mac80211: fix an uninitialized variable warning

Signed-off-by: Felix Fietkau <[email protected]>

package/kernel/mac80211/patches/subsys/346-mac80211-minstrel_ht-use-bitfields-to-encode-rate-in.patch

@@ -172,11 +172,12 @@ Signed-off-by: Felix Fietkau <[email protected]>
  		for (i = 0; supported; supported >>= 1, i++) {
  			if (!(supported & 1))
  				continue;
-@@ -856,22 +856,26 @@ minstrel_ht_update_stats(struct minstrel
+@@ -854,24 +854,27 @@ minstrel_ht_update_stats(struct minstrel
+ 	mi->sample_slow = 0;
+ 	mi->sample_count = 0;
  
- 	memset(tmp_mcs_tp_rate, 0, sizeof(tmp_mcs_tp_rate));
- 	memset(tmp_legacy_tp_rate, 0, sizeof(tmp_legacy_tp_rate));
-+
+-	memset(tmp_mcs_tp_rate, 0, sizeof(tmp_mcs_tp_rate));
+-	memset(tmp_legacy_tp_rate, 0, sizeof(tmp_legacy_tp_rate));
  	if (mi->supported[MINSTREL_CCK_GROUP])
 -		for (j = 0; j < ARRAY_SIZE(tmp_legacy_tp_rate); j++)
 -			tmp_legacy_tp_rate[j] = MINSTREL_CCK_GROUP * MCS_GROUP_RATES;
@@ -185,6 +186,8 @@ Signed-off-by: Felix Fietkau <[email protected]>
 -		for (j = 0; j < ARRAY_SIZE(tmp_legacy_tp_rate); j++)
 -			tmp_legacy_tp_rate[j] = MINSTREL_OFDM_GROUP * MCS_GROUP_RATES;
 +		group = MINSTREL_OFDM_GROUP;
++	else
++		group = 0;
 +
 +	index = MI_RATE(group, 0);
 +	for (j = 0; j < ARRAY_SIZE(tmp_legacy_tp_rate); j++)
@@ -207,7 +210,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	tmp_max_prob_rate = index;
  	for (j = 0; j < ARRAY_SIZE(tmp_mcs_tp_rate); j++)
  		tmp_mcs_tp_rate[j] = index;
-@@ -888,7 +892,7 @@ minstrel_ht_update_stats(struct minstrel
+@@ -888,7 +891,7 @@ minstrel_ht_update_stats(struct minstrel
  
  		/* (re)Initialize group rate indexes */
  		for(j = 0; j < MAX_THR_RATES; j++)
@@ -216,7 +219,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  
  		if (group == MINSTREL_CCK_GROUP && ht_supported)
  			tp_rate = tmp_legacy_tp_rate;
-@@ -897,7 +901,7 @@ minstrel_ht_update_stats(struct minstrel
+@@ -897,7 +900,7 @@ minstrel_ht_update_stats(struct minstrel
  			if (!(mi->supported[group] & BIT(i)))
  				continue;
  
@@ -225,7 +228,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  
  			mrs = &mg->rates[i];
  			mrs->retry_updated = false;
-@@ -929,13 +933,13 @@ minstrel_ht_update_stats(struct minstrel
+@@ -929,13 +932,13 @@ minstrel_ht_update_stats(struct minstrel
  			continue;
  
  		mg = &mi->groups[group];
@@ -241,7 +244,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  
  			/* Find max probability rate per group and global */
  			minstrel_ht_set_best_prob_rate(mi, &tmp_max_prob_rate,
-@@ -1022,7 +1026,7 @@ minstrel_downgrade_rate(struct minstrel_
+@@ -1022,7 +1025,7 @@ minstrel_downgrade_rate(struct minstrel_
  {
  	int group, orig_group;
  
@@ -250,7 +253,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	while (group > 0) {
  		group--;
  
-@@ -1206,7 +1210,7 @@ minstrel_calc_retransmit(struct minstrel
+@@ -1206,7 +1209,7 @@ minstrel_calc_retransmit(struct minstrel
  	ctime += (t_slot * cw) >> 1;
  	cw = min((cw << 1) | 1, mp->cw_max);
  
@@ -259,7 +262,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  		overhead = mi->overhead_legacy;
  		overhead_rtscts = mi->overhead_legacy_rtscts;
  	} else {
-@@ -1239,7 +1243,7 @@ static void
+@@ -1239,7 +1242,7 @@ static void
  minstrel_ht_set_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi,
                       struct ieee80211_sta_rates *ratetbl, int offset, int index)
  {
@@ -268,7 +271,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	const struct mcs_group *group = &minstrel_mcs_groups[group_idx];
  	struct minstrel_rate_stats *mrs;
  	u8 idx;
-@@ -1259,7 +1263,7 @@ minstrel_ht_set_rate(struct minstrel_pri
+@@ -1259,7 +1262,7 @@ minstrel_ht_set_rate(struct minstrel_pri
  		ratetbl->rate[offset].count_rts = mrs->retry_count_rtscts;
  	}
  
@@ -277,7 +280,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	if (group_idx == MINSTREL_CCK_GROUP)
  		idx = mp->cck_rates[index % ARRAY_SIZE(mp->cck_rates)];
  	else if (group_idx == MINSTREL_OFDM_GROUP)
-@@ -1289,17 +1293,17 @@ minstrel_ht_set_rate(struct minstrel_pri
+@@ -1289,17 +1292,17 @@ minstrel_ht_set_rate(struct minstrel_pri
  static inline int
  minstrel_ht_get_prob_avg(struct minstrel_ht_sta *mi, int rate)
  {
@@ -299,7 +302,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	unsigned int duration;
  
  	/* Disable A-MSDU if max_prob_rate is bad */
-@@ -1405,7 +1409,7 @@ minstrel_get_sample_rate(struct minstrel
+@@ -1405,7 +1408,7 @@ minstrel_get_sample_rate(struct minstrel
  		return -1;
  
  	mrs = &mg->rates[sample_idx];
@@ -308,7 +311,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  
  	tp_rate1 = mi->max_tp_rate[0];
  
-@@ -1455,8 +1459,7 @@ minstrel_get_sample_rate(struct minstrel
+@@ -1455,8 +1458,7 @@ minstrel_get_sample_rate(struct minstrel
  	 * if the link is working perfectly.
  	 */
  
@@ -318,7 +321,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	if (sample_dur >= minstrel_get_duration(tp_rate2) &&
  	    (cur_max_tp_streams - 1 <
  	     minstrel_mcs_groups[sample_group].streams ||
-@@ -1484,7 +1487,7 @@ minstrel_ht_get_rate(void *priv, struct
+@@ -1484,7 +1486,7 @@ minstrel_ht_get_rate(void *priv, struct
  	int sample_idx;
  
  	if (!(info->flags & IEEE80211_TX_CTL_AMPDU) &&
@@ -327,7 +330,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  		minstrel_aggr_check(sta, txrc->skb);
  
  	info->flags |= mi->tx_flags;
-@@ -1512,8 +1515,8 @@ minstrel_ht_get_rate(void *priv, struct
+@@ -1512,8 +1514,8 @@ minstrel_ht_get_rate(void *priv, struct
  	if (sample_idx < 0)
  		return;
  
@@ -338,7 +341,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  
  	if (sample_group == &minstrel_mcs_groups[MINSTREL_CCK_GROUP] &&
  	    (sample_idx >= 4) != txrc->short_preamble)
-@@ -1529,7 +1532,7 @@ minstrel_ht_get_rate(void *priv, struct
+@@ -1529,7 +1531,7 @@ minstrel_ht_get_rate(void *priv, struct
  		int idx = sample_idx % ARRAY_SIZE(mp->ofdm_rates[0]);
  		rate->idx = mp->ofdm_rates[mi->band][idx];
  	} else if (sample_group->flags & IEEE80211_TX_RC_VHT_MCS) {
@@ -347,7 +350,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  				       sample_group->streams);
  	} else {
  		rate->idx = sample_idx + (sample_group->streams - 1) * 8;
-@@ -1898,8 +1901,8 @@ static u32 minstrel_ht_get_expected_thro
+@@ -1898,8 +1900,8 @@ static u32 minstrel_ht_get_expected_thro
  	struct minstrel_ht_sta *mi = priv_sta;
  	int i, j, prob, tp_avg;
  

package/kernel/mac80211/patches/subsys/347-mac80211-minstrel_ht-update-total-packets-counter-in.patch

@@ -10,7 +10,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
 
 --- a/net/mac80211/rc80211_minstrel_ht.c
 +++ b/net/mac80211/rc80211_minstrel_ht.c
-@@ -1093,6 +1093,16 @@ minstrel_ht_tx_status(void *priv, struct
+@@ -1092,6 +1092,16 @@ minstrel_ht_tx_status(void *priv, struct
  		info->status.ampdu_len = 1;
  	}
  
@@ -27,7 +27,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	mi->ampdu_packets++;
  	mi->ampdu_len += info->status.ampdu_len;
  
-@@ -1104,9 +1114,6 @@ minstrel_ht_tx_status(void *priv, struct
+@@ -1103,9 +1113,6 @@ minstrel_ht_tx_status(void *priv, struct
  		mi->sample_count--;
  	}
  
@@ -37,7 +37,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	if (mi->sample_mode != MINSTREL_SAMPLE_IDLE)
  		rate_sample = minstrel_get_ratestats(mi, mi->sample_rate);
  
-@@ -1504,14 +1511,6 @@ minstrel_ht_get_rate(void *priv, struct
+@@ -1503,14 +1510,6 @@ minstrel_ht_get_rate(void *priv, struct
  	else
  		sample_idx = minstrel_get_sample_rate(mp, mi);
  

package/kernel/mac80211/patches/subsys/348-mac80211-minstrel_ht-reduce-the-need-to-sample-slowe.patch

@@ -37,8 +37,8 @@ Signed-off-by: Felix Fietkau <[email protected]>
 -	mi->sample_slow = 0;
  	mi->sample_count = 0;
  
- 	memset(tmp_mcs_tp_rate, 0, sizeof(tmp_mcs_tp_rate));
-@@ -883,6 +879,7 @@ minstrel_ht_update_stats(struct minstrel
+ 	if (mi->supported[MINSTREL_CCK_GROUP])
+@@ -882,6 +878,7 @@ minstrel_ht_update_stats(struct minstrel
  	/* Find best rate sets within all MCS groups*/
  	for (group = 0; group < ARRAY_SIZE(minstrel_mcs_groups); group++) {
  		u16 *tp_rate = tmp_mcs_tp_rate;
@@ -46,7 +46,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  
  		mg = &mi->groups[group];
  		if (!mi->supported[group])
-@@ -897,7 +894,7 @@ minstrel_ht_update_stats(struct minstrel
+@@ -896,7 +893,7 @@ minstrel_ht_update_stats(struct minstrel
  		if (group == MINSTREL_CCK_GROUP && ht_supported)
  			tp_rate = tmp_legacy_tp_rate;
  
@@ -55,7 +55,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  			if (!(mi->supported[group] & BIT(i)))
  				continue;
  
-@@ -906,6 +903,11 @@ minstrel_ht_update_stats(struct minstrel
+@@ -905,6 +902,11 @@ minstrel_ht_update_stats(struct minstrel
  			mrs = &mg->rates[i];
  			mrs->retry_updated = false;
  			minstrel_ht_calc_rate_stats(mp, mrs);
@@ -67,7 +67,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  			cur_prob = mrs->prob_avg;
  
  			if (minstrel_ht_get_tp_avg(mi, group, i, cur_prob) == 0)
-@@ -1470,13 +1472,9 @@ minstrel_get_sample_rate(struct minstrel
+@@ -1469,13 +1471,9 @@ minstrel_get_sample_rate(struct minstrel
  	if (sample_dur >= minstrel_get_duration(tp_rate2) &&
  	    (cur_max_tp_streams - 1 <
  	     minstrel_mcs_groups[sample_group].streams ||

package/kernel/mac80211/patches/subsys/349-mac80211-minstrel_ht-significantly-redesign-the-rate.patch

@@ -474,10 +474,10 @@ Signed-off-by: Felix Fietkau <[email protected]>
  
 -	mi->sample_count = 0;
 -
- 	memset(tmp_mcs_tp_rate, 0, sizeof(tmp_mcs_tp_rate));
- 	memset(tmp_legacy_tp_rate, 0, sizeof(tmp_legacy_tp_rate));
- 
-@@ -885,8 +1081,6 @@ minstrel_ht_update_stats(struct minstrel
+ 	if (mi->supported[MINSTREL_CCK_GROUP])
+ 		group = MINSTREL_CCK_GROUP;
+ 	else if (mi->supported[MINSTREL_OFDM_GROUP])
+@@ -884,8 +1080,6 @@ minstrel_ht_update_stats(struct minstrel
  		if (!mi->supported[group])
  			continue;
  
@@ -486,7 +486,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  		/* (re)Initialize group rate indexes */
  		for(j = 0; j < MAX_THR_RATES; j++)
  			tmp_group_tp_rate[j] = MI_RATE(group, 0);
-@@ -953,9 +1147,7 @@ minstrel_ht_update_stats(struct minstrel
+@@ -952,9 +1146,7 @@ minstrel_ht_update_stats(struct minstrel
  
  	/* Try to increase robustness of max_prob_rate*/
  	minstrel_ht_prob_rate_reduce_streams(mi);
@@ -497,7 +497,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  
  	if (sample)
  		minstrel_ht_rate_sample_switch(mp, mi);
-@@ -972,6 +1164,7 @@ minstrel_ht_update_stats(struct minstrel
+@@ -971,6 +1163,7 @@ minstrel_ht_update_stats(struct minstrel
  
  	/* Reset update timer */
  	mi->last_stats_update = jiffies;
@@ -505,7 +505,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  }
  
  static bool
-@@ -1002,28 +1195,6 @@ minstrel_ht_txstat_valid(struct minstrel
+@@ -1001,28 +1194,6 @@ minstrel_ht_txstat_valid(struct minstrel
  }
  
  static void
@@ -534,7 +534,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  minstrel_downgrade_rate(struct minstrel_ht_sta *mi, u16 *idx, bool primary)
  {
  	int group, orig_group;
-@@ -1108,14 +1279,6 @@ minstrel_ht_tx_status(void *priv, struct
+@@ -1107,14 +1278,6 @@ minstrel_ht_tx_status(void *priv, struct
  	mi->ampdu_packets++;
  	mi->ampdu_len += info->status.ampdu_len;
  
@@ -549,7 +549,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	if (mi->sample_mode != MINSTREL_SAMPLE_IDLE)
  		rate_sample = minstrel_get_ratestats(mi, mi->sample_rate);
  
-@@ -1387,97 +1550,20 @@ minstrel_ht_update_rates(struct minstrel
+@@ -1386,97 +1549,20 @@ minstrel_ht_update_rates(struct minstrel
  	rate_control_set_rates(mp->hw, mi->sta, rates);
  }
  
@@ -656,7 +656,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  }
  
  static void
-@@ -1489,7 +1575,7 @@ minstrel_ht_get_rate(void *priv, struct
+@@ -1488,7 +1574,7 @@ minstrel_ht_get_rate(void *priv, struct
  	struct ieee80211_tx_rate *rate = &info->status.rates[0];
  	struct minstrel_ht_sta *mi = priv_sta;
  	struct minstrel_priv *mp = priv;
@@ -665,7 +665,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  
  	if (!(info->flags & IEEE80211_TX_CTL_AMPDU) &&
  	    !minstrel_ht_is_legacy_group(MI_RATE_GROUP(mi->max_prob_rate)))
-@@ -1505,11 +1591,19 @@ minstrel_ht_get_rate(void *priv, struct
+@@ -1504,11 +1590,19 @@ minstrel_ht_get_rate(void *priv, struct
  	/* Don't use EAPOL frames for sampling on non-mrr hw */
  	if (mp->hw->max_rates == 1 &&
  	    (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO))
@@ -689,7 +689,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  		return;
  
  	sample_group = &minstrel_mcs_groups[MI_RATE_GROUP(sample_idx)];
-@@ -1630,16 +1724,6 @@ minstrel_ht_update_caps(void *priv, stru
+@@ -1629,16 +1723,6 @@ minstrel_ht_update_caps(void *priv, stru
  
  	mi->avg_ampdu_len = MINSTREL_FRAC(1, 1);
  

package/kernel/mac80211/patches/subsys/351-mac80211-minstrel_ht-remove-sample-rate-switching-co.patch

@@ -70,7 +70,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	if (mi->ampdu_packets > 0) {
  		if (!ieee80211_hw_check(mp->hw, TX_STATUS_NO_AMPDU_LEN))
  			mi->avg_ampdu_len = minstrel_ewma(mi->avg_ampdu_len,
-@@ -1149,16 +1115,12 @@ minstrel_ht_update_stats(struct minstrel
+@@ -1148,16 +1114,12 @@ minstrel_ht_update_stats(struct minstrel
  	minstrel_ht_prob_rate_reduce_streams(mi);
  	minstrel_ht_refill_sample_rates(mi);
  
@@ -87,7 +87,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	}
  #endif
  
-@@ -1248,11 +1210,10 @@ minstrel_ht_tx_status(void *priv, struct
+@@ -1247,11 +1209,10 @@ minstrel_ht_tx_status(void *priv, struct
  	struct ieee80211_tx_info *info = st->info;
  	struct minstrel_ht_sta *mi = priv_sta;
  	struct ieee80211_tx_rate *ar = info->status.rates;
@@ -100,7 +100,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	int i;
  
  	/* This packet was aggregated but doesn't carry status info */
-@@ -1279,49 +1240,18 @@ minstrel_ht_tx_status(void *priv, struct
+@@ -1278,49 +1239,18 @@ minstrel_ht_tx_status(void *priv, struct
  	mi->ampdu_packets++;
  	mi->ampdu_len += info->status.ampdu_len;
  
@@ -150,7 +150,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	if (mp->hw->max_rates > 1) {
  		/*
  		 * check for sudden death of spatial multiplexing,
-@@ -1344,7 +1274,7 @@ minstrel_ht_tx_status(void *priv, struct
+@@ -1343,7 +1273,7 @@ minstrel_ht_tx_status(void *priv, struct
  
  	if (time_after(jiffies, mi->last_stats_update + update_interval)) {
  		update = true;
@@ -159,7 +159,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	}
  
  	if (update)
-@@ -1523,18 +1453,14 @@ static void
+@@ -1522,18 +1452,14 @@ static void
  minstrel_ht_update_rates(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
  {
  	struct ieee80211_sta_rates *rates;
@@ -179,7 +179,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  
  	if (mp->hw->max_rates >= 3) {
  		/* At least 3 tx rates supported, use max_tp_rate[1] next */
-@@ -1593,11 +1519,6 @@ minstrel_ht_get_rate(void *priv, struct
+@@ -1592,11 +1518,6 @@ minstrel_ht_get_rate(void *priv, struct
  	    (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO))
  		return;
  
@@ -191,7 +191,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	if (time_is_before_jiffies(mi->sample_time))
  		return;
  
-@@ -1811,7 +1732,7 @@ minstrel_ht_update_caps(void *priv, stru
+@@ -1810,7 +1731,7 @@ minstrel_ht_update_caps(void *priv, stru
  	minstrel_ht_update_ofdm(mp, mi, sband, sta);
  
  	/* create an initial rate table with the lowest supported rates */
@@ -200,7 +200,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	minstrel_ht_update_rates(mp, mi);
  }
  
-@@ -1927,8 +1848,6 @@ minstrel_ht_alloc(struct ieee80211_hw *h
+@@ -1926,8 +1847,6 @@ minstrel_ht_alloc(struct ieee80211_hw *h
  	if (!mp)
  		return NULL;
  
@@ -209,7 +209,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  	/* contention window settings
  	 * Just an approximation. Using the per-queue values would complicate
  	 * the calculations and is probably unnecessary */
-@@ -1948,7 +1867,7 @@ minstrel_ht_alloc(struct ieee80211_hw *h
+@@ -1947,7 +1866,7 @@ minstrel_ht_alloc(struct ieee80211_hw *h
  		mp->has_mrr = true;
  
  	mp->hw = hw;
@@ -218,7 +218,7 @@ Signed-off-by: Felix Fietkau <[email protected]>
  
  	minstrel_ht_init_cck_rates(mp);
  	for (i = 0; i < ARRAY_SIZE(mp->hw->wiphy->bands); i++)
-@@ -1966,8 +1885,6 @@ static void minstrel_ht_add_debugfs(stru
+@@ -1965,8 +1884,6 @@ static void minstrel_ht_add_debugfs(stru
  	mp->fixed_rate_idx = (u32) -1;
  	debugfs_create_u32("fixed_rate_idx", S_IRUGO | S_IWUGO, debugfsdir,
  			   &mp->fixed_rate_idx);