package/mac80211/patches/566-ath9k_stbc_support.patch

   1 --- a/drivers/net/wireless/ath/ath9k/init.c
   2 +++ b/drivers/net/wireless/ath/ath9k/init.c
   3 @@ -217,6 +217,12 @@ static void setup_ht_cap(struct ath_soft
   4         else
   5                 max_streams = 2;
   6
   7 +       if (AR_SREV_9280_10_OR_LATER(ah)) {
   8 +               if (max_streams >= 2)
   9 +                       ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
  10 +               ht_info->cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
  11 +       }
  12 +
  13         /* set up supported mcs set */
  14         memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
  15         tx_streams = count_streams(common->tx_chainmask, max_streams);
  16 --- a/drivers/net/wireless/ath/ath9k/mac.h
  17 +++ b/drivers/net/wireless/ath/ath9k/mac.h
  18 @@ -37,6 +37,8 @@
  19           AR_2040_##_index : 0)                                         \
  20          |((_series)[_index].RateFlags & ATH9K_RATESERIES_HALFGI ?      \
  21            AR_GI##_index : 0)                                           \
  22 +        |((_series)[_index].RateFlags & ATH9K_RATESERIES_STBC ?        \
  23 +          AR_STBC##_index : 0)                                         \
  24          |SM((_series)[_index].ChSel, AR_ChainSel##_index))
  25
  26  #define CCK_SIFS_TIME        10
  27 @@ -434,7 +436,10 @@ struct ar5416_desc {
  28  #define AR_ChainSel3_S      17
  29  #define AR_RTSCTSRate       0x0ff00000
  30  #define AR_RTSCTSRate_S     20
  31 -#define AR_TxCtlRsvd70      0xf0000000
  32 +#define AR_STBC0            0x10000000
  33 +#define AR_STBC1            0x20000000
  34 +#define AR_STBC2            0x40000000
  35 +#define AR_STBC3            0x80000000
  36
  37  #define AR_TxRSSIAnt00      0x000000ff
  38  #define AR_TxRSSIAnt00_S    0
  39 @@ -647,6 +652,7 @@ enum ath9k_rx_filter {
  40  #define ATH9K_RATESERIES_RTS_CTS  0x0001
  41  #define ATH9K_RATESERIES_2040     0x0002
  42  #define ATH9K_RATESERIES_HALFGI   0x0004
  43 +#define ATH9K_RATESERIES_STBC     0x0008
  44
  45  struct ath9k_11n_rate_series {
  46         u32 Tries;
  47 --- a/drivers/net/wireless/ath/ath9k/xmit.c
  48 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
  49 @@ -1607,6 +1607,8 @@ static void ath_buf_set_rate(struct ath_
  50                         series[i].Rate = rix | 0x80;
  51                         series[i].PktDuration = ath_pkt_duration(sc, rix, bf,
  52                                  is_40, is_sgi, is_sp);
  53 +                       if (rix < 8 && (tx_info->flags & IEEE80211_TX_CTL_STBC))
  54 +                               series[i].RateFlags |= ATH9K_RATESERIES_STBC;
  55                         continue;
  56                 }
  57