iwlagn: implement WoWLAN
Implement WoWLAN support in iwlagn. The device
supports a number of wakeup triggers and can do
GTK rekeying when asleep (if HW crypto is used).
Unfortunately, we need to disconnect from the AP
after resume since we can't yet get all the info
out of the wowlan uCode to stay connected safely.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index e77f913..3bee0f11 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -400,6 +400,7 @@
struct iwl_tx_queue *txq = &priv->txq[txq_id];
struct ieee80211_tx_info *info;
struct iwlagn_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
+ struct ieee80211_hdr *hdr;
struct iwl_tx_info *txb;
u32 status = le16_to_cpu(tx_resp->status.status);
int tid;
@@ -426,6 +427,11 @@
IWLAGN_TX_RES_RA_POS;
spin_lock_irqsave(&priv->sta_lock, flags);
+
+ hdr = (void *)txb->skb->data;
+ if (!ieee80211_is_data_qos(hdr->frame_control))
+ priv->last_seq_ctl = tx_resp->seq_ctl;
+
if (txq->sched_retry) {
const u32 scd_ssn = iwlagn_get_scd_ssn(tx_resp);
struct iwl_ht_agg *agg;