diff options
author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-04-21 02:39:40 +0000 |
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committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-04-21 02:39:40 +0000 |
commit | 1f202039dbd94686d18c5fa05c66ae8d3644e1c2 (patch) | |
tree | 8e0a9a8c08db01dc371dc37714740272852d5361 /package/madwifi/patches/380-minstrel_sampling.patch | |
parent | b3537c5172698a9cb2db0e2d9289decca34d2b1c (diff) |
madwifi: remove the minstrel_mrr hack and add two patches that massively improve minstrel's performance and response time
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10897 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/madwifi/patches/380-minstrel_sampling.patch')
-rw-r--r-- | package/madwifi/patches/380-minstrel_sampling.patch | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/package/madwifi/patches/380-minstrel_sampling.patch b/package/madwifi/patches/380-minstrel_sampling.patch new file mode 100644 index 000000000..ea4c25f3a --- /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 { |