1 files changed, 34 insertions, 6 deletions

diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 2888778040e4..acebdf1d20a8 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -206,7 +206,6 @@ static int ath_key_config(struct ath_softc *sc,
         if (!ret)
                 return -EIO;
 
-        sc->sc_keytype = hk.kv_type;
         return 0;
 }
 
@@ -368,6 +367,20 @@ static int ath9k_tx(struct ieee80211_hw *hw,
 {
         struct ath_softc *sc = hw->priv;
         int hdrlen, padsize;
+        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+        /*
+         * As a temporary workaround, assign seq# here; this will likely need
+         * to be cleaned up to work better with Beacon transmission and virtual
+         * BSSes.
+         */
+        if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
+                struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+                if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
+                        sc->seq_no += 0x10;
+                hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
+                hdr->seq_ctrl |= cpu_to_le16(sc->seq_no);
+        }
 
         /* Add the padding after the header if this is not already done */
         hdrlen = ieee80211_get_hdrlen_from_skb(skb);
@@ -756,13 +769,13 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
                         key->hw_key_idx = key->keyidx;
                         /* push IV and Michael MIC generation to stack */
                         key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-                        key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+                        if (key->alg == ALG_TKIP)
+                                key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
                 }
                 break;
         case DISABLE_KEY:
                 ath_key_delete(sc, key);
                 clear_bit(key->keyidx, sc->sc_keymap);
-                sc->sc_keytype = ATH9K_CIPHER_CLR;
                 break;
         default:
                 ret = -EINVAL;
@@ -1065,8 +1078,16 @@ void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
                 tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
                 tx_status->flags &= ~ATH_TX_BAR;
         }
-        if (tx_status->flags)
-                tx_info->status.excessive_retries = 1;
+
+        if (tx_status->flags & (ATH_TX_ERROR | ATH_TX_XRETRY)) {
+                if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK)) {
+                        /* Frame was not ACKed, but an ACK was expected */
+                        tx_info->status.excessive_retries = 1;
+                }
+        } else {
+                /* Frame was ACKed */
+                tx_info->flags |= IEEE80211_TX_STAT_ACK;
+        }
 
         tx_info->status.retry_count = tx_status->retries;
 
@@ -1390,10 +1411,17 @@ static void ath_pci_remove(struct pci_dev *pdev)
 {
         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
         struct ath_softc *sc = hw->priv;
+        enum ath9k_int status;
 
-        if (pdev->irq)
+        if (pdev->irq) {
+                ath9k_hw_set_interrupts(sc->sc_ah, 0);
+                /* clear the ISR */
+                ath9k_hw_getisr(sc->sc_ah, &status);
+                sc->sc_invalid = 1;
                 free_irq(pdev->irq, sc);
+        }
         ath_detach(sc);
+
         pci_iounmap(pdev, sc->mem);
         pci_release_region(pdev, 0);
         pci_disable_device(pdev);