diff options
Diffstat (limited to 'package/madwifi/patches-r3776/310-minstrel_sampling.patch')
-rw-r--r-- | package/madwifi/patches-r3776/310-minstrel_sampling.patch | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/package/madwifi/patches-r3776/310-minstrel_sampling.patch b/package/madwifi/patches-r3776/310-minstrel_sampling.patch new file mode 100644 index 0000000..a395b3c --- /dev/null +++ b/package/madwifi/patches-r3776/310-minstrel_sampling.patch @@ -0,0 +1,92 @@ +Index: madwifi-trunk-r3776/ath/if_ath.c +=================================================================== +--- madwifi-trunk-r3776.orig/ath/if_ath.c 2008-07-17 02:28:06.000000000 +0200 ++++ madwifi-trunk-r3776/ath/if_ath.c 2008-07-17 02:37:41.000000000 +0200 +@@ -8109,6 +8109,7 @@ + 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-r3776/ath/if_athvar.h +=================================================================== +--- madwifi-trunk-r3776.orig/ath/if_athvar.h 2008-07-17 02:20:51.000000000 +0200 ++++ madwifi-trunk-r3776/ath/if_athvar.h 2008-07-17 02:37:41.000000000 +0200 +@@ -454,6 +454,7 @@ + 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-r3776/ath_rate/minstrel/minstrel.c +=================================================================== +--- madwifi-trunk-r3776.orig/ath_rate/minstrel/minstrel.c 2008-07-17 02:27:44.000000000 +0200 ++++ madwifi-trunk-r3776/ath_rate/minstrel/minstrel.c 2008-07-17 02:39:20.000000000 +0200 +@@ -341,18 +341,21 @@ + if (sn->static_rate_ndx >= 0) { + ndx = sn->static_rate_ndx; + } else { ++ int delta; ++ + sn->packet_count++; + sn->random_n = (sn->a * sn->random_n) + sn->b; + offset = sn->random_n & 0xf; + +- if ((((100 * sn->sample_count) / sn->packet_count) < +- ath_lookaround_rate) && +- (offset < 2)) { ++ delta = (sn->packet_count * ath_lookaround_rate / 100) - sn->sample_count; ++ if ((delta > 0) && (offset < 2)) { + sn->sample_count++; + sn->is_sampling = 1; + if (sn->packet_count >= 10000) { + sn->sample_count = 0; + sn->packet_count = 0; ++ } else if (delta > sn->num_rates * 2) { ++ sn->sample_count += ((delta - sn->num_rates * 2) * ath_lookaround_rate) / 100; + } + + /* Don't look for slowest rate (i.e. slowest +@@ -420,11 +423,14 @@ + 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; +@@ -552,6 +558,9 @@ + if (tries <= tries1) + return; + ++ if (bf->rcflags) ++ sn->sample_count++; ++ + if (tries2 < 0) + return; + tries = tries - tries1; +Index: madwifi-trunk-r3776/net80211/ieee80211_rate.h +=================================================================== +--- madwifi-trunk-r3776.orig/net80211/ieee80211_rate.h 2008-07-17 00:21:29.000000000 +0200 ++++ madwifi-trunk-r3776/net80211/ieee80211_rate.h 2008-07-17 02:37:41.000000000 +0200 +@@ -87,6 +87,7 @@ + int retries2; + int rate3; + int retries3; ++ int privflags; + }; + + struct ieee80211_rate_ops { |