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authorFelix Fietkau <nbd@nbd.name>2018-03-01 11:59:47 +0100
committerFelix Fietkau <nbd@nbd.name>2018-03-01 12:03:10 +0100
commit55bd80f6d871d1c6c70101579524c42cdb73ed7d (patch)
tree5563ca1b0c6ba5e2a6c8b62a9f9b1950c929e361 /package/kernel/mac80211/patches/327-mac80211-minstrel-merge-with-minstrel_ht-always-enab.patch
parent2995d9dfee4cd5a24ff30d15ac9168c9fd443625 (diff)
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mac80211: fix regression introduced by the recent minstrel changes
The cck rates array needs to be initialized for both the minstrel and the minstrel_ht variant Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'package/kernel/mac80211/patches/327-mac80211-minstrel-merge-with-minstrel_ht-always-enab.patch')
-rw-r--r--package/kernel/mac80211/patches/327-mac80211-minstrel-merge-with-minstrel_ht-always-enab.patch92
1 files changed, 40 insertions, 52 deletions
diff --git a/package/kernel/mac80211/patches/327-mac80211-minstrel-merge-with-minstrel_ht-always-enab.patch b/package/kernel/mac80211/patches/327-mac80211-minstrel-merge-with-minstrel_ht-always-enab.patch
index fe71079a63..a2bdfd81a0 100644
--- a/package/kernel/mac80211/patches/327-mac80211-minstrel-merge-with-minstrel_ht-always-enab.patch
+++ b/package/kernel/mac80211/patches/327-mac80211-minstrel-merge-with-minstrel_ht-always-enab.patch
@@ -117,55 +117,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
#endif /* IEEE80211_RATE_H */
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
-@@ -482,6 +482,38 @@ init_sample_table(struct minstrel_sta_in
- }
-
- static void
-+minstrel_init_cck_rates(struct minstrel_priv *mp,
-+ struct cfg80211_chan_def *chandef)
-+{
-+ static const int bitrates[4] = { 10, 20, 55, 110 };
-+ struct ieee80211_supported_band *sband;
-+ u32 rate_flags = ieee80211_chandef_rate_flags(chandef);
-+ int i, j;
-+
-+ sband = mp->hw->wiphy->bands[NL80211_BAND_2GHZ];
-+ if (!sband)
-+ return;
-+
-+ for (i = 0, j = 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_rate_init(void *priv, struct ieee80211_supported_band *sband,
- struct cfg80211_chan_def *chandef,
- struct ieee80211_sta *sta, void *priv_sta)
-@@ -493,6 +525,8 @@ minstrel_rate_init(void *priv, struct ie
- unsigned int t_slot = 9; /* FIXME: get real slot time */
- u32 rate_flags;
-
-+ minstrel_init_cck_rates(mp, chandef);
-+
- mi->sta = sta;
- mi->lowest_rix = rate_lowest_index(sband, sta);
- ctl_rate = &sband->bitrates[mi->lowest_rix];
-@@ -572,138 +606,6 @@ minstrel_rate_init(void *priv, struct ie
+@@ -572,138 +572,6 @@ minstrel_rate_init(void *priv, struct ie
minstrel_update_rates(mp, mi);
}
@@ -304,7 +256,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
static u32 minstrel_get_expected_throughput(void *priv_sta)
{
struct minstrel_sta_info *mi = priv_sta;
-@@ -722,29 +624,8 @@ static u32 minstrel_get_expected_through
+@@ -722,29 +590,8 @@ static u32 minstrel_get_expected_through
}
const struct rate_control_ops mac80211_minstrel = {
@@ -463,7 +415,41 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
mi->supported[i] = mcs->rx_mask[nss - 1];
if (mi->supported[i])
n_supported++;
-@@ -1352,13 +1345,52 @@ minstrel_ht_free_sta(void *priv, struct
+@@ -1349,16 +1342,88 @@ minstrel_ht_free_sta(void *priv, struct
+ 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, j = 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)
{
@@ -507,6 +493,8 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ &mp->fixed_rate_idx);
+#endif
+
++ minstrel_ht_init_cck_rates(mp);
++
+ return mp;
}
@@ -518,7 +506,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
}
static u32 minstrel_ht_get_expected_throughput(void *priv_sta)
-@@ -1417,14 +1449,14 @@ static void __init init_sample_table(voi
+@@ -1417,14 +1482,14 @@ static void __init init_sample_table(voi
}
int __init