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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-07-12 19:16:22 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-07-12 19:16:22 +0000
commit372c8c5e681428d331d44a08fdc4e9921090c8fb (patch)
treed87e3909e1245ec8242bdb83095903d915e51aff /package
parentc98e83d466b041b49835a136e86421f9acec6331 (diff)
mac80211: improve reliability of the keymiss handling fix, add another aggregation leak fix
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22152 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package')
-rw-r--r--package/mac80211/patches/525-ath9k_handle_keymiss.patch34
-rw-r--r--package/mac80211/patches/540-ath9k_aggr_fix.patch35
2 files changed, 52 insertions, 17 deletions
diff --git a/package/mac80211/patches/525-ath9k_handle_keymiss.patch b/package/mac80211/patches/525-ath9k_handle_keymiss.patch
index a2031cf46..bbdd17761 100644
--- 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
index 000000000..0c9d887ac
--- /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;
+ }
+