package/mac80211/patches/300-pending_work.patch

   1 --- a/drivers/net/wireless/ath/ath9k/main.c
   2 +++ b/drivers/net/wireless/ath/ath9k/main.c
   3 @@ -324,7 +324,6 @@ static void ath_paprd_activate(struct at
   4         if (!caldata || !caldata->paprd_done)
   5                 return;
   6
   7 -       ath9k_ps_wakeup(sc);
   8         ar9003_paprd_enable(ah, false);
   9         for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
  10                 if (!(common->tx_chainmask & BIT(chain)))
  11 @@ -334,7 +333,6 @@ static void ath_paprd_activate(struct at
  12         }
  13
  14         ar9003_paprd_enable(ah, true);
  15 -       ath9k_ps_restore(sc);
  16  }
  17
  18  static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int chain)
  19 @@ -554,8 +552,11 @@ set_timer:
  20         if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->caldata) {
  21                 if (!ah->caldata->paprd_done)
  22                         ieee80211_queue_work(sc->hw, &sc->paprd_work);
  23 -               else if (!ah->paprd_table_write_done)
  24 +               else if (!ah->paprd_table_write_done) {
  25 +                       ath9k_ps_wakeup(sc);
  26                         ath_paprd_activate(sc);
  27 +                       ath9k_ps_restore(sc);
  28 +               }
  29         }
  30  }
  31
  32 @@ -1376,7 +1377,6 @@ static void ath9k_calculate_summary_stat
  33
  34         ath9k_calculate_iter_data(hw, vif, &iter_data);
  35
  36 -       ath9k_ps_wakeup(sc);
  37         /* Set BSSID mask. */
  38         memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
  39         ath_hw_setbssidmask(common);
  40 @@ -1411,7 +1411,6 @@ static void ath9k_calculate_summary_stat
  41         }
  42
  43         ath9k_hw_set_interrupts(ah, ah->imask);
  44 -       ath9k_ps_restore(sc);
  45
  46         /* Set up ANI */
  47         if ((iter_data.naps + iter_data.nadhocs) > 0) {
  48 @@ -1457,6 +1456,7 @@ static int ath9k_add_interface(struct ie
  49         struct ath_vif *avp = (void *)vif->drv_priv;
  50         int ret = 0;
  51
  52 +       ath9k_ps_wakeup(sc);
  53         mutex_lock(&sc->mutex);
  54
  55         switch (vif->type) {
  56 @@ -1503,6 +1503,7 @@ static int ath9k_add_interface(struct ie
  57         ath9k_do_vif_add_setup(hw, vif);
  58  out:
  59         mutex_unlock(&sc->mutex);
  60 +       ath9k_ps_restore(sc);
  61         return ret;
  62  }
  63
  64 @@ -1517,6 +1518,7 @@ static int ath9k_change_interface(struct
  65
  66         ath_dbg(common, ATH_DBG_CONFIG, "Change Interface\n");
  67         mutex_lock(&sc->mutex);
  68 +       ath9k_ps_wakeup(sc);
  69
  70         /* See if new interface type is valid. */
  71         if ((new_type == NL80211_IFTYPE_ADHOC) &&
  72 @@ -1546,6 +1548,7 @@ static int ath9k_change_interface(struct
  73
  74         ath9k_do_vif_add_setup(hw, vif);
  75  out:
  76 +       ath9k_ps_restore(sc);
  77         mutex_unlock(&sc->mutex);
  78         return ret;
  79  }
  80 @@ -1558,6 +1561,7 @@ static void ath9k_remove_interface(struc
  81
  82         ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface\n");
  83
  84 +       ath9k_ps_wakeup(sc);
  85         mutex_lock(&sc->mutex);
  86
  87         sc->nvifs--;
  88 @@ -1569,6 +1573,7 @@ static void ath9k_remove_interface(struc
  89         ath9k_calculate_summary_state(hw, NULL);
  90
  91         mutex_unlock(&sc->mutex);
  92 +       ath9k_ps_restore(sc);
  93  }
  94
  95  static void ath9k_enable_ps(struct ath_softc *sc)
  96 @@ -1809,6 +1814,7 @@ static int ath9k_conf_tx(struct ieee8021
  97
  98         txq = sc->tx.txq_map[queue];
  99
 100 +       ath9k_ps_wakeup(sc);
 101         mutex_lock(&sc->mutex);
 102
 103         memset(&qi, 0, sizeof(struct ath9k_tx_queue_info));
 104 @@ -1832,6 +1838,7 @@ static int ath9k_conf_tx(struct ieee8021
 105                         ath_beaconq_config(sc);
 106
 107         mutex_unlock(&sc->mutex);
 108 +       ath9k_ps_restore(sc);
 109
 110         return ret;
 111  }
 112 @@ -1908,6 +1915,7 @@ static void ath9k_bss_info_changed(struc
 113         int slottime;
 114         int error;
 115
 116 +       ath9k_ps_wakeup(sc);
 117         mutex_lock(&sc->mutex);
 118
 119         if (changed & BSS_CHANGED_BSSID) {
 120 @@ -2008,6 +2016,7 @@ static void ath9k_bss_info_changed(struc
 121         }
 122
 123         mutex_unlock(&sc->mutex);
 124 +       ath9k_ps_restore(sc);
 125  }
 126
 127  static u64 ath9k_get_tsf(struct ieee80211_hw *hw)
 128 --- a/drivers/net/wireless/ath/ath9k/beacon.c
 129 +++ b/drivers/net/wireless/ath/ath9k/beacon.c
 130 @@ -392,14 +392,6 @@ void ath_beacon_tasklet(unsigned long da
 131         tsf += TU_TO_USEC(ah->config.sw_beacon_response_time);
 132         tsftu = TSF_TO_TU((tsf * ATH_BCBUF) >>32, tsf * ATH_BCBUF);
 133         slot = (tsftu % (intval * ATH_BCBUF)) / intval;
 134 -       /*
 135 -        * Reverse the slot order to get slot 0 on the TBTT offset that does
 136 -        * not require TSF adjustment and other slots adding
 137 -        * slot/ATH_BCBUF * beacon_int to timestamp. For example, with
 138 -        * ATH_BCBUF = 4, we process beacon slots as follows: 3 2 1 0 3 2 1 ..
 139 -        * and slot 0 is at correct offset to TBTT.
 140 -        */
 141 -       slot = ATH_BCBUF - slot - 1;
 142         vif = sc->beacon.bslot[slot];
 143
 144         ath_dbg(common, ATH_DBG_BEACON,
 145 @@ -708,7 +700,7 @@ void ath_beacon_config(struct ath_softc
 146         if (cur_conf->dtim_period == 0)
 147                 cur_conf->dtim_period = 1;
 148
 149 -       switch (iftype) {
 150 +       switch (sc->sc_ah->opmode) {
 151         case NL80211_IFTYPE_AP:
 152                 ath_beacon_config_ap(sc, cur_conf);
 153                 break;
 154 --- a/net/mac80211/rx.c
 155 +++ b/net/mac80211/rx.c
 156 @@ -1585,7 +1585,7 @@ ieee80211_drop_unencrypted_mgmt(struct i
 157  }
 158
 159  static int
 160 -__ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
 161 +__ieee80211_data_to_8023(struct ieee80211_rx_data *rx, bool *port_control)
 162  {
 163         struct ieee80211_sub_if_data *sdata = rx->sdata;
 164         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
 165 @@ -1593,6 +1593,7 @@ __ieee80211_data_to_8023(struct ieee8021
 166         struct ethhdr *ehdr;
 167         int ret;
 168
 169 +       *port_control = false;
 170         if (ieee80211_has_a4(hdr->frame_control) &&
 171             sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)
 172                 return -1;
 173 @@ -1611,11 +1612,13 @@ __ieee80211_data_to_8023(struct ieee8021
 174                 return -1;
 175
 176         ret = ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type);
 177 -       if (ret < 0 || !check_port_control)
 178 +       if (ret < 0)
 179                 return ret;
 180
 181         ehdr = (struct ethhdr *) rx->skb->data;
 182 -       if (ehdr->h_proto != rx->sdata->control_port_protocol)
 183 +       if (ehdr->h_proto == rx->sdata->control_port_protocol)
 184 +               *port_control = true;
 185 +       else if (check_port_control)
 186                 return -1;
 187
 188         return 0;
 189 @@ -1916,6 +1919,7 @@ ieee80211_rx_h_data(struct ieee80211_rx_
 190         struct net_device *dev = sdata->dev;
 191         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
 192         __le16 fc = hdr->frame_control;
 193 +       bool port_control;
 194         int err;
 195
 196         if (unlikely(!ieee80211_is_data(hdr->frame_control)))
 197 @@ -1932,13 +1936,21 @@ ieee80211_rx_h_data(struct ieee80211_rx_
 198             sdata->vif.type == NL80211_IFTYPE_AP)
 199                 return RX_DROP_MONITOR;
 200
 201 -       err = __ieee80211_data_to_8023(rx);
 202 +       err = __ieee80211_data_to_8023(rx, &port_control);
 203         if (unlikely(err))
 204                 return RX_DROP_UNUSABLE;
 205
 206         if (!ieee80211_frame_allowed(rx, fc))
 207                 return RX_DROP_MONITOR;
 208
 209 +       if (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
 210 +           unlikely(port_control) && sdata->bss) {
 211 +               sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
 212 +                                    u.ap);
 213 +               dev = sdata->dev;
 214 +               rx->sdata = sdata;
 215 +       }
 216 +
 217         rx->skb->dev = dev;
 218
 219         dev->stats.rx_packets++;
 220 --- a/drivers/net/wireless/ath/ath9k/recv.c
 221 +++ b/drivers/net/wireless/ath/ath9k/recv.c
 222 @@ -75,7 +75,6 @@ static void ath_rx_buf_link(struct ath_s
 223                 *sc->rx.rxlink = bf->bf_daddr;
 224
 225         sc->rx.rxlink = &ds->ds_link;
 226 -       ath9k_hw_rxena(ah);
 227  }
 228
 229  static void ath_setdefantenna(struct ath_softc *sc, u32 antenna)
 230 @@ -426,9 +425,7 @@ u32 ath_calcrxfilter(struct ath_softc *s
 231         else
 232                 rfilt |= ATH9K_RX_FILTER_BEACON;
 233
 234 -       if ((AR_SREV_9280_20_OR_LATER(sc->sc_ah) ||
 235 -           AR_SREV_9285_12_OR_LATER(sc->sc_ah)) &&
 236 -           (sc->sc_ah->opmode == NL80211_IFTYPE_AP) &&
 237 +       if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) ||
 238             (sc->rx.rxfilter & FIF_PSPOLL))
 239                 rfilt |= ATH9K_RX_FILTER_PSPOLL;
 240
 241 @@ -486,12 +483,12 @@ start_recv:
 242  bool ath_stoprecv(struct ath_softc *sc)
 243  {
 244         struct ath_hw *ah = sc->sc_ah;
 245 -       bool stopped;
 246 +       bool stopped, reset = false;
 247
 248         spin_lock_bh(&sc->rx.rxbuflock);
 249         ath9k_hw_abortpcurecv(ah);
 250         ath9k_hw_setrxfilter(ah, 0);
 251 -       stopped = ath9k_hw_stopdmarecv(ah);
 252 +       stopped = ath9k_hw_stopdmarecv(ah, &reset);
 253
 254         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
 255                 ath_edma_stop_recv(sc);
 256 @@ -506,7 +503,7 @@ bool ath_stoprecv(struct ath_softc *sc)
 257                         "confusing the DMA engine when we start RX up\n");
 258                 ATH_DBG_WARN_ON_ONCE(!stopped);
 259         }
 260 -       return stopped;
 261 +       return stopped && !reset;
 262  }
 263
 264  void ath_flushrecv(struct ath_softc *sc)
 265 @@ -1767,6 +1764,7 @@ requeue:
 266                 } else {
 267                         list_move_tail(&bf->list, &sc->rx.rxbuf);
 268                         ath_rx_buf_link(sc, bf);
 269 +                       ath9k_hw_rxena(ah);
 270                 }
 271         } while (1);
 272
 273 --- a/drivers/net/wireless/ath/ath9k/hw.c
 274 +++ b/drivers/net/wireless/ath/ath9k/hw.c
 275 @@ -1249,15 +1249,6 @@ int ath9k_hw_reset(struct ath_hw *ah, st
 276         ah->txchainmask = common->tx_chainmask;
 277         ah->rxchainmask = common->rx_chainmask;
 278
 279 -       if ((common->bus_ops->ath_bus_type != ATH_USB) && !ah->chip_fullsleep) {
 280 -               ath9k_hw_abortpcurecv(ah);
 281 -               if (!ath9k_hw_stopdmarecv(ah)) {
 282 -                       ath_dbg(common, ATH_DBG_XMIT,
 283 -                               "Failed to stop receive dma\n");
 284 -                       bChannelChange = false;
 285 -               }
 286 -       }
 287 -
 288         if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
 289                 return -EIO;
 290
 291 --- a/drivers/net/wireless/ath/ath9k/mac.c
 292 +++ b/drivers/net/wireless/ath/ath9k/mac.c
 293 @@ -710,27 +710,46 @@ void ath9k_hw_abortpcurecv(struct ath_hw
 294  }
 295  EXPORT_SYMBOL(ath9k_hw_abortpcurecv);
 296
 297 -bool ath9k_hw_stopdmarecv(struct ath_hw *ah)
 298 +bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset)
 299  {
 300  #define AH_RX_STOP_DMA_TIMEOUT 10000   /* usec */
 301         struct ath_common *common = ath9k_hw_common(ah);
 302 +       u32 mac_status, last_mac_status = 0;
 303         int i;
 304
 305 +       /* Enable access to the DMA observation bus */
 306 +       REG_WRITE(ah, AR_MACMISC,
 307 +                 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
 308 +                  (AR_MACMISC_MISC_OBS_BUS_1 <<
 309 +                   AR_MACMISC_MISC_OBS_BUS_MSB_S)));
 310 +
 311         REG_WRITE(ah, AR_CR, AR_CR_RXD);
 312
 313         /* Wait for rx enable bit to go low */
 314         for (i = AH_RX_STOP_DMA_TIMEOUT / AH_TIME_QUANTUM; i != 0; i--) {
 315                 if ((REG_READ(ah, AR_CR) & AR_CR_RXE) == 0)
 316                         break;
 317 +
 318 +               if (!AR_SREV_9300_20_OR_LATER(ah)) {
 319 +                       mac_status = REG_READ(ah, AR_DMADBG_7) & 0x7f0;
 320 +                       if (mac_status == 0x1c0 && mac_status == last_mac_status) {
 321 +                               *reset = true;
 322 +                               break;
 323 +                       }
 324 +
 325 +                       last_mac_status = mac_status;
 326 +               }
 327 +
 328                 udelay(AH_TIME_QUANTUM);
 329         }
 330
 331         if (i == 0) {
 332                 ath_err(common,
 333 -                       "DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x\n",
 334 +                       "DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x DMADBG_7=0x%08x\n",
 335                         AH_RX_STOP_DMA_TIMEOUT / 1000,
 336                         REG_READ(ah, AR_CR),
 337 -                       REG_READ(ah, AR_DIAG_SW));
 338 +                       REG_READ(ah, AR_DIAG_SW),
 339 +                       REG_READ(ah, AR_DMADBG_7));
 340                 return false;
 341         } else {
 342                 return true;
 343 --- a/drivers/net/wireless/ath/ath9k/mac.h
 344 +++ b/drivers/net/wireless/ath/ath9k/mac.h
 345 @@ -695,7 +695,7 @@ bool ath9k_hw_setrxabort(struct ath_hw *
 346  void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp);
 347  void ath9k_hw_startpcureceive(struct ath_hw *ah, bool is_scanning);
 348  void ath9k_hw_abortpcurecv(struct ath_hw *ah);
 349 -bool ath9k_hw_stopdmarecv(struct ath_hw *ah);
 350 +bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset);
 351  int ath9k_hw_beaconq_setup(struct ath_hw *ah);
 352
 353  /* Interrupt Handling */