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Diffstat (limited to 'net/mac80211/rc80211_minstrel_ht.c')
-rw-r--r--net/mac80211/rc80211_minstrel_ht.c298
1 files changed, 191 insertions, 107 deletions
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 67ebdeaffbbc..f466ec37d161 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -52,22 +52,23 @@
_streams - 1
/* MCS rate information for an MCS group */
-#define MCS_GROUP(_streams, _sgi, _ht40) \
+#define MCS_GROUP(_streams, _sgi, _ht40, _s) \
[GROUP_IDX(_streams, _sgi, _ht40)] = { \
.streams = _streams, \
+ .shift = _s, \
.flags = \
IEEE80211_TX_RC_MCS | \
(_sgi ? IEEE80211_TX_RC_SHORT_GI : 0) | \
(_ht40 ? IEEE80211_TX_RC_40_MHZ_WIDTH : 0), \
.duration = { \
- MCS_DURATION(_streams, _sgi, _ht40 ? 54 : 26), \
- MCS_DURATION(_streams, _sgi, _ht40 ? 108 : 52), \
- MCS_DURATION(_streams, _sgi, _ht40 ? 162 : 78), \
- MCS_DURATION(_streams, _sgi, _ht40 ? 216 : 104), \
- MCS_DURATION(_streams, _sgi, _ht40 ? 324 : 156), \
- MCS_DURATION(_streams, _sgi, _ht40 ? 432 : 208), \
- MCS_DURATION(_streams, _sgi, _ht40 ? 486 : 234), \
- MCS_DURATION(_streams, _sgi, _ht40 ? 540 : 260) \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 54 : 26) >> _s, \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 108 : 52) >> _s, \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 162 : 78) >> _s, \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 216 : 104) >> _s, \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 324 : 156) >> _s, \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 432 : 208) >> _s, \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 486 : 234) >> _s, \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 540 : 260) >> _s \
} \
}
@@ -80,9 +81,10 @@
#define BW2VBPS(_bw, r3, r2, r1) \
(_bw == BW_80 ? r3 : _bw == BW_40 ? r2 : r1)
-#define VHT_GROUP(_streams, _sgi, _bw) \
+#define VHT_GROUP(_streams, _sgi, _bw, _s) \
[VHT_GROUP_IDX(_streams, _sgi, _bw)] = { \
.streams = _streams, \
+ .shift = _s, \
.flags = \
IEEE80211_TX_RC_VHT_MCS | \
(_sgi ? IEEE80211_TX_RC_SHORT_GI : 0) | \
@@ -90,25 +92,25 @@
_bw == BW_40 ? IEEE80211_TX_RC_40_MHZ_WIDTH : 0), \
.duration = { \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 117, 54, 26)), \
+ BW2VBPS(_bw, 117, 54, 26)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 234, 108, 52)), \
+ BW2VBPS(_bw, 234, 108, 52)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 351, 162, 78)), \
+ BW2VBPS(_bw, 351, 162, 78)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 468, 216, 104)), \
+ BW2VBPS(_bw, 468, 216, 104)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 702, 324, 156)), \
+ BW2VBPS(_bw, 702, 324, 156)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 936, 432, 208)), \
+ BW2VBPS(_bw, 936, 432, 208)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 1053, 486, 234)), \
+ BW2VBPS(_bw, 1053, 486, 234)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 1170, 540, 260)), \
+ BW2VBPS(_bw, 1170, 540, 260)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 1404, 648, 312)), \
+ BW2VBPS(_bw, 1404, 648, 312)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 1560, 720, 346)) \
+ BW2VBPS(_bw, 1560, 720, 346)) >> _s \
} \
}
@@ -121,28 +123,27 @@
(CCK_DURATION((_bitrate > 10 ? 20 : 10), false, 60) + \
CCK_DURATION(_bitrate, _short, AVG_PKT_SIZE))
-#define CCK_DURATION_LIST(_short) \
- CCK_ACK_DURATION(10, _short), \
- CCK_ACK_DURATION(20, _short), \
- CCK_ACK_DURATION(55, _short), \
- CCK_ACK_DURATION(110, _short)
+#define CCK_DURATION_LIST(_short, _s) \
+ CCK_ACK_DURATION(10, _short) >> _s, \
+ CCK_ACK_DURATION(20, _short) >> _s, \
+ CCK_ACK_DURATION(55, _short) >> _s, \
+ CCK_ACK_DURATION(110, _short) >> _s
-#define CCK_GROUP \
+#define CCK_GROUP(_s) \
[MINSTREL_CCK_GROUP] = { \
- .streams = 0, \
+ .streams = 1, \
.flags = 0, \
+ .shift = _s, \
.duration = { \
- CCK_DURATION_LIST(false), \
- CCK_DURATION_LIST(true) \
+ CCK_DURATION_LIST(false, _s), \
+ CCK_DURATION_LIST(true, _s) \
} \
}
-#ifdef CONFIG_MAC80211_RC_MINSTREL_VHT
static bool minstrel_vht_only = true;
module_param(minstrel_vht_only, bool, 0644);
MODULE_PARM_DESC(minstrel_vht_only,
"Use only VHT rates when VHT is supported by sta.");
-#endif
/*
* To enable sufficiently targeted rate sampling, MCS rates are divided into
@@ -153,49 +154,47 @@ MODULE_PARM_DESC(minstrel_vht_only,
* BW -> SGI -> #streams
*/
const struct mcs_group minstrel_mcs_groups[] = {
- MCS_GROUP(1, 0, BW_20),
- MCS_GROUP(2, 0, BW_20),
- MCS_GROUP(3, 0, BW_20),
+ MCS_GROUP(1, 0, BW_20, 5),
+ MCS_GROUP(2, 0, BW_20, 4),
+ MCS_GROUP(3, 0, BW_20, 4),
- MCS_GROUP(1, 1, BW_20),
- MCS_GROUP(2, 1, BW_20),
- MCS_GROUP(3, 1, BW_20),
+ MCS_GROUP(1, 1, BW_20, 5),
+ MCS_GROUP(2, 1, BW_20, 4),
+ MCS_GROUP(3, 1, BW_20, 4),
- MCS_GROUP(1, 0, BW_40),
- MCS_GROUP(2, 0, BW_40),
- MCS_GROUP(3, 0, BW_40),
+ MCS_GROUP(1, 0, BW_40, 4),
+ MCS_GROUP(2, 0, BW_40, 4),
+ MCS_GROUP(3, 0, BW_40, 4),
- MCS_GROUP(1, 1, BW_40),
- MCS_GROUP(2, 1, BW_40),
- MCS_GROUP(3, 1, BW_40),
+ MCS_GROUP(1, 1, BW_40, 4),
+ MCS_GROUP(2, 1, BW_40, 4),
+ MCS_GROUP(3, 1, BW_40, 4),
- CCK_GROUP,
+ CCK_GROUP(8),
-#ifdef CONFIG_MAC80211_RC_MINSTREL_VHT
- VHT_GROUP(1, 0, BW_20),
- VHT_GROUP(2, 0, BW_20),
- VHT_GROUP(3, 0, BW_20),
+ VHT_GROUP(1, 0, BW_20, 5),
+ VHT_GROUP(2, 0, BW_20, 4),
+ VHT_GROUP(3, 0, BW_20, 4),
- VHT_GROUP(1, 1, BW_20),
- VHT_GROUP(2, 1, BW_20),
- VHT_GROUP(3, 1, BW_20),
+ VHT_GROUP(1, 1, BW_20, 5),
+ VHT_GROUP(2, 1, BW_20, 4),
+ VHT_GROUP(3, 1, BW_20, 4),
- VHT_GROUP(1, 0, BW_40),
- VHT_GROUP(2, 0, BW_40),
- VHT_GROUP(3, 0, BW_40),
+ VHT_GROUP(1, 0, BW_40, 4),
+ VHT_GROUP(2, 0, BW_40, 4),
+ VHT_GROUP(3, 0, BW_40, 4),
- VHT_GROUP(1, 1, BW_40),
- VHT_GROUP(2, 1, BW_40),
- VHT_GROUP(3, 1, BW_40),
+ VHT_GROUP(1, 1, BW_40, 4),
+ VHT_GROUP(2, 1, BW_40, 4),
+ VHT_GROUP(3, 1, BW_40, 4),
- VHT_GROUP(1, 0, BW_80),
- VHT_GROUP(2, 0, BW_80),
- VHT_GROUP(3, 0, BW_80),
+ VHT_GROUP(1, 0, BW_80, 4),
+ VHT_GROUP(2, 0, BW_80, 4),
+ VHT_GROUP(3, 0, BW_80, 4),
- VHT_GROUP(1, 1, BW_80),
- VHT_GROUP(2, 1, BW_80),
- VHT_GROUP(3, 1, BW_80),
-#endif
+ VHT_GROUP(1, 1, BW_80, 4),
+ VHT_GROUP(2, 1, BW_80, 4),
+ VHT_GROUP(3, 1, BW_80, 4),
};
static u8 sample_table[SAMPLE_COLUMNS][MCS_GROUP_RATES] __read_mostly;
@@ -282,7 +281,8 @@ minstrel_ht_get_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi,
break;
/* short preamble */
- if (!(mi->supported[group] & BIT(idx)))
+ if ((mi->supported[group] & BIT(idx + 4)) &&
+ (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE))
idx += 4;
}
return &mi->groups[group].rates[idx];
@@ -311,7 +311,8 @@ minstrel_ht_get_tp_avg(struct minstrel_ht_sta *mi, int group, int rate,
if (group != MINSTREL_CCK_GROUP)
nsecs = 1000 * mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len);
- nsecs += minstrel_mcs_groups[group].duration[rate];
+ nsecs += minstrel_mcs_groups[group].duration[rate] <<
+ minstrel_mcs_groups[group].shift;
/*
* For the throughput calculation, limit the probability value to 90% to
@@ -759,12 +760,19 @@ minstrel_ht_tx_status(void *priv, struct ieee80211_supported_band *sband,
minstrel_ht_update_rates(mp, mi);
}
+static inline int
+minstrel_get_duration(int index)
+{
+ const struct mcs_group *group = &minstrel_mcs_groups[index / MCS_GROUP_RATES];
+ unsigned int duration = group->duration[index % MCS_GROUP_RATES];
+ return duration << group->shift;
+}
+
static void
minstrel_calc_retransmit(struct minstrel_priv *mp, struct minstrel_ht_sta *mi,
int index)
{
struct minstrel_rate_stats *mrs;
- const struct mcs_group *group;
unsigned int tx_time, tx_time_rtscts, tx_time_data;
unsigned int cw = mp->cw_min;
unsigned int ctime = 0;
@@ -783,8 +791,7 @@ minstrel_calc_retransmit(struct minstrel_priv *mp, struct minstrel_ht_sta *mi,
mrs->retry_count_rtscts = 2;
mrs->retry_updated = true;
- group = &minstrel_mcs_groups[index / MCS_GROUP_RATES];
- tx_time_data = group->duration[index % MCS_GROUP_RATES] * ampdu_len / 1000;
+ tx_time_data = minstrel_get_duration(index) * ampdu_len / 1000;
/* Contention time for first 2 tries */
ctime = (t_slot * cw) >> 1;
@@ -878,20 +885,24 @@ minstrel_ht_get_max_amsdu_len(struct minstrel_ht_sta *mi)
int group = mi->max_prob_rate / MCS_GROUP_RATES;
const struct mcs_group *g = &minstrel_mcs_groups[group];
int rate = mi->max_prob_rate % MCS_GROUP_RATES;
+ unsigned int duration;
/* Disable A-MSDU if max_prob_rate is bad */
if (mi->groups[group].rates[rate].prob_ewma < MINSTREL_FRAC(50, 100))
return 1;
+ duration = g->duration[rate];
+ duration <<= g->shift;
+
/* If the rate is slower than single-stream MCS1, make A-MSDU limit small */
- if (g->duration[rate] > MCS_DURATION(1, 0, 52))
+ if (duration > MCS_DURATION(1, 0, 52))
return 500;
/*
* If the rate is slower than single-stream MCS4, limit A-MSDU to usual
* data packet size
*/
- if (g->duration[rate] > MCS_DURATION(1, 0, 104))
+ if (duration > MCS_DURATION(1, 0, 104))
return 1600;
/*
@@ -899,7 +910,7 @@ minstrel_ht_get_max_amsdu_len(struct minstrel_ht_sta *mi)
* rate success probability is less than 75%, limit A-MSDU to twice the usual
* data packet size
*/
- if (g->duration[rate] > MCS_DURATION(1, 0, 260) ||
+ if (duration > MCS_DURATION(1, 0, 260) ||
(minstrel_ht_get_prob_ewma(mi, mi->max_tp_rate[0]) <
MINSTREL_FRAC(75, 100)))
return 3200;
@@ -946,13 +957,6 @@ minstrel_ht_update_rates(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
rate_control_set_rates(mp->hw, mi->sta, rates);
}
-static inline int
-minstrel_get_duration(int index)
-{
- const struct mcs_group *group = &minstrel_mcs_groups[index / MCS_GROUP_RATES];
- return group->duration[index % MCS_GROUP_RATES];
-}
-
static int
minstrel_get_sample_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
{
@@ -1000,10 +1004,13 @@ minstrel_get_sample_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
return -1;
/*
- * Do not sample if the probability is already higher than 95%
- * to avoid wasting airtime.
+ * Do not sample if the probability is already higher than 95%,
+ * or if the rate is 3 times slower than the current max probability
+ * rate, to avoid wasting airtime.
*/
- if (mrs->prob_ewma > MINSTREL_FRAC(95, 100))
+ sample_dur = minstrel_get_duration(sample_idx);
+ if (mrs->prob_ewma > MINSTREL_FRAC(95, 100) ||
+ minstrel_get_duration(mi->max_prob_rate) * 3 < sample_dur)
return -1;
/*
@@ -1013,7 +1020,6 @@ minstrel_get_sample_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
cur_max_tp_streams = minstrel_mcs_groups[tp_rate1 /
MCS_GROUP_RATES].streams;
- sample_dur = minstrel_get_duration(sample_idx);
if (sample_dur >= minstrel_get_duration(tp_rate2) &&
(cur_max_tp_streams - 1 <
minstrel_mcs_groups[sample_group].streams ||
@@ -1077,18 +1083,23 @@ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
return;
sample_group = &minstrel_mcs_groups[sample_idx / MCS_GROUP_RATES];
+ sample_idx %= MCS_GROUP_RATES;
+
+ if (sample_group == &minstrel_mcs_groups[MINSTREL_CCK_GROUP] &&
+ (sample_idx >= 4) != txrc->short_preamble)
+ return;
+
info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
rate->count = 1;
- if (sample_idx / MCS_GROUP_RATES == MINSTREL_CCK_GROUP) {
+ if (sample_group == &minstrel_mcs_groups[MINSTREL_CCK_GROUP]) {
int idx = sample_idx % ARRAY_SIZE(mp->cck_rates);
rate->idx = mp->cck_rates[idx];
} else if (sample_group->flags & IEEE80211_TX_RC_VHT_MCS) {
ieee80211_rate_set_vht(rate, sample_idx % MCS_GROUP_RATES,
sample_group->streams);
} else {
- rate->idx = sample_idx % MCS_GROUP_RATES +
- (sample_group->streams - 1) * 8;
+ rate->idx = sample_idx + (sample_group->streams - 1) * 8;
}
rate->flags = sample_group->flags;
@@ -1130,14 +1141,14 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
struct minstrel_ht_sta_priv *msp = priv_sta;
struct minstrel_ht_sta *mi = &msp->ht;
struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
- u16 sta_cap = sta->ht_cap.cap;
+ u16 ht_cap = sta->ht_cap.cap;
struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
- struct sta_info *sinfo = container_of(sta, struct sta_info, sta);
int use_vht;
int n_supported = 0;
int ack_dur;
int stbc;
int i;
+ bool ldpc;
/* fall back to the old minstrel for legacy stations */
if (!sta->ht_cap.ht_supported)
@@ -1145,12 +1156,10 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
BUILD_BUG_ON(ARRAY_SIZE(minstrel_mcs_groups) != MINSTREL_GROUPS_NB);
-#ifdef CONFIG_MAC80211_RC_MINSTREL_VHT
if (vht_cap->vht_supported)
use_vht = vht_cap->vht_mcs.tx_mcs_map != cpu_to_le16(~0);
else
-#endif
- use_vht = 0;
+ use_vht = 0;
msp->is_ht = true;
memset(mi, 0, sizeof(*mi));
@@ -1175,16 +1184,22 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
}
mi->sample_tries = 4;
- /* TODO tx_flags for vht - ATM the RC API is not fine-grained enough */
if (!use_vht) {
- stbc = (sta_cap & IEEE80211_HT_CAP_RX_STBC) >>
+ stbc = (ht_cap & IEEE80211_HT_CAP_RX_STBC) >>
IEEE80211_HT_CAP_RX_STBC_SHIFT;
- mi->tx_flags |= stbc << IEEE80211_TX_CTL_STBC_SHIFT;
- if (sta_cap & IEEE80211_HT_CAP_LDPC_CODING)
- mi->tx_flags |= IEEE80211_TX_CTL_LDPC;
+ ldpc = ht_cap & IEEE80211_HT_CAP_LDPC_CODING;
+ } else {
+ stbc = (vht_cap->cap & IEEE80211_VHT_CAP_RXSTBC_MASK) >>
+ IEEE80211_VHT_CAP_RXSTBC_SHIFT;
+
+ ldpc = vht_cap->cap & IEEE80211_VHT_CAP_RXLDPC;
}
+ mi->tx_flags |= stbc << IEEE80211_TX_CTL_STBC_SHIFT;
+ if (ldpc)
+ mi->tx_flags |= IEEE80211_TX_CTL_LDPC;
+
for (i = 0; i < ARRAY_SIZE(mi->groups); i++) {
u32 gflags = minstrel_mcs_groups[i].flags;
int bw, nss;
@@ -1197,10 +1212,10 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
if (gflags & IEEE80211_TX_RC_SHORT_GI) {
if (gflags & IEEE80211_TX_RC_40_MHZ_WIDTH) {
- if (!(sta_cap & IEEE80211_HT_CAP_SGI_40))
+ if (!(ht_cap & IEEE80211_HT_CAP_SGI_40))
continue;
} else {
- if (!(sta_cap & IEEE80211_HT_CAP_SGI_20))
+ if (!(ht_cap & IEEE80211_HT_CAP_SGI_20))
continue;
}
}
@@ -1217,10 +1232,9 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
/* HT rate */
if (gflags & IEEE80211_TX_RC_MCS) {
-#ifdef CONFIG_MAC80211_RC_MINSTREL_VHT
if (use_vht && minstrel_vht_only)
continue;
-#endif
+
mi->supported[i] = mcs->rx_mask[nss - 1];
if (mi->supported[i])
n_supported++;
@@ -1258,8 +1272,7 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
if (!n_supported)
goto use_legacy;
- if (test_sta_flag(sinfo, WLAN_STA_SHORT_PREAMBLE))
- mi->cck_supported_short |= mi->cck_supported_short << 4;
+ mi->supported[MINSTREL_CCK_GROUP] |= mi->cck_supported_short << 4;
/* create an initial rate table with the lowest supported rates */
minstrel_ht_update_stats(mp, mi);
@@ -1340,16 +1353,88 @@ minstrel_ht_free_sta(void *priv, struct ieee80211_sta *sta, void *priv_sta)
kfree(msp);
}
+static void
+minstrel_ht_init_cck_rates(struct minstrel_priv *mp)
+{
+ static const int bitrates[4] = { 10, 20, 55, 110 };
+ struct ieee80211_supported_band *sband;
+ u32 rate_flags = ieee80211_chandef_rate_flags(&mp->hw->conf.chandef);
+ int i, j;
+
+ sband = mp->hw->wiphy->bands[NL80211_BAND_2GHZ];
+ if (!sband)
+ return;
+
+ for (i = 0; i < sband->n_bitrates; i++) {
+ struct ieee80211_rate *rate = &sband->bitrates[i];
+
+ if (rate->flags & IEEE80211_RATE_ERP_G)
+ continue;
+
+ if ((rate_flags & sband->bitrates[i].flags) != rate_flags)
+ continue;
+
+ for (j = 0; j < ARRAY_SIZE(bitrates); j++) {
+ if (rate->bitrate != bitrates[j])
+ continue;
+
+ mp->cck_rates[j] = i;
+ break;
+ }
+ }
+}
+
static void *
minstrel_ht_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
{
- return mac80211_minstrel.alloc(hw, debugfsdir);
+ struct minstrel_priv *mp;
+
+ mp = kzalloc(sizeof(struct minstrel_priv), GFP_ATOMIC);
+ if (!mp)
+ return NULL;
+
+ /* contention window settings
+ * Just an approximation. Using the per-queue values would complicate
+ * the calculations and is probably unnecessary */
+ mp->cw_min = 15;
+ mp->cw_max = 1023;
+
+ /* number of packets (in %) to use for sampling other rates
+ * sample less often for non-mrr packets, because the overhead
+ * is much higher than with mrr */
+ mp->lookaround_rate = 5;
+ mp->lookaround_rate_mrr = 10;
+
+ /* maximum time that the hw is allowed to stay in one MRR segment */
+ mp->segment_size = 6000;
+
+ if (hw->max_rate_tries > 0)
+ mp->max_retry = hw->max_rate_tries;
+ else
+ /* safe default, does not necessarily have to match hw properties */
+ mp->max_retry = 7;
+
+ if (hw->max_rates >= 4)
+ mp->has_mrr = true;
+
+ mp->hw = hw;
+ mp->update_interval = 100;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ mp->fixed_rate_idx = (u32) -1;
+ debugfs_create_u32("fixed_rate_idx", S_IRUGO | S_IWUGO, debugfsdir,
+ &mp->fixed_rate_idx);
+#endif
+
+ minstrel_ht_init_cck_rates(mp);
+
+ return mp;
}
static void
minstrel_ht_free(void *priv)
{
- mac80211_minstrel.free(priv);
+ kfree(priv);
}
static u32 minstrel_ht_get_expected_throughput(void *priv_sta)
@@ -1384,7 +1469,6 @@ static const struct rate_control_ops mac80211_minstrel_ht = {
.free = minstrel_ht_free,
#ifdef CONFIG_MAC80211_DEBUGFS
.add_sta_debugfs = minstrel_ht_add_sta_debugfs,
- .remove_sta_debugfs = minstrel_ht_remove_sta_debugfs,
#endif
.get_expected_throughput = minstrel_ht_get_expected_throughput,
};
@@ -1409,14 +1493,14 @@ static void __init init_sample_table(void)
}
int __init
-rc80211_minstrel_ht_init(void)
+rc80211_minstrel_init(void)
{
init_sample_table();
return ieee80211_rate_control_register(&mac80211_minstrel_ht);
}
void
-rc80211_minstrel_ht_exit(void)
+rc80211_minstrel_exit(void)
{
ieee80211_rate_control_unregister(&mac80211_minstrel_ht);
}
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