madwifi: remove the minstrel_mrr hack and add two patches that massively improve...

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10897 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/madwifi/patches/318-minstrel_mrr.patch b/package/madwifi/patches/318-minstrel_mrr.patch
deleted file mode 100644 (file)
index 2b725c6..0000000
--- a/package/madwifi/patches/318-minstrel_mrr.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-Index: madwifi-trunk-r3314/ath_rate/minstrel/minstrel.c
-===================================================================
---- madwifi-trunk-r3314.orig/ath_rate/minstrel/minstrel.c      2008-02-20 18:10:48.795295077 +0100
-+++ madwifi-trunk-r3314/ath_rate/minstrel/minstrel.c   2008-02-20 18:10:50.951417946 +0100
-@@ -328,7 +328,7 @@
-                           return;
-               }
- 
--              mrr = sc->sc_mrretry && !(ic->ic_flags & IEEE80211_F_USEPROT) && ENABLE_MRR;
-+              mrr = sc->sc_mrretry && ENABLE_MRR;
- 
-               if (sn->static_rate_ndx >= 0) {
-                           ndx = sn->static_rate_ndx;
-@@ -486,7 +486,7 @@
-               if (!ts->ts_status)  /* Success when sending a packet*/
-                       sn->rs_ratesuccess[final_ndx]++;
- 
--              mrr = sc->sc_mrretry && !(ic->ic_flags & IEEE80211_F_USEPROT) && ENABLE_MRR;
-+              mrr = sc->sc_mrretry && ENABLE_MRR;
- 
-               if (!mrr) {
-                       if ((0 <= final_ndx) && (final_ndx < sn->num_rates)) {

diff --git a/package/madwifi/patches/370-minstrel_failcnt.patch b/package/madwifi/patches/370-minstrel_failcnt.patch
new file mode 100644 (file)
index 0000000..b588aec
--- /dev/null
+++ b/package/madwifi/patches/370-minstrel_failcnt.patch
@@ -0,0 +1,13 @@
+Index: madwifi-trunk-r3314/ath_rate/minstrel/minstrel.c
+===================================================================
+--- madwifi-trunk-r3314.orig/ath_rate/minstrel/minstrel.c      2008-04-21 00:51:15.000000000 +0200
++++ madwifi-trunk-r3314/ath_rate/minstrel/minstrel.c   2008-04-21 02:41:27.000000000 +0200
+@@ -475,7 +475,7 @@
+               /* 'tries' is the total number of times we have endeavoured to
+                * send this packet, and is a sum of the #attempts at each
+                * level in the multi-rate retry chain */
+-              tries = ts->ts_shortretry + ts->ts_longretry + 1;
++              tries = ts->ts_longretry + 1;
+ 
+               if (sn->num_rates <= 0) {
+                       DPRINTF(sc, "%s: " MAC_FMT " %s no rates yet\n", dev_info,

diff --git a/package/madwifi/patches/380-minstrel_sampling.patch b/package/madwifi/patches/380-minstrel_sampling.patch
new file mode 100644 (file)
index 0000000..ea4c25f
--- /dev/null
+++ b/package/madwifi/patches/380-minstrel_sampling.patch
@@ -0,0 +1,76 @@
+Index: madwifi-trunk-r3314/ath/if_ath.c
+===================================================================
+--- madwifi-trunk-r3314.orig/ath/if_ath.c      2008-04-21 02:44:23.000000000 +0200
++++ madwifi-trunk-r3314/ath/if_ath.c   2008-04-21 03:33:02.000000000 +0200
+@@ -8095,6 +8095,7 @@
+               ath_hal_setupxtxdesc(sc->sc_ah, ds, mrr.rate1, mrr.retries1,
+                                    mrr.rate2, mrr.retries2,
+                                    mrr.rate3, mrr.retries3);
++              bf->rcflags = mrr.privflags;
+       }
+ 
+ #ifndef ATH_SUPERG_FF
+Index: madwifi-trunk-r3314/ath/if_athvar.h
+===================================================================
+--- madwifi-trunk-r3314.orig/ath/if_athvar.h   2008-04-21 00:50:13.000000000 +0200
++++ madwifi-trunk-r3314/ath/if_athvar.h        2008-04-21 03:31:48.000000000 +0200
+@@ -446,6 +446,7 @@
+       u_int16_t bf_flags;                             /* tx descriptor flags */
+       u_int64_t bf_tsf;
+       int16_t bf_channoise;
++      unsigned int rcflags;
+ #ifdef ATH_SUPERG_FF
+       /* XXX: combine this with bf_skbaddr if it ever changes to accommodate
+        *      multiple segments.
+Index: madwifi-trunk-r3314/ath_rate/minstrel/minstrel.c
+===================================================================
+--- madwifi-trunk-r3314.orig/ath_rate/minstrel/minstrel.c      2008-04-21 02:50:31.000000000 +0200
++++ madwifi-trunk-r3314/ath_rate/minstrel/minstrel.c   2008-04-21 04:08:36.000000000 +0200
+@@ -336,7 +336,7 @@
+                       sn->packet_count++;
+                       sn->random_n = (sn->a * sn->random_n) + sn->b;
+                       offset = sn->random_n & 0xf;
+-                      if ((((100 * sn->sample_count) / (sn->sample_count + sn->packet_count)) < ath_lookaround_rate) && (offset < 2)) {
++                      if ((((100 * sn->sample_count) / (sn->packet_count ?: 1)) < ath_lookaround_rate) && (offset < 2)) {
+                               sn->sample_count++;
+                               sn->is_sampling = 1;
+                               if (sn->packet_count >= 10000) {
+@@ -398,11 +398,14 @@
+               if (sn->num_rates <= 0)
+                       return;
+ 
++              mrr->privflags = sn->is_sampling;
+               if (sn->is_sampling) {
+                       sn->is_sampling = 0;
+-                      if (sn->rs_sample_rate_slower)
++                      if (sn->rs_sample_rate_slower) {
+                               rc1 = sn->rs_sample_rate;
+-                      else
++                              if (sn->sample_count > 0)
++                                      sn->sample_count--;
++                      } else
+                               rc1 = sn->max_tp_rate;
+               } else {
+                       rc1 = sn->max_tp_rate2;
+@@ -525,6 +528,9 @@
+               if (tries <= tries1)
+                       return;
+ 
++              if (bf->rcflags)
++                      sn->sample_count++;
++
+               if  (tries2 < 0)
+                       return;
+               tries = tries - tries1;
+Index: madwifi-trunk-r3314/net80211/ieee80211_rate.h
+===================================================================
+--- madwifi-trunk-r3314.orig/net80211/ieee80211_rate.h 2008-01-31 03:29:42.000000000 +0100
++++ madwifi-trunk-r3314/net80211/ieee80211_rate.h      2008-04-21 03:30:25.000000000 +0200
+@@ -87,6 +87,7 @@
+       int retries2;
+       int rate3;
+       int retries3;
++      int privflags;
+ };
+ 
+ struct ieee80211_rate_ops {