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path: root/drivers/net/wireless/iwlwifi
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Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c13
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h3
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-rx.c26
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-scan.c7
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c14
5 files changed, 47 insertions, 16 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 24a1aeb6448f..444c5cc05f03 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1384,7 +1384,7 @@ void iwl_rx_handle(struct iwl_priv *priv)
rxq->queue[i] = NULL;
- pci_dma_sync_single_for_cpu(priv->pci_dev, rxb->dma_addr,
+ pci_dma_sync_single_for_cpu(priv->pci_dev, rxb->aligned_dma_addr,
priv->hw_params.rx_buf_size,
PCI_DMA_FROMDEVICE);
pkt = (struct iwl_rx_packet *)rxb->skb->data;
@@ -1436,8 +1436,8 @@ void iwl_rx_handle(struct iwl_priv *priv)
rxb->skb = NULL;
}
- pci_unmap_single(priv->pci_dev, rxb->dma_addr,
- priv->hw_params.rx_buf_size,
+ pci_unmap_single(priv->pci_dev, rxb->real_dma_addr,
+ priv->hw_params.rx_buf_size + 256,
PCI_DMA_FROMDEVICE);
spin_lock_irqsave(&rxq->lock, flags);
list_add_tail(&rxb->list, &priv->rxq.rx_used);
@@ -2090,7 +2090,6 @@ static void iwl_alive_start(struct iwl_priv *priv)
iwl4965_error_recovery(priv);
iwl_power_update_mode(priv, 1);
- ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
if (test_and_clear_bit(STATUS_MODE_PENDING, &priv->status))
iwl4965_set_mode(priv, priv->iw_mode);
@@ -3252,7 +3251,11 @@ static void iwl4965_mac_update_tkip_key(struct ieee80211_hw *hw,
return;
}
- iwl_scan_cancel_timeout(priv, 100);
+ if (iwl_scan_cancel(priv)) {
+ /* cancel scan failed, just live w/ bad key and rely
+ briefly on SW decryption */
+ return;
+ }
key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK);
key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index c018121085e9..9966d4e384ce 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -89,7 +89,8 @@ extern struct iwl_cfg iwl5100_abg_cfg;
#define DEFAULT_LONG_RETRY_LIMIT 4U
struct iwl_rx_mem_buffer {
- dma_addr_t dma_addr;
+ dma_addr_t real_dma_addr;
+ dma_addr_t aligned_dma_addr;
struct sk_buff *skb;
struct list_head list;
};
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 7cde9d76ff5d..0509c16dbe75 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -204,7 +204,7 @@ int iwl_rx_queue_restock(struct iwl_priv *priv)
list_del(element);
/* Point to Rx buffer via next RBD in circular buffer */
- rxq->bd[rxq->write] = iwl_dma_addr2rbd_ptr(priv, rxb->dma_addr);
+ rxq->bd[rxq->write] = iwl_dma_addr2rbd_ptr(priv, rxb->aligned_dma_addr);
rxq->queue[rxq->write] = rxb;
rxq->write = (rxq->write + 1) & RX_QUEUE_MASK;
rxq->free_count--;
@@ -251,7 +251,7 @@ void iwl_rx_allocate(struct iwl_priv *priv)
rxb = list_entry(element, struct iwl_rx_mem_buffer, list);
/* Alloc a new receive buffer */
- rxb->skb = alloc_skb(priv->hw_params.rx_buf_size,
+ rxb->skb = alloc_skb(priv->hw_params.rx_buf_size + 256,
__GFP_NOWARN | GFP_ATOMIC);
if (!rxb->skb) {
if (net_ratelimit())
@@ -266,9 +266,17 @@ void iwl_rx_allocate(struct iwl_priv *priv)
list_del(element);
/* Get physical address of RB/SKB */
- rxb->dma_addr =
- pci_map_single(priv->pci_dev, rxb->skb->data,
- priv->hw_params.rx_buf_size, PCI_DMA_FROMDEVICE);
+ rxb->real_dma_addr = pci_map_single(
+ priv->pci_dev,
+ rxb->skb->data,
+ priv->hw_params.rx_buf_size + 256,
+ PCI_DMA_FROMDEVICE);
+ /* dma address must be no more than 36 bits */
+ BUG_ON(rxb->real_dma_addr & ~DMA_BIT_MASK(36));
+ /* and also 256 byte aligned! */
+ rxb->aligned_dma_addr = ALIGN(rxb->real_dma_addr, 256);
+ skb_reserve(rxb->skb, rxb->aligned_dma_addr - rxb->real_dma_addr);
+
list_add_tail(&rxb->list, &rxq->rx_free);
rxq->free_count++;
}
@@ -300,8 +308,8 @@ void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
for (i = 0; i < RX_QUEUE_SIZE + RX_FREE_BUFFERS; i++) {
if (rxq->pool[i].skb != NULL) {
pci_unmap_single(priv->pci_dev,
- rxq->pool[i].dma_addr,
- priv->hw_params.rx_buf_size,
+ rxq->pool[i].real_dma_addr,
+ priv->hw_params.rx_buf_size + 256,
PCI_DMA_FROMDEVICE);
dev_kfree_skb(rxq->pool[i].skb);
}
@@ -354,8 +362,8 @@ void iwl_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
* to an SKB, so we need to unmap and free potential storage */
if (rxq->pool[i].skb != NULL) {
pci_unmap_single(priv->pci_dev,
- rxq->pool[i].dma_addr,
- priv->hw_params.rx_buf_size,
+ rxq->pool[i].real_dma_addr,
+ priv->hw_params.rx_buf_size + 256,
PCI_DMA_FROMDEVICE);
priv->alloc_rxb_skb--;
dev_kfree_skb(rxq->pool[i].skb);
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 3b0bee331a33..c89365e2ca58 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -896,6 +896,13 @@ static void iwl_bg_request_scan(struct work_struct *data)
return;
done:
+ /* Cannot perform scan. Make sure we clear scanning
+ * bits from status so next scan request can be performed.
+ * If we don't clear scanning status bit here all next scan
+ * will fail
+ */
+ clear_bit(STATUS_SCAN_HW, &priv->status);
+ clear_bit(STATUS_SCANNING, &priv->status);
/* inform mac80211 scan aborted */
queue_work(priv->workqueue, &priv->scan_completed);
mutex_unlock(&priv->mutex);
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index d15a2c997954..45a6b0c35695 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -5768,7 +5768,6 @@ static void iwl3945_alive_start(struct iwl3945_priv *priv)
if (priv->error_recovering)
iwl3945_error_recovery(priv);
- ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
return;
restart:
@@ -6256,6 +6255,11 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
n_probes,
(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
+ if (scan->channel_count == 0) {
+ IWL_DEBUG_SCAN("channel count %d\n", scan->channel_count);
+ goto done;
+ }
+
cmd.len += le16_to_cpu(scan->tx_cmd.len) +
scan->channel_count * sizeof(struct iwl3945_scan_channel);
cmd.data = scan;
@@ -6273,6 +6277,14 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
return;
done:
+ /* can not perform scan make sure we clear scanning
+ * bits from status so next scan request can be performed.
+ * if we dont clear scanning status bit here all next scan
+ * will fail
+ */
+ clear_bit(STATUS_SCAN_HW, &priv->status);
+ clear_bit(STATUS_SCANNING, &priv->status);
+
/* inform mac80211 scan aborted */
queue_work(priv->workqueue, &priv->scan_completed);
mutex_unlock(&priv->mutex);
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-15 15:51:50 +0000