diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 232 |
1 files changed, 60 insertions, 172 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 7888250117d..b3c263d2724 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -108,79 +108,6 @@ static void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt) } /** - * iwl_check_rxon_cmd - validate RXON structure is valid - * - * NOTE: This is really only useful during development and can eventually - * be #ifdef'd out once the driver is stable and folks aren't actively - * making changes - */ -static int iwl_check_rxon_cmd(struct iwl_rxon_cmd *rxon) -{ - int error = 0; - int counter = 1; - - if (rxon->flags & RXON_FLG_BAND_24G_MSK) { - error |= le32_to_cpu(rxon->flags & - (RXON_FLG_TGJ_NARROW_BAND_MSK | - RXON_FLG_RADAR_DETECT_MSK)); - if (error) - IWL_WARNING("check 24G fields %d | %d\n", - counter++, error); - } else { - error |= (rxon->flags & RXON_FLG_SHORT_SLOT_MSK) ? - 0 : le32_to_cpu(RXON_FLG_SHORT_SLOT_MSK); - if (error) - IWL_WARNING("check 52 fields %d | %d\n", - counter++, error); - error |= le32_to_cpu(rxon->flags & RXON_FLG_CCK_MSK); - if (error) - IWL_WARNING("check 52 CCK %d | %d\n", - counter++, error); - } - error |= (rxon->node_addr[0] | rxon->bssid_addr[0]) & 0x1; - if (error) - IWL_WARNING("check mac addr %d | %d\n", counter++, error); - - /* make sure basic rates 6Mbps and 1Mbps are supported */ - error |= (((rxon->ofdm_basic_rates & IWL_RATE_6M_MASK) == 0) && - ((rxon->cck_basic_rates & IWL_RATE_1M_MASK) == 0)); - if (error) - IWL_WARNING("check basic rate %d | %d\n", counter++, error); - - error |= (le16_to_cpu(rxon->assoc_id) > 2007); - if (error) - IWL_WARNING("check assoc id %d | %d\n", counter++, error); - - error |= ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK)) - == (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK)); - if (error) - IWL_WARNING("check CCK and short slot %d | %d\n", - counter++, error); - - error |= ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK)) - == (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK)); - if (error) - IWL_WARNING("check CCK & auto detect %d | %d\n", - counter++, error); - - error |= ((rxon->flags & (RXON_FLG_AUTO_DETECT_MSK | - RXON_FLG_TGG_PROTECT_MSK)) == RXON_FLG_TGG_PROTECT_MSK); - if (error) - IWL_WARNING("check TGG and auto detect %d | %d\n", - counter++, error); - - if (error) - IWL_WARNING("Tuning to channel %d\n", - le16_to_cpu(rxon->channel)); - - if (error) { - IWL_ERROR("Not a valid iwl_rxon_assoc_cmd field values\n"); - return -1; - } - return 0; -} - -/** * iwl_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed * @priv: staging_rxon is compared to active_rxon * @@ -252,7 +179,7 @@ static int iwl_commit_rxon(struct iwl_priv *priv) * 5000, but will not damage 4965 */ priv->staging_rxon.flags |= RXON_FLG_SELF_CTS_EN; - ret = iwl_check_rxon_cmd(&priv->staging_rxon); + ret = iwl_agn_check_rxon_cmd(&priv->staging_rxon); if (ret) { IWL_ERROR("Invalid RXON configuration. Not committing.\n"); return -EINVAL; @@ -1328,13 +1255,6 @@ static void iwl_print_rx_config_cmd(struct iwl_priv *priv) } #endif -static void iwl_enable_interrupts(struct iwl_priv *priv) -{ - IWL_DEBUG_ISR("Enabling interrupts\n"); - set_bit(STATUS_INT_ENABLED, &priv->status); - iwl_write32(priv, CSR_INT_MASK, CSR_INI_SET_MASK); -} - /* call this function to flush any scheduled tasklet */ static inline void iwl_synchronize_irq(struct iwl_priv *priv) { @@ -1343,21 +1263,6 @@ static inline void iwl_synchronize_irq(struct iwl_priv *priv) tasklet_kill(&priv->irq_tasklet); } -static inline void iwl_disable_interrupts(struct iwl_priv *priv) -{ - clear_bit(STATUS_INT_ENABLED, &priv->status); - - /* disable interrupts from uCode/NIC to host */ - iwl_write32(priv, CSR_INT_MASK, 0x00000000); - - /* acknowledge/clear/reset any interrupts still pending - * from uCode or flow handler (Rx/Tx DMA) */ - iwl_write32(priv, CSR_INT, 0xffffffff); - iwl_write32(priv, CSR_FH_INT_STATUS, 0xffffffff); - IWL_DEBUG_ISR("Disabled interrupts\n"); -} - - /** * iwl_irq_handle_error - called for HW or SW error interrupt from card */ @@ -1608,7 +1513,7 @@ static irqreturn_t iwl_isr(int irq, void *data) if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) { /* Hardware disappeared. It might have already raised * an interrupt */ - IWL_WARNING("HARDWARE GONE?? INTA == 0x%080x\n", inta); + IWL_WARNING("HARDWARE GONE?? INTA == 0x%08x\n", inta); goto unplugged; } @@ -1665,24 +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 ver, 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)) { @@ -1694,14 +1615,40 @@ static int iwl_read_ucode(struct iwl_priv *priv) /* Data from ucode file: header followed by uCode images */ ucode = (void *)ucode_raw->data; - ver = le32_to_cpu(ucode->ver); + 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 = 0x%x\n", 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 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", @@ -3675,68 +3622,6 @@ static ssize_t show_power_level(struct device *d, static DEVICE_ATTR(power_level, S_IWUSR | S_IRUSR, show_power_level, store_power_level); -static ssize_t show_channels(struct device *d, - struct device_attribute *attr, char *buf) -{ - - struct iwl_priv *priv = dev_get_drvdata(d); - struct ieee80211_channel *channels = NULL; - const struct ieee80211_supported_band *supp_band = NULL; - int len = 0, i; - int count = 0; - - if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status)) - return -EAGAIN; - - supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); - channels = supp_band->channels; - count = supp_band->n_channels; - - len += sprintf(&buf[len], - "Displaying %d channels in 2.4GHz band " - "(802.11bg):\n", count); - - for (i = 0; i < count; i++) - len += sprintf(&buf[len], "%d: %ddBm: BSS%s%s, %s.\n", - ieee80211_frequency_to_channel( - channels[i].center_freq), - channels[i].max_power, - channels[i].flags & IEEE80211_CHAN_RADAR ? - " (IEEE 802.11h required)" : "", - (!(channels[i].flags & IEEE80211_CHAN_NO_IBSS) - || (channels[i].flags & - IEEE80211_CHAN_RADAR)) ? "" : - ", IBSS", - channels[i].flags & - IEEE80211_CHAN_PASSIVE_SCAN ? - "passive only" : "active/passive"); - - supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); - channels = supp_band->channels; - count = supp_band->n_channels; - - len += sprintf(&buf[len], "Displaying %d channels in 5.2GHz band " - "(802.11a):\n", count); - - for (i = 0; i < count; i++) - len += sprintf(&buf[len], "%d: %ddBm: BSS%s%s, %s.\n", - ieee80211_frequency_to_channel( - channels[i].center_freq), - channels[i].max_power, - channels[i].flags & IEEE80211_CHAN_RADAR ? - " (IEEE 802.11h required)" : "", - ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) - || (channels[i].flags & - IEEE80211_CHAN_RADAR)) ? "" : - ", IBSS", - channels[i].flags & - IEEE80211_CHAN_PASSIVE_SCAN ? - "passive only" : "active/passive"); - - return len; -} - -static DEVICE_ATTR(channels, S_IRUSR, show_channels, NULL); static ssize_t show_statistics(struct device *d, struct device_attribute *attr, char *buf) @@ -3836,7 +3721,6 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv) } static struct attribute *iwl_sysfs_entries[] = { - &dev_attr_channels.attr, &dev_attr_flags.attr, &dev_attr_filter_flags.attr, &dev_attr_power_level.attr, @@ -4210,7 +4094,11 @@ static struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x423A, 0x1001, iwl5350_agn_cfg)}, {IWL_PCI_DEVICE(0x423A, 0x1021, iwl5350_agn_cfg)}, {IWL_PCI_DEVICE(0x423B, 0x1011, iwl5350_agn_cfg)}, +/* 5150 Wifi/WiMax */ + {IWL_PCI_DEVICE(0x423C, PCI_ANY_ID, iwl5150_agn_cfg)}, + {IWL_PCI_DEVICE(0x423D, PCI_ANY_ID, iwl5150_agn_cfg)}, #endif /* CONFIG_IWL5000 */ + {0} }; MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids); |