ath9k: add some more pending fixes
[openwrt.git] / package / mac80211 / patches / 300-pending_work.patch
1 --- a/net/mac80211/agg-rx.c
2 +++ b/net/mac80211/agg-rx.c
3 @@ -176,6 +176,8 @@ static void ieee80211_send_addba_resp(st
4                 memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
5         else if (sdata->vif.type == NL80211_IFTYPE_STATION)
6                 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
7 +       else if (sdata->vif.type == NL80211_IFTYPE_WDS)
8 +               memcpy(mgmt->bssid, da, ETH_ALEN);
9  
10         mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
11                                           IEEE80211_STYPE_ACTION);
12 --- a/net/mac80211/agg-tx.c
13 +++ b/net/mac80211/agg-tx.c
14 @@ -79,7 +79,8 @@ static void ieee80211_send_addba_request
15         memcpy(mgmt->da, da, ETH_ALEN);
16         memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
17         if (sdata->vif.type == NL80211_IFTYPE_AP ||
18 -           sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
19 +           sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
20 +           sdata->vif.type == NL80211_IFTYPE_WDS)
21                 memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
22         else if (sdata->vif.type == NL80211_IFTYPE_STATION)
23                 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
24 @@ -398,7 +399,8 @@ int ieee80211_start_tx_ba_session(struct
25          */
26         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
27             sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
28 -           sdata->vif.type != NL80211_IFTYPE_AP)
29 +           sdata->vif.type != NL80211_IFTYPE_AP &&
30 +           sdata->vif.type != NL80211_IFTYPE_WDS)
31                 return -EINVAL;
32  
33         if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) {
34 --- a/net/mac80211/debugfs_sta.c
35 +++ b/net/mac80211/debugfs_sta.c
36 @@ -59,7 +59,7 @@ static ssize_t sta_flags_read(struct fil
37         char buf[100];
38         struct sta_info *sta = file->private_data;
39         u32 staflags = get_sta_flags(sta);
40 -       int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s",
41 +       int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s",
42                 staflags & WLAN_STA_AUTH ? "AUTH\n" : "",
43                 staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
44                 staflags & WLAN_STA_PS_STA ? "PS (sta)\n" : "",
45 @@ -67,7 +67,6 @@ static ssize_t sta_flags_read(struct fil
46                 staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
47                 staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
48                 staflags & WLAN_STA_WME ? "WME\n" : "",
49 -               staflags & WLAN_STA_WDS ? "WDS\n" : "",
50                 staflags & WLAN_STA_MFP ? "MFP\n" : "");
51         return simple_read_from_buffer(userbuf, count, ppos, buf, res);
52  }
53 --- a/net/mac80211/iface.c
54 +++ b/net/mac80211/iface.c
55 @@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_
56  {
57         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
58         struct ieee80211_local *local = sdata->local;
59 -       struct sta_info *sta;
60         u32 changed = 0;
61         int res;
62         u32 hw_reconf_flags = 0;
63 @@ -290,27 +289,6 @@ static int ieee80211_do_open(struct net_
64  
65         set_bit(SDATA_STATE_RUNNING, &sdata->state);
66  
67 -       if (sdata->vif.type == NL80211_IFTYPE_WDS) {
68 -               /* Create STA entry for the WDS peer */
69 -               sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
70 -                                    GFP_KERNEL);
71 -               if (!sta) {
72 -                       res = -ENOMEM;
73 -                       goto err_del_interface;
74 -               }
75 -
76 -               /* no locking required since STA is not live yet */
77 -               sta->flags |= WLAN_STA_AUTHORIZED;
78 -
79 -               res = sta_info_insert(sta);
80 -               if (res) {
81 -                       /* STA has been freed */
82 -                       goto err_del_interface;
83 -               }
84 -
85 -               rate_control_rate_init(sta);
86 -       }
87 -
88         /*
89          * set_multicast_list will be invoked by the networking core
90          * which will check whether any increments here were done in
91 @@ -344,8 +322,7 @@ static int ieee80211_do_open(struct net_
92         netif_tx_start_all_queues(dev);
93  
94         return 0;
95 - err_del_interface:
96 -       drv_remove_interface(local, &sdata->vif);
97 +
98   err_stop:
99         if (!local->open_count)
100                 drv_stop(local);
101 @@ -718,6 +695,70 @@ static void ieee80211_if_setup(struct ne
102         dev->destructor = free_netdev;
103  }
104  
105 +static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
106 +                                        struct sk_buff *skb)
107 +{
108 +       struct ieee80211_local *local = sdata->local;
109 +       struct ieee80211_rx_status *rx_status;
110 +       struct ieee802_11_elems elems;
111 +       struct ieee80211_mgmt *mgmt;
112 +       struct sta_info *sta;
113 +       size_t baselen;
114 +       u32 rates = 0;
115 +       u16 stype;
116 +       bool new = false;
117 +       enum ieee80211_band band = local->hw.conf.channel->band;
118 +       struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
119 +
120 +       rx_status = IEEE80211_SKB_RXCB(skb);
121 +       mgmt = (struct ieee80211_mgmt *) skb->data;
122 +       stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
123 +
124 +       if (stype != IEEE80211_STYPE_BEACON)
125 +               return;
126 +
127 +       baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
128 +       if (baselen > skb->len)
129 +               return;
130 +
131 +       ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
132 +                              skb->len - baselen, &elems);
133 +
134 +       rates = ieee80211_sta_get_rates(local, &elems, band);
135 +
136 +       rcu_read_lock();
137 +
138 +       sta = sta_info_get(sdata, sdata->u.wds.remote_addr);
139 +
140 +       if (!sta) {
141 +               rcu_read_unlock();
142 +               sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
143 +                                    GFP_KERNEL);
144 +               if (!sta)
145 +                       return;
146 +
147 +               new = true;
148 +       }
149 +
150 +       sta->last_rx = jiffies;
151 +       sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
152 +
153 +       if (elems.ht_cap_elem)
154 +               ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
155 +                               elems.ht_cap_elem, &sta->sta.ht_cap);
156 +
157 +       if (elems.wmm_param)
158 +               set_sta_flags(sta, WLAN_STA_WME);
159 +
160 +       if (new) {
161 +               sta->flags = WLAN_STA_AUTHORIZED;
162 +               rate_control_rate_init(sta);
163 +               sta_info_insert_rcu(sta);
164 +       }
165 +
166 +       rcu_read_unlock();
167 +}
168 +
169  static void ieee80211_iface_work(struct work_struct *work)
170  {
171         struct ieee80211_sub_if_data *sdata =
172 @@ -822,6 +863,9 @@ static void ieee80211_iface_work(struct 
173                                 break;
174                         ieee80211_mesh_rx_queued_mgmt(sdata, skb);
175                         break;
176 +               case NL80211_IFTYPE_WDS:
177 +                       ieee80211_wds_rx_queued_mgmt(sdata, skb);
178 +                       break;
179                 default:
180                         WARN(1, "frame for unexpected interface type");
181                         break;
182 --- a/net/mac80211/rx.c
183 +++ b/net/mac80211/rx.c
184 @@ -2137,7 +2137,8 @@ ieee80211_rx_h_action(struct ieee80211_r
185                  */
186                 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
187                     sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
188 -                   sdata->vif.type != NL80211_IFTYPE_AP)
189 +                   sdata->vif.type != NL80211_IFTYPE_AP &&
190 +                   sdata->vif.type != NL80211_IFTYPE_WDS)
191                         break;
192  
193                 /* verify action_code is present */
194 @@ -2335,13 +2336,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
195  
196         if (!ieee80211_vif_is_mesh(&sdata->vif) &&
197             sdata->vif.type != NL80211_IFTYPE_ADHOC &&
198 -           sdata->vif.type != NL80211_IFTYPE_STATION)
199 +           sdata->vif.type != NL80211_IFTYPE_STATION &&
200 +           sdata->vif.type != NL80211_IFTYPE_WDS)
201                 return RX_DROP_MONITOR;
202  
203         switch (stype) {
204         case cpu_to_le16(IEEE80211_STYPE_BEACON):
205         case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
206 -               /* process for all: mesh, mlme, ibss */
207 +               /* process for all: mesh, mlme, ibss, wds */
208                 break;
209         case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
210         case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
211 @@ -2680,10 +2682,16 @@ static int prepare_for_handlers(struct i
212                 }
213                 break;
214         case NL80211_IFTYPE_WDS:
215 -               if (bssid || !ieee80211_is_data(hdr->frame_control))
216 -                       return 0;
217                 if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
218                         return 0;
219 +
220 +               if (ieee80211_is_data(hdr->frame_control) ||
221 +                   ieee80211_is_action(hdr->frame_control)) {
222 +                       if (compare_ether_addr(sdata->vif.addr, hdr->addr1))
223 +                               return 0;
224 +               } else if (!ieee80211_is_beacon(hdr->frame_control))
225 +                       return 0;
226 +
227                 break;
228         default:
229                 /* should never get here */
230 --- a/net/mac80211/sta_info.h
231 +++ b/net/mac80211/sta_info.h
232 @@ -31,7 +31,6 @@
233   *     frames.
234   * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP.
235   * @WLAN_STA_WME: Station is a QoS-STA.
236 - * @WLAN_STA_WDS: Station is one of our WDS peers.
237   * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
238   *     IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
239   *     frame to this station is transmitted.
240 @@ -54,7 +53,6 @@ enum ieee80211_sta_info_flags {
241         WLAN_STA_SHORT_PREAMBLE = 1<<4,
242         WLAN_STA_ASSOC_AP       = 1<<5,
243         WLAN_STA_WME            = 1<<6,
244 -       WLAN_STA_WDS            = 1<<7,
245         WLAN_STA_CLEAR_PS_FILT  = 1<<9,
246         WLAN_STA_MFP            = 1<<10,
247         WLAN_STA_BLOCK_BA       = 1<<11,
248 --- a/drivers/net/wireless/ath/ath9k/beacon.c
249 +++ b/drivers/net/wireless/ath/ath9k/beacon.c
250 @@ -384,7 +384,9 @@ void ath_beacon_tasklet(unsigned long da
251                         ath_dbg(common, ATH_DBG_BSTUCK,
252                                 "beacon is officially stuck\n");
253                         sc->sc_flags |= SC_OP_TSF_RESET;
254 +                       spin_lock(&sc->sc_pcu_lock);
255                         ath_reset(sc, true);
256 +                       spin_unlock(&sc->sc_pcu_lock);
257                 }
258  
259                 return;
260 --- a/drivers/net/wireless/ath/ath9k/main.c
261 +++ b/drivers/net/wireless/ath/ath9k/main.c
262 @@ -617,8 +617,11 @@ void ath_hw_check(struct work_struct *wo
263         ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, "
264                 "busy=%d (try %d)\n", busy, sc->hw_busy_count + 1);
265         if (busy >= 99) {
266 -               if (++sc->hw_busy_count >= 3)
267 +               if (++sc->hw_busy_count >= 3) {
268 +                       spin_lock_bh(&sc->sc_pcu_lock);
269                         ath_reset(sc, true);
270 +                       spin_unlock_bh(&sc->sc_pcu_lock);
271 +               }
272         } else if (busy >= 0)
273                 sc->hw_busy_count = 0;
274  
275 @@ -637,7 +640,9 @@ static void ath_hw_pll_rx_hang_check(str
276                         /* Rx is hung for more than 500ms. Reset it */
277                         ath_dbg(common, ATH_DBG_RESET,
278                                 "Possible RX hang, resetting");
279 +                       spin_lock_bh(&sc->sc_pcu_lock);
280                         ath_reset(sc, true);
281 +                       spin_unlock_bh(&sc->sc_pcu_lock);
282                         count = 0;
283                 }
284         } else
285 @@ -674,7 +679,9 @@ void ath9k_tasklet(unsigned long data)
286  
287         if ((status & ATH9K_INT_FATAL) ||
288             (status & ATH9K_INT_BB_WATCHDOG)) {
289 +               spin_lock(&sc->sc_pcu_lock);
290                 ath_reset(sc, true);
291 +               spin_unlock(&sc->sc_pcu_lock);
292                 return;
293         }
294  
295 @@ -980,7 +987,6 @@ int ath_reset(struct ath_softc *sc, bool
296         del_timer_sync(&common->ani.timer);
297  
298         ath9k_ps_wakeup(sc);
299 -       spin_lock_bh(&sc->sc_pcu_lock);
300  
301         ieee80211_stop_queues(hw);
302  
303 @@ -1023,7 +1029,6 @@ int ath_reset(struct ath_softc *sc, bool
304         }
305  
306         ieee80211_wake_queues(hw);
307 -       spin_unlock_bh(&sc->sc_pcu_lock);
308  
309         /* Start ANI */
310         if (!common->disable_ani)
311 @@ -2326,9 +2331,9 @@ static void ath9k_flush(struct ieee80211
312         ath9k_ps_wakeup(sc);
313         spin_lock_bh(&sc->sc_pcu_lock);
314         drain_txq = ath_drain_all_txq(sc, false);
315 -       spin_unlock_bh(&sc->sc_pcu_lock);
316         if (!drain_txq)
317                 ath_reset(sc, false);
318 +       spin_unlock_bh(&sc->sc_pcu_lock);
319         ath9k_ps_restore(sc);
320         ieee80211_wake_queues(hw);
321  
322 --- a/drivers/net/wireless/ath/ath9k/xmit.c
323 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
324 @@ -565,11 +565,8 @@ static void ath_tx_complete_aggr(struct 
325  
326         rcu_read_unlock();
327  
328 -       if (needreset) {
329 -               spin_unlock_bh(&sc->sc_pcu_lock);
330 +       if (needreset)
331                 ath_reset(sc, false);
332 -               spin_lock_bh(&sc->sc_pcu_lock);
333 -       }
334  }
335  
336  static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
337 @@ -2169,7 +2166,9 @@ static void ath_tx_complete_poll_work(st
338         if (needreset) {
339                 ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET,
340                         "tx hung, resetting the chip\n");
341 +               spin_lock_bh(&sc->sc_pcu_lock);
342                 ath_reset(sc, true);
343 +               spin_unlock_bh(&sc->sc_pcu_lock);
344         }
345  
346         ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
347 --- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
348 +++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
349 @@ -236,7 +236,7 @@ static void ar9003_paprd_get_gain_table(
350         memset(entry, 0, sizeof(ah->paprd_gain_table_entries));
351         memset(index, 0, sizeof(ah->paprd_gain_table_index));
352  
353 -       for (i = 0; i < 32; i++) {
354 +       for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) {
355                 entry[i] = REG_READ(ah, reg);
356                 index[i] = (entry[i] >> 24) & 0xff;
357                 reg += 4;
358 @@ -246,13 +246,13 @@ static void ar9003_paprd_get_gain_table(
359  static unsigned int ar9003_get_desired_gain(struct ath_hw *ah, int chain,
360                                             int target_power)
361  {
362 -       int olpc_gain_delta = 0;
363 +       int olpc_gain_delta = 0, cl_gain_mod;
364         int alpha_therm, alpha_volt;
365         int therm_cal_value, volt_cal_value;
366         int therm_value, volt_value;
367         int thermal_gain_corr, voltage_gain_corr;
368         int desired_scale, desired_gain = 0;
369 -       u32 reg;
370 +       u32 reg_olpc  = 0, reg_cl_gain  = 0;
371  
372         REG_CLR_BIT(ah, AR_PHY_PAPRD_TRAINER_STAT1,
373                     AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
374 @@ -271,15 +271,29 @@ static unsigned int ar9003_get_desired_g
375         volt_value = REG_READ_FIELD(ah, AR_PHY_BB_THERM_ADC_4,
376                                     AR_PHY_BB_THERM_ADC_4_LATEST_VOLT_VALUE);
377  
378 -       if (chain == 0)
379 -               reg = AR_PHY_TPC_11_B0;
380 -       else if (chain == 1)
381 -               reg = AR_PHY_TPC_11_B1;
382 -       else
383 -               reg = AR_PHY_TPC_11_B2;
384 +       switch (chain) {
385 +       case 0:
386 +               reg_olpc = AR_PHY_TPC_11_B0;
387 +               reg_cl_gain = AR_PHY_CL_TAB_0;
388 +               break;
389 +       case 1:
390 +               reg_olpc = AR_PHY_TPC_11_B1;
391 +               reg_cl_gain = AR_PHY_CL_TAB_1;
392 +               break;
393 +       case 2:
394 +               reg_olpc = AR_PHY_TPC_11_B2;
395 +               reg_cl_gain = AR_PHY_CL_TAB_2;
396 +               break;
397 +       default:
398 +               ath_dbg(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
399 +               "Invalid chainmask: %d\n", chain);
400 +               break;
401 +       }
402  
403 -       olpc_gain_delta = REG_READ_FIELD(ah, reg,
404 +       olpc_gain_delta = REG_READ_FIELD(ah, reg_olpc,
405                                          AR_PHY_TPC_11_OLPC_GAIN_DELTA);
406 +       cl_gain_mod = REG_READ_FIELD(ah, reg_cl_gain,
407 +                                        AR_PHY_CL_TAB_CL_GAIN_MOD);
408  
409         if (olpc_gain_delta >= 128)
410                 olpc_gain_delta = olpc_gain_delta - 256;
411 @@ -289,7 +303,7 @@ static unsigned int ar9003_get_desired_g
412         voltage_gain_corr = (alpha_volt * (volt_value - volt_cal_value) +
413                              (128 / 2)) / 128;
414         desired_gain = target_power - olpc_gain_delta - thermal_gain_corr -
415 -           voltage_gain_corr + desired_scale;
416 +           voltage_gain_corr + desired_scale + cl_gain_mod;
417  
418         return desired_gain;
419  }
420 @@ -727,7 +741,7 @@ int ar9003_paprd_setup_gain_table(struct
421         desired_gain = ar9003_get_desired_gain(ah, chain, train_power);
422  
423         gain_index = 0;
424 -       for (i = 0; i < 32; i++) {
425 +       for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) {
426                 if (ah->paprd_gain_table_index[i] >= desired_gain)
427                         break;
428                 gain_index++;
429 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
430 +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
431 @@ -1121,6 +1121,9 @@
432  #define AR_PHY_POWERTX_RATE8_POWERTXHT40_5     0x3F00
433  #define AR_PHY_POWERTX_RATE8_POWERTXHT40_5_S   8
434  
435 +#define AR_PHY_CL_TAB_CL_GAIN_MOD              0x1f
436 +#define AR_PHY_CL_TAB_CL_GAIN_MOD_S            0
437 +
438  void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
439  
440  #endif  /* AR9003_PHY_H */