mac80211: improve reliability of the keymiss handling fix, add another aggregation...

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22152 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/mac80211/patches/525-ath9k_handle_keymiss.patch b/package/mac80211/patches/525-ath9k_handle_keymiss.patch
index a2031cf..bbdd177 100644 (file)
--- a/package/mac80211/patches/525-ath9k_handle_keymiss.patch
+++ b/package/mac80211/patches/525-ath9k_handle_keymiss.patch
@@ -1,23 +1,23 @@
 --- a/drivers/net/wireless/ath/ath9k/mac.c
 +++ b/drivers/net/wireless/ath/ath9k/mac.c
-@@ -701,6 +701,8 @@ int ath9k_hw_rxprocdesc(struct ath_hw *a
-               rs->rs_flags |= ATH9K_RX_DELIM_CRC_POST;
-       if (ads.ds_rxstatus8 & AR_DecryptBusyErr)
-               rs->rs_flags |= ATH9K_RX_DECRYPT_BUSY;
-+      if (ads.ds_rxstatus8 & AR_KeyMiss)
-+              rs->rs_keyix = ATH9K_RXKEYIX_INVALID;
+@@ -713,6 +713,8 @@ int ath9k_hw_rxprocdesc(struct ath_hw *a
+                       rs->rs_status |= ATH9K_RXERR_DECRYPT;
+               else if (ads.ds_rxstatus8 & AR_MichaelErr)
+                       rs->rs_status |= ATH9K_RXERR_MIC;
++              else if (ads.ds_rxstatus8 & AR_KeyMiss)
++                      rs->rs_status |= ATH9K_RXERR_DECRYPT;
+       }
  
-       if ((ads.ds_rxstatus8 & AR_RxFrameOK) == 0) {
-               if (ads.ds_rxstatus8 & AR_CRCErr)
+       return 0;
 --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
 +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-@@ -578,6 +578,9 @@ int ath9k_hw_process_rxdesc_edma(struct 
-       if (rxsp->status11 & AR_DecryptBusyErr)
-               rxs->rs_flags |= ATH9K_RX_DECRYPT_BUSY;
+@@ -589,7 +589,8 @@ int ath9k_hw_process_rxdesc_edma(struct 
+                       rxs->rs_status |= ATH9K_RXERR_DECRYPT;
+               } else if (rxsp->status11 & AR_MichaelErr) {
+                       rxs->rs_status |= ATH9K_RXERR_MIC;
+-              }
++              } else if (rxsp->status11 & AR_KeyMiss)
++                      rxs->rs_status |= ATH9K_RXERR_DECRYPT;
+       }
  
-+      if (rxsp->status11 & AR_KeyMiss)
-+              rxs->rs_keyix = ATH9K_RXKEYIX_INVALID;
-+
-       if ((rxsp->status11 & AR_RxFrameOK) == 0) {
-               if (rxsp->status11 & AR_CRCErr) {
-                       rxs->rs_status |= ATH9K_RXERR_CRC;
+       return 0;

diff --git a/package/mac80211/patches/540-ath9k_aggr_fix.patch b/package/mac80211/patches/540-ath9k_aggr_fix.patch
new file mode 100644 (file)
index 0000000..0c9d887
--- /dev/null
+++ b/package/mac80211/patches/540-ath9k_aggr_fix.patch
@@ -0,0 +1,35 @@
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -329,7 +329,6 @@ static void ath_tx_complete_aggr(struct 
+       int isaggr, txfail, txpending, sendbar = 0, needreset = 0, nbad = 0;
+       bool rc_update = true;
+       struct ieee80211_tx_rate rates[4];
+-      unsigned long flags;
+ 
+       skb = bf->bf_mpdu;
+       hdr = (struct ieee80211_hdr *)skb->data;
+@@ -346,9 +345,21 @@ static void ath_tx_complete_aggr(struct 
+       if (!sta) {
+               rcu_read_unlock();
+ 
+-              spin_lock_irqsave(&sc->tx.txbuflock, flags);
+-              list_splice_tail_init(bf_q, &sc->tx.txbuf);
+-              spin_unlock_irqrestore(&sc->tx.txbuflock, flags);
++              INIT_LIST_HEAD(&bf_head);
++              while (bf) {
++                      bf_next = bf->bf_next;
++
++                      bf->bf_state.bf_type |= BUF_XRETRY;
++                      if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) ||
++                          !bf->bf_stale || bf_next != NULL)
++                              list_move_tail(&bf->list, &bf_head);
++
++                      ath_tx_rc_status(bf, ts, 0, 0, false);
++                      ath_tx_complete_buf(sc, bf, txq, &bf_head, ts,
++                              0, 0);
++
++                      bf = bf_next;
++              }
+               return;
+       }
+