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authorFelix Fietkau <nbd@nbd.name>2019-08-20 11:54:48 +0200
committerJohannes Berg <johannes.berg@intel.com>2019-08-21 11:09:37 +0200
commit21f7981b4bd904871c6bbd67333cf0f69ff7c06a (patch)
tree22834c0d080e69ccafd818b8a2a0b3f5a01e1d9d /net/mac80211/rc80211_minstrel_ht.c
parentf793c7eedd94fa41e8b969b18c4907335065a376 (diff)
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/rc80211_minstrel_ht.c')
-rw-r--r--net/mac80211/rc80211_minstrel_ht.c20
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++) {