Documentation/SupportedImages/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