ath9k: improve ANI debugfs file
[openwrt.git] / package / kernel / mac80211 / patches / 300-pending_work.patch
index 548f304..15c04cd 100644 (file)
@@ -1,3 +1,43 @@
+commit 8d804f1af11e4e058b1e8453327777d73a585cb8
+Author: Felix Fietkau <nbd@openwrt.org>
+Date:   Sun Mar 9 11:25:43 2014 +0100
+
+    ath9k: clean up and enhance ANI debugfs file
+    
+    Unify scnprintf calls and include the current OFDM/CCK immunity level.
+    
+    Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+
+commit 22e298b5a3a8a49e33805d4e351965123dede35b
+Author: Felix Fietkau <nbd@openwrt.org>
+Date:   Sun Mar 9 10:58:47 2014 +0100
+
+    ath9k: fix ready time of the multicast buffer queue
+    
+    qi->tqi_readyTime is written directly to registers that expect
+    microseconds as unit instead of TU.
+    When setting the CABQ ready time, cur_conf->beacon_interval is in TU, so
+    convert it to microseconds before passing it to ath9k_hw.
+    
+    This should hopefully fix some Tx DMA issues with buffered multicast
+    frames in AP mode.
+    
+    Cc: stable@vger.kernel.org
+    Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+
+commit fcb064fdd5a27bec8d24099bc0172468f34c97cb
+Author: Felix Fietkau <nbd@openwrt.org>
+Date:   Sun Mar 9 09:43:09 2014 +0100
+
+    ath9k_hw: fix unreachable code in baseband hang detection code
+    
+    The commit "ath9k: reduce baseband hang detection false positive rate"
+    added a delay in the loop checking the baseband state, however it was
+    unreachable due to previous 'continue' statements.
+    
+    Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
+    Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+
 commit 31959d8df39319e32c6d5ba9c135727be90cfad7
 Author: Michal Kazior <michal.kazior@tieto.com>
 Date:   Fri Mar 7 08:09:38 2014 +0100
@@ -1197,7 +1237,7 @@ Date:   Thu Jan 23 20:06:34 2014 +0100
  
        if (AR_SREV_9300(ah))
                return !ath9k_hw_detect_mac_hang(ah);
-@@ -1542,9 +1542,13 @@ bool ath9k_hw_check_alive(struct ath_hw 
+@@ -1542,9 +1542,14 @@ bool ath9k_hw_check_alive(struct ath_hw 
        if (AR_SREV_9285_12_OR_LATER(ah))
                return true;
  
@@ -1207,20 +1247,12 @@ Date:   Thu Jan 23 20:06:34 2014 +0100
 +              if (reg != last_val)
 +                      return true;
  
++              udelay(1);
 +              last_val = reg;
                if ((reg & 0x7E7FFFEF) == 0x00702400)
                        continue;
  
-@@ -1556,6 +1560,8 @@ bool ath9k_hw_check_alive(struct ath_hw 
-               default:
-                       return true;
-               }
-+
-+              udelay(1);
-       } while (count-- > 0);
-       return false;
-@@ -2051,9 +2057,8 @@ static bool ath9k_hw_set_power_awake(str
+@@ -2051,9 +2056,8 @@ static bool ath9k_hw_set_power_awake(str
  
        REG_SET_BIT(ah, AR_RTC_FORCE_WAKE,
                    AR_RTC_FORCE_WAKE_EN);
@@ -3281,6 +3313,15 @@ Date:   Thu Jan 23 20:06:34 2014 +0100
                buffered = ath_tid_has_buffered(tid);
  
                tid->sched = false;
+@@ -1696,7 +1698,7 @@ int ath_cabq_update(struct ath_softc *sc
+       ath9k_hw_get_txq_props(sc->sc_ah, qnum, &qi);
+-      qi.tqi_readyTime = (cur_conf->beacon_interval *
++      qi.tqi_readyTime = (TU_TO_USEC(cur_conf->beacon_interval) *
+                           ATH_CABQ_READY_TIME) / 100;
+       ath_txq_update(sc, qnum, &qi);
 @@ -2184,14 +2186,15 @@ int ath_tx_start(struct ieee80211_hw *hw
                txq->stopped = true;
        }
@@ -3546,7 +3587,79 @@ Date:   Thu Jan 23 20:06:34 2014 +0100
                schedule_delayed_work(&reg_timeout, msecs_to_jiffies(3142));
 --- a/drivers/net/wireless/ath/ath9k/debug.c
 +++ b/drivers/net/wireless/ath/ath9k/debug.c
-@@ -866,6 +866,12 @@ static ssize_t read_file_reset(struct fi
+@@ -138,43 +138,41 @@ static ssize_t read_file_ani(struct file
+       unsigned int len = 0, size = 1024;
+       ssize_t retval = 0;
+       char *buf;
++      int i;
++      struct {
++              const char *name;
++              unsigned int val;
++      } ani_info[] = {
++              { "ANI RESET", ah->stats.ast_ani_reset },
++              { "OFDM LEVEL", ah->ani.ofdmNoiseImmunityLevel },
++              { "CCK LEVEL", ah->ani.cckNoiseImmunityLevel },
++              { "SPUR UP", ah->stats.ast_ani_spurup },
++              { "SPUR DOWN", ah->stats.ast_ani_spurup },
++              { "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon },
++              { "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff },
++              { "MRC-CCK ON", ah->stats.ast_ani_ccklow },
++              { "MRC-CCK OFF", ah->stats.ast_ani_cckhigh },
++              { "FIR-STEP UP", ah->stats.ast_ani_stepup },
++              { "FIR-STEP DOWN", ah->stats.ast_ani_stepdown },
++              { "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero },
++              { "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs },
++              { "CCK ERRORS", ah->stats.ast_ani_cckerrs },
++      };
+       buf = kzalloc(size, GFP_KERNEL);
+       if (buf == NULL)
+               return -ENOMEM;
+-      if (common->disable_ani) {
+-              len += scnprintf(buf + len, size - len, "%s: %s\n",
+-                               "ANI", "DISABLED");
++      len += scnprintf(buf + len, size - len, "%15s: %s\n", "ANI",
++                       common->disable_ani ? "DISABLED" : "ENABLED");
++
++      if (common->disable_ani)
+               goto exit;
+-      }
+-      len += scnprintf(buf + len, size - len, "%15s: %s\n",
+-                       "ANI", "ENABLED");
+-      len += scnprintf(buf + len, size - len, "%15s: %u\n",
+-                       "ANI RESET", ah->stats.ast_ani_reset);
+-      len += scnprintf(buf + len, size - len, "%15s: %u\n",
+-                       "SPUR UP", ah->stats.ast_ani_spurup);
+-      len += scnprintf(buf + len, size - len, "%15s: %u\n",
+-                       "SPUR DOWN", ah->stats.ast_ani_spurup);
+-      len += scnprintf(buf + len, size - len, "%15s: %u\n",
+-                       "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon);
+-      len += scnprintf(buf + len, size - len, "%15s: %u\n",
+-                       "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff);
+-      len += scnprintf(buf + len, size - len, "%15s: %u\n",
+-                       "MRC-CCK ON", ah->stats.ast_ani_ccklow);
+-      len += scnprintf(buf + len, size - len, "%15s: %u\n",
+-                       "MRC-CCK OFF", ah->stats.ast_ani_cckhigh);
+-      len += scnprintf(buf + len, size - len, "%15s: %u\n",
+-                       "FIR-STEP UP", ah->stats.ast_ani_stepup);
+-      len += scnprintf(buf + len, size - len, "%15s: %u\n",
+-                       "FIR-STEP DOWN", ah->stats.ast_ani_stepdown);
+-      len += scnprintf(buf + len, size - len, "%15s: %u\n",
+-                       "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero);
+-      len += scnprintf(buf + len, size - len, "%15s: %u\n",
+-                       "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs);
+-      len += scnprintf(buf + len, size - len, "%15s: %u\n",
+-                       "CCK ERRORS", ah->stats.ast_ani_cckerrs);
++      for (i = 0; i < ARRAY_SIZE(ani_info); i++)
++              len += scnprintf(buf + len, size - len, "%15s: %u\n",
++                               ani_info[i].name, ani_info[i].val);
++
+ exit:
+       if (len > size)
+               len = size;
+@@ -866,6 +864,12 @@ static ssize_t read_file_reset(struct fi
                         "%17s: %2d\n", "PLL RX Hang",
                         sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
        len += scnprintf(buf + len, sizeof(buf) - len,