diff options
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-3945-core.h | 26 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-3945.c | 8 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-3945.h | 14 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-4965.c | 21 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-5000.c | 46 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 62 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.h | 32 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl3945-base.c | 64 |
8 files changed, 217 insertions, 56 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-core.h b/drivers/net/wireless/iwlwifi/iwl-3945-core.h index bc12f97ba0b..edac6c6a911 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945-core.h @@ -71,9 +71,33 @@ #define IWL_SKU_G 0x1 #define IWL_SKU_A 0x2 +/** + * struct iwl_3945_cfg + * @fw_name_pre: Firmware filename prefix. The api version and extension + * (.ucode) will be added to filename before loading from disk. The + * filename is constructed as fw_name_pre<api>.ucode. + * @ucode_api_max: Highest version of uCode API supported by driver. + * @ucode_api_min: Lowest version of uCode API supported by driver. + * + * We enable the driver to be backward compatible wrt API version. The + * driver specifies which APIs it supports (with @ucode_api_max being the + * highest and @ucode_api_min the lowest). Firmware will only be loaded if + * it has a supported API version. The firmware's API version will be + * stored in @iwl_priv, enabling the driver to make runtime changes based + * on firmware version used. + * + * For example, + * if (IWL_UCODE_API(priv->ucode_ver) >= 2) { + * Driver interacts with Firmware API version >= 2. + * } else { + * Driver interacts with Firmware API version 1. + * } + */ struct iwl_3945_cfg { const char *name; - const char *fw_name; + const char *fw_name_pre; + const unsigned int ucode_api_max; + const unsigned int ucode_api_min; unsigned int sku; }; diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index d95a15fc260..4e6b7154c22 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -2508,13 +2508,17 @@ void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv) static struct iwl_3945_cfg iwl3945_bg_cfg = { .name = "3945BG", - .fw_name = "iwlwifi-3945" IWL3945_UCODE_API ".ucode", + .fw_name_pre = IWL3945_FW_PRE, + .ucode_api_max = IWL3945_UCODE_API_MAX, + .ucode_api_min = IWL3945_UCODE_API_MIN, .sku = IWL_SKU_G, }; static struct iwl_3945_cfg iwl3945_abg_cfg = { .name = "3945ABG", - .fw_name = "iwlwifi-3945" IWL3945_UCODE_API ".ucode", + .fw_name_pre = IWL3945_FW_PRE, + .ucode_api_max = IWL3945_UCODE_API_MAX, + .ucode_api_min = IWL3945_UCODE_API_MIN, .sku = IWL_SKU_A|IWL_SKU_G, }; diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h index 972c4542e5b..d6502b426a0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945.h @@ -50,11 +50,15 @@ extern struct pci_device_id iwl3945_hw_card_ids[]; #include "iwl-3945-debug.h" #include "iwl-3945-led.h" -/* Change firmware file name, using "-" and incrementing number, - * *only* when uCode interface or architecture changes so that it - * is not compatible with earlier drivers. - * This number will also appear in << 8 position of 1st dword of uCode file */ -#define IWL3945_UCODE_API "-1" +/* Highest firmware API version supported */ +#define IWL3945_UCODE_API_MAX 1 + +/* Lowest firmware API version supported */ +#define IWL3945_UCODE_API_MIN 1 + +#define IWL3945_FW_PRE "iwlwifi-3945-" +#define _IWL3945_MODULE_FIRMWARE(api) IWL3945_FW_PRE #api ".ucode" +#define IWL3945_MODULE_FIRMWARE(api) _IWL3945_MODULE_FIRMWARE(api) /* Default noise level to report when noise measurement is not available. * This may be because we're: diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index 93d3df87fda..87c7bb0d504 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -48,12 +48,15 @@ static int iwl4965_send_tx_power(struct iwl_priv *priv); static int iwl4965_hw_get_temperature(const struct iwl_priv *priv); -/* Change firmware file name, using "-" and incrementing number, - * *only* when uCode interface or architecture changes so that it - * is not compatible with earlier drivers. - * This number will also appear in << 8 position of 1st dword of uCode file */ -#define IWL4965_UCODE_API "-2" -#define IWL4965_MODULE_FIRMWARE "iwlwifi-4965" IWL4965_UCODE_API ".ucode" +/* Highest firmware API version supported */ +#define IWL4965_UCODE_API_MAX 2 + +/* Lowest firmware API version supported */ +#define IWL4965_UCODE_API_MIN 2 + +#define IWL4965_FW_PRE "iwlwifi-4965-" +#define _IWL4965_MODULE_FIRMWARE(api) IWL4965_FW_PRE #api ".ucode" +#define IWL4965_MODULE_FIRMWARE(api) _IWL4965_MODULE_FIRMWARE(api) /* module parameters */ @@ -2336,7 +2339,9 @@ static struct iwl_ops iwl4965_ops = { struct iwl_cfg iwl4965_agn_cfg = { .name = "4965AGN", - .fw_name = IWL4965_MODULE_FIRMWARE, + .fw_name_pre = IWL4965_FW_PRE, + .ucode_api_max = IWL4965_UCODE_API_MAX, + .ucode_api_min = IWL4965_UCODE_API_MIN, .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, .eeprom_size = IWL4965_EEPROM_IMG_SIZE, .eeprom_ver = EEPROM_4965_EEPROM_VERSION, @@ -2346,7 +2351,7 @@ struct iwl_cfg iwl4965_agn_cfg = { }; /* Module firmware */ -MODULE_FIRMWARE(IWL4965_MODULE_FIRMWARE); +MODULE_FIRMWARE(IWL4965_MODULE_FIRMWARE(IWL4965_UCODE_API_MAX)); module_param_named(antenna, iwl4965_mod_params.antenna, int, 0444); MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])"); diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index f7a8df8dcaa..438e4bd0a9a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -44,11 +44,21 @@ #include "iwl-helpers.h" #include "iwl-5000-hw.h" -#define IWL5000_UCODE_API "-1" -#define IWL5150_UCODE_API "-1" +/* Highest firmware API version supported */ +#define IWL5000_UCODE_API_MAX 1 +#define IWL5150_UCODE_API_MAX 1 -#define IWL5000_MODULE_FIRMWARE "iwlwifi-5000" IWL5000_UCODE_API ".ucode" -#define IWL5150_MODULE_FIRMWARE "iwlwifi-5150" IWL5150_UCODE_API ".ucode" +/* Lowest firmware API version supported */ +#define IWL5000_UCODE_API_MIN 1 +#define IWL5150_UCODE_API_MIN 1 + +#define IWL5000_FW_PRE "iwlwifi-5000-" +#define _IWL5000_MODULE_FIRMWARE(api) IWL5000_FW_PRE #api ".ucode" +#define IWL5000_MODULE_FIRMWARE(api) _IWL5000_MODULE_FIRMWARE(api) + +#define IWL5150_FW_PRE "iwlwifi-5150-" +#define _IWL5150_MODULE_FIRMWARE(api) IWL5150_FW_PRE #api ".ucode" +#define IWL5150_MODULE_FIRMWARE(api) _IWL5150_MODULE_FIRMWARE(api) static const u16 iwl5000_default_queue_to_tx_fifo[] = { IWL_TX_FIFO_AC3, @@ -1532,7 +1542,9 @@ static struct iwl_mod_params iwl50_mod_params = { struct iwl_cfg iwl5300_agn_cfg = { .name = "5300AGN", - .fw_name = IWL5000_MODULE_FIRMWARE, + .fw_name_pre = IWL5000_FW_PRE, + .ucode_api_max = IWL5000_UCODE_API_MAX, + .ucode_api_min = IWL5000_UCODE_API_MIN, .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, .ops = &iwl5000_ops, .eeprom_size = IWL_5000_EEPROM_IMG_SIZE, @@ -1543,7 +1555,9 @@ struct iwl_cfg iwl5300_agn_cfg = { struct iwl_cfg iwl5100_bg_cfg = { .name = "5100BG", - .fw_name = IWL5000_MODULE_FIRMWARE, + .fw_name_pre = IWL5000_FW_PRE, + .ucode_api_max = IWL5000_UCODE_API_MAX, + .ucode_api_min = IWL5000_UCODE_API_MIN, .sku = IWL_SKU_G, .ops = &iwl5000_ops, .eeprom_size = IWL_5000_EEPROM_IMG_SIZE, @@ -1554,7 +1568,9 @@ struct iwl_cfg iwl5100_bg_cfg = { struct iwl_cfg iwl5100_abg_cfg = { .name = "5100ABG", - .fw_name = IWL5000_MODULE_FIRMWARE, + .fw_name_pre = IWL5000_FW_PRE, + .ucode_api_max = IWL5000_UCODE_API_MAX, + .ucode_api_min = IWL5000_UCODE_API_MIN, .sku = IWL_SKU_A|IWL_SKU_G, .ops = &iwl5000_ops, .eeprom_size = IWL_5000_EEPROM_IMG_SIZE, @@ -1565,7 +1581,9 @@ struct iwl_cfg iwl5100_abg_cfg = { struct iwl_cfg iwl5100_agn_cfg = { .name = "5100AGN", - .fw_name = IWL5000_MODULE_FIRMWARE, + .fw_name_pre = IWL5000_FW_PRE, + .ucode_api_max = IWL5000_UCODE_API_MAX, + .ucode_api_min = IWL5000_UCODE_API_MIN, .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, .ops = &iwl5000_ops, .eeprom_size = IWL_5000_EEPROM_IMG_SIZE, @@ -1576,7 +1594,9 @@ struct iwl_cfg iwl5100_agn_cfg = { struct iwl_cfg iwl5350_agn_cfg = { .name = "5350AGN", - .fw_name = IWL5000_MODULE_FIRMWARE, + .fw_name_pre = IWL5000_FW_PRE, + .ucode_api_max = IWL5000_UCODE_API_MAX, + .ucode_api_min = IWL5000_UCODE_API_MIN, .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, .ops = &iwl5000_ops, .eeprom_size = IWL_5000_EEPROM_IMG_SIZE, @@ -1587,7 +1607,9 @@ struct iwl_cfg iwl5350_agn_cfg = { struct iwl_cfg iwl5150_agn_cfg = { .name = "5150AGN", - .fw_name = IWL5150_MODULE_FIRMWARE, + .fw_name_pre = IWL5150_FW_PRE, + .ucode_api_max = IWL5150_UCODE_API_MAX, + .ucode_api_min = IWL5150_UCODE_API_MIN, .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, .ops = &iwl5000_ops, .eeprom_size = IWL_5000_EEPROM_IMG_SIZE, @@ -1596,8 +1618,8 @@ struct iwl_cfg iwl5150_agn_cfg = { .mod_params = &iwl50_mod_params, }; -MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE); -MODULE_FIRMWARE(IWL5150_MODULE_FIRMWARE); +MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX)); +MODULE_FIRMWARE(IWL5150_MODULE_FIRMWARE(IWL5150_UCODE_API_MAX)); module_param_named(disable50, iwl50_mod_params.disable, int, 0444); MODULE_PARM_DESC(disable50, diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 5912cdec33a..b3c263d2724 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -1570,24 +1570,40 @@ static void iwl_nic_start(struct iwl_priv *priv) static int iwl_read_ucode(struct iwl_priv *priv) { struct iwl_ucode *ucode; - int ret; + int ret = -EINVAL, index; const struct firmware *ucode_raw; - const char *name = priv->cfg->fw_name; + const char *name_pre = priv->cfg->fw_name_pre; + const unsigned int api_max = priv->cfg->ucode_api_max; + const unsigned int api_min = priv->cfg->ucode_api_min; + char buf[25]; u8 *src; size_t len; - u32 inst_size, data_size, init_size, init_data_size, boot_size; + u32 api_ver, inst_size, data_size, init_size, init_data_size, boot_size; /* Ask kernel firmware_class module to get the boot firmware off disk. * request_firmware() is synchronous, file is in memory on return. */ - ret = request_firmware(&ucode_raw, name, &priv->pci_dev->dev); - if (ret < 0) { - IWL_ERROR("%s firmware file req failed: Reason %d\n", - name, ret); - goto error; + for (index = api_max; index >= api_min; index--) { + sprintf(buf, "%s%d%s", name_pre, index, ".ucode"); + ret = request_firmware(&ucode_raw, buf, &priv->pci_dev->dev); + if (ret < 0) { + IWL_ERROR("%s firmware file req failed: Reason %d\n", + buf, ret); + if (ret == -ENOENT) + continue; + else + goto error; + } else { + if (index < api_max) + IWL_ERROR("Loaded firmware %s, which is deprecated. Please use API v%u instead.\n", + buf, api_max); + IWL_DEBUG_INFO("Got firmware '%s' file (%zd bytes) from disk\n", + buf, ucode_raw->size); + break; + } } - IWL_DEBUG_INFO("Got firmware '%s' file (%zd bytes) from disk\n", - name, ucode_raw->size); + if (ret < 0) + goto error; /* Make sure that we got at least our header! */ if (ucode_raw->size < sizeof(*ucode)) { @@ -1600,19 +1616,39 @@ static int iwl_read_ucode(struct iwl_priv *priv) ucode = (void *)ucode_raw->data; priv->ucode_ver = le32_to_cpu(ucode->ver); + api_ver = IWL_UCODE_API(priv->ucode_ver); inst_size = le32_to_cpu(ucode->inst_size); data_size = le32_to_cpu(ucode->data_size); init_size = le32_to_cpu(ucode->init_size); init_data_size = le32_to_cpu(ucode->init_data_size); boot_size = le32_to_cpu(ucode->boot_size); - IWL_DEBUG_INFO("f/w package hdr ucode version raw = 0x%x\n", - priv->ucode_ver); - IWL_DEBUG_INFO("f/w package hdr ucode version = %u.%u.%u.%u\n", + /* 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 firware header from here on forward */ + + if (api_ver < api_min || api_ver > api_max) { + IWL_ERROR("Driver unable to support your firmware API. " + "Driver supports v%u, firmware is v%u.\n", + api_max, api_ver); + priv->ucode_ver = 0; + ret = -EINVAL; + goto err_release; + } + if (api_ver != api_max) + IWL_ERROR("Firmware has old API version. Expected v%u, " + "got v%u. New firmware can be obtained " + "from http://www.intellinuxwireless.org.\n", + api_max, api_ver); + + printk(KERN_INFO DRV_NAME " loaded firmware version %u.%u.%u.%u\n", IWL_UCODE_MAJOR(priv->ucode_ver), IWL_UCODE_MINOR(priv->ucode_ver), IWL_UCODE_API(priv->ucode_ver), IWL_UCODE_SERIAL(priv->ucode_ver)); + + IWL_DEBUG_INFO("f/w package hdr ucode version raw = 0x%x\n", + priv->ucode_ver); IWL_DEBUG_INFO("f/w package hdr runtime inst size = %u\n", inst_size); IWL_DEBUG_INFO("f/w package hdr runtime data size = %u\n", diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index f68883b3246..81ddca07717 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -164,9 +164,39 @@ struct iwl_mod_params { int restart_fw; /* def: 1 = restart firmware */ }; +/** + * struct iwl_cfg + * @fw_name_pre: Firmware filename prefix. The api version and extension + * (.ucode) will be added to filename before loading from disk. The + * filename is constructed as fw_name_pre<api>.ucode. + * @ucode_api_max: Highest version of uCode API supported by driver. + * @ucode_api_min: Lowest version of uCode API supported by driver. + * + * We enable the driver to be backward compatible wrt API version. The + * driver specifies which APIs it supports (with @ucode_api_max being the + * highest and @ucode_api_min the lowest). Firmware will only be loaded if + * it has a supported API version. The firmware's API version will be + * stored in @iwl_priv, enabling the driver to make runtime changes based + * on firmware version used. + * + * For example, + * if (IWL_UCODE_API(priv->ucode_ver) >= 2) { + * Driver interacts with Firmware API version >= 2. + * } else { + * Driver interacts with Firmware API version 1. + * } + * + * The ideal usage of this infrastructure is to treat a new ucode API + * release as a new hardware revision. That is, through utilizing the + * iwl_hcmd_utils_ops etc. we accommodate different command structures + * and flows between hardware versions (4965/5000) as well as their API + * versions. + */ struct iwl_cfg { const char *name; - const char *fw_name; + const char *fw_name_pre; + const unsigned int ucode_api_max; + const unsigned int ucode_api_min; unsigned int sku; int eeprom_size; u16 eeprom_ver; diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 03ff87fbe92..1d3efa9d01b 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -5296,25 +5296,41 @@ static void iwl3945_nic_start(struct iwl3945_priv *priv) static int iwl3945_read_ucode(struct iwl3945_priv *priv) { struct iwl3945_ucode *ucode; - int ret = 0; + int ret = -EINVAL, index; const struct firmware *ucode_raw; /* firmware file name contains uCode/driver compatibility version */ - const char *name = priv->cfg->fw_name; + const char *name_pre = priv->cfg->fw_name_pre; + const unsigned int api_max = priv->cfg->ucode_api_max; + const unsigned int api_min = priv->cfg->ucode_api_min; + char buf[25]; u8 *src; size_t len; - u32 inst_size, data_size, init_size, init_data_size, boot_size; + u32 api_ver, inst_size, data_size, init_size, init_data_size, boot_size; /* Ask kernel firmware_class module to get the boot firmware off disk. * request_firmware() is synchronous, file is in memory on return. */ - ret = request_firmware(&ucode_raw, name, &priv->pci_dev->dev); - if (ret < 0) { - IWL_ERROR("%s firmware file req failed: Reason %d\n", - name, ret); - goto error; + for (index = api_max; index >= api_min; index--) { + sprintf(buf, "%s%u%s", name_pre, index, ".ucode"); + ret = request_firmware(&ucode_raw, buf, &priv->pci_dev->dev); + if (ret < 0) { + IWL_ERROR("%s firmware file req failed: Reason %d\n", + buf, ret); + if (ret == -ENOENT) + continue; + else + goto error; + } else { + if (index < api_max) + IWL_ERROR("Loaded firmware %s, which is deprecated. Please use API v%u instead.\n", + buf, api_max); + IWL_DEBUG_INFO("Got firmware '%s' file (%zd bytes) from disk\n", + buf, ucode_raw->size); + break; + } } - IWL_DEBUG_INFO("Got firmware '%s' file (%zd bytes) from disk\n", - name, ucode_raw->size); + if (ret < 0) + goto error; /* Make sure that we got at least our header! */ if (ucode_raw->size < sizeof(*ucode)) { @@ -5327,25 +5343,45 @@ static int iwl3945_read_ucode(struct iwl3945_priv *priv) ucode = (void *)ucode_raw->data; priv->ucode_ver = le32_to_cpu(ucode->ver); + api_ver = IWL_UCODE_API(priv->ucode_ver); inst_size = le32_to_cpu(ucode->inst_size); data_size = le32_to_cpu(ucode->data_size); init_size = le32_to_cpu(ucode->init_size); init_data_size = le32_to_cpu(ucode->init_data_size); boot_size = le32_to_cpu(ucode->boot_size); - IWL_DEBUG_INFO("f/w package hdr ucode version raw = 0x%x\n", - priv->ucode_ver); - IWL_DEBUG_INFO("f/w package hdr ucode version = %u.%u.%u.%u\n", + /* 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 firware header from here on forward */ + + if (api_ver < api_min || api_ver > api_max) { + IWL_ERROR("Driver unable to support your firmware API. " + "Driver supports v%u, firmware is v%u.\n", + api_max, api_ver); + priv->ucode_ver = 0; + ret = -EINVAL; + goto err_release; + } + if (api_ver != api_max) + IWL_ERROR("Firmware has old API version. Expected %u, " + "got %u. New firmware can be obtained " + "from http://www.intellinuxwireless.org.\n", + api_max, api_ver); + + printk(KERN_INFO DRV_NAME " loaded firmware version %u.%u.%u.%u\n", IWL_UCODE_MAJOR(priv->ucode_ver), IWL_UCODE_MINOR(priv->ucode_ver), IWL_UCODE_API(priv->ucode_ver), IWL_UCODE_SERIAL(priv->ucode_ver)); + IWL_DEBUG_INFO("f/w package hdr ucode version raw = 0x%x\n", + priv->ucode_ver); IWL_DEBUG_INFO("f/w package hdr runtime inst size = %u\n", inst_size); IWL_DEBUG_INFO("f/w package hdr runtime data size = %u\n", data_size); IWL_DEBUG_INFO("f/w package hdr init inst size = %u\n", init_size); IWL_DEBUG_INFO("f/w package hdr init data size = %u\n", init_data_size); IWL_DEBUG_INFO("f/w package hdr boot inst size = %u\n", boot_size); + /* Verify size of file vs. image size info in file's header */ if (ucode_raw->size < sizeof(*ucode) + inst_size + data_size + init_size + @@ -8304,7 +8340,7 @@ static void __exit iwl3945_exit(void) iwl3945_rate_control_unregister(); } -MODULE_FIRMWARE("iwlwifi-3945" IWL3945_UCODE_API ".ucode"); +MODULE_FIRMWARE(IWL3945_MODULE_FIRMWARE(IWL3945_UCODE_API_MAX)); module_param_named(antenna, iwl3945_param_antenna, int, 0444); MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])"); |