I forgot to CC one of ATH9K maintainers.
I hope Jouni or Senthil have time for it.
Am 04.05.2013 09:33, schrieb Oleksij Rempel:
> current firmware will enable STBC_TX, only if other peer support it.
> This patch provide ht_peer_caps to firmware.
> FW versions 1.3, 1.4 should be able to work with it.
> Tested on ar7010+ar9280 and ar7010+ar9287.
>
> - v2. Use one bit instead of two for RX STBC flags.
>
> Signed-off-by: Oleksij Rempel <li...@rempel-privat.de>
> ---
> drivers/net/wireless/ath/ath9k/htc.h | 3 +++
> drivers/net/wireless/ath/ath9k/htc_drv_init.c | 3 +++
> drivers/net/wireless/ath/ath9k/htc_drv_main.c | 4 ++++
> 3 files changed, 10 insertions(+)
>
> diff --git a/drivers/net/wireless/ath/ath9k/htc.h
> b/drivers/net/wireless/ath/ath9k/htc.h
> index d3b099d..037e9b8 100644
> --- a/drivers/net/wireless/ath/ath9k/htc.h
> +++ b/drivers/net/wireless/ath/ath9k/htc.h
> @@ -142,6 +142,9 @@ struct ath9k_htc_target_aggr {
> #define WLAN_RC_40_FLAG 0x02
> #define WLAN_RC_SGI_FLAG 0x04
> #define WLAN_RC_HT_FLAG 0x08
> +#define WLAN_RC_TX_STBC_FLAG 0x20 /* TX STBC */
> +/* RX STBC. Warning! FW checks for 0xC0. But we support only 1 stream anyway
> */
> +#define WLAN_RC_RX_STBC_FLAG 0x40
>
> struct ath9k_htc_rateset {
> u8 rs_nrates;
> diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
> b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
> index a47f5e0..c79c5ac 100644
> --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
> +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
> @@ -517,6 +517,9 @@ static void setup_ht_cap(struct ath9k_htc_priv *priv,
> ath_dbg(common, CONFIG, "TX streams %d, RX streams: %d\n",
> tx_streams, rx_streams);
>
> + if (tx_streams >= 2)
> + ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
> +
> if (tx_streams != rx_streams) {
> ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
> ht_info->mcs.tx_params |= ((tx_streams - 1) <<
> diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
> b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
> index 0743a47..af08b4a 100644
> --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
> +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
> @@ -623,6 +623,10 @@ static void ath9k_htc_setup_rate(struct ath9k_htc_priv
> *priv,
> trate->rates.ht_rates.rs_nrates = j;
>
> caps = WLAN_RC_HT_FLAG;
> + if (sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)
> + caps |= WLAN_RC_RX_STBC_FLAG;
> + if (sta->ht_cap.cap & IEEE80211_HT_CAP_TX_STBC)
> + caps |= WLAN_RC_TX_STBC_FLAG;
> if (sta->ht_cap.mcs.rx_mask[1])
> caps |= WLAN_RC_DS_FLAG;
> if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) &&
>
--
Regards,
Oleksij
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