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47 lines
1.6 KiB
Diff
47 lines
1.6 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Fri, 14 Jun 2019 21:14:22 +0200
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Subject: [PATCH] mac80211: minstrel_ht: fix default max throughput rate
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indexes
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Use the first supported rate instead of 0 (which can be invalid)
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/net/mac80211/rc80211_minstrel_ht.c
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+++ b/net/mac80211/rc80211_minstrel_ht.c
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@@ -486,7 +486,7 @@ minstrel_ht_assign_best_tp_rates(struct
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tmp_prob = mi->groups[tmp_group].rates[tmp_idx].prob_ewma;
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tmp_mcs_tp = minstrel_ht_get_tp_avg(mi, tmp_group, tmp_idx, tmp_prob);
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- if (tmp_cck_tp > tmp_mcs_tp) {
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+ if (tmp_cck_tp_rate && tmp_cck_tp > tmp_mcs_tp) {
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for(i = 0; i < MAX_THR_RATES; i++) {
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minstrel_ht_sort_best_tp_rates(mi, tmp_cck_tp_rate[i],
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tmp_mcs_tp_rate);
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@@ -558,11 +558,19 @@ minstrel_ht_update_stats(struct minstrel
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mi->sample_slow = 0;
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mi->sample_count = 0;
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- /* Initialize global rate indexes */
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- for(j = 0; j < MAX_THR_RATES; j++){
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- tmp_mcs_tp_rate[j] = 0;
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- tmp_cck_tp_rate[j] = 0;
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- }
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+ memset(tmp_mcs_tp_rate, 0, sizeof(tmp_mcs_tp_rate));
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+ memset(tmp_cck_tp_rate, 0, sizeof(tmp_cck_tp_rate));
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+ if (mi->supported[MINSTREL_CCK_GROUP])
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+ for (j = 0; j < ARRAY_SIZE(tmp_cck_tp_rate); j++)
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+ tmp_cck_tp_rate[j] = MINSTREL_CCK_GROUP * MCS_GROUP_RATES;
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+
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+ if (mi->supported[MINSTREL_VHT_GROUP_0])
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+ index = MINSTREL_VHT_GROUP_0 * MCS_GROUP_RATES;
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+ else
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+ index = MINSTREL_HT_GROUP_0 * MCS_GROUP_RATES;
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+
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+ for (j = 0; j < ARRAY_SIZE(tmp_mcs_tp_rate); j++)
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+ tmp_mcs_tp_rate[j] = index;
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/* Find best rate sets within all MCS groups*/
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for (group = 0; group < ARRAY_SIZE(minstrel_mcs_groups); group++) {
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