package/mac80211/patches/571-ath9k_beacon_fix.patch

   1 --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
   2 +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
   3 @@ -326,7 +326,6 @@ static bool ar9003_hw_get_isr(struct ath
   4  static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
   5                                  struct ath_tx_status *ts)
   6  {
   7 -       struct ar9003_txc *txc = (struct ar9003_txc *) ds;
   8         struct ar9003_txs *ads;
   9         u32 status;
  10
  11 @@ -336,11 +335,7 @@ static int ar9003_hw_proc_txdesc(struct
  12         if ((status & AR_TxDone) == 0)
  13                 return -EINPROGRESS;
  14
  15 -       ts->qid = MS(ads->ds_info, AR_TxQcuNum);
  16 -       if (!txc || (MS(txc->info, AR_TxQcuNum) == ts->qid))
  17 -               ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
  18 -       else
  19 -               return -ENOENT;
  20 +       ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
  21
  22         if ((MS(ads->ds_info, AR_DescId) != ATHEROS_VENDOR_ID) ||
  23             (MS(ads->ds_info, AR_TxRxDesc) != 1)) {
  24 @@ -354,6 +349,7 @@ static int ar9003_hw_proc_txdesc(struct
  25         ts->ts_seqnum = MS(status, AR_SeqNum);
  26         ts->tid = MS(status, AR_TxTid);
  27
  28 +       ts->qid = MS(ads->ds_info, AR_TxQcuNum);
  29         ts->desc_id = MS(ads->status1, AR_TxDescId);
  30         ts->ts_tstamp = ads->status4;
  31         ts->ts_status = 0;
  32 --- a/drivers/net/wireless/ath/ath9k/beacon.c
  33 +++ b/drivers/net/wireless/ath/ath9k/beacon.c
  34 @@ -91,7 +91,7 @@ static void ath_beacon_setup(struct ath_
  35         info.txpower = MAX_RATE_POWER;
  36         info.keyix = ATH9K_TXKEYIX_INVALID;
  37         info.keytype = ATH9K_KEY_TYPE_CLEAR;
  38 -       info.flags = ATH9K_TXDESC_NOACK;
  39 +       info.flags = ATH9K_TXDESC_NOACK | ATH9K_TXDESC_INTREQ;
  40
  41         info.buf_addr[0] = bf->bf_buf_addr;
  42         info.buf_len[0] = roundup(skb->len, 4);
  43 @@ -355,7 +355,6 @@ void ath_beacon_tasklet(unsigned long da
  44         struct ath_common *common = ath9k_hw_common(ah);
  45         struct ath_buf *bf = NULL;
  46         struct ieee80211_vif *vif;
  47 -       struct ath_tx_status ts;
  48         bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
  49         int slot;
  50         u32 bfaddr, bc = 0;
  51 @@ -462,11 +461,6 @@ void ath_beacon_tasklet(unsigned long da
  52                         ath9k_hw_txstart(ah, sc->beacon.beaconq);
  53
  54                 sc->beacon.ast_be_xmit += bc;     /* XXX per-vif? */
  55 -               if (edma) {
  56 -                       spin_lock_bh(&sc->sc_pcu_lock);
  57 -                       ath9k_hw_txprocdesc(ah, bf->bf_desc, (void *)&ts);
  58 -                       spin_unlock_bh(&sc->sc_pcu_lock);
  59 -               }
  60         }
  61  }
  62
  63 --- a/drivers/net/wireless/ath/ath9k/mac.c
  64 +++ b/drivers/net/wireless/ath/ath9k/mac.c
  65 @@ -745,7 +745,11 @@ int ath9k_hw_beaconq_setup(struct ath_hw
  66         qi.tqi_aifs = 1;
  67         qi.tqi_cwmin = 0;
  68         qi.tqi_cwmax = 0;
  69 -       /* NB: don't enable any interrupts */
  70 +
  71 +       if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
  72 +               qi.tqi_qflags = TXQ_FLAG_TXOKINT_ENABLE |
  73 +                               TXQ_FLAG_TXERRINT_ENABLE;
  74 +
  75         return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi);
  76  }
  77  EXPORT_SYMBOL(ath9k_hw_beaconq_setup);
  78 --- a/drivers/net/wireless/ath/ath9k/main.c
  79 +++ b/drivers/net/wireless/ath/ath9k/main.c
  80 @@ -2303,6 +2303,7 @@ static int ath9k_tx_last_beacon(struct i
  81         struct ath_vif *avp;
  82         struct ath_buf *bf;
  83         struct ath_tx_status ts;
  84 +       bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
  85         int status;
  86
  87         vif = sc->beacon.bslot[0];
  88 @@ -2313,7 +2314,7 @@ static int ath9k_tx_last_beacon(struct i
  89         if (!avp->is_bslot_active)
  90                 return 0;
  91
  92 -       if (!sc->beacon.tx_processed) {
  93 +       if (!sc->beacon.tx_processed && !edma) {
  94                 tasklet_disable(&sc->bcon_tasklet);
  95
  96                 bf = avp->av_bcbuf;
  97 --- a/drivers/net/wireless/ath/ath9k/xmit.c
  98 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
  99 @@ -2317,9 +2317,12 @@ void ath_tx_edma_tasklet(struct ath_soft
 100                         break;
 101                 }
 102
 103 -               /* Skip beacon completions */
 104 -               if (ts.qid == sc->beacon.beaconq)
 105 +               /* Process beacon completions separately */
 106 +               if (ts.qid == sc->beacon.beaconq) {
 107 +                       sc->beacon.tx_processed = true;
 108 +                       sc->beacon.tx_last = !(ts.ts_status & ATH9K_TXERR_MASK);
 109                         continue;
 110 +               }
 111
 112                 txq = &sc->tx.txq[ts.qid];
 113