#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/firmware.h>
+#include <linux/suspend.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <linux/ieee80211.h>
};
const static struct fw_info orinoco_fw[] = {
- { "", "agere_sta_fw.bin", "agere_ap_fw.bin", 0x00390000, 1000 },
- { "", "prism_sta_fw.bin", "prism_ap_fw.bin", 0, 1024 },
- { "symbol_sp24t_prim_fw", "symbol_sp24t_sec_fw", "", 0x00003100, 512 }
+ { NULL, "agere_sta_fw.bin", "agere_ap_fw.bin", 0x00390000, 1000 },
+ { NULL, "prism_sta_fw.bin", "prism_ap_fw.bin", 0, 1024 },
+ { "symbol_sp24t_prim_fw", "symbol_sp24t_sec_fw", NULL, 0x00003100, 512 }
};
/* Structure used to access fields in FW
if (err)
goto free;
- if (priv->cached_fw)
- fw_entry = priv->cached_fw;
- else {
+ if (!priv->cached_fw) {
err = request_firmware(&fw_entry, firmware, priv->dev);
+
if (err) {
printk(KERN_ERR "%s: Cannot find firmware %s\n",
dev->name, firmware);
err = -ENOENT;
goto free;
}
- priv->cached_fw = fw_entry;
- }
+ } else
+ fw_entry = priv->cached_fw;
hdr = (const struct orinoco_fw_header *) fw_entry->data;
dev->name, hermes_present(hw));
abort:
- /* In case of error, assume firmware was bogus and release it */
- if (err) {
- priv->cached_fw = NULL;
+ /* If we requested the firmware, release it. */
+ if (!priv->cached_fw)
release_firmware(fw_entry);
- }
free:
kfree(pda);
int ret;
const struct firmware *fw_entry;
- if (request_firmware(&fw_entry, fw->pri_fw,
- priv->dev) != 0) {
- printk(KERN_ERR "%s: Cannot find firmware: %s\n",
- dev->name, fw->pri_fw);
- return -ENOENT;
- }
+ if (!priv->cached_pri_fw) {
+ if (request_firmware(&fw_entry, fw->pri_fw, priv->dev) != 0) {
+ printk(KERN_ERR "%s: Cannot find firmware: %s\n",
+ dev->name, fw->pri_fw);
+ return -ENOENT;
+ }
+ } else
+ fw_entry = priv->cached_pri_fw;
/* Load primary firmware */
ret = symbol_dl_image(priv, fw, fw_entry->data,
fw_entry->data + fw_entry->size, 0);
- release_firmware(fw_entry);
+
+ if (!priv->cached_pri_fw)
+ release_firmware(fw_entry);
if (ret) {
printk(KERN_ERR "%s: Primary firmware download failed\n",
dev->name);
return ret;
}
- if (request_firmware(&fw_entry, fw->sta_fw,
- priv->dev) != 0) {
- printk(KERN_ERR "%s: Cannot find firmware: %s\n",
- dev->name, fw->sta_fw);
- return -ENOENT;
- }
+ if (!priv->cached_fw) {
+ if (request_firmware(&fw_entry, fw->sta_fw, priv->dev) != 0) {
+ printk(KERN_ERR "%s: Cannot find firmware: %s\n",
+ dev->name, fw->sta_fw);
+ return -ENOENT;
+ }
+ } else
+ fw_entry = priv->cached_fw;
/* Load secondary firmware */
ret = symbol_dl_image(priv, fw, fw_entry->data,
fw_entry->data + fw_entry->size, 1);
- release_firmware(fw_entry);
+ if (!priv->cached_fw)
+ release_firmware(fw_entry);
if (ret) {
printk(KERN_ERR "%s: Secondary firmware download failed\n",
dev->name);
return err;
}
+#if defined(CONFIG_HERMES_CACHE_FW_ON_INIT) || defined(CONFIG_PM_SLEEP)
+static void orinoco_cache_fw(struct orinoco_private *priv, int ap)
+{
+ const struct firmware *fw_entry = NULL;
+ const char *pri_fw;
+ const char *fw;
+
+ pri_fw = orinoco_fw[priv->firmware_type].pri_fw;
+ if (ap)
+ fw = orinoco_fw[priv->firmware_type].ap_fw;
+ else
+ fw = orinoco_fw[priv->firmware_type].sta_fw;
+
+ if (pri_fw) {
+ if (request_firmware(&fw_entry, pri_fw, priv->dev) == 0)
+ priv->cached_pri_fw = fw_entry;
+ }
+
+ if (fw) {
+ if (request_firmware(&fw_entry, fw, priv->dev) == 0)
+ priv->cached_fw = fw_entry;
+ }
+}
+
+static void orinoco_uncache_fw(struct orinoco_private *priv)
+{
+ if (priv->cached_pri_fw)
+ release_firmware(priv->cached_pri_fw);
+ if (priv->cached_fw)
+ release_firmware(priv->cached_fw);
+
+ priv->cached_pri_fw = NULL;
+ priv->cached_fw = NULL;
+}
+#else
+#define orinoco_cache_fw(priv, ap)
+#define orinoco_uncache_fw(priv)
+#endif
+
/********************************************************************/
/* Device methods */
/********************************************************************/
wstats->qual.qual = (int)le16_to_cpu(cq.qual);
wstats->qual.level = (int)le16_to_cpu(cq.signal) - 0x95;
wstats->qual.noise = (int)le16_to_cpu(cq.noise) - 0x95;
- wstats->qual.updated = 7;
+ wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
}
}
wstats.level = level - 0x95;
wstats.noise = noise - 0x95;
wstats.qual = (level > noise) ? (level - noise) : 0;
- wstats.updated = 7;
+ wstats.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
/* Update spy records */
wireless_spy_update(dev, mac, &wstats);
}
struct orinoco_rx_data *rx_data, *temp;
struct hermes_rx_descriptor *desc;
struct sk_buff *skb;
+ unsigned long flags;
+
+ /* orinoco_rx requires the driver lock, and we also need to
+ * protect priv->rx_list, so just hold the lock over the
+ * lot.
+ *
+ * If orinoco_lock fails, we've unplugged the card. In this
+ * case just abort. */
+ if (orinoco_lock(priv, &flags) != 0)
+ return;
/* extract desc and skb from queue */
list_for_each_entry_safe(rx_data, temp, &priv->rx_list, list) {
kfree(desc);
}
+
+ orinoco_unlock(priv, &flags);
}
/********************************************************************/
union iwreq_data wrqu;
int err;
- err = hermes_read_ltv(hw, IRQ_BAP, HERMES_RID_CURRENTBSSID,
+ err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENTBSSID,
ETH_ALEN, NULL, wrqu.ap_addr.sa_data);
if (err != 0)
return;
if (!priv->has_wpa)
return;
- err = hermes_read_ltv(hw, IRQ_BAP, HERMES_RID_CURRENT_ASSOC_REQ_INFO,
+ err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENT_ASSOC_REQ_INFO,
sizeof(buf), NULL, &buf);
if (err != 0)
return;
if (!priv->has_wpa)
return;
- err = hermes_read_ltv(hw, IRQ_BAP, HERMES_RID_CURRENT_ASSOC_RESP_INFO,
+ err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENT_ASSOC_RESP_INFO,
sizeof(buf), NULL, &buf);
if (err != 0)
return;
return IRQ_HANDLED;
}
+/********************************************************************/
+/* Power management */
+/********************************************************************/
+#if defined(CONFIG_PM_SLEEP) && !defined(CONFIG_HERMES_CACHE_FW_ON_INIT)
+static int orinoco_pm_notifier(struct notifier_block *notifier,
+ unsigned long pm_event,
+ void *unused)
+{
+ struct orinoco_private *priv = container_of(notifier,
+ struct orinoco_private,
+ pm_notifier);
+
+ /* All we need to do is cache the firmware before suspend, and
+ * release it when we come out.
+ *
+ * Only need to do this if we're downloading firmware. */
+ if (!priv->do_fw_download)
+ return NOTIFY_DONE;
+
+ switch (pm_event) {
+ case PM_HIBERNATION_PREPARE:
+ case PM_SUSPEND_PREPARE:
+ orinoco_cache_fw(priv, 0);
+ break;
+
+ case PM_POST_RESTORE:
+ /* Restore from hibernation failed. We need to clean
+ * up in exactly the same way, so fall through. */
+ case PM_POST_HIBERNATION:
+ case PM_POST_SUSPEND:
+ orinoco_uncache_fw(priv);
+ break;
+
+ case PM_RESTORE_PREPARE:
+ default:
+ break;
+ }
+
+ return NOTIFY_DONE;
+}
+#else /* !PM_SLEEP || HERMES_CACHE_FW_ON_INIT */
+#define orinoco_pm_notifier NULL
+#endif
+
/********************************************************************/
/* Initialization */
/********************************************************************/
}
if (priv->do_fw_download) {
+#ifdef CONFIG_HERMES_CACHE_FW_ON_INIT
+ orinoco_cache_fw(priv, 0);
+#endif
+
err = orinoco_download(priv);
if (err)
priv->do_fw_download = 0;
netif_carrier_off(dev);
priv->last_linkstatus = 0xffff;
+ priv->cached_pri_fw = NULL;
priv->cached_fw = NULL;
+ /* Register PM notifiers */
+ priv->pm_notifier.notifier_call = orinoco_pm_notifier;
+ register_pm_notifier(&priv->pm_notifier);
+
return dev;
}
void free_orinocodev(struct net_device *dev)
{
struct orinoco_private *priv = netdev_priv(dev);
+ struct orinoco_rx_data *rx_data, *temp;
- /* No need to empty priv->rx_list: if the tasklet is scheduled
- * when we call tasklet_kill it will run one final time,
- * emptying the list */
+ /* If the tasklet is scheduled when we call tasklet_kill it
+ * will run one final time. However the tasklet will only
+ * drain priv->rx_list if the hw is still available. */
tasklet_kill(&priv->rx_tasklet);
- if (priv->cached_fw)
- release_firmware(priv->cached_fw);
- priv->cached_fw = NULL;
+
+ /* Explicitly drain priv->rx_list */
+ list_for_each_entry_safe(rx_data, temp, &priv->rx_list, list) {
+ list_del(&rx_data->list);
+
+ dev_kfree_skb(rx_data->skb);
+ kfree(rx_data->desc);
+ kfree(rx_data);
+ }
+
+ unregister_pm_notifier(&priv->pm_notifier);
+ orinoco_uncache_fw(priv);
+
priv->wpa_ie_len = 0;
kfree(priv->wpa_ie);
orinoco_mic_free(priv);
projects / linux-2.6-omap-h63xx.git / blobdiff