Documentation/cImages/baseline-8.3.ndz: patch-02-retry-fix.diff

ath/if_ath.c

@@ -7635 +7635 @@
             sc->sc_rc->ops->findrate(sc, an, shortPreamble, skb->len,
                 &rix, &try0, &txrate);
 
+            /* Note: HAL does not support distinguishing between short
+            * and long retry. These both are set via try0 here then.
+            * In the openhal we'll fix this ;) */
+            if (vap->iv_flags & IEEE80211_F_SWRETRY && vap->iv_txmax != try0)
+                try0 = vap->iv_txmax;
+
             /* Ratecontrol sometimes returns invalid rate index */
             if (rix != 0xff)
                 an->an_prevdatarix = rix;

net80211/ieee80211.c

@@ -451 +451 @@
 #endif
 
     vap->iv_caps = ic->ic_caps &~ IEEE80211_C_OPMODE;
+    /* Means its unset yet via WE SIOCSIWRETRY ioctl */
+    vap->iv_flags &= ~IEEE80211_F_SWRETRY;
+
     switch (opmode) {
     case IEEE80211_M_STA:
         /* WDS/Repeater */
         if (flags & IEEE80211_NO_STABEACONS)
             vap->iv_flags_ext |= IEEE80211_FEXT_SWBMISS;
+        vap->iv_caps |= IEEE80211_C_SWRETRY;
         break;
     case IEEE80211_M_IBSS:
-        vap->iv_caps |= IEEE80211_C_IBSS;
+        vap->iv_caps |= IEEE80211_C_IBSS | IEEE80211_C_SWRETRY;
         vap->iv_ath_cap &= ~IEEE80211_ATHC_XR;
         break;
     case IEEE80211_M_AHDEMO:

net80211/ieee80211_wireless.c

@@ -1299 +1299 @@
     return 0;
 }
 
+/* WE-21 added support for IW_RETRY_SHORT/IW_RETRY_LONG retry modifiers 
+ * Note: IW_RETRY_SHORT/IW_RETRY_LONG was just a userspace improvement so
+ * we can just add the defines required for its support here and a user
+ * with an older kernel but new WE will still be able to benefit from this */
+#if WIRELESS_EXT < 21
+/* Retry limits and lifetime flags available */
+#ifndef IW_RETRY_LIFETIME /* Can't pinpoint when this guy was introduced */
+#define IW_RETRY_LIFETIME       0x2000  /* Maximum duration of retries in us */
+#endif /* IW_RETRY_LIFETIME */
+#define IW_RETRY_SHORT          0x0010  /* Value is for short packets  */
+#define IW_RETRY_LONG           0x0020  /* Value is for long packets */
+#endif /* WIRELESS_EXT < 21 */
+
 static int
 ieee80211_ioctl_siwretry(struct net_device *dev, struct iw_request_info *info,
     struct iw_param *rrq, char *extra)
@@ -1311 +1324 @@
             vap->iv_flags &= ~IEEE80211_F_SWRETRY;
             goto done;
         }
+        /* Already disabled in iv_flags, nothing to do */
         return 0;
     }
 
     if ((vap->iv_caps & IEEE80211_C_SWRETRY) == 0)
         return -EOPNOTSUPP;
+    if (rrq->value < 0)
+        return -EINVAL;
     if (rrq->flags == IW_RETRY_LIMIT) {
         if (rrq->value >= 0) {
-            vap->iv_txmin = rrq->value;
-            vap->iv_txmax = rrq->value; /* XXX */
-            vap->iv_txlifetime = 0;     /* XXX */
+            if (rrq->flags & IW_RETRY_SHORT)
+                vap->iv_txmin = rrq->value;
+            else if (rrq->flags & IW_RETRY_LONG)
+                vap->iv_txmax = rrq->value;
+            else {
+                vap->iv_txmin = rrq->value;
+                vap->iv_txmax = rrq->value;
+            }
             vap->iv_flags |= IEEE80211_F_SWRETRY;
         } else {
             vap->iv_flags &= ~IEEE80211_F_SWRETRY;
         }
-        return 0;
     }
+    if (rrq->flags & IW_RETRY_LIFETIME)
+        vap->iv_txlifetime = 0;
 done:
-    return IS_UP(vap->iv_dev) ? ic->ic_reset(vap->iv_dev) : 0;
+    return IS_UP(ic->ic_dev) ? ic->ic_reset(ic->ic_dev) : 0;
 }
 
 static int