diff options
author | John W. Linville <linville@tuxdriver.com> | 2012-11-21 21:57:56 +0400 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2012-11-21 21:57:56 +0400 |
commit | b3117494772d8f906625905c6e203af745ee3530 (patch) | |
tree | cc8960455f9e1f18d0939fddd0e96f349613f753 /drivers/net/wireless/iwlwifi | |
parent | e2ff0498409af6f2023f91aba07b281e5e87ee15 (diff) | |
parent | 400e020892a9a20eea5d2c9bce8bfb312075c4ba (diff) | |
download | linux-b3117494772d8f906625905c6e203af745ee3530.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts:
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
drivers/net/wireless/iwlwifi/pcie/tx.c
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r-- | drivers/net/wireless/iwlwifi/dvm/mac80211.c | 16 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/dvm/main.c | 2 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/rx.c | 23 |
3 files changed, 37 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c index cb443d54f9b9..bf189f115413 100644 --- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c @@ -519,7 +519,7 @@ static void iwlagn_mac_tx(struct ieee80211_hw *hw, ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate); if (iwlagn_tx_skb(priv, control->sta, skb)) - dev_kfree_skb_any(skb); + ieee80211_free_txskb(hw, skb); } static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw, @@ -1352,6 +1352,20 @@ static int iwlagn_mac_add_interface(struct ieee80211_hw *hw, vif_priv->ctx = ctx; ctx->vif = vif; + /* + * In SNIFFER device type, the firmware reports the FCS to + * the host, rather than snipping it off. Unfortunately, + * mac80211 doesn't (yet) provide a per-packet flag for + * this, so that we have to set the hardware flag based + * on the interfaces added. As the monitor interface can + * only be present by itself, and will be removed before + * other interfaces are added, this is safe. + */ + if (vif->type == NL80211_IFTYPE_MONITOR) + priv->hw->flags |= IEEE80211_HW_RX_INCLUDES_FCS; + else + priv->hw->flags &= ~IEEE80211_HW_RX_INCLUDES_FCS; + err = iwl_setup_interface(priv, ctx); if (!err || reset) goto out; diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c index 03cbfa765f87..37bb4575ad8d 100644 --- a/drivers/net/wireless/iwlwifi/dvm/main.c +++ b/drivers/net/wireless/iwlwifi/dvm/main.c @@ -2107,7 +2107,7 @@ static void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) info = IEEE80211_SKB_CB(skb); iwl_trans_free_tx_cmd(priv->trans, info->driver_data[1]); - dev_kfree_skb_any(skb); + ieee80211_free_txskb(priv->hw, skb); } static void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index 11a93eddc84f..323079769567 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c @@ -318,6 +318,14 @@ static void iwl_rx_allocate(struct iwl_trans *trans, gfp_t priority) dma_map_page(trans->dev, page, 0, PAGE_SIZE << trans_pcie->rx_page_order, DMA_FROM_DEVICE); + if (dma_mapping_error(trans->dev, rxb->page_dma)) { + rxb->page = NULL; + spin_lock_irqsave(&rxq->lock, flags); + list_add(&rxb->list, &rxq->rx_used); + spin_unlock_irqrestore(&rxq->lock, flags); + __free_pages(page, trans_pcie->rx_page_order); + return; + } /* dma address must be no more than 36 bits */ BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36)); /* and also 256 byte aligned! */ @@ -489,8 +497,19 @@ static void iwl_rx_handle_rxbuf(struct iwl_trans *trans, dma_map_page(trans->dev, rxb->page, 0, PAGE_SIZE << trans_pcie->rx_page_order, DMA_FROM_DEVICE); - list_add_tail(&rxb->list, &rxq->rx_free); - rxq->free_count++; + if (dma_mapping_error(trans->dev, rxb->page_dma)) { + /* + * free the page(s) as well to not break + * the invariant that the items on the used + * list have no page(s) + */ + __free_pages(rxb->page, trans_pcie->rx_page_order); + rxb->page = NULL; + list_add_tail(&rxb->list, &rxq->rx_used); + } else { + list_add_tail(&rxb->list, &rxq->rx_free); + rxq->free_count++; + } } else list_add_tail(&rxb->list, &rxq->rx_used); spin_unlock_irqrestore(&rxq->lock, flags); |