABLED(CPTCFG_IWLFMAC)
if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_MLME_OFFLOAD)) {
drv->fw.type = IWL_FW_FMAC;
}
#endif
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 ZX_ERR_INVALID_ARGS;
}
static int iwl_alloc_ucode(struct iwl_drv* drv, struct iwl_firmware_pieces* pieces,
enum iwl_ucode_type type) {
int i;
struct fw_desc* sec;
sec = calloc(pieces->img[type].sec_counter, sizeof(*sec));
if (!sec) {
return ZX_ERR_NO_MEMORY;
}
drv->fw.img[type].sec = sec;
drv->fw.img[type].num_sec = pieces->img[type].sec_counter;
for (i = 0; i < pieces->img[type].sec_counter; i++)
if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) {
return ZX_ERR_NO_MEMORY;
}
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 CPTCFG_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->trans->cfg, &drv->fw, dbgfs_dir);
if (!op_mode) {
#ifdef CPTCFG_IWLWIFI_DEBUGFS
debugfs_remove_recursive(drv->dbgfs_op_mode);
drv->dbgfs_op_mode = NULL;
return 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 CPTCFG_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(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->trans->cfg->ucode_api_max;
const unsigned int api_min = drv->trans->cfg->ucode_api_min;
size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
uint32_t api_ver;
size_t i;
bool load_module = false;
bool usniffer_images = false;
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
const struct firmware* fw_dbg_config;
int load_fw_dbg_err = ZX_ERR_NOT_FOUND;
#endif
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;
/* dump all fw memory areas by default except d3 debug data */
fw->dbg.dump_mask = 0xfffdffff;
pieces = calloc(1, sizeof(*pieces));
if (!pieces) {
goto out_free_fw;
}
if (!ucode_raw) {
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, &usniffer_images);
}
if (err) {
goto try_again;
}
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
if (!ucode->ver && drv->trans->dbg_cfg.fw_dbg_conf) {
load_fw_dbg_err =
iwl_firmware_request(drv->trans->dev, &fw_dbg_config, drv->trans->dbg_cfg.fw_dbg_conf);
if (!load_fw_dbg_err) {
err = iwl_parse_tlv_firmware(drv, fw_dbg_config, pieces, &fw->ucode_capa, &usniffer_images);
if (err) {
IWL_ERR(drv, "Failed to configure FW DBG data!\n");
}
}
}
#endif
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
*/
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;
}
/*
* In mvm uCode there is no difference between data and instructions
* sections.
*/
if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, drv->trans->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, (enum iwl_ucode_type)i)) {
goto out_free_fw;
}
if (pieces->dbg_dest_tlv_init) {
size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) +
sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * drv->fw.dbg.n_dest_reg;
drv->fw.dbg.dest_tlv = malloc(dbg_dest_size);
if (!drv->fw.dbg.dest_tlv) {
goto out_free_fw;
}
if (*pieces->dbg_dest_ver == 0) {
memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, dbg_dest_size);
} else {
struct iwl_fw_dbg_dest_tlv_v1* dest_tlv = drv->fw.dbg.dest_tlv;
dest_tlv->version = pieces->dbg_dest_tlv->version;
dest_tlv->monitor_mode = pieces->dbg_dest_tlv->monitor_mode;
dest_tlv->size_power = pieces->dbg_dest_tlv->size_power;
dest_tlv->wrap_count = pieces->dbg_dest_tlv->wrap_count;
dest_tlv->write_ptr_reg = pieces->dbg_dest_tlv->write_ptr_reg;
dest_tlv->base_shift = pieces->dbg_dest_tlv->base_shift;
memcpy(dest_tlv->reg_ops, pieces->dbg_dest_tlv->reg_ops,
sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * drv->fw.dbg.n_dest_reg);
/* In version 1 of the destination tlv, which is
* relevant for internal buffer exclusively,
* the base address is part of given with the length
* of the buffer, and the size shift is give instead of
* end shift. We now store these values in base_reg,
* and end shift, and when dumping the data we'll
* manipulate it for extracting both the length and
* base address */
dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg;
dest_tlv->end_shift = pieces->dbg_dest_tlv->size_shift;
}
}
for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) {
if (pieces->dbg_conf_tlv[i]) {
drv->fw.dbg.conf_tlv[i] = kmemdup(pieces->dbg_conf_tlv[i], pieces->dbg_conf_tlv_len[i]);
if (!pieces->dbg_conf_tlv_len[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);
#ifdef CPTCFG_MAC80211_LATENCY_MEASUREMENTS
trigger_tlv_sz[FW_DBG_TRIGGER_TX_LATENCY] = sizeof(struct iwl_fw_dbg_trigger_tx_latency);
#endif /* CPTCFG_MAC80211_LATENCY_MEASUREMENTS */
trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = sizeof(struct iwl_fw_dbg_trigger_tdls);
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]);
if (!drv->fw.dbg.trigger_tlv[i]) {
goto out_free_fw;
}
}
}
/* Now that we can no longer fail, copy information */
drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv;
pieces->dbg_mem_tlv = NULL;
drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv;
/*
* 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->trans->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->trans->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 */
iwl_firmware_release(ucode_raw);
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
if (!load_fw_dbg_err) {
iwl_firmware_release(fw_dbg_config);
}
#endif
mtx_lock(&iwlwifi_opmode_table_mtx);
switch (fw->type) {
case IWL_FW_DVM:
op = &iwlwifi_opmode_table[DVM_OP_MODE];
break;
default:
WARN(1, "Invalid fw type %d\n", fw->type);
__FALLTHROUGH;
case IWL_FW_MVM:
op = &iwlwifi_opmode_table[MVM_OP_MODE];
break;
#if IS_ENABLED(CPTCFG_IWLFMAC)
case IWL_FW_FMAC:
op = &iwlwifi_opmode_table[FMAC_OP_MODE];
break;
#endif
}
#if IS_ENABLED(CPTCFG_IWLXVT)
if (iwlwifi_mod_params.xvt_default_mode && drv->fw.type == IWL_FW_MVM) {
op = &iwlwifi_opmode_table[XVT_OP_MODE];
}
drv->xvt_mode_on = (op == &iwlwifi_opmode_table[XVT_OP_MODE]);
#endif
#if IS_ENABLED(CPTCFG_IWLTEST)
if (iwlwifi_mod_params.trans_test) {
op = &iwlwifi_opmode_table[TRANS_TEST_OP_MODE];
}
#endif
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(&op->drv, &drv->list);
if (op->ops) {
drv->op_mode = _iwl_op_mode_start(drv, op);
if (!drv->op_mode) {
mtx_unlock(&iwlwifi_opmode_table_mtx);
goto out_unbind;
}
} else {
load_module = true;
}
mtx_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.
*/
sync_completion_signal(&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) {
iwl_module_request("%s", op->name);
}
goto free;
try_again:
/* try next, if any */
iwl_firmware_release(ucode_raw);
if (iwl_load_firmware(drv, false)) {
goto out_unbind;
}
goto free;
out_free_fw:
iwl_dealloc_ucode(drv);
iwl_firmware_release(ucode_raw);
out_unbind:
sync_completion_signal(&drv->request_firmware_complete);
iwl_device_release(drv->trans->dev);
free:
if (pieces) {
for (i = 0; i < ARRAY_SIZE(pieces->img); i++) {
kfree(pieces->img[i].sec);
}
kfree(pieces->dbg_mem_tlv);
kfree(pieces);
}
}
zx_status_t iwl_drv_start(struct iwl_trans* trans, struct iwl_drv** out_drv) {
struct iwl_drv* drv;
zx_status_t status = ZX_OK;
drv = calloc(1, sizeof(*drv));
if (!drv) {
status = ZX_ERR_NO_MEMORY;
goto err;
}
drv->trans = trans;
drv->dev = trans->dev;
drv->request_firmware_complete = SYNC_COMPLETION_INIT;
list_initialize(&drv->list);
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
trans->dbg_cfg = current_dbg_config;
iwl_dbg_cfg_load_ini(drv->trans->dev, &drv->trans->dbg_cfg);
iwl_load_fw_dbg_tlv(drv->trans->dev, drv->trans);
#endif
#ifdef CPTCFG_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");
status = ZX_ERR_NO_MEMORY;
goto err_free_tlv;
}
/* 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");
status = ZX_ERR_NO_MEMORY;
goto err_free_dbgfs;
}
#endif
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
iwl_tm_gnl_add(drv->trans);
#endif
status = iwl_load_firmware(drv, true);
if (status != ZX_OK) {
IWL_ERR(trans, "Couldn't request the fw\n");
goto err_fw;
}
#if IS_ENABLED(CPTCFG_IWLXVT)
status = iwl_create_sysfs_file(drv);
if (status != ZX_OK) {
IWL_ERR(trans, "Couldn't create sysfs entry\n");
goto err_fw;
}
#endif
*out_drv = drv;
return status;
err_fw:
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
iwl_tm_gnl_remove(drv->trans);
#endif
#ifdef CPTCFG_IWLWIFI_DEBUGFS
err_free_dbgfs:
debugfs_remove_recursive(drv->dbgfs_drv);
err_free_tlv:
iwl_fw_dbg_free(drv->trans);
#endif
kfree(drv);
err:
return status;
}
void iwl_drv_stop(struct iwl_drv* drv) {
if (!drv) {
return;
}
sync_completion_wait(&drv->request_firmware_complete, ZX_SEC(5));
_iwl_op_mode_stop(drv);
iwl_dealloc_ucode(drv);
mtx_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_is_empty(&drv->list)) {
list_remove_tail(&drv->list);
}
mtx_unlock(&iwlwifi_opmode_table_mtx);
#ifdef CPTCFG_IWLWIFI_DEBUGFS
drv->trans->ops->debugfs_cleanup(drv->trans);
debugfs_remove_recursive(drv->dbgfs_drv);
#endif
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
iwl_dbg_cfg_free(&drv->trans->dbg_cfg);
#endif
#if 0 // NEEDS_PORTING
iwl_fw_dbg_free(drv->trans);
#endif // NEEDS_PORTING
#if IS_ENABLED(CPTCFG_IWLXVT)
iwl_remove_sysfs_file(drv);
#endif
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
iwl_tm_gnl_remove(drv->trans);
#endif
kfree(drv);
}
/* shared module parameters */
struct iwl_mod_params iwlwifi_mod_params = {
.fw_restart = true,
.bt_coex_active = true,
.power_level = IWL_POWER_INDEX_1,
.d0i3_disable = IS_ENABLED(CPTCFG_IWLWIFI_D0I3_DEFAULT_DISABLE),
.d0i3_timeout = 1000,
.uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,
/* the rest are 0 by default */
};
zx_status_t iwl_opmode_register(const char* name, const struct iwl_op_mode_ops* ops) {
size_t i;
struct iwl_drv* drv;
struct iwlwifi_opmode_table* op;
mtx_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;
list_for_every_entry (&op->drv, drv, struct iwl_drv, list) {
drv->op_mode = _iwl_op_mode_start(drv, op);
if (!drv->op_mode) {
mtx_unlock(&iwlwifi_opmode_table_mtx);
return ZX_ERR_INTERNAL;
}
}
mtx_unlock(&iwlwifi_opmode_table_mtx);
return ZX_OK;
}
mtx_unlock(&iwlwifi_opmode_table_mtx);
return ZX_ERR_IO;
}
void iwl_opmode_deregister(const char* name) {
#if 0 // NEEDS_PORTING
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);
#endif // NEEDS_PORTING
}
zx_status_t iwl_drv_init(void) {
size_t i;
mtx_init(&iwlwifi_opmode_table_mtx, mtx_plain);
for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
list_initialize(&iwlwifi_opmode_table[i].drv);
}
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
if (iwl_tm_gnl_init()) {
return -EFAULT;
}
#endif
#if IS_ENABLED(CPTCFG_IWLXVT)
iwl_kobj = kobject_create_and_add("devices", &THIS_MODULE->mkobj.kobj);
if (!iwl_kobj) {
return -ENOMEM;
}
#endif
IWL_INFO(nullptr, DRV_DESCRIPTION "\n");
IWL_INFO(nullptr, DRV_COPYRIGHT "\n");
#ifdef CPTCFG_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
#if 0 // NEEDS_PORTING
return iwl_pci_register_driver();
#endif // NEEDS_PORTING
return ZX_OK;
}
#if 0 // NEEDS_PORTING
static void __exit iwl_drv_exit(void) {
iwl_pci_unregister_driver();
#ifdef CPTCFG_IWLWIFI_DEBUGFS
debugfs_remove_recursive(iwl_dbgfs_root);
#endif
#if IS_ENABLED(CPTCFG_IWLXVT)
if (iwl_kobj) {
kobject_put(iwl_kobj);
}
#endif
#ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE
iwl_tm_gnl_exit();
#endif
}
module_exit(iwl_drv_exit);
#ifdef CPTCFG_IWLWIFI_DEBUG
module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644);
MODULE_PARM_DESC(debug, "debug output mask");
#endif
#if IS_ENABLED(CPTCFG_IWLXVT)
module_param_named(xvt_default_mode, iwlwifi_mod_params.xvt_default_mode,
bool, S_IRUGO);
MODULE_PARM_DESC(xvt_default_mode, "xVT is the default operation mode (default: false)");
#endif
module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444);
MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444);
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, iwlwifi_mod_params.amsdu_size, int, 0444);
MODULE_PARM_DESC(amsdu_size,
"amsdu size 0: 12K for multi Rx queue devices, 2K for 22560 devices, "
"4K for other devices 1:4K 2:8K 3:12K 4: 2K (default 0)");
module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444);
MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
module_param_named(antenna_coupling, iwlwifi_mod_params.antenna_coupling,
int, 0444);
MODULE_PARM_DESC(antenna_coupling,
"specify antenna coupling in dB (default: 0 dB)");
module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444);
MODULE_PARM_DESC(nvm_file, "NVM file name");
module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable, bool, 0444);
#ifdef CPTCFG_IWLWIFI_D0I3_DEFAULT_DISABLE
MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)");
#else
MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: N)");
#endif
module_param_named(lar_disable, iwlwifi_mod_params.lar_disable, bool, 0444);
MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)");
module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644);
MODULE_PARM_DESC(uapsd_disable,
"disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
module_param_named(enable_ini, iwlwifi_mod_params.enable_ini,
bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(enable_ini,
"Enable debug INI TLV FW debug infrastructure (default: 0");
/*
* 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, 0444);
MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444);
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, 0444);
MODULE_PARM_DESC(power_save,
"enable WiFi power management (default: disable)");
module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444);
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, 0444);
MODULE_PARM_DESC(fw_monitor,
"firmware monitor - to debug FW (default: false - needs lots of memory)");
#if IS_ENABLED(CPTCFG_IWLTEST)
module_param_named(trans_test, iwlwifi_mod_params.trans_test, bool, S_IRUGO);
MODULE_PARM_DESC(trans_test, "load transport tester (default: false)");
#endif
module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_timeout, uint, 0444);
MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)");
module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444);
MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)");
module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 0444);
MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)");
module_param_named(disable_msix, iwlwifi_mod_params.disable_msix, bool, 0444);
MODULE_PARM_DESC(disable_msix, "Disable MSI-X and use MSI instead (default: false)");
module_param_named(remove_when_gone,
iwlwifi_mod_params.remove_when_gone, bool, 0444);
MODULE_PARM_DESC(remove_when_gone,
"Remove dev from PCIe bus if it is deemed inaccessible (default: false)");
#endif // NEEDS_PORTING