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Commit 9817fffb authored by Avinash Patil's avatar Avinash Patil Committed by John W. Linville
Browse files

mwifiex: delete peer station's RA list upon deauthentication 



This patch adds support to delete peer station's RA lists
upon station deautheticate event on AP interface. Patch also
decrements TX pending count upon removing packets from RA list.

Signed-off-by: default avatarAvinash Patil <patila@marvell.com>
Signed-off-by: default avatarCathy Luo <cluo@marvell.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent dda9ddeb

drivers/net/wireless/mwifiex/main.h

+2 −0
Original line number Diff line number Diff line
@@ -975,6 +975,8 @@ int mwifiex_handle_uap_rx_forward(struct mwifiex_private *priv, 
int mwifiex_process_sta_event(struct mwifiex_private *);

int mwifiex_process_uap_event(struct mwifiex_private *);

void mwifiex_delete_all_station_list(struct mwifiex_private *priv);

void mwifiex_wmm_del_peer_ra_list(struct mwifiex_private *priv,

				  const u8 *ra_addr);

void *mwifiex_process_sta_txpd(struct mwifiex_private *, struct sk_buff *skb);

void *mwifiex_process_uap_txpd(struct mwifiex_private *, struct sk_buff *skb);

int mwifiex_sta_init_cmd(struct mwifiex_private *, u8 first_sta);

drivers/net/wireless/mwifiex/uap_event.c

+1 −0
Original line number Diff line number Diff line
@@ -110,6 +110,7 @@ int mwifiex_process_uap_event(struct mwifiex_private *priv) 
			mwifiex_11n_del_rx_reorder_tbl_by_ta(priv, deauth_mac);

			mwifiex_del_tx_ba_stream_tbl_by_ra(priv, deauth_mac);

		}

		mwifiex_wmm_del_peer_ra_list(priv, deauth_mac);

		mwifiex_del_sta_entry(priv, deauth_mac);

		break;

	case EVENT_UAP_BSS_IDLE:

drivers/net/wireless/mwifiex/wmm.c

+26 −0
Original line number Diff line number Diff line
@@ -610,6 +610,32 @@ mwifiex_wmm_get_queue_raptr(struct mwifiex_private *priv, u8 tid, 
	return mwifiex_wmm_get_ralist_node(priv, tid, ra_addr);

}



/*

 * This function deletes RA list nodes for given mac for all TIDs.

 * Function also decrements TX pending count accordingly.

 */

void

mwifiex_wmm_del_peer_ra_list(struct mwifiex_private *priv, const u8 *ra_addr)

{

	struct mwifiex_ra_list_tbl *ra_list;

	unsigned long flags;

	int i;



	spin_lock_irqsave(&priv->wmm.ra_list_spinlock, flags);



	for (i = 0; i < MAX_NUM_TID; ++i) {

		ra_list = mwifiex_wmm_get_ralist_node(priv, i, ra_addr);



		if (!ra_list)

			continue;

		mwifiex_wmm_del_pkts_in_ralist_node(priv, ra_list);

		atomic_sub(ra_list->total_pkt_count, &priv->wmm.tx_pkts_queued);

		list_del(&ra_list->list);

		kfree(ra_list);

	}

	spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags);

}



/*

 * This function checks if a particular RA list node exists in a given TID

 * table index.