diff options
Diffstat (limited to 'drivers/net/wireless/ti/wlcore/main.c')
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/main.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 4da558460449..43865d1348ec 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -4505,6 +4505,9 @@ static int wl1271_allocate_sta(struct wl1271 *wl, return -EBUSY; } + /* use the previous security seq, if this is a recovery/resume */ + wl->links[wl_sta->hlid].total_freed_pkts = wl_sta->total_freed_pkts; + set_bit(wl_sta->hlid, wlvif->ap.sta_hlid_map); memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN); wl->active_sta_count++; @@ -4513,12 +4516,37 @@ static int wl1271_allocate_sta(struct wl1271 *wl, void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid) { + struct wl1271_station *wl_sta; + struct ieee80211_sta *sta; + struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); + if (!test_bit(hlid, wlvif->ap.sta_hlid_map)) return; clear_bit(hlid, wlvif->ap.sta_hlid_map); __clear_bit(hlid, &wl->ap_ps_map); __clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); + + /* + * save the last used PN in the private part of iee80211_sta, + * in case of recovery/suspend + */ + rcu_read_lock(); + sta = ieee80211_find_sta(vif, wl->links[hlid].addr); + if (sta) { + wl_sta = (void *)sta->drv_priv; + wl_sta->total_freed_pkts = wl->links[hlid].total_freed_pkts; + + /* + * increment the initial seq number on recovery to account for + * transmitted packets that we haven't yet got in the FW status + */ + if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) + wl_sta->total_freed_pkts += + WL1271_TX_SQN_POST_RECOVERY_PADDING; + } + rcu_read_unlock(); + wl12xx_free_link(wl, wlvif, &hlid); wl->active_sta_count--; |