Commit 3e238a11 authored by Avinash Patil's avatar Avinash Patil Committed by John W. Linville
Browse files

mwifiex: cleanup TX/RX BA tables for uAP 



Cleanup TX/RX BA tables when AP receives deauthentication from
associated station. During BSS_IDLE event, all wmm queues, BA
streams created for AP interface are deleted.

Signed-off-by: default avatarAvinash Patil <patila@marvell.com>
Signed-off-by: default avatarKiran Divekar <dkiran@marvell.com>
Signed-off-by: default avatarBing Zhao <bzhao@marvell.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 5a009adf

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

+26 −0
Original line number Diff line number Diff line
@@ -726,3 +726,29 @@ int mwifiex_get_tx_ba_stream_tbl(struct mwifiex_private *priv, 


	return count;

}



/*

 * This function retrieves the entry for specific tx BA stream table by RA and

 * deletes it.

 */

void mwifiex_del_tx_ba_stream_tbl_by_ra(struct mwifiex_private *priv, u8 *ra)

{

	struct mwifiex_tx_ba_stream_tbl *tbl, *tmp;

	unsigned long flags;



	if (!ra)

		return;



	spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);

	list_for_each_entry_safe(tbl, tmp, &priv->tx_ba_stream_tbl_ptr, list) {

		if (!memcmp(tbl->ra, ra, ETH_ALEN)) {

			spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock,

					       flags);

			mwifiex_11n_delete_tx_ba_stream_tbl_entry(priv, tbl);

			spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);

		}

	}

	spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);



	return;

}

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

+1 −0
Original line number Diff line number Diff line
@@ -69,6 +69,7 @@ int mwifiex_cmd_recfg_tx_buf(struct mwifiex_private *priv, 
int mwifiex_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd,

				int cmd_action,

				struct mwifiex_ds_11n_amsdu_aggr_ctrl *aa_ctrl);

void mwifiex_del_tx_ba_stream_tbl_by_ra(struct mwifiex_private *priv, u8 *ra);



/*

 * This function checks whether AMPDU is allowed or not for a particular TID.

drivers/net/wireless/mwifiex/11n_rxreorder.c

+25 −0
Original line number Diff line number Diff line
@@ -176,6 +176,31 @@ mwifiex_11n_get_rx_reorder_tbl(struct mwifiex_private *priv, int tid, u8 *ta) 
	return NULL;

}



/* This function retrieves the pointer to an entry in Rx reordering

 * table which matches the given TA and deletes it.

 */

void mwifiex_11n_del_rx_reorder_tbl_by_ta(struct mwifiex_private *priv, u8 *ta)

{

	struct mwifiex_rx_reorder_tbl *tbl, *tmp;

	unsigned long flags;



	if (!ta)

		return;



	spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags);

	list_for_each_entry_safe(tbl, tmp, &priv->rx_reorder_tbl_ptr, list) {

		if (!memcmp(tbl->ta, ta, ETH_ALEN)) {

			spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock,

					       flags);

			mwifiex_del_rx_reorder_entry(priv, tbl);

			spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags);

		}

	}

	spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags);



	return;

}



/*

 * This function finds the last sequence number used in the packets

 * buffered in Rx reordering table.

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

+1 −0
Original line number Diff line number Diff line
@@ -72,5 +72,6 @@ struct mwifiex_rx_reorder_tbl *mwifiex_11n_get_rxreorder_tbl(struct 
							   u8 *ta);

struct mwifiex_rx_reorder_tbl *

mwifiex_11n_get_rx_reorder_tbl(struct mwifiex_private *priv, int tid, u8 *ta);

void mwifiex_11n_del_rx_reorder_tbl_by_ta(struct mwifiex_private *priv, u8 *ta);



#endif /* _MWIFIEX_11N_RXREORDER_H_ */

drivers/net/wireless/mwifiex/uap_event.c

+5 −0
Original line number Diff line number Diff line
@@ -226,10 +226,15 @@ int mwifiex_process_uap_event(struct mwifiex_private *priv) 
			     MWIFIEX_UAP_EVENT_EXTRA_HEADER;

		cfg80211_del_sta(priv->netdev, deauth_mac, GFP_KERNEL);



		if (priv->ap_11n_enabled) {

			mwifiex_11n_del_rx_reorder_tbl_by_ta(priv, deauth_mac);

			mwifiex_del_tx_ba_stream_tbl_by_ra(priv, deauth_mac);

		}

		mwifiex_del_sta_entry(priv, deauth_mac);

		break;

	case EVENT_UAP_BSS_IDLE:

		priv->media_connected = false;

		mwifiex_clean_txrx(priv);

		mwifiex_del_all_sta_list(priv);

		break;

	case EVENT_UAP_BSS_ACTIVE: