#include <linux/if_arp.h>
#include <net/ieee80211_radiotap.h>
-#include <net/lib80211.h>
#include <net/mac80211.h>
#include <asm/div64.h>
tx->timeout.pm_frame_timeout = cpu_to_le16(2);
} else {
tx->timeout.pm_frame_timeout = 0;
-#ifdef CONFIG_IWLWIFI_LEDS
- priv->rxtxpackets += le16_to_cpu(cmd->cmd.tx.len);
-#endif
}
tx->driver_txop = 0;
struct iwl_rx_queue *rxq = &priv->rxq;
struct list_head *element;
struct iwl_rx_mem_buffer *rxb;
+ struct sk_buff *skb;
unsigned long flags;
while (1) {
spin_unlock_irqrestore(&rxq->lock, flags);
return;
}
-
- element = rxq->rx_used.next;
- rxb = list_entry(element, struct iwl_rx_mem_buffer, list);
- list_del(element);
spin_unlock_irqrestore(&rxq->lock, flags);
+ if (rxq->free_count > RX_LOW_WATERMARK)
+ priority |= __GFP_NOWARN;
/* Alloc a new receive buffer */
- rxb->skb =
- alloc_skb(priv->hw_params.rx_buf_size,
- priority);
- if (!rxb->skb) {
+ skb = alloc_skb(priv->hw_params.rx_buf_size, priority);
+ if (!skb) {
if (net_ratelimit())
- IWL_CRIT(priv, ": Can not allocate SKB buffers\n");
+ IWL_DEBUG_INFO(priv, "Failed to allocate SKB buffer.\n");
+ if ((rxq->free_count <= RX_LOW_WATERMARK) &&
+ net_ratelimit())
+ IWL_CRIT(priv, "Failed to allocate SKB buffer with %s. Only %u free buffers remaining.\n",
+ priority == GFP_ATOMIC ? "GFP_ATOMIC" : "GFP_KERNEL",
+ rxq->free_count);
/* We don't reschedule replenish work here -- we will
* call the restock method and if it still needs
* more buffers it will schedule replenish */
break;
}
+ spin_lock_irqsave(&rxq->lock, flags);
+ if (list_empty(&rxq->rx_used)) {
+ spin_unlock_irqrestore(&rxq->lock, flags);
+ dev_kfree_skb_any(skb);
+ return;
+ }
+ element = rxq->rx_used.next;
+ rxb = list_entry(element, struct iwl_rx_mem_buffer, list);
+ list_del(element);
+ spin_unlock_irqrestore(&rxq->lock, flags);
+
+ rxb->skb = skb;
+
/* If radiotap head is required, reserve some headroom here.
* The physical head count is a variable rx_stats->phy_count.
* We reserve 4 bytes here. Plus these extra bytes, the
PCI_DMA_FROMDEVICE);
pkt = (struct iwl_rx_packet *)rxb->skb->data;
+ trace_iwlwifi_dev_rx(priv, pkt,
+ le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
+
/* Reclaim a command buffer only if this packet is a response
* to a (driver-originated) command.
* If the packet (e.g. Rx frame) originated from uCode,
tasklet_kill(&priv->irq_tasklet);
}
+#ifdef CONFIG_IWLWIFI_DEBUG
static const char *desc_lookup(int i)
{
switch (i) {
#define ERROR_START_OFFSET (1 * sizeof(u32))
#define ERROR_ELEM_SIZE (7 * sizeof(u32))
-static void iwl3945_dump_nic_error_log(struct iwl_priv *priv)
+void iwl3945_dump_nic_error_log(struct iwl_priv *priv)
{
u32 i;
u32 desc, time, count, base, data1;
"%-13s (#%d) %010u 0x%05X 0x%05X 0x%05X 0x%05X %u\n\n",
desc_lookup(desc), desc, time, blink1, blink2,
ilink1, ilink2, data1);
+ trace_iwlwifi_dev_ucode_error(priv, desc, time, data1, 0,
+ 0, blink1, blink2, ilink1, ilink2);
}
-
}
#define EVENT_START_OFFSET (6 * sizeof(u32))
if (mode == 0) {
/* data, ev */
IWL_ERR(priv, "0x%08x\t%04u\n", time, ev);
+ trace_iwlwifi_dev_ucode_event(priv, 0, time, ev);
} else {
data = iwl_read_targ_mem(priv, ptr);
ptr += sizeof(u32);
IWL_ERR(priv, "%010u\t0x%08x\t%04u\n", time, data, ev);
+ trace_iwlwifi_dev_ucode_event(priv, time, data, ev);
}
}
}
-static void iwl3945_dump_nic_event_log(struct iwl_priv *priv)
+void iwl3945_dump_nic_event_log(struct iwl_priv *priv)
{
u32 base; /* SRAM byte address of event log header */
u32 capacity; /* event log capacity in # entries */
iwl3945_print_event_log(priv, 0, next_entry, mode);
}
+#else
+void iwl3945_dump_nic_event_log(struct iwl_priv *priv)
+{
+}
+
+void iwl3945_dump_nic_error_log(struct iwl_priv *priv)
+{
+}
+
+#endif
static void iwl3945_irq_tasklet(struct iwl_priv *priv)
{
iwl3945_reg_txpower_periodic(priv);
- iwl3945_led_register(priv);
+ iwl_leds_init(priv);
IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n");
set_bit(STATUS_READY, &priv->status);
if (!exit_pending)
set_bit(STATUS_EXIT_PENDING, &priv->status);
- iwl3945_led_unregister(priv);
iwl_clear_stations_table(priv);
/* Unblock any waiting calls */
udelay(5);
- if (exit_pending)
- priv->cfg->ops->lib->apm_ops.stop(priv);
- else
- priv->cfg->ops->lib->apm_ops.reset(priv);
+ /* Stop the device, and put it in low power state */
+ priv->cfg->ops->lib->apm_ops.stop(priv);
exit:
memset(&priv->card_alive, 0, sizeof(struct iwl_alive_resp));
* no need to poll the killswitch state anymore */
cancel_delayed_work(&priv->rfkill_poll);
+ iwl_led_start(priv);
+
priv->is_open = 1;
IWL_DEBUG_MAC80211(priv, "leave\n");
return 0;
static DEVICE_ATTR(dump_errors, S_IWUSR, NULL, dump_error_log);
-static ssize_t dump_event_log(struct device *d,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct iwl_priv *priv = dev_get_drvdata(d);
- char *p = (char *)buf;
-
- if (p[0] == '1')
- iwl3945_dump_nic_event_log(priv);
-
- return strnlen(buf, count);
-}
-
-static DEVICE_ATTR(dump_events, S_IWUSR, NULL, dump_event_log);
-
/*****************************************************************************
*
* driver setup and tear down
&dev_attr_antenna.attr,
&dev_attr_channels.attr,
&dev_attr_dump_errors.attr,
- &dev_attr_dump_events.attr,
&dev_attr_flags.attr,
&dev_attr_filter_flags.attr,
#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
pci_set_drvdata(pdev, NULL);
pci_disable_device(pdev);
out_ieee80211_free_hw:
- ieee80211_free_hw(priv->hw);
iwl_free_traffic_mem(priv);
+ ieee80211_free_hw(priv->hw);
out:
return err;
}
MODULE_FIRMWARE(IWL3945_MODULE_FIRMWARE(IWL3945_UCODE_API_MAX));
-module_param_named(antenna, iwl3945_mod_params.antenna, int, 0444);
+module_param_named(antenna, iwl3945_mod_params.antenna, int, S_IRUGO);
MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])");
-module_param_named(swcrypto, iwl3945_mod_params.sw_crypto, int, 0444);
+module_param_named(swcrypto, iwl3945_mod_params.sw_crypto, int, S_IRUGO);
MODULE_PARM_DESC(swcrypto,
"using software crypto (default 1 [software])\n");
#ifdef CONFIG_IWLWIFI_DEBUG
-module_param_named(debug, iwl_debug_level, uint, 0644);
+module_param_named(debug, iwl_debug_level, uint, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "debug output mask");
#endif
-module_param_named(disable_hw_scan, iwl3945_mod_params.disable_hw_scan, int, 0444);
+module_param_named(disable_hw_scan, iwl3945_mod_params.disable_hw_scan,
+ int, S_IRUGO);
MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)");
-module_param_named(fw_restart3945, iwl3945_mod_params.restart_fw, int, 0444);
+module_param_named(fw_restart3945, iwl3945_mod_params.restart_fw, int, S_IRUGO);
MODULE_PARM_DESC(fw_restart3945, "restart firmware in case of error");
module_exit(iwl3945_exit);
Code Review / linux-2.6.git / blobdiff