diff options
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/cmd.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/main.c | 28 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/wlcore_i.h | 9 |
3 files changed, 44 insertions, 1 deletions
diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c index 56d248a0acc1..c9e060795d13 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.c +++ b/drivers/net/wireless/ti/wlcore/cmd.c @@ -366,7 +366,9 @@ void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) wl1271_tx_reset_link_queues(wl, *hlid); wl->links[*hlid].wlvif = NULL; - if (wlvif->bss_type != BSS_TYPE_AP_BSS) { + if (wlvif->bss_type == BSS_TYPE_STA_BSS || + (wlvif->bss_type == BSS_TYPE_AP_BSS && + *hlid == wlvif->ap.bcast_hlid)) { /* * save the total freed packets in the wlvif, in case this is * recovery or suspend @@ -635,6 +637,10 @@ int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) if (ret < 0) goto out_free_global; + /* use the previous security seq, if this is a recovery/resume */ + wl->links[wlvif->ap.bcast_hlid].total_freed_pkts = + wlvif->total_freed_pkts; + cmd->role_id = wlvif->role_id; cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period); cmd->ap.bss_index = WL1271_AP_BSS_INDEX; 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--; diff --git a/drivers/net/wireless/ti/wlcore/wlcore_i.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h index 47d2f6000a42..7b55ef9c4288 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore_i.h +++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h @@ -325,6 +325,13 @@ struct wl12xx_rx_filter { struct wl1271_station { u8 hlid; bool in_connection; + + /* + * total freed FW packets on the link to the STA - used for tracking the + * AES/TKIP PN across recoveries. Re-initialized each time from the + * wl1271_station structure. + */ + u64 total_freed_pkts; }; struct wl12xx_vif { @@ -461,6 +468,8 @@ struct wl12xx_vif { * total freed FW packets on the link - used for * storing the AES/TKIP PN during recovery, as this * structure is not zeroed out. + * For STA this holds the PN of the link to the AP. + * For AP this holds the PN of the broadcast link. */ u64 total_freed_pkts; }; |