summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/iwlwifi/iwl-agn.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c232
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 7888250117dc..b3c263d2724f 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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-23 06:33:35 +0000