static void wl_cfg80211_bt_handler(struct work_struct *work)
{
struct btcoex_info *btcx_inf;
btcx_inf = container_of(work, struct btcoex_info, work);
if (btcx_inf->timer_on) {
btcx_inf->timer_on = 0;
del_timer_sync(&btcx_inf->timer);
}
switch (btcx_inf->bt_state) {
case BT_DHCP_START:
/* DHCP started
* provide OPPORTUNITY window to get DHCP address
*/
WL_TRACE(("bt_dhcp stm: started \n"));
btcx_inf->bt_state = BT_DHCP_OPPR_WIN;
mod_timer(&btcx_inf->timer,
jiffies + msecs_to_jiffies(BT_DHCP_OPPR_WIN_TIME));
btcx_inf->timer_on = 1;
break;
case BT_DHCP_OPPR_WIN:
if (btcx_inf->dhcp_done) {
WL_TRACE(("DHCP Done before T1 expiration\n"));
goto btc_coex_idle;
}
/* DHCP is not over yet, start lowering BT priority
* enforce btc_params + flags if necessary
*/
WL_TRACE(("DHCP T1:%d expired\n", BT_DHCP_OPPR_WIN_TIME));
if (btcx_inf->dev)
wl_cfg80211_bt_setflag(btcx_inf->dev, TRUE);
btcx_inf->bt_state = BT_DHCP_FLAG_FORCE_TIMEOUT;
mod_timer(&btcx_inf->timer,
jiffies + msecs_to_jiffies(BT_DHCP_FLAG_FORCE_TIME));
btcx_inf->timer_on = 1;
break;
case BT_DHCP_FLAG_FORCE_TIMEOUT:
if (btcx_inf->dhcp_done) {
WL_TRACE(("DHCP Done before T2 expiration\n"));
} else {
/* Noo dhcp during T1+T2, restore BT priority */
WL_TRACE(("DHCP wait interval T2:%d msec expired\n",
BT_DHCP_FLAG_FORCE_TIME));
}
/* Restoring default bt priority */
if (btcx_inf->dev)
wl_cfg80211_bt_setflag(btcx_inf->dev, FALSE);
btc_coex_idle:
btcx_inf->bt_state = BT_DHCP_IDLE;
btcx_inf->timer_on = 0;
break;
default:
WL_ERR(("error g_status=%d !!!\n", btcx_inf->bt_state));
if (btcx_inf->dev)
wl_cfg80211_bt_setflag(btcx_inf->dev, FALSE);
btcx_inf->bt_state = BT_DHCP_IDLE;
btcx_inf->timer_on = 0;
break;
}
net_os_wake_unlock(btcx_inf->dev);
}
static void wl_cfg80211_bt_handler(struct work_struct *work)
{
struct btcoex_info *btcx_inf;
btcx_inf = container_of(work, struct btcoex_info, work);
if (btcx_inf->timer_on) {
btcx_inf->timer_on = 0;
del_timer_sync(&btcx_inf->timer);
}
switch (btcx_inf->bt_state) {
case BT_DHCP_START:
WL_TRACE(("%s bt_dhcp stm: started \n",
__FUNCTION__));
bt_coex_retry_cnt = 0;
btcx_inf->bt_state = BT_DHCP_OPPR_WIN;
mod_timer(&btcx_inf->timer,
jiffies + msecs_to_jiffies(BT_DHCP_OPPR_WIN_TIME));
btcx_inf->timer_on = 1;
break;
case BT_DHCP_OPPR_WIN:
if ((btcx_inf->dhcp_done)||(bt_coex_retry_cnt > 7)) {
WL_TRACE(("%s DHCP Done before T1 expiration\n",
__FUNCTION__));
goto btc_coex_idle;
}
WL_TRACE(("%s DHCP T1:%d expired\n", __FUNCTION__,
BT_DHCP_OPPR_WIN_TIME));
if (btcx_inf->dev)
wl_cfg80211_bt_setflag(btcx_inf->dev, TRUE);
btcx_inf->bt_state = BT_DHCP_FLAG_FORCE_TIMEOUT;
mod_timer(&btcx_inf->timer,
jiffies + msecs_to_jiffies(BT_DHCP_FLAG_FORCE_TIME));
btcx_inf->timer_on = 1;
break;
case BT_DHCP_FLAG_FORCE_TIMEOUT:
if ((btcx_inf->dhcp_done)||(++bt_coex_retry_cnt > 7)) {
WL_TRACE(("%s DHCP Done before T2 expiration\n",
__FUNCTION__));
if (btcx_inf->dev)
wl_cfg80211_bt_setflag(btcx_inf->dev, FALSE);
goto btc_coex_idle;
} else {
WL_TRACE(("%s DHCP wait interval T2:%d"
"msec expired\n", __FUNCTION__,
BT_DHCP_FLAG_FORCE_TIME));
if (btcx_inf->dev)
wl_cfg80211_bt_setflag(btcx_inf->dev, FALSE);
btcx_inf->bt_state = BT_DHCP_OPPR_WIN;
mod_timer(&btcx_inf->timer,
jiffies + msecs_to_jiffies(BT_DHCP_OPPR_WIN_TIME));
btcx_inf->timer_on = 1;
}
if (!(btcx_inf->dhcp_done)) {
break;
}
btc_coex_idle:
btcx_inf->bt_state = BT_DHCP_IDLE;
btcx_inf->timer_on = 0;
bt_coex_retry_cnt = 0;
break;
default:
WL_ERR(("%s error g_status=%d !!!\n", __FUNCTION__,
btcx_inf->bt_state));
if (btcx_inf->dev)
wl_cfg80211_bt_setflag(btcx_inf->dev, FALSE);
btcx_inf->bt_state = BT_DHCP_IDLE;
btcx_inf->timer_on = 0;
break;
}
net_os_wake_unlock(btcx_inf->dev);
}