diff options
| author | Felix Fietkau <nbd@nbd.name> | 2019-08-20 11:54:48 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2019-08-21 11:09:37 +0200 |
| commit | 21f7981b4bd904871c6bbd67333cf0f69ff7c06a (patch) | |
| tree | 22834c0d080e69ccafd818b8a2a0b3f5a01e1d9d /net/mac80211 | |
| parent | mac80211: minstrel_ht: reduce unnecessary rate probing attempts (diff) | |
| download | linux-21f7981b4bd904871c6bbd67333cf0f69ff7c06a.tar.xz linux-21f7981b4bd904871c6bbd67333cf0f69ff7c06a.zip | |
mac80211: minstrel_ht: fix default max throughput rate indexes
Use the first supported rate instead of 0 (which can be invalid)
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20190820095449.45255-3-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/rc80211_minstrel_ht.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index ad5da9a71da0..c5868a1de306 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -486,7 +486,7 @@ minstrel_ht_assign_best_tp_rates(struct minstrel_ht_sta *mi, tmp_prob = mi->groups[tmp_group].rates[tmp_idx].prob_ewma; tmp_mcs_tp = minstrel_ht_get_tp_avg(mi, tmp_group, tmp_idx, tmp_prob); - if (tmp_cck_tp > tmp_mcs_tp) { + if (tmp_cck_tp_rate && tmp_cck_tp > tmp_mcs_tp) { for(i = 0; i < MAX_THR_RATES; i++) { minstrel_ht_sort_best_tp_rates(mi, tmp_cck_tp_rate[i], tmp_mcs_tp_rate); @@ -558,11 +558,19 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi) mi->sample_slow = 0; mi->sample_count = 0; - /* Initialize global rate indexes */ - for(j = 0; j < MAX_THR_RATES; j++){ - tmp_mcs_tp_rate[j] = 0; - tmp_cck_tp_rate[j] = 0; - } + memset(tmp_mcs_tp_rate, 0, sizeof(tmp_mcs_tp_rate)); + memset(tmp_cck_tp_rate, 0, sizeof(tmp_cck_tp_rate)); + if (mi->supported[MINSTREL_CCK_GROUP]) + for (j = 0; j < ARRAY_SIZE(tmp_cck_tp_rate); j++) + tmp_cck_tp_rate[j] = MINSTREL_CCK_GROUP * MCS_GROUP_RATES; + + if (mi->supported[MINSTREL_VHT_GROUP_0]) + index = MINSTREL_VHT_GROUP_0 * MCS_GROUP_RATES; + else + index = MINSTREL_HT_GROUP_0 * MCS_GROUP_RATES; + + for (j = 0; j < ARRAY_SIZE(tmp_mcs_tp_rate); j++) + tmp_mcs_tp_rate[j] = index; /* Find best rate sets within all MCS groups*/ for (group = 0; group < ARRAY_SIZE(minstrel_mcs_groups); group++) { |