diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl3945-base.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl3945-base.c | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 090966837f3..d00a8033409 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -33,6 +33,7 @@ #include <linux/pci.h> #include <linux/dma-mapping.h> #include <linux/delay.h> +#include <linux/sched.h> #include <linux/skbuff.h> #include <linux/netdevice.h> #include <linux/wireless.h> @@ -1146,11 +1147,18 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv, gfp_t priority) } spin_unlock_irqrestore(&rxq->lock, flags); + if (rxq->free_count > RX_LOW_WATERMARK) + priority |= __GFP_NOWARN; /* Alloc a new receive buffer */ 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 */ @@ -1474,6 +1482,7 @@ static inline void iwl_synchronize_irq(struct iwl_priv *priv) tasklet_kill(&priv->irq_tasklet); } +#ifdef CONFIG_IWLWIFI_DEBUG static const char *desc_lookup(int i) { switch (i) { @@ -1497,7 +1506,7 @@ static const char *desc_lookup(int 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; @@ -1591,7 +1600,7 @@ static void iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx, } } -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 */ @@ -1633,6 +1642,16 @@ static void iwl3945_dump_nic_event_log(struct iwl_priv *priv) 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) { @@ -3676,21 +3695,6 @@ static ssize_t dump_error_log(struct device *d, 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 @@ -3735,7 +3739,6 @@ static struct attribute *iwl3945_sysfs_entries[] = { &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 @@ -4094,8 +4097,8 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e 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; } |