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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.c151
1 files changed, 119 insertions, 32 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c
index 17485e715424..05302d6f989f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/iwlwifi/iwl-drv.c
@@ -67,9 +67,11 @@
#include "iwl-drv.h"
#include "iwl-trans.h"
-#include "iwl-shared.h"
#include "iwl-op-mode.h"
#include "iwl-agn-hw.h"
+#include "iwl-fw.h"
+#include "iwl-config.h"
+#include "iwl-modparams.h"
/* private includes */
#include "iwl-fw-file.h"
@@ -77,8 +79,10 @@
/**
* struct iwl_drv - drv common data
* @fw: the iwl_fw structure
- * @shrd: pointer to common shared 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
@@ -86,8 +90,10 @@
struct iwl_drv {
struct iwl_fw fw;
- struct iwl_shared *shrd;
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[25]; /* name of firmware file to load */
@@ -110,7 +116,7 @@ struct fw_sec {
static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
{
if (desc->v_addr)
- dma_free_coherent(trans(drv)->dev, desc->len,
+ dma_free_coherent(drv->trans->dev, desc->len,
desc->v_addr, desc->p_addr);
desc->v_addr = NULL;
desc->len = 0;
@@ -138,7 +144,7 @@ static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
return -EINVAL;
}
- desc->v_addr = dma_alloc_coherent(trans(drv)->dev, sec->size,
+ desc->v_addr = dma_alloc_coherent(drv->trans->dev, sec->size,
&desc->p_addr, GFP_KERNEL);
if (!desc->v_addr)
return -ENOMEM;
@@ -156,8 +162,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context);
static int iwl_request_firmware(struct iwl_drv *drv, bool first)
{
- const struct iwl_cfg *cfg = cfg(drv);
- const char *name_pre = cfg->fw_name_pre;
+ const char *name_pre = drv->cfg->fw_name_pre;
char tag[8];
if (first) {
@@ -166,14 +171,14 @@ static int iwl_request_firmware(struct iwl_drv *drv, bool first)
strcpy(tag, UCODE_EXPERIMENTAL_TAG);
} else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
#endif
- drv->fw_index = cfg->ucode_api_max;
+ 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 < cfg->ucode_api_min) {
+ if (drv->fw_index < drv->cfg->ucode_api_min) {
IWL_ERR(drv, "no suitable firmware found!\n");
return -ENOENT;
}
@@ -186,7 +191,7 @@ static int iwl_request_firmware(struct iwl_drv *drv, bool first)
drv->firmware_name);
return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
- trans(drv)->dev,
+ drv->trans->dev,
GFP_KERNEL, drv, iwl_ucode_callback);
}
@@ -725,14 +730,13 @@ static int validate_sec_sizes(struct iwl_drv *drv,
static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
{
struct iwl_drv *drv = context;
- const struct iwl_cfg *cfg = cfg(drv);
struct iwl_fw *fw = &drv->fw;
struct iwl_ucode_header *ucode;
int err;
struct iwl_firmware_pieces pieces;
- const unsigned int api_max = cfg->ucode_api_max;
- unsigned int api_ok = cfg->ucode_api_ok;
- const unsigned int api_min = cfg->ucode_api_min;
+ 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;
@@ -811,7 +815,7 @@ static void iwl_ucode_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, cfg))
+ if (!fw->mvm_fw && validate_sec_sizes(drv, &pieces, drv->cfg))
goto try_again;
/* Allocate ucode buffers for card's bus-master loading ... */
@@ -835,14 +839,14 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
fw->init_evtlog_size = (pieces.init_evtlog_size - 16)/12;
else
fw->init_evtlog_size =
- cfg->base_params->max_event_log_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 =
- cfg->base_params->max_event_log_size;
+ drv->cfg->base_params->max_event_log_size;
fw->inst_errlog_ptr = pieces.inst_errlog_ptr;
/*
@@ -858,7 +862,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
release_firmware(ucode_raw);
complete(&drv->request_firmware_complete);
- drv->op_mode = iwl_dvm_ops.start(drv->shrd->trans, &drv->fw);
+ drv->op_mode = iwl_dvm_ops.start(drv->trans, drv->cfg, &drv->fw);
if (!drv->op_mode)
goto out_unbind;
@@ -878,24 +882,23 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
release_firmware(ucode_raw);
out_unbind:
complete(&drv->request_firmware_complete);
- device_release_driver(trans(drv)->dev);
+ device_release_driver(drv->trans->dev);
}
-int iwl_drv_start(struct iwl_shared *shrd,
- struct iwl_trans *trans, const struct iwl_cfg *cfg)
+struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
+ const struct iwl_cfg *cfg)
{
struct iwl_drv *drv;
int ret;
- shrd->cfg = cfg;
-
drv = kzalloc(sizeof(*drv), GFP_KERNEL);
if (!drv) {
dev_printk(KERN_ERR, trans->dev, "Couldn't allocate iwl_drv");
- return -ENOMEM;
+ return NULL;
}
- drv->shrd = shrd;
- shrd->drv = drv;
+ drv->trans = trans;
+ drv->dev = trans->dev;
+ drv->cfg = cfg;
init_completion(&drv->request_firmware_complete);
@@ -904,16 +907,14 @@ int iwl_drv_start(struct iwl_shared *shrd,
if (ret) {
dev_printk(KERN_ERR, trans->dev, "Couldn't request the fw");
kfree(drv);
- shrd->drv = NULL;
+ drv = NULL;
}
- return ret;
+ return drv;
}
-void iwl_drv_stop(struct iwl_shared *shrd)
+void iwl_drv_stop(struct iwl_drv *drv)
{
- struct iwl_drv *drv = shrd->drv;
-
wait_for_completion(&drv->request_firmware_complete);
/* op_mode can be NULL if its start failed */
@@ -923,5 +924,91 @@ void iwl_drv_stop(struct iwl_shared *shrd)
iwl_dealloc_ucode(drv);
kfree(drv);
- shrd->drv = NULL;
}
+
+
+/* shared module parameters */
+struct iwl_mod_params iwlwifi_mod_params = {
+ .amsdu_size_8K = 1,
+ .restart_fw = 1,
+ .plcp_check = true,
+ .bt_coex_active = true,
+ .power_level = IWL_POWER_INDEX_1,
+ .bt_ch_announce = true,
+ .auto_agg = true,
+ /* the rest are 0 by default */
+};
+
+#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: agg TX, 4: agg RX");
+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");
+module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, int, S_IRUGO);
+MODULE_PARM_DESC(fw_restart, "restart firmware in case of error");
+
+module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
+ int, S_IRUGO);
+MODULE_PARM_DESC(antenna_coupling,
+ "specify antenna coupling in dB (defualt: 0 dB)");
+
+module_param_named(bt_ch_inhibition, iwlwifi_mod_params.bt_ch_announce,
+ bool, S_IRUGO);
+MODULE_PARM_DESC(bt_ch_inhibition,
+ "Enable BT channel inhibition (default: enable)");
+
+module_param_named(plcp_check, iwlwifi_mod_params.plcp_check, bool, S_IRUGO);
+MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])");
+
+module_param_named(wd_disable, iwlwifi_mod_params.wd_disable, int, S_IRUGO);
+MODULE_PARM_DESC(wd_disable,
+ "Disable stuck queue watchdog timer 0=system default, "
+ "1=disable, 2=enable (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, 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(auto_agg, iwlwifi_mod_params.auto_agg,
+ bool, S_IRUGO);
+MODULE_PARM_DESC(auto_agg,
+ "enable agg w/o check traffic load (default: enable)");