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path: root/drivers/net/wireless/iwlwifi/iwl-drv.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-drv.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-drv.c198
1 files changed, 177 insertions, 21 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c
index 0f1084f09caa..38de1513e4de 100644
--- a/drivers/net/wireless/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/iwlwifi/iwl-drv.c
@@ -78,9 +78,6 @@
#include "iwl-config.h"
#include "iwl-modparams.h"
-/* private includes */
-#include "iwl-fw-file.h"
-
/******************************************************************************
*
* module boiler plate
@@ -187,6 +184,11 @@ static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
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 < IWL_UCODE_TYPE_MAX; i++)
iwl_free_fw_img(drv, drv->fw.img + i);
}
@@ -248,6 +250,9 @@ static int iwl_request_firmware(struct iwl_drv *drv, bool first)
/*
* Starting 8000B - FW name format has changed. This overwrites the
* previous name and uses the new format.
+ *
+ * TODO:
+ * Once there is only one supported step for 8000 family - delete this!
*/
if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) {
char rev_step[2] = {
@@ -258,6 +263,13 @@ static int iwl_request_firmware(struct iwl_drv *drv, bool first)
if (CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_A_STEP)
rev_step[0] = 0;
+ /*
+ * If hw_rev wasn't set yet - default as B-step. If it IS A-step
+ * we'll reload that FW later instead.
+ */
+ if (drv->trans->hw_rev == 0)
+ rev_step[0] = 'B';
+
snprintf(drv->firmware_name, sizeof(drv->firmware_name),
"%s%s-%s.ucode", name_pre, rev_step, tag);
}
@@ -301,6 +313,11 @@ struct iwl_firmware_pieces {
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_MAX];
+ size_t dbg_conf_tlv_len[FW_DBG_MAX];
};
/*
@@ -574,6 +591,8 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
char buildstr[25];
u32 build;
int num_of_cpus;
+ bool usniffer_images = false;
+ bool usniffer_req = false;
if (len < sizeof(*ucode)) {
IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
@@ -807,19 +826,16 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
tlv_len);
drv->fw.mvm_fw = true;
- drv->fw.img[IWL_UCODE_REGULAR].is_secure = 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;
- drv->fw.img[IWL_UCODE_INIT].is_secure = 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;
- drv->fw.img[IWL_UCODE_WOWLAN].is_secure = true;
break;
case IWL_UCODE_TLV_NUM_OF_CPU:
if (tlv_len != sizeof(u32))
@@ -849,12 +865,79 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
capa->n_scan_channels =
le32_to_cpup((__le32 *)tlv_data);
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_SEC_RT_USNIFFER:
+ usniffer_images = true;
+ iwl_store_ucode_sec(pieces, tlv_data,
+ IWL_UCODE_REGULAR_USNIFFER,
+ tlv_len);
+ 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);
@@ -992,13 +1075,14 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
struct iwl_ucode_header *ucode;
struct iwlwifi_opmode_table *op;
int err;
- struct iwl_firmware_pieces pieces;
+ 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;
u32 api_ver;
int i;
bool load_module = false;
+ u32 hw_rev = drv->trans->hw_rev;
fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
fw->ucode_capa.standard_phy_calibration_size =
@@ -1008,7 +1092,9 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
if (!api_ok)
api_ok = api_max;
- memset(&pieces, 0, sizeof(pieces));
+ pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
+ if (!pieces)
+ return;
if (!ucode_raw) {
if (drv->fw_index <= api_ok)
@@ -1031,10 +1117,10 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
ucode = (struct iwl_ucode_header *)ucode_raw->data;
if (ucode->ver)
- err = iwl_parse_v1_v2_firmware(drv, ucode_raw, &pieces);
+ err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
else
- err = iwl_parse_tlv_firmware(drv, ucode_raw, &pieces,
- &fw->ucode_capa);
+ err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
+ &fw->ucode_capa);
if (err)
goto try_again;
@@ -1074,7 +1160,7 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
* In mvm uCode there is no difference between data and instructions
* sections.
*/
- if (!fw->mvm_fw && validate_sec_sizes(drv, &pieces, drv->cfg))
+ if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg))
goto try_again;
/* Allocate ucode buffers for card's bus-master loading ... */
@@ -1083,9 +1169,33 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
* 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))
+ 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;
+ }
+ }
+
/* Now that we can no longer fail, copy information */
/*
@@ -1093,20 +1203,20 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
* 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;
+ 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;
+ 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;
+ fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
/*
* figure out the offset of chain noise reset and gain commands
@@ -1165,10 +1275,55 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
op->name, err);
#endif
}
+
+ /*
+ * We may have loaded the wrong FW file in 8000 HW family if it is an
+ * A-step card, and if drv->trans->hw_rev wasn't properly read when
+ * the FW file had been loaded. (This might happen in SDIO.) In such a
+ * case - unload and reload the correct file.
+ *
+ * TODO:
+ * Once there is only one supported step for 8000 family - delete this!
+ */
+ if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000 &&
+ CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_A_STEP &&
+ drv->trans->hw_rev != hw_rev) {
+ char firmware_name[32];
+
+ /* Free previous FW resources */
+ if (drv->op_mode)
+ _iwl_op_mode_stop(drv);
+ iwl_dealloc_ucode(drv);
+
+ /* Build name of correct-step FW */
+ snprintf(firmware_name, sizeof(firmware_name),
+ strrchr(drv->firmware_name, '-'));
+ snprintf(drv->firmware_name, sizeof(drv->firmware_name),
+ "%s%s", drv->cfg->fw_name_pre, firmware_name);
+
+ /* Clear data before loading correct FW */
+ list_del(&drv->list);
+
+ /* Request correct FW file this time */
+ IWL_DEBUG_INFO(drv, "attempting to load A-step FW %s\n",
+ drv->firmware_name);
+ err = request_firmware(&ucode_raw, drv->firmware_name,
+ drv->trans->dev);
+ if (err) {
+ IWL_ERR(drv, "Failed swapping FW!\n");
+ goto out_unbind;
+ }
+
+ /* Redo callback function - this time with right FW */
+ iwl_req_fw_callback(ucode_raw, context);
+ }
+
+ kfree(pieces);
return;
try_again:
/* try next, if any */
+ kfree(pieces);
release_firmware(ucode_raw);
if (iwl_request_firmware(drv, false))
goto out_unbind;
@@ -1179,6 +1334,7 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
iwl_dealloc_ucode(drv);
release_firmware(ucode_raw);
out_unbind:
+ kfree(pieces);
complete(&drv->request_firmware_complete);
device_release_driver(drv->trans->dev);
}