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huge madwifi update (work in progress, disabled by default, compiles but breaks at...
[openwrt.git] / package / madwifi / patches-r3776 / 308-minrate.patch
diff --git a/package/madwifi/patches-r3776/308-minrate.patch b/package/madwifi/patches-r3776/308-minrate.patch
new file mode 100644 (file)
index 0000000..616aec9
--- /dev/null
+++ b/package/madwifi/patches-r3776/308-minrate.patch
@@ -0,0 +1,124 @@
+Index: madwifi-trunk-r3776/ath/if_ath.c
+===================================================================
+--- madwifi-trunk-r3776.orig/ath/if_ath.c      2008-07-17 02:20:53.000000000 +0200
++++ madwifi-trunk-r3776/ath/if_ath.c   2008-07-17 02:23:00.000000000 +0200
+@@ -1300,6 +1300,7 @@
+       vap->iv_key_update_begin = ath_key_update_begin;
+       vap->iv_key_update_end = ath_key_update_end;
+       vap->iv_maxrateindex = 0;
++      vap->iv_minrateindex = 0;
+       if (sc->sc_default_ieee80211_debug) {
+               /* User specified defaults for new VAPs were provided, so
+                * use those (only). */
+Index: madwifi-trunk-r3776/ath_rate/minstrel/minstrel.c
+===================================================================
+--- madwifi-trunk-r3776.orig/ath_rate/minstrel/minstrel.c      2008-07-17 02:22:33.000000000 +0200
++++ madwifi-trunk-r3776/ath_rate/minstrel/minstrel.c   2008-07-17 02:27:44.000000000 +0200
+@@ -652,6 +652,8 @@
+ 
+       sn->num_rates = ni->ni_rates.rs_nrates;
+       for (x = 0; x < ni->ni_rates.rs_nrates; x++) {
++              int idx = x;
++
+               sn->rs_rateattempts     [x] = 0;
+               sn->rs_thisprob         [x] = 0;
+               sn->rs_ratesuccess      [x] = 0;
+@@ -662,8 +664,12 @@
+               sn->rs_att_hist         [x] = 0;
+               sn->rs_this_tp          [x] = 0;
+ 
+-              sn->rates[x].rate = ni->ni_rates.rs_rates[x] & IEEE80211_RATE_VAL;
+-              sn->rates[x].rix = sc->sc_rixmap[sn->rates[x].rate];
++              if (vap->iv_minrateindex && (vap->iv_minrateindex <
++                              ni->ni_rates.rs_nrates))
++                      idx = vap->iv_minrateindex;
++
++              sn->rates[x].rate = ni->ni_rates.rs_rates[idx] & IEEE80211_RATE_VAL;
++              sn->rates[x].rix = sc->sc_rixmap[sn->rates[idx].rate];
+               if (sn->rates[x].rix == 0xff) {
+                       DPRINTF(sc, "%s: %s ignore bogus rix at %d\n",
+                               dev_info, __func__, x);
+Index: madwifi-trunk-r3776/ath_rate/sample/sample.c
+===================================================================
+--- madwifi-trunk-r3776.orig/ath_rate/sample/sample.c  2008-07-17 02:20:53.000000000 +0200
++++ madwifi-trunk-r3776/ath_rate/sample/sample.c       2008-07-17 02:27:08.000000000 +0200
+@@ -845,8 +845,15 @@
+               sn->num_rates = vap->iv_maxrateindex;
+ 
+       for (x = 0; x < ni->ni_rates.rs_nrates; x++) {
+-              sn->rates[x].rate = ni->ni_rates.rs_rates[x] & IEEE80211_RATE_VAL;
+-              sn->rates[x].rix = sc->sc_rixmap[sn->rates[x].rate];
++              int idx = x;
++
++              if (vap->iv_minrateindex && vap->iv_minrateindex <
++                              ni->ni_rates.rs_nrates)
++                      idx = vap->iv_minrateindex;
++
++              sn->rates[x].rate = ni->ni_rates.rs_rates[idx] & IEEE80211_RATE_VAL;
++              sn->rates[x].rix = sc->sc_rixmap[sn->rates[idx].rate];
++
+               if (sn->rates[x].rix == 0xff) {
+                       DPRINTF(sc, ATH_DEBUG_RATE, "%s: %s ignore bogus rix at %u\n",
+                               dev_info, __func__, x);
+Index: madwifi-trunk-r3776/net80211/ieee80211_ioctl.h
+===================================================================
+--- madwifi-trunk-r3776.orig/net80211/ieee80211_ioctl.h        2008-07-17 02:20:53.000000000 +0200
++++ madwifi-trunk-r3776/net80211/ieee80211_ioctl.h     2008-07-17 02:25:53.000000000 +0200
+@@ -651,6 +651,7 @@
+       IEEE80211_PARAM_SCANBUFS                = 81,   /* Heap analysis for TX DMA */
+       IEEE80211_PARAM_LEAKTXBUFS              = 82,   /* Leak tx buffers */
+       IEEE80211_PARAM_MAXRATE                 = 83,   /* Maximum rate (by table index) */
++      IEEE80211_PARAM_MINRATE                 = 84,   /* Minimum rate (by table index) */
+ };
+ 
+ #define       SIOCG80211STATS                 (SIOCDEVPRIVATE+2)
+Index: madwifi-trunk-r3776/net80211/ieee80211_var.h
+===================================================================
+--- madwifi-trunk-r3776.orig/net80211/ieee80211_var.h  2008-07-17 02:20:53.000000000 +0200
++++ madwifi-trunk-r3776/net80211/ieee80211_var.h       2008-07-17 02:23:00.000000000 +0200
+@@ -292,6 +292,7 @@
+       struct ieee80211_app_ie app_ie[IEEE80211_APPIE_NUM_OF_FRAME]; /* app-specified IEs by frame type */
+       u_int32_t app_filter;                           /* filters which management frames are forwarded to app */
+       int iv_maxrateindex;
++      int iv_minrateindex;
+ };
+ 
+ /* Debug functions need the defintion of struct ieee80211vap because iv_debug 
+Index: madwifi-trunk-r3776/net80211/ieee80211_wireless.c
+===================================================================
+--- madwifi-trunk-r3776.orig/net80211/ieee80211_wireless.c     2008-07-17 02:20:53.000000000 +0200
++++ madwifi-trunk-r3776/net80211/ieee80211_wireless.c  2008-07-17 02:26:17.000000000 +0200
+@@ -2879,6 +2879,12 @@
+               else
+                       vap->iv_maxrateindex = 0;
+               break;
++      case IEEE80211_PARAM_MINRATE:
++              if (value > 0)
++                      vap->iv_minrateindex = value;
++              else
++                      vap->iv_minrateindex = 0;
++              break;
+ #ifdef ATH_REVERSE_ENGINEERING
+       case IEEE80211_PARAM_DUMPREGS:
+               ieee80211_dump_registers(dev, info, w, extra);
+@@ -3220,6 +3226,9 @@
+       case IEEE80211_PARAM_MAXRATE:
+               param[0] = vap->iv_maxrateindex;
+               break;
++      case IEEE80211_PARAM_MINRATE:
++              param[0] = vap->iv_minrateindex;
++              break;
+       default:
+               return -EOPNOTSUPP;
+       }
+@@ -5679,6 +5688,10 @@
+        IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maxrate"},
+       {IEEE80211_PARAM_MAXRATE,
+        0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_maxrate"},
++      {IEEE80211_PARAM_MINRATE,
++       IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "minrate"},
++      {IEEE80211_PARAM_MINRATE,
++       0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_minrate"},
+       
+ #ifdef ATH_REVERSE_ENGINEERING
+       /*
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