static int mwifiex_parse_tdls_event(struct mwifiex_private *priv,
struct sk_buff *event_skb)
{
int ret = 0;
struct mwifiex_adapter *adapter = priv->adapter;
struct mwifiex_sta_node *sta_ptr;
struct mwifiex_tdls_generic_event *tdls_evt =
(void *)event_skb->data + sizeof(adapter->event_cause);
/* reserved 2 bytes are not mandatory in tdls event */
if (event_skb->len < (sizeof(struct mwifiex_tdls_generic_event) -
sizeof(u16) - sizeof(adapter->event_cause))) {
dev_err(adapter->dev, "Invalid event length!\n");
return -1;
}
sta_ptr = mwifiex_get_sta_entry(priv, tdls_evt->peer_mac);
if (!sta_ptr) {
dev_err(adapter->dev, "cannot get sta entry!\n");
return -1;
}
switch (le16_to_cpu(tdls_evt->type)) {
case TDLS_EVENT_LINK_TEAR_DOWN:
cfg80211_tdls_oper_request(priv->netdev,
tdls_evt->peer_mac,
NL80211_TDLS_TEARDOWN,
le16_to_cpu(tdls_evt->u.reason_code),
GFP_KERNEL);
ret = mwifiex_tdls_oper(priv, tdls_evt->peer_mac,
MWIFIEX_TDLS_DISABLE_LINK);
queue_work(adapter->workqueue, &adapter->main_work);
break;
default:
break;
}
return ret;
}
static int mwifiex_parse_tdls_event(struct mwifiex_private *priv,
struct sk_buff *event_skb)
{
int ret = 0;
struct mwifiex_adapter *adapter = priv->adapter;
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) -
sizeof(u16) - sizeof(adapter->event_cause))) {
mwifiex_dbg(adapter, ERROR, "Invalid event length!\n");
return -1;
}
sta_ptr = mwifiex_get_sta_entry(priv, tdls_evt->peer_mac);
if (!sta_ptr) {
mwifiex_dbg(adapter, ERROR, "cannot get sta entry!\n");
return -1;
}
switch (le16_to_cpu(tdls_evt->type)) {
case TDLS_EVENT_LINK_TEAR_DOWN:
cfg80211_tdls_oper_request(priv->netdev,
tdls_evt->peer_mac,
NL80211_TDLS_TEARDOWN,
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;
}
return ret;
}