1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /* Copyright(c) 2019-2020  Realtek Corporation
23 	SER_EV_L1_RESET_PREPARE, /* pre-M0 */
25 	SER_EV_DO_RECOVERY, /* M3 */
65 		return ser->ev_tbl[event].name;  in ser_ev_name()
72 	if (ser->state < SER_ST_MAX_ST)  in ser_st_name()
73 		return ser->st_tbl[ser->state].name;  in ser_st_name()
87 	p->type = _type; \
88 	p->type_size = sizeof(p->data); \
89 	p->padding = 0x0123456789abcdef; \
118 	ser_cd_fw_rsvd_ple_init(&buf->fwple);  in rtw89_ser_cd_prep()
119 	ser_cd_fw_backtrace_init(&buf->fwbt);  in rtw89_ser_cd_prep()
127 	rtw89_debug(rtwdev, RTW89_DBG_SER, "SER sends core dump\n");  in rtw89_ser_cd_send()
130 	 * handled by the device coredump framework. Note that a new dump  in rtw89_ser_cd_send()
134 	dev_coredumpv(rtwdev->dev, buf, sizeof(*buf), GFP_KERNEL);  in rtw89_ser_cd_send()
143 	rtw89_debug(rtwdev, RTW89_DBG_SER, "SER frees core dump by self\n");  in rtw89_ser_cd_free()
145 	/* When some problems happen during filling data of core dump,  in rtw89_ser_cd_free()
159 	wiphy_lock(rtwdev->hw->wiphy);  in ser_state_run()
161 	wiphy_unlock(rtwdev->hw->wiphy);  in ser_state_run()
163 	ser->st_tbl[ser->state].st_func(ser, evt);  in ser_state_run()
170 	if (ser->state == new_state || new_state >= SER_ST_MAX_ST)  in ser_state_goto()
174 	rtw89_debug(rtwdev, RTW89_DBG_SER, "ser: %s goto -> %s\n",  in ser_state_goto()
175 		    ser_st_name(ser), ser->st_tbl[new_state].name);  in ser_state_goto()
177 	ser->state = new_state;  in ser_state_goto()
185 	spin_lock_irq(&ser->msg_q_lock);  in __rtw89_ser_dequeue_msg()
186 	msg = list_first_entry_or_null(&ser->msg_q, struct ser_msg, list);  in __rtw89_ser_dequeue_msg()
188 		list_del(&msg->list);  in __rtw89_ser_dequeue_msg()
189 	spin_unlock_irq(&ser->msg_q_lock);  in __rtw89_ser_dequeue_msg()
201 		ser_state_run(ser, msg->event);  in rtw89_ser_hdl_work()
211 	if (test_bit(RTW89_SER_DRV_STOP_RUN, ser->flags))  in ser_send_msg()
212 		return -EIO;  in ser_send_msg()
216 		return -ENOMEM;  in ser_send_msg()
218 	msg->event = event;  in ser_send_msg()
220 	spin_lock_irq(&ser->msg_q_lock);  in ser_send_msg()
221 	list_add(&msg->list, &ser->msg_q);  in ser_send_msg()
222 	spin_unlock_irq(&ser->msg_q_lock);  in ser_send_msg()
224 	ieee80211_queue_work(rtwdev->hw, &ser->ser_hdl_work);  in ser_send_msg()
233 	ser_send_msg(ser, ser->alarm_event);  in rtw89_ser_alarm_work()
234 	ser->alarm_event = SER_EV_NONE;  in rtw89_ser_alarm_work()
241 	if (test_bit(RTW89_SER_DRV_STOP_RUN, ser->flags))  in ser_set_alarm()
244 	ser->alarm_event = event;  in ser_set_alarm()
245 	ieee80211_queue_delayed_work(rtwdev->hw, &ser->ser_alarm_work,  in ser_set_alarm()
251 	cancel_delayed_work(&ser->ser_alarm_work);  in ser_del_alarm()
252 	ser->alarm_event = SER_EV_NONE;  in ser_del_alarm()
260 	ieee80211_stop_queues(rtwdev->hw);  in drv_stop_tx()
261 	set_bit(RTW89_SER_DRV_STOP_TX, ser->flags);  in drv_stop_tx()
268 	clear_bit(RTW89_FLAG_RUNNING, rtwdev->flags);  in drv_stop_rx()
269 	set_bit(RTW89_SER_DRV_STOP_RX, ser->flags);  in drv_stop_rx()
283 	if (!test_bit(RTW89_SER_DRV_STOP_TX, ser->flags))  in drv_resume_tx()
286 	ieee80211_wake_queues(rtwdev->hw);  in drv_resume_tx()
287 	clear_bit(RTW89_SER_DRV_STOP_TX, ser->flags);  in drv_resume_tx()
294 	if (!test_bit(RTW89_SER_DRV_STOP_RX, ser->flags))  in drv_resume_rx()
297 	set_bit(RTW89_FLAG_RUNNING, rtwdev->flags);  in drv_resume_rx()
298 	clear_bit(RTW89_SER_DRV_STOP_RX, ser->flags);  in drv_resume_rx()
306 	rtwvif->tdls_peer = 0;  in ser_reset_vif()
309 		rtw89_core_release_bit_map(rtwdev->hw_port, rtwvif_link->port);  in ser_reset_vif()
310 		rtwvif_link->net_type = RTW89_NET_TYPE_NO_LINK;  in ser_reset_vif()
311 		rtwvif_link->trigger = false;  in ser_reset_vif()
312 		rtwvif_link->rand_tsf_done = false;  in ser_reset_vif()
322 	struct rtw89_vif *rtwvif = rtwsta->rtwvif;  in ser_sta_deinit_cam_iter()
323 	struct rtw89_dev *rtwdev = rtwvif->rtwdev;  in ser_sta_deinit_cam_iter()
332 		rtwvif_link = rtwsta_link->rtwvif_link;  in ser_sta_deinit_cam_iter()
334 		if (rtwvif_link->net_type == RTW89_NET_TYPE_AP_MODE || sta->tdls)  in ser_sta_deinit_cam_iter()
335 			rtw89_cam_deinit_addr_cam(rtwdev, &rtwsta_link->addr_cam);  in ser_sta_deinit_cam_iter()
336 		if (sta->tdls)  in ser_sta_deinit_cam_iter()
337 			rtw89_cam_deinit_bssid_cam(rtwdev, &rtwsta_link->bssid_cam);  in ser_sta_deinit_cam_iter()
339 		INIT_LIST_HEAD(&rtwsta_link->ba_cam_list);  in ser_sta_deinit_cam_iter()
348 	ieee80211_iterate_stations_atomic(rtwdev->hw,  in ser_deinit_cam()
355 	bitmap_zero(rtwdev->cam_info.ba_cam_map, RTW89_MAX_BA_CAM_NUM);  in ser_deinit_cam()
366 	rtw89_core_release_all_bits_map(rtwdev->mac_id_map, RTW89_MAX_MAC_ID_NUM);  in ser_reset_mac_binding()
370 	rtwdev->total_sta_assoc = 0;  in ser_reset_mac_binding()
371 	refcount_set(&rtwdev->refcount_ap_info, 0);  in ser_reset_mac_binding()
380 	if (!test_bit(RTW89_SER_HAL_STOP_DMA, ser->flags))  in hal_enable_dma()
383 	if (!rtwdev->hci.ops->mac_lv1_rcvy)  in hal_enable_dma()
384 		return -EIO;  in hal_enable_dma()
386 	ret = rtwdev->hci.ops->mac_lv1_rcvy(rtwdev, RTW89_LV1_RCVY_STEP_2);  in hal_enable_dma()
388 		clear_bit(RTW89_SER_HAL_STOP_DMA, ser->flags);  in hal_enable_dma()
401 	if (!rtwdev->hci.ops->mac_lv1_rcvy)  in hal_stop_dma()
402 		return -EIO;  in hal_stop_dma()
404 	ret = rtwdev->hci.ops->mac_lv1_rcvy(rtwdev, RTW89_LV1_RCVY_STEP_1);  in hal_stop_dma()
406 		set_bit(RTW89_SER_HAL_STOP_DMA, ser->flags);  in hal_stop_dma()
443 		clear_bit(RTW89_FLAG_SER_HANDLING, rtwdev->flags);  in ser_idle_st_hdl()
444 		clear_bit(RTW89_FLAG_CRASH_SIMULATING, rtwdev->flags);  in ser_idle_st_hdl()
456 		set_bit(RTW89_FLAG_SER_HANDLING, rtwdev->flags);  in ser_idle_st_hdl()
468 		ser->prehandle_l1 = true;  in ser_l1_reset_pre_st_hdl()
489 	struct wiphy *wiphy = rtwdev->hw->wiphy;  in ser_reset_trx_st_hdl()
494 		wiphy_delayed_work_cancel(wiphy, &rtwdev->track_work);  in ser_reset_trx_st_hdl()
495 		wiphy_delayed_work_cancel(wiphy, &rtwdev->track_ps_work);  in ser_reset_trx_st_hdl()
507 		/* wait m3 */  in ser_reset_trx_st_hdl()
527 		wiphy_delayed_work_queue(wiphy, &rtwdev->track_work,  in ser_reset_trx_st_hdl()
529 		wiphy_delayed_work_queue(wiphy, &rtwdev->track_ps_work,  in ser_reset_trx_st_hdl()
569 	const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def;  in ser_mac_mem_dump()
570 	u32 filter_model_addr = mac->filter_model_addr;  in ser_mac_mem_dump()
571 	u32 indir_access_addr = mac->indir_access_addr;  in ser_mac_mem_dump()
572 	u32 mem_page_size = mac->mem_page_size;  in ser_mac_mem_dump()
580 	base_addr = mac->mem_base_addrs[sel];  in ser_mac_mem_dump()
602 	u32 start_addr = rtwdev->chip->rsvd_ple_ofst;  in rtw89_ser_fw_rsvd_ple_dump()
605 		    "dump mem for fw rsvd payload engine (start addr: 0x%x)\n",  in rtw89_ser_fw_rsvd_ple_dump()
641 	const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def;  in rtw89_ser_fw_backtrace_dump()
642 	u32 filter_model_addr = mac->filter_model_addr;  in rtw89_ser_fw_backtrace_dump()
643 	u32 indir_access_addr = mac->indir_access_addr;  in rtw89_ser_fw_backtrace_dump()
644 	u32 fwbt_addr = convert_addr_from_wcpu(ent->wcpu_addr);  in rtw89_ser_fw_backtrace_dump()
645 	u32 fwbt_size = ent->size;  in rtw89_ser_fw_backtrace_dump()
646 	u32 fwbt_key = ent->key;  in rtw89_ser_fw_backtrace_dump()
652 		return -EINVAL;  in rtw89_ser_fw_backtrace_dump()
658 		return -EINVAL;  in rtw89_ser_fw_backtrace_dump()
665 		return -EINVAL;  in rtw89_ser_fw_backtrace_dump()
668 	rtw89_debug(rtwdev, RTW89_DBG_SER, "dump fw backtrace start\n");  in rtw89_ser_fw_backtrace_dump()
680 			    ptr->sp, ptr->ra);  in rtw89_ser_fw_backtrace_dump()
683 	rtw89_debug(rtwdev, RTW89_DBG_SER, "dump fw backtrace end\n");  in rtw89_ser_fw_backtrace_dump()
696 		ret = -ENOMEM;  in ser_l2_reset_st_pre_hdl()
700 	rtw89_ser_fw_rsvd_ple_dump(rtwdev, buf->fwple.data);  in ser_l2_reset_st_pre_hdl()
702 	fwbt_ent = *(struct __fw_backtrace_entry *)buf->fwple.data;  in ser_l2_reset_st_pre_hdl()
703 	ret = rtw89_ser_fw_backtrace_dump(rtwdev, buf->fwbt.data, &fwbt_ent);  in ser_l2_reset_st_pre_hdl()
716 	INIT_LIST_HEAD(&rtwdev->rtwvifs_list);  in ser_l2_reset_st_pre_hdl()
725 		wiphy_lock(rtwdev->hw->wiphy);  in ser_l2_reset_st_hdl()
727 		wiphy_unlock(rtwdev->hw->wiphy);  in ser_l2_reset_st_hdl()
729 		ieee80211_restart_hw(rtwdev->hw);  in ser_l2_reset_st_hdl()
734 		rtw89_info(rtwdev, "Err: ser L2 re-config timeout\n");  in ser_l2_reset_st_hdl()
753 	{SER_EV_L1_RESET_PREPARE, "SER_EV_L1_RESET_PREPARE pre-m0"},
755 	{SER_EV_DO_RECOVERY, "SER_EV_DO_RECOVERY m3"},
777 	struct rtw89_ser *ser = &rtwdev->ser;  in rtw89_ser_init()
780 	INIT_LIST_HEAD(&ser->msg_q);  in rtw89_ser_init()
781 	ser->state = SER_IDLE_ST;  in rtw89_ser_init()
782 	ser->st_tbl = ser_st_tbl;  in rtw89_ser_init()
783 	ser->ev_tbl = ser_ev_tbl;  in rtw89_ser_init()
785 	bitmap_zero(ser->flags, RTW89_NUM_OF_SER_FLAGS);  in rtw89_ser_init()
786 	spin_lock_init(&ser->msg_q_lock);  in rtw89_ser_init()
787 	INIT_WORK(&ser->ser_hdl_work, rtw89_ser_hdl_work);  in rtw89_ser_init()
788 	INIT_DELAYED_WORK(&ser->ser_alarm_work, rtw89_ser_alarm_work);  in rtw89_ser_init()
794 	struct rtw89_ser *ser = (struct rtw89_ser *)&rtwdev->ser;  in rtw89_ser_deinit()
796 	set_bit(RTW89_SER_DRV_STOP_RUN, ser->flags);  in rtw89_ser_deinit()
797 	cancel_delayed_work_sync(&ser->ser_alarm_work);  in rtw89_ser_deinit()
798 	cancel_work_sync(&ser->ser_hdl_work);  in rtw89_ser_deinit()
799 	clear_bit(RTW89_SER_DRV_STOP_RUN, ser->flags);  in rtw89_ser_deinit()
805 	ser_send_msg(&rtwdev->ser, SER_EV_L2_RECFG_DONE);  in rtw89_ser_recfg_done()
815 	case MAC_AX_ERR_L1_PREERR_DMAC: /* pre-M0 */  in rtw89_ser_notify()
823 		event = SER_EV_DO_RECOVERY; /* M3 */  in rtw89_ser_notify()
843 		return -EINVAL;  in rtw89_ser_notify()
846 	ser_send_msg(&rtwdev->ser, event);  in rtw89_ser_notify()