@@ -547,7 +547,14 @@ enum P2P_MODES {
#define ACT_TDLS_DELETE 0x00
#define ACT_TDLS_CREATE 0x01
#define ACT_TDLS_CONFIG 0x02
-#define TDLS_EVENT_LINK_TEAR_DOWN 3
+
+#define TDLS_EVENT_LINK_TEAR_DOWN 3
+#define TDLS_EVENT_CHAN_SWITCH_RESULT 7
+#define TDLS_EVENT_START_CHAN_SWITCH 8
+#define TDLS_EVENT_CHAN_SWITCH_STOPPED 9
+
+#define TDLS_BASE_CHANNEL 0
+#define TDLS_OFF_CHANNEL 1
#define MWIFIEX_FW_V15 15
@@ -1936,10 +1943,18 @@ struct host_cmd_ds_802_11_subsc_evt {
__le16 events;
} __packed;
+struct chan_switch_result {
+ u8 cur_chan;
+ u8 status;
+ u8 reason;
+} __packed;
+
struct mwifiex_tdls_generic_event {
__le16 type;
u8 peer_mac[ETH_ALEN];
union {
+ struct chan_switch_result switch_result;
+ u8 cs_stop_reason;
__le16 reason_code;
__le16 reserved;
} u;
@@ -153,6 +153,7 @@ static int mwifiex_parse_tdls_event(struct mwifiex_private *priv,
struct mwifiex_sta_node *sta_ptr;
struct mwifiex_tdls_generic_event *tdls_evt =
(void *)event_skb->data + sizeof(adapter->event_cause);
+ u8 *mac = tdls_evt->peer_mac;
/* reserved 2 bytes are not mandatory in tdls event */
if (event_skb->len < (sizeof(struct mwifiex_tdls_generic_event) -
@@ -175,6 +176,59 @@ static int mwifiex_parse_tdls_event(struct mwifiex_private *priv,
le16_to_cpu(tdls_evt->u.reason_code),
GFP_KERNEL);
break;
+ case TDLS_EVENT_CHAN_SWITCH_RESULT:
+ mwifiex_dbg(adapter, EVENT, "tdls channel switch result :\n");
+ mwifiex_dbg(adapter, EVENT,
+ "status=0x%x, reason=0x%x cur_chan=%d\n",
+ tdls_evt->u.switch_result.status,
+ tdls_evt->u.switch_result.reason,
+ tdls_evt->u.switch_result.cur_chan);
+
+ /* tdls channel switch failed */
+ if (tdls_evt->u.switch_result.status != 0) {
+ switch (tdls_evt->u.switch_result.cur_chan) {
+ case TDLS_BASE_CHANNEL:
+ sta_ptr->tdls_status = TDLS_IN_BASE_CHAN;
+ break;
+ case TDLS_OFF_CHANNEL:
+ sta_ptr->tdls_status = TDLS_IN_OFF_CHAN;
+ break;
+ default:
+ break;
+ }
+ return ret;
+ }
+
+ /* tdls channel switch success */
+ switch (tdls_evt->u.switch_result.cur_chan) {
+ case TDLS_BASE_CHANNEL:
+ if (sta_ptr->tdls_status == TDLS_IN_BASE_CHAN)
+ break;
+ mwifiex_update_ralist_tx_pause_in_tdls_cs(priv, mac,
+ false);
+ sta_ptr->tdls_status = TDLS_IN_BASE_CHAN;
+ break;
+ case TDLS_OFF_CHANNEL:
+ if (sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)
+ break;
+ mwifiex_update_ralist_tx_pause_in_tdls_cs(priv, mac,
+ true);
+ sta_ptr->tdls_status = TDLS_IN_OFF_CHAN;
+ break;
+ default:
+ break;
+ }
+
+ break;
+ case TDLS_EVENT_START_CHAN_SWITCH:
+ mwifiex_dbg(adapter, EVENT, "tdls start channel switch...\n");
+ sta_ptr->tdls_status = TDLS_CHAN_SWITCHING;
+ break;
+ case TDLS_EVENT_CHAN_SWITCH_STOPPED:
+ mwifiex_dbg(adapter, EVENT,
+ "tdls chan switch stopped, reason=%d\n",
+ tdls_evt->u.cs_stop_reason);
+ break;
default:
break;
}
@@ -641,6 +641,51 @@ void mwifiex_update_ralist_tx_pause(struct mwifiex_private *priv, u8 *mac,
spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags);
}
+/* This function update non-tdls peer ralist tx_pause while
+ * tdls channel swithing
+ */
+void mwifiex_update_ralist_tx_pause_in_tdls_cs(struct mwifiex_private *priv,
+ u8 *mac, u8 tx_pause)
+{
+ struct mwifiex_ra_list_tbl *ra_list;
+ u32 pkt_cnt = 0, tx_pkts_queued;
+ unsigned long flags;
+ int i;
+
+ spin_lock_irqsave(&priv->wmm.ra_list_spinlock, flags);
+
+ for (i = 0; i < MAX_NUM_TID; ++i) {
+ list_for_each_entry(ra_list, &priv->wmm.tid_tbl_ptr[i].ra_list,
+ list) {
+ if (!memcmp(ra_list->ra, mac, ETH_ALEN))
+ continue;
+
+ if (ra_list && ra_list->tx_paused != tx_pause) {
+ pkt_cnt += ra_list->total_pkt_count;
+ ra_list->tx_paused = tx_pause;
+ if (tx_pause)
+ priv->wmm.pkts_paused[i] +=
+ ra_list->total_pkt_count;
+ else
+ priv->wmm.pkts_paused[i] -=
+ ra_list->total_pkt_count;
+ }
+ }
+ }
+
+ if (pkt_cnt) {
+ tx_pkts_queued = atomic_read(&priv->wmm.tx_pkts_queued);
+ if (tx_pause)
+ tx_pkts_queued -= pkt_cnt;
+ else
+ tx_pkts_queued += pkt_cnt;
+
+ atomic_set(&priv->wmm.tx_pkts_queued, tx_pkts_queued);
+ atomic_set(&priv->wmm.highest_queued_prio, HIGH_PRIO_TID);
+ }
+ spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags);
+}
+
/*
* This function retrieves an RA list node for a given TID and
* RA address pair.
@@ -128,6 +128,8 @@ mwifiex_wmm_get_queue_raptr(struct mwifiex_private *priv, u8 tid,
u8 mwifiex_wmm_downgrade_tid(struct mwifiex_private *priv, u32 tid);
void mwifiex_update_ralist_tx_pause(struct mwifiex_private *priv, u8 *mac,
u8 tx_pause);
+void mwifiex_update_ralist_tx_pause_in_tdls_cs(struct mwifiex_private *priv,
+ u8 *mac, u8 tx_pause);
struct mwifiex_ra_list_tbl *mwifiex_wmm_get_ralist_node(struct mwifiex_private
*priv, u8 tid, const u8 *ra_addr);