diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-drv.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-drv.c | 151 |
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 17485e71542..05302d6f989 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)"); |