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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: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Avinash Patil 2014-12-05 23:23:40 +05:30 committed by John W. Linville
parent dda9ddeb26
commit 9817fffbf0
3 changed files with 29 additions and 0 deletions
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2
drivers/net/wireless/mwifiex/main.h
View File

@ -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);

1
drivers/net/wireless/mwifiex/uap_event.c
View File

@ -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:

26
drivers/net/wireless/mwifiex/wmm.c
View File

@ -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.