diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 8 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-dev.h | 3 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-rx.c | 26 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl3945-base.c | 2 |
4 files changed, 22 insertions, 17 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 8264d37..35cfa15 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -1379,7 +1379,7 @@ 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; @@ -1432,8 +1432,8 @@ 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); @@ -2334,7 +2334,6 @@ static void iwl_bg_alive_start(struct work_struct *data) mutex_lock(&priv->mutex); iwl_alive_start(priv); mutex_unlock(&priv->mutex); - ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC); } static void iwl_bg_rf_kill(struct work_struct *work) @@ -2390,7 +2389,6 @@ static void iwl_bg_set_monitor(struct work_struct *work) } mutex_unlock(&priv->mutex); - ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC); } static void iwl_bg_run_time_calib_work(struct work_struct *work) diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index eb396f2..d509aed 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 b86f958..b3c35c6 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/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 119185f..a3ec4d0 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -5948,7 +5948,6 @@ static void iwl3945_bg_alive_start(struct work_struct *data) mutex_lock(&priv->mutex); iwl3945_alive_start(priv); mutex_unlock(&priv->mutex); - ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC); } static void iwl3945_bg_rf_kill(struct work_struct *work) @@ -5999,7 +5998,6 @@ static void iwl3945_bg_set_monitor(struct work_struct *work) IWL_ERROR("iwl3945_set_mode() failed\n"); mutex_unlock(&priv->mutex); - ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC); } #define IWL_SCAN_CHECK_WATCHDOG (7 * HZ) |