package/kernel/mac80211/patches/subsys/361-mac80211-minstrel_ht-add-support-for-rates-with-4-sp.patch

   1 From: Felix Fietkau <nbd@nbd.name>
   2 Date: Mon, 25 Mar 2019 09:02:13 +0100
   3 Subject: [PATCH] mac80211: minstrel_ht: add support for rates with 4
   4  spatial streams
   5
   6 This is needed for the upcoming driver for MT7615 4x4 802.11ac chipsets
   7
   8 Signed-off-by: Felix Fietkau <nbd@nbd.name>
   9 ---
  10
  11 --- a/net/mac80211/rc80211_minstrel_ht.c
  12 +++ b/net/mac80211/rc80211_minstrel_ht.c
  13 @@ -157,44 +157,54 @@ const struct mcs_group minstrel_mcs_grou
  14         MCS_GROUP(1, 0, BW_20, 5),
  15         MCS_GROUP(2, 0, BW_20, 4),
  16         MCS_GROUP(3, 0, BW_20, 4),
  17 +       MCS_GROUP(4, 0, BW_20, 4),
  18
  19         MCS_GROUP(1, 1, BW_20, 5),
  20         MCS_GROUP(2, 1, BW_20, 4),
  21         MCS_GROUP(3, 1, BW_20, 4),
  22 +       MCS_GROUP(4, 1, BW_20, 4),
  23
  24         MCS_GROUP(1, 0, BW_40, 4),
  25         MCS_GROUP(2, 0, BW_40, 4),
  26         MCS_GROUP(3, 0, BW_40, 4),
  27 +       MCS_GROUP(4, 0, BW_40, 4),
  28
  29         MCS_GROUP(1, 1, BW_40, 4),
  30         MCS_GROUP(2, 1, BW_40, 4),
  31         MCS_GROUP(3, 1, BW_40, 4),
  32 +       MCS_GROUP(4, 1, BW_40, 4),
  33
  34         CCK_GROUP(8),
  35
  36         VHT_GROUP(1, 0, BW_20, 5),
  37         VHT_GROUP(2, 0, BW_20, 4),
  38         VHT_GROUP(3, 0, BW_20, 4),
  39 +       VHT_GROUP(4, 0, BW_20, 4),
  40
  41         VHT_GROUP(1, 1, BW_20, 5),
  42         VHT_GROUP(2, 1, BW_20, 4),
  43         VHT_GROUP(3, 1, BW_20, 4),
  44 +       VHT_GROUP(4, 1, BW_20, 4),
  45
  46         VHT_GROUP(1, 0, BW_40, 4),
  47         VHT_GROUP(2, 0, BW_40, 4),
  48         VHT_GROUP(3, 0, BW_40, 4),
  49 +       VHT_GROUP(4, 0, BW_40, 3),
  50
  51         VHT_GROUP(1, 1, BW_40, 4),
  52         VHT_GROUP(2, 1, BW_40, 4),
  53         VHT_GROUP(3, 1, BW_40, 4),
  54 +       VHT_GROUP(4, 1, BW_40, 3),
  55
  56         VHT_GROUP(1, 0, BW_80, 4),
  57         VHT_GROUP(2, 0, BW_80, 4),
  58         VHT_GROUP(3, 0, BW_80, 4),
  59 +       VHT_GROUP(4, 0, BW_80, 2),
  60
  61         VHT_GROUP(1, 1, BW_80, 4),
  62         VHT_GROUP(2, 1, BW_80, 4),
  63         VHT_GROUP(3, 1, BW_80, 4),
  64 +       VHT_GROUP(4, 1, BW_80, 2),
  65  };
  66
  67  static u8 sample_table[SAMPLE_COLUMNS][MCS_GROUP_RATES] __read_mostly;
  68 --- a/net/mac80211/rc80211_minstrel_ht.h
  69 +++ b/net/mac80211/rc80211_minstrel_ht.h
  70 @@ -13,7 +13,7 @@
  71   * The number of streams can be changed to 2 to reduce code
  72   * size and memory footprint.
  73   */
  74 -#define MINSTREL_MAX_STREAMS           3
  75 +#define MINSTREL_MAX_STREAMS           4
  76  #define MINSTREL_HT_STREAM_GROUPS      4 /* BW(=2) * SGI(=2) */
  77  #define MINSTREL_VHT_STREAM_GROUPS     6 /* BW(=3) * SGI(=2) */
  78