Commit 4f3dfdfb authored by Avinash Patil's avatar Avinash Patil Committed by Kalle Valo
Browse files

mwifiex: get supported BA stream info from FW 



This patch adds support to get number of BA streams
supported information from FW. Some newer chips(e.g. 8897 series)
support 4 BA streams for TX; so driver should not disallow BA stream
setup just after 2 streams have been established.

Signed-off-by: default avatarAvinash Patil <patila@marvell.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 84b313b3

drivers/net/wireless/mwifiex/11n.h

+11 −3
Original line number Diff line number Diff line
@@ -130,7 +130,9 @@ static inline u8 mwifiex_space_avail_for_new_ba_stream( 
{

	struct mwifiex_private *priv;

	u8 i;

	u32 ba_stream_num = 0;

	u32 ba_stream_num = 0, ba_stream_max;



	ba_stream_max = MWIFIEX_MAX_TX_BASTREAM_SUPPORTED;



	for (i = 0; i < adapter->priv_num; i++) {

		priv = adapter->priv[i];
@@ -139,8 +141,14 @@ static inline u8 mwifiex_space_avail_for_new_ba_stream( 
				&priv->tx_ba_stream_tbl_ptr);

	}



	return ((ba_stream_num <

		 MWIFIEX_MAX_TX_BASTREAM_SUPPORTED) ? true : false);

	if (adapter->fw_api_ver == MWIFIEX_FW_V15) {

		ba_stream_max =

			       GETSUPP_TXBASTREAMS(adapter->hw_dot_11n_dev_cap);

		if (!ba_stream_max)

			ba_stream_max = MWIFIEX_MAX_TX_BASTREAM_SUPPORTED;

	}



	return ((ba_stream_num < ba_stream_max) ? true : false);

}



/*

drivers/net/wireless/mwifiex/fw.h

+1 −0
Original line number Diff line number Diff line
@@ -233,6 +233,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER { 
#define ISSUPP_RXLDPC(Dot11nDevCap) (Dot11nDevCap & BIT(22))

#define ISSUPP_BEAMFORMING(Dot11nDevCap) (Dot11nDevCap & BIT(30))

#define ISALLOWED_CHANWIDTH40(ht_param) (ht_param & BIT(2))

#define GETSUPP_TXBASTREAMS(Dot11nDevCap) ((Dot11nDevCap >> 18) & 0xF)



/* httxcfg bitmap

 * 0		reserved

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