[PATCH 1/2] mac80211: minstrel_ht: add support for rates with 4 spatial streams

[Felix Fietkau]

This is needed for the upcoming driver for MT7615 4x4 802.11ac chipsets

Signed-off-by: Felix Fietkau <n...@nbd.name>
---
 net/mac80211/rc80211_minstrel_ht.c | 10 ++++++++++
 net/mac80211/rc80211_minstrel_ht.h |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/rc80211_minstrel_ht.c 
b/net/mac80211/rc80211_minstrel_ht.c
index ccaf951e4e31..00a3a8ce27fe 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -157,44 +157,54 @@ const struct mcs_group minstrel_mcs_groups[] = {
        MCS_GROUP(1, 0, BW_20, 5),
        MCS_GROUP(2, 0, BW_20, 4),
        MCS_GROUP(3, 0, BW_20, 4),
+       MCS_GROUP(4, 0, BW_20, 4),
 
        MCS_GROUP(1, 1, BW_20, 5),
        MCS_GROUP(2, 1, BW_20, 4),
        MCS_GROUP(3, 1, BW_20, 4),
+       MCS_GROUP(4, 1, BW_20, 4),
 
        MCS_GROUP(1, 0, BW_40, 4),
        MCS_GROUP(2, 0, BW_40, 4),
        MCS_GROUP(3, 0, BW_40, 4),
+       MCS_GROUP(4, 0, BW_40, 4),
 
        MCS_GROUP(1, 1, BW_40, 4),
        MCS_GROUP(2, 1, BW_40, 4),
        MCS_GROUP(3, 1, BW_40, 4),
+       MCS_GROUP(4, 1, BW_40, 4),
 
        CCK_GROUP(8),
 
        VHT_GROUP(1, 0, BW_20, 5),
        VHT_GROUP(2, 0, BW_20, 4),
        VHT_GROUP(3, 0, BW_20, 4),
+       VHT_GROUP(4, 0, BW_20, 4),
 
        VHT_GROUP(1, 1, BW_20, 5),
        VHT_GROUP(2, 1, BW_20, 4),
        VHT_GROUP(3, 1, BW_20, 4),
+       VHT_GROUP(4, 1, BW_20, 4),
 
        VHT_GROUP(1, 0, BW_40, 4),
        VHT_GROUP(2, 0, BW_40, 4),
        VHT_GROUP(3, 0, BW_40, 4),
+       VHT_GROUP(4, 0, BW_40, 3),
 
        VHT_GROUP(1, 1, BW_40, 4),
        VHT_GROUP(2, 1, BW_40, 4),
        VHT_GROUP(3, 1, BW_40, 4),
+       VHT_GROUP(4, 1, BW_40, 3),
 
        VHT_GROUP(1, 0, BW_80, 4),
        VHT_GROUP(2, 0, BW_80, 4),
        VHT_GROUP(3, 0, BW_80, 4),
+       VHT_GROUP(4, 0, BW_80, 2),
 
        VHT_GROUP(1, 1, BW_80, 4),
        VHT_GROUP(2, 1, BW_80, 4),
        VHT_GROUP(3, 1, BW_80, 4),
+       VHT_GROUP(4, 1, BW_80, 2),
 };
 
 static u8 sample_table[SAMPLE_COLUMNS][MCS_GROUP_RATES] __read_mostly;
diff --git a/net/mac80211/rc80211_minstrel_ht.h 
b/net/mac80211/rc80211_minstrel_ht.h
index 26b7a3244b47..f762e5ba7c2e 100644
--- a/net/mac80211/rc80211_minstrel_ht.h
+++ b/net/mac80211/rc80211_minstrel_ht.h
@@ -13,7 +13,7 @@
  * The number of streams can be changed to 2 to reduce code
  * size and memory footprint.
  */
-#define MINSTREL_MAX_STREAMS           3
+#define MINSTREL_MAX_STREAMS           4
 #define MINSTREL_HT_STREAM_GROUPS      4 /* BW(=2) * SGI(=2) */
 #define MINSTREL_VHT_STREAM_GROUPS     6 /* BW(=3) * SGI(=2) */
 
-- 
2.17.0