1e705c121SKalle Valo /******************************************************************************
2e705c121SKalle Valo  *
3e705c121SKalle Valo  * This file is provided under a dual BSD/GPLv2 license.  When using or
4e705c121SKalle Valo  * redistributing this file, you may do so under either license.
5e705c121SKalle Valo  *
6e705c121SKalle Valo  * GPL LICENSE SUMMARY
7e705c121SKalle Valo  *
8e705c121SKalle Valo  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9e705c121SKalle Valo  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10de8ba41bSLiad Kaufman  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
118745f12aSShaul Triebitz  * Copyright(c) 2018        Intel Corporation
12e705c121SKalle Valo  *
13e705c121SKalle Valo  * This program is free software; you can redistribute it and/or modify
14e705c121SKalle Valo  * it under the terms of version 2 of the GNU General Public License as
15e705c121SKalle Valo  * published by the Free Software Foundation.
16e705c121SKalle Valo  *
17e705c121SKalle Valo  * This program is distributed in the hope that it will be useful, but
18e705c121SKalle Valo  * WITHOUT ANY WARRANTY; without even the implied warranty of
19e705c121SKalle Valo  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
20e705c121SKalle Valo  * General Public License for more details.
21e705c121SKalle Valo  *
22e705c121SKalle Valo  * You should have received a copy of the GNU General Public License
23e705c121SKalle Valo  * along with this program; if not, write to the Free Software
24e705c121SKalle Valo  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25e705c121SKalle Valo  * USA
26e705c121SKalle Valo  *
27e705c121SKalle Valo  * The full GNU General Public License is included in this distribution
28e705c121SKalle Valo  * in the file called COPYING.
29e705c121SKalle Valo  *
30e705c121SKalle Valo  * Contact Information:
31cb2f8277SEmmanuel Grumbach  *  Intel Linux Wireless <linuxwifi@intel.com>
32e705c121SKalle Valo  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33e705c121SKalle Valo  *
34e705c121SKalle Valo  * BSD LICENSE
35e705c121SKalle Valo  *
36e705c121SKalle Valo  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
37e705c121SKalle Valo  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
38de8ba41bSLiad Kaufman  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
398745f12aSShaul Triebitz  * Copyright(c) 2018        Intel Corporation
40e705c121SKalle Valo  * All rights reserved.
41e705c121SKalle Valo  *
42e705c121SKalle Valo  * Redistribution and use in source and binary forms, with or without
43e705c121SKalle Valo  * modification, are permitted provided that the following conditions
44e705c121SKalle Valo  * are met:
45e705c121SKalle Valo  *
46e705c121SKalle Valo  *  * Redistributions of source code must retain the above copyright
47e705c121SKalle Valo  *    notice, this list of conditions and the following disclaimer.
48e705c121SKalle Valo  *  * Redistributions in binary form must reproduce the above copyright
49e705c121SKalle Valo  *    notice, this list of conditions and the following disclaimer in
50e705c121SKalle Valo  *    the documentation and/or other materials provided with the
51e705c121SKalle Valo  *    distribution.
52e705c121SKalle Valo  *  * Neither the name Intel Corporation nor the names of its
53e705c121SKalle Valo  *    contributors may be used to endorse or promote products derived
54e705c121SKalle Valo  *    from this software without specific prior written permission.
55e705c121SKalle Valo  *
56e705c121SKalle Valo  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
57e705c121SKalle Valo  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
58e705c121SKalle Valo  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
59e705c121SKalle Valo  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
60e705c121SKalle Valo  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
61e705c121SKalle Valo  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
62e705c121SKalle Valo  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
63e705c121SKalle Valo  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
64e705c121SKalle Valo  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
65e705c121SKalle Valo  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
66e705c121SKalle Valo  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
67e705c121SKalle Valo  *
68e705c121SKalle Valo  *****************************************************************************/
69e705c121SKalle Valo #include <linux/module.h>
70e705c121SKalle Valo #include <linux/vmalloc.h>
71e705c121SKalle Valo #include <net/mac80211.h>
72e705c121SKalle Valo 
739fca9d5cSJohannes Berg #include "fw/notif-wait.h"
74e705c121SKalle Valo #include "iwl-trans.h"
75e705c121SKalle Valo #include "iwl-op-mode.h"
76d962f9b1SJohannes Berg #include "fw/img.h"
77e705c121SKalle Valo #include "iwl-debug.h"
78e705c121SKalle Valo #include "iwl-drv.h"
79e705c121SKalle Valo #include "iwl-modparams.h"
80e705c121SKalle Valo #include "mvm.h"
81e705c121SKalle Valo #include "iwl-phy-db.h"
82e705c121SKalle Valo #include "iwl-eeprom-parse.h"
83e705c121SKalle Valo #include "iwl-csr.h"
84e705c121SKalle Valo #include "iwl-io.h"
85e705c121SKalle Valo #include "iwl-prph.h"
86e705c121SKalle Valo #include "rs.h"
87d172a5efSJohannes Berg #include "fw/api/scan.h"
88e705c121SKalle Valo #include "time-event.h"
8939bdb17eSSharon Dvir #include "fw-api.h"
90d172a5efSJohannes Berg #include "fw/api/scan.h"
91f2abcfa6SLuca Coelho #include "fw/acpi.h"
92e705c121SKalle Valo 
93e705c121SKalle Valo #define DRV_DESCRIPTION	"The new Intel(R) wireless AGN driver for Linux"
94e705c121SKalle Valo MODULE_DESCRIPTION(DRV_DESCRIPTION);
95e705c121SKalle Valo MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
96e705c121SKalle Valo MODULE_LICENSE("GPL");
97e705c121SKalle Valo 
98e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops;
99e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
100e705c121SKalle Valo 
101e705c121SKalle Valo struct iwl_mvm_mod_params iwlmvm_mod_params = {
102e705c121SKalle Valo 	.power_scheme = IWL_POWER_SCHEME_BPS,
103e705c121SKalle Valo 	.tfd_q_hang_detect = true
104e705c121SKalle Valo 	/* rest of fields are 0 by default */
105e705c121SKalle Valo };
106e705c121SKalle Valo 
1072ef00c53SJoe Perches module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444);
108e705c121SKalle Valo MODULE_PARM_DESC(init_dbg,
109e705c121SKalle Valo 		 "set to true to debug an ASSERT in INIT fw (default: false");
1102ef00c53SJoe Perches module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444);
111e705c121SKalle Valo MODULE_PARM_DESC(power_scheme,
112e705c121SKalle Valo 		 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
113e705c121SKalle Valo module_param_named(tfd_q_hang_detect, iwlmvm_mod_params.tfd_q_hang_detect,
1142ef00c53SJoe Perches 		   bool, 0444);
115e705c121SKalle Valo MODULE_PARM_DESC(tfd_q_hang_detect,
116e705c121SKalle Valo 		 "TFD queues hang detection (default: true");
117e705c121SKalle Valo 
118e705c121SKalle Valo /*
119e705c121SKalle Valo  * module init and exit functions
120e705c121SKalle Valo  */
121e705c121SKalle Valo static int __init iwl_mvm_init(void)
122e705c121SKalle Valo {
123e705c121SKalle Valo 	int ret;
124e705c121SKalle Valo 
125e705c121SKalle Valo 	ret = iwl_mvm_rate_control_register();
126e705c121SKalle Valo 	if (ret) {
127e705c121SKalle Valo 		pr_err("Unable to register rate control algorithm: %d\n", ret);
128e705c121SKalle Valo 		return ret;
129e705c121SKalle Valo 	}
130e705c121SKalle Valo 
131e705c121SKalle Valo 	ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
1329f66a397SGregory Greenman 	if (ret)
133e705c121SKalle Valo 		pr_err("Unable to register MVM op_mode: %d\n", ret);
134e705c121SKalle Valo 
135e705c121SKalle Valo 	return ret;
136e705c121SKalle Valo }
137e705c121SKalle Valo module_init(iwl_mvm_init);
138e705c121SKalle Valo 
139e705c121SKalle Valo static void __exit iwl_mvm_exit(void)
140e705c121SKalle Valo {
141e705c121SKalle Valo 	iwl_opmode_deregister("iwlmvm");
142e705c121SKalle Valo 	iwl_mvm_rate_control_unregister();
143e705c121SKalle Valo }
144e705c121SKalle Valo module_exit(iwl_mvm_exit);
145e705c121SKalle Valo 
146e705c121SKalle Valo static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
147e705c121SKalle Valo {
148e705c121SKalle Valo 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
149e705c121SKalle Valo 	u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
150e705c121SKalle Valo 	u32 reg_val = 0;
151e705c121SKalle Valo 	u32 phy_config = iwl_mvm_get_phy_config(mvm);
152e705c121SKalle Valo 
153e705c121SKalle Valo 	radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >>
154e705c121SKalle Valo 			 FW_PHY_CFG_RADIO_TYPE_POS;
155e705c121SKalle Valo 	radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >>
156e705c121SKalle Valo 			 FW_PHY_CFG_RADIO_STEP_POS;
157e705c121SKalle Valo 	radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >>
158e705c121SKalle Valo 			 FW_PHY_CFG_RADIO_DASH_POS;
159e705c121SKalle Valo 
160e705c121SKalle Valo 	/* SKU control */
161e705c121SKalle Valo 	reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) <<
162e705c121SKalle Valo 				CSR_HW_IF_CONFIG_REG_POS_MAC_STEP;
163e705c121SKalle Valo 	reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) <<
164e705c121SKalle Valo 				CSR_HW_IF_CONFIG_REG_POS_MAC_DASH;
165e705c121SKalle Valo 
166e705c121SKalle Valo 	/* radio configuration */
167e705c121SKalle Valo 	reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
168e705c121SKalle Valo 	reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
169e705c121SKalle Valo 	reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
170e705c121SKalle Valo 
171e705c121SKalle Valo 	WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
172e705c121SKalle Valo 		 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
173e705c121SKalle Valo 
174e705c121SKalle Valo 	/*
1756e584873SSara Sharon 	 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC
1766e584873SSara Sharon 	 * sampling, and shouldn't be set to any non-zero value.
1776e584873SSara Sharon 	 * The same is supposed to be true of the other HW, but unsetting
1786e584873SSara Sharon 	 * them (such as the 7260) causes automatic tests to fail on seemingly
1796e584873SSara Sharon 	 * unrelated errors. Need to further investigate this, but for now
1806e584873SSara Sharon 	 * we'll separate cases.
181e705c121SKalle Valo 	 */
1826e584873SSara Sharon 	if (mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_8000)
183e705c121SKalle Valo 		reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
184e705c121SKalle Valo 
185e705c121SKalle Valo 	iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
186e705c121SKalle Valo 				CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH |
187e705c121SKalle Valo 				CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP |
188e705c121SKalle Valo 				CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE |
189e705c121SKalle Valo 				CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
190e705c121SKalle Valo 				CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
191e705c121SKalle Valo 				CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
192e705c121SKalle Valo 				CSR_HW_IF_CONFIG_REG_BIT_MAC_SI,
193e705c121SKalle Valo 				reg_val);
194e705c121SKalle Valo 
195e705c121SKalle Valo 	IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
196e705c121SKalle Valo 		       radio_cfg_step, radio_cfg_dash);
197e705c121SKalle Valo 
198e705c121SKalle Valo 	/*
199e705c121SKalle Valo 	 * W/A : NIC is stuck in a reset state after Early PCIe power off
200e705c121SKalle Valo 	 * (PCIe power is lost before PERST# is asserted), causing ME FW
201e705c121SKalle Valo 	 * to lose ownership and not being able to obtain it back.
202e705c121SKalle Valo 	 */
203e705c121SKalle Valo 	if (!mvm->trans->cfg->apmg_not_supported)
204e705c121SKalle Valo 		iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
205e705c121SKalle Valo 				       APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
206e705c121SKalle Valo 				       ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
207e705c121SKalle Valo }
208e705c121SKalle Valo 
209c9cb14a6SChaya Rachel Ivgi /**
210c9cb14a6SChaya Rachel Ivgi  * enum iwl_rx_handler_context context for Rx handler
211c9cb14a6SChaya Rachel Ivgi  * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
212c9cb14a6SChaya Rachel Ivgi  *	which can't acquire mvm->mutex.
213c9cb14a6SChaya Rachel Ivgi  * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
214c9cb14a6SChaya Rachel Ivgi  *	(and only in this case!), it should be set as ASYNC. In that case,
215c9cb14a6SChaya Rachel Ivgi  *	it will be called from a worker with mvm->mutex held.
216c9cb14a6SChaya Rachel Ivgi  * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
217c9cb14a6SChaya Rachel Ivgi  *	mutex itself, it will be called from a worker without mvm->mutex held.
218c9cb14a6SChaya Rachel Ivgi  */
219c9cb14a6SChaya Rachel Ivgi enum iwl_rx_handler_context {
220c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER_SYNC,
221c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER_ASYNC_LOCKED,
222c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER_ASYNC_UNLOCKED,
223c9cb14a6SChaya Rachel Ivgi };
224c9cb14a6SChaya Rachel Ivgi 
225c9cb14a6SChaya Rachel Ivgi /**
226c9cb14a6SChaya Rachel Ivgi  * struct iwl_rx_handlers handler for FW notification
227c9cb14a6SChaya Rachel Ivgi  * @cmd_id: command id
228c9cb14a6SChaya Rachel Ivgi  * @context: see &iwl_rx_handler_context
229c9cb14a6SChaya Rachel Ivgi  * @fn: the function is called when notification is received
230c9cb14a6SChaya Rachel Ivgi  */
231e705c121SKalle Valo struct iwl_rx_handlers {
232e705c121SKalle Valo 	u16 cmd_id;
233c9cb14a6SChaya Rachel Ivgi 	enum iwl_rx_handler_context context;
234e705c121SKalle Valo 	void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
235e705c121SKalle Valo };
236e705c121SKalle Valo 
237c9cb14a6SChaya Rachel Ivgi #define RX_HANDLER(_cmd_id, _fn, _context)	\
238c9cb14a6SChaya Rachel Ivgi 	{ .cmd_id = _cmd_id, .fn = _fn, .context = _context }
239c9cb14a6SChaya Rachel Ivgi #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context)	\
240c9cb14a6SChaya Rachel Ivgi 	{ .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context }
241e705c121SKalle Valo 
242e705c121SKalle Valo /*
243e705c121SKalle Valo  * Handlers for fw notifications
244e705c121SKalle Valo  * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
245e705c121SKalle Valo  * This list should be in order of frequency for performance purposes.
246e705c121SKalle Valo  *
247c9cb14a6SChaya Rachel Ivgi  * The handler can be one from three contexts, see &iwl_rx_handler_context
248e705c121SKalle Valo  */
249e705c121SKalle Valo static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
250c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC),
251c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC),
252e705c121SKalle Valo 
25384226ca1SGregory Greenman 	RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
25484226ca1SGregory Greenman 		       iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC),
25584226ca1SGregory Greenman 
256c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif,
257c9cb14a6SChaya Rachel Ivgi 		   RX_HANDLER_ASYNC_LOCKED),
258c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
259c9cb14a6SChaya Rachel Ivgi 		   RX_HANDLER_ASYNC_LOCKED),
260c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics,
261c9cb14a6SChaya Rachel Ivgi 		   RX_HANDLER_ASYNC_LOCKED),
262e705c121SKalle Valo 
2633af512d6SSara Sharon 	RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
264c9cb14a6SChaya Rachel Ivgi 		   iwl_mvm_window_status_notif, RX_HANDLER_SYNC),
2653af512d6SSara Sharon 
266c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
267c9cb14a6SChaya Rachel Ivgi 		   RX_HANDLER_SYNC),
268c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
269c9cb14a6SChaya Rachel Ivgi 		   RX_HANDLER_ASYNC_LOCKED),
270e705c121SKalle Valo 
271c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC),
272e705c121SKalle Valo 
273e705c121SKalle Valo 	RX_HANDLER(SCAN_ITERATION_COMPLETE,
274c9cb14a6SChaya Rachel Ivgi 		   iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC),
275e705c121SKalle Valo 	RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
276c9cb14a6SChaya Rachel Ivgi 		   iwl_mvm_rx_lmac_scan_complete_notif,
277c9cb14a6SChaya Rachel Ivgi 		   RX_HANDLER_ASYNC_LOCKED),
278e705c121SKalle Valo 	RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found,
279c9cb14a6SChaya Rachel Ivgi 		   RX_HANDLER_SYNC),
280e705c121SKalle Valo 	RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
281c9cb14a6SChaya Rachel Ivgi 		   RX_HANDLER_ASYNC_LOCKED),
282e705c121SKalle Valo 	RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
283c9cb14a6SChaya Rachel Ivgi 		   iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC),
284e705c121SKalle Valo 
285c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif,
286c9cb14a6SChaya Rachel Ivgi 		   RX_HANDLER_SYNC),
287e705c121SKalle Valo 
288e705c121SKalle Valo 	RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
289c9cb14a6SChaya Rachel Ivgi 		   RX_HANDLER_SYNC),
290e705c121SKalle Valo 
291c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC),
292e705c121SKalle Valo 	RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
293c9cb14a6SChaya Rachel Ivgi 		   iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC),
294c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
295c9cb14a6SChaya Rachel Ivgi 		   RX_HANDLER_ASYNC_LOCKED),
296e705c121SKalle Valo 	RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
297ec77a33eSChaya Rachel Ivgi 		       iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED),
2980a3b7119SChaya Rachel Ivgi 	RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
299c9cb14a6SChaya Rachel Ivgi 		       iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC),
300e705c121SKalle Valo 
301e705c121SKalle Valo 	RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
302c9cb14a6SChaya Rachel Ivgi 		   RX_HANDLER_ASYNC_LOCKED),
303c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
304c9cb14a6SChaya Rachel Ivgi 		   RX_HANDLER_SYNC),
305c9cb14a6SChaya Rachel Ivgi 	RX_HANDLER(TOF_NOTIFICATION, iwl_mvm_tof_resp_handler,
306c9cb14a6SChaya Rachel Ivgi 		   RX_HANDLER_ASYNC_LOCKED),
307bdccdb85SGolan Ben-Ami 	RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
308bdccdb85SGolan Ben-Ami 		       iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC),
3090db056d3SSara Sharon 	RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
310c9cb14a6SChaya Rachel Ivgi 		       iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC),
311f92659a1SSara Sharon 	RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
312c9cb14a6SChaya Rachel Ivgi 		       iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC),
31365e25482SJohannes Berg 	RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
31465e25482SJohannes Berg 		       iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC),
315e705c121SKalle Valo };
316e705c121SKalle Valo #undef RX_HANDLER
317e705c121SKalle Valo #undef RX_HANDLER_GRP
318e705c121SKalle Valo 
31939bdb17eSSharon Dvir /* Please keep this array *SORTED* by hex value.
32039bdb17eSSharon Dvir  * Access is done through binary search
32139bdb17eSSharon Dvir  */
32239bdb17eSSharon Dvir static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
32339bdb17eSSharon Dvir 	HCMD_NAME(MVM_ALIVE),
32439bdb17eSSharon Dvir 	HCMD_NAME(REPLY_ERROR),
32539bdb17eSSharon Dvir 	HCMD_NAME(ECHO_CMD),
32639bdb17eSSharon Dvir 	HCMD_NAME(INIT_COMPLETE_NOTIF),
32739bdb17eSSharon Dvir 	HCMD_NAME(PHY_CONTEXT_CMD),
32839bdb17eSSharon Dvir 	HCMD_NAME(DBG_CFG),
32939bdb17eSSharon Dvir 	HCMD_NAME(SCAN_CFG_CMD),
33039bdb17eSSharon Dvir 	HCMD_NAME(SCAN_REQ_UMAC),
33139bdb17eSSharon Dvir 	HCMD_NAME(SCAN_ABORT_UMAC),
33239bdb17eSSharon Dvir 	HCMD_NAME(SCAN_COMPLETE_UMAC),
33339bdb17eSSharon Dvir 	HCMD_NAME(TOF_CMD),
33439bdb17eSSharon Dvir 	HCMD_NAME(TOF_NOTIFICATION),
3353af512d6SSara Sharon 	HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
33639bdb17eSSharon Dvir 	HCMD_NAME(ADD_STA_KEY),
33739bdb17eSSharon Dvir 	HCMD_NAME(ADD_STA),
33839bdb17eSSharon Dvir 	HCMD_NAME(REMOVE_STA),
33939bdb17eSSharon Dvir 	HCMD_NAME(FW_GET_ITEM_CMD),
34039bdb17eSSharon Dvir 	HCMD_NAME(TX_CMD),
34139bdb17eSSharon Dvir 	HCMD_NAME(SCD_QUEUE_CFG),
34239bdb17eSSharon Dvir 	HCMD_NAME(TXPATH_FLUSH),
34339bdb17eSSharon Dvir 	HCMD_NAME(MGMT_MCAST_KEY),
34439bdb17eSSharon Dvir 	HCMD_NAME(WEP_KEY),
34539bdb17eSSharon Dvir 	HCMD_NAME(SHARED_MEM_CFG),
34639bdb17eSSharon Dvir 	HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
34739bdb17eSSharon Dvir 	HCMD_NAME(MAC_CONTEXT_CMD),
34839bdb17eSSharon Dvir 	HCMD_NAME(TIME_EVENT_CMD),
34939bdb17eSSharon Dvir 	HCMD_NAME(TIME_EVENT_NOTIFICATION),
35039bdb17eSSharon Dvir 	HCMD_NAME(BINDING_CONTEXT_CMD),
35139bdb17eSSharon Dvir 	HCMD_NAME(TIME_QUOTA_CMD),
35239bdb17eSSharon Dvir 	HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
3537089ae63SJohannes Berg 	HCMD_NAME(LEDS_CMD),
35439bdb17eSSharon Dvir 	HCMD_NAME(LQ_CMD),
35539bdb17eSSharon Dvir 	HCMD_NAME(FW_PAGING_BLOCK_CMD),
35639bdb17eSSharon Dvir 	HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
35739bdb17eSSharon Dvir 	HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
35839bdb17eSSharon Dvir 	HCMD_NAME(HOT_SPOT_CMD),
35939bdb17eSSharon Dvir 	HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
36039bdb17eSSharon Dvir 	HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
36139bdb17eSSharon Dvir 	HCMD_NAME(BT_COEX_CI),
36239bdb17eSSharon Dvir 	HCMD_NAME(PHY_CONFIGURATION_CMD),
36339bdb17eSSharon Dvir 	HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
364176aa60bSSara Sharon 	HCMD_NAME(PHY_DB_CMD),
36539bdb17eSSharon Dvir 	HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
36639bdb17eSSharon Dvir 	HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
36739bdb17eSSharon Dvir 	HCMD_NAME(POWER_TABLE_CMD),
36839bdb17eSSharon Dvir 	HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
36939bdb17eSSharon Dvir 	HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
37039bdb17eSSharon Dvir 	HCMD_NAME(DC2DC_CONFIG_CMD),
37139bdb17eSSharon Dvir 	HCMD_NAME(NVM_ACCESS_CMD),
37239bdb17eSSharon Dvir 	HCMD_NAME(BEACON_NOTIFICATION),
37339bdb17eSSharon Dvir 	HCMD_NAME(BEACON_TEMPLATE_CMD),
37439bdb17eSSharon Dvir 	HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
37539bdb17eSSharon Dvir 	HCMD_NAME(BT_CONFIG),
37639bdb17eSSharon Dvir 	HCMD_NAME(STATISTICS_CMD),
37739bdb17eSSharon Dvir 	HCMD_NAME(STATISTICS_NOTIFICATION),
37839bdb17eSSharon Dvir 	HCMD_NAME(EOSP_NOTIFICATION),
37939bdb17eSSharon Dvir 	HCMD_NAME(REDUCE_TX_POWER_CMD),
38039bdb17eSSharon Dvir 	HCMD_NAME(CARD_STATE_NOTIFICATION),
38139bdb17eSSharon Dvir 	HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
38239bdb17eSSharon Dvir 	HCMD_NAME(TDLS_CONFIG_CMD),
38339bdb17eSSharon Dvir 	HCMD_NAME(MAC_PM_POWER_TABLE),
38439bdb17eSSharon Dvir 	HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
38539bdb17eSSharon Dvir 	HCMD_NAME(MFUART_LOAD_NOTIFICATION),
38643413a97SSara Sharon 	HCMD_NAME(RSS_CONFIG_CMD),
38739bdb17eSSharon Dvir 	HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
38839bdb17eSSharon Dvir 	HCMD_NAME(REPLY_RX_PHY_CMD),
38939bdb17eSSharon Dvir 	HCMD_NAME(REPLY_RX_MPDU_CMD),
3903e73aa3bSEmmanuel Grumbach 	HCMD_NAME(FRAME_RELEASE),
39139bdb17eSSharon Dvir 	HCMD_NAME(BA_NOTIF),
39239bdb17eSSharon Dvir 	HCMD_NAME(MCC_UPDATE_CMD),
39339bdb17eSSharon Dvir 	HCMD_NAME(MCC_CHUB_UPDATE_CMD),
39439bdb17eSSharon Dvir 	HCMD_NAME(MARKER_CMD),
39539bdb17eSSharon Dvir 	HCMD_NAME(BT_PROFILE_NOTIFICATION),
39639bdb17eSSharon Dvir 	HCMD_NAME(BCAST_FILTER_CMD),
39739bdb17eSSharon Dvir 	HCMD_NAME(MCAST_FILTER_CMD),
39839bdb17eSSharon Dvir 	HCMD_NAME(REPLY_SF_CFG_CMD),
39939bdb17eSSharon Dvir 	HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
40039bdb17eSSharon Dvir 	HCMD_NAME(D3_CONFIG_CMD),
40139bdb17eSSharon Dvir 	HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
40239bdb17eSSharon Dvir 	HCMD_NAME(OFFLOADS_QUERY_CMD),
40339bdb17eSSharon Dvir 	HCMD_NAME(REMOTE_WAKE_CONFIG_CMD),
40439bdb17eSSharon Dvir 	HCMD_NAME(MATCH_FOUND_NOTIFICATION),
40539bdb17eSSharon Dvir 	HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
40639bdb17eSSharon Dvir 	HCMD_NAME(WOWLAN_PATTERNS),
40739bdb17eSSharon Dvir 	HCMD_NAME(WOWLAN_CONFIGURATION),
40839bdb17eSSharon Dvir 	HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
40939bdb17eSSharon Dvir 	HCMD_NAME(WOWLAN_TKIP_PARAM),
41039bdb17eSSharon Dvir 	HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
41139bdb17eSSharon Dvir 	HCMD_NAME(WOWLAN_GET_STATUSES),
41239bdb17eSSharon Dvir 	HCMD_NAME(SCAN_ITERATION_COMPLETE),
41339bdb17eSSharon Dvir 	HCMD_NAME(D0I3_END_CMD),
41439bdb17eSSharon Dvir 	HCMD_NAME(LTR_CONFIG),
415e705c121SKalle Valo };
41639bdb17eSSharon Dvir 
41739bdb17eSSharon Dvir /* Please keep this array *SORTED* by hex value.
41839bdb17eSSharon Dvir  * Access is done through binary search
41939bdb17eSSharon Dvir  */
4205b086414SGolan Ben-Ami static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
4215b086414SGolan Ben-Ami 	HCMD_NAME(SHARED_MEM_CFG_CMD),
4224399caaaSSara Sharon 	HCMD_NAME(INIT_EXTENDED_CFG_CMD),
4235b086414SGolan Ben-Ami };
4245b086414SGolan Ben-Ami 
4255b086414SGolan Ben-Ami /* Please keep this array *SORTED* by hex value.
4265b086414SGolan Ben-Ami  * Access is done through binary search
4275b086414SGolan Ben-Ami  */
42803098268SAviya Erenfeld static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
429d3a108a4SAndrei Otcheretianski 	HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF),
43003098268SAviya Erenfeld };
43103098268SAviya Erenfeld 
43203098268SAviya Erenfeld /* Please keep this array *SORTED* by hex value.
43303098268SAviya Erenfeld  * Access is done through binary search
43403098268SAviya Erenfeld  */
43539bdb17eSSharon Dvir static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
43639bdb17eSSharon Dvir 	HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
4375c89e7bcSChaya Rachel Ivgi 	HCMD_NAME(CTDP_CONFIG_CMD),
438c221daf2SChaya Rachel Ivgi 	HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
439a6bff3cbSHaim Dreyfuss 	HCMD_NAME(GEO_TX_POWER_LIMIT),
4400a3b7119SChaya Rachel Ivgi 	HCMD_NAME(CT_KILL_NOTIFICATION),
44139bdb17eSSharon Dvir 	HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
44239bdb17eSSharon Dvir };
44339bdb17eSSharon Dvir 
4440db056d3SSara Sharon /* Please keep this array *SORTED* by hex value.
4450db056d3SSara Sharon  * Access is done through binary search
4460db056d3SSara Sharon  */
447e0d8fdecSSara Sharon static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
448ddef2f98SEmmanuel Grumbach 	HCMD_NAME(DQA_ENABLE_CMD),
449e0d8fdecSSara Sharon 	HCMD_NAME(UPDATE_MU_GROUPS_CMD),
45094bb4481SSara Sharon 	HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
451514c3069SLuca Coelho 	HCMD_NAME(STA_HE_CTXT_CMD),
45265e25482SJohannes Berg 	HCMD_NAME(STA_PM_NOTIF),
453f92659a1SSara Sharon 	HCMD_NAME(MU_GROUP_MGMT_NOTIF),
45494bb4481SSara Sharon 	HCMD_NAME(RX_QUEUES_NOTIFICATION),
455e0d8fdecSSara Sharon };
456e0d8fdecSSara Sharon 
457e0d8fdecSSara Sharon /* Please keep this array *SORTED* by hex value.
458e0d8fdecSSara Sharon  * Access is done through binary search
459e0d8fdecSSara Sharon  */
460bdccdb85SGolan Ben-Ami static const struct iwl_hcmd_names iwl_mvm_debug_names[] = {
461bdccdb85SGolan Ben-Ami 	HCMD_NAME(MFU_ASSERT_DUMP_NTF),
462bdccdb85SGolan Ben-Ami };
463bdccdb85SGolan Ben-Ami 
464bdccdb85SGolan Ben-Ami /* Please keep this array *SORTED* by hex value.
465bdccdb85SGolan Ben-Ami  * Access is done through binary search
466bdccdb85SGolan Ben-Ami  */
4670db056d3SSara Sharon static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
4680db056d3SSara Sharon 	HCMD_NAME(STORED_BEACON_NTF),
4690db056d3SSara Sharon };
4700db056d3SSara Sharon 
4711f370650SSara Sharon /* Please keep this array *SORTED* by hex value.
4721f370650SSara Sharon  * Access is done through binary search
4731f370650SSara Sharon  */
4741f370650SSara Sharon static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
4751f370650SSara Sharon 	HCMD_NAME(NVM_ACCESS_COMPLETE),
476e9e1ba3dSSara Sharon 	HCMD_NAME(NVM_GET_INFO),
4771f370650SSara Sharon };
4781f370650SSara Sharon 
47939bdb17eSSharon Dvir static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
48039bdb17eSSharon Dvir 	[LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
48139bdb17eSSharon Dvir 	[LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
4825b086414SGolan Ben-Ami 	[SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
48303098268SAviya Erenfeld 	[MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
48439bdb17eSSharon Dvir 	[PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
485e0d8fdecSSara Sharon 	[DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
4860db056d3SSara Sharon 	[PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
4871f370650SSara Sharon 	[REGULATORY_AND_NVM_GROUP] =
4881f370650SSara Sharon 		HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
48939bdb17eSSharon Dvir };
49039bdb17eSSharon Dvir 
491e705c121SKalle Valo /* this forward declaration can avoid to export the function */
492e705c121SKalle Valo static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
493e705c121SKalle Valo static void iwl_mvm_d0i3_exit_work(struct work_struct *wk);
494e705c121SKalle Valo 
495f2abcfa6SLuca Coelho static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
496e705c121SKalle Valo {
497f2abcfa6SLuca Coelho 	const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
498f2abcfa6SLuca Coelho 	u64 dflt_pwr_limit;
499e705c121SKalle Valo 
500f2abcfa6SLuca Coelho 	if (!backoff)
501e705c121SKalle Valo 		return 0;
502e705c121SKalle Valo 
503f2abcfa6SLuca Coelho 	dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev);
504e705c121SKalle Valo 
505f2abcfa6SLuca Coelho 	while (backoff->pwr) {
506f2abcfa6SLuca Coelho 		if (dflt_pwr_limit >= backoff->pwr)
507f2abcfa6SLuca Coelho 			return backoff->backoff;
508f2abcfa6SLuca Coelho 
509f2abcfa6SLuca Coelho 		backoff++;
510e705c121SKalle Valo 	}
511e705c121SKalle Valo 
512e705c121SKalle Valo 	return 0;
513e705c121SKalle Valo }
514e705c121SKalle Valo 
515d3a108a4SAndrei Otcheretianski static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
516d3a108a4SAndrei Otcheretianski {
517d3a108a4SAndrei Otcheretianski 	struct iwl_mvm *mvm =
518d3a108a4SAndrei Otcheretianski 		container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
519d3a108a4SAndrei Otcheretianski 	struct ieee80211_vif *tx_blocked_vif;
520d3a108a4SAndrei Otcheretianski 	struct iwl_mvm_vif *mvmvif;
521d3a108a4SAndrei Otcheretianski 
522d3a108a4SAndrei Otcheretianski 	mutex_lock(&mvm->mutex);
523d3a108a4SAndrei Otcheretianski 
524d3a108a4SAndrei Otcheretianski 	tx_blocked_vif =
525d3a108a4SAndrei Otcheretianski 		rcu_dereference_protected(mvm->csa_tx_blocked_vif,
526d3a108a4SAndrei Otcheretianski 					  lockdep_is_held(&mvm->mutex));
527d3a108a4SAndrei Otcheretianski 
528d3a108a4SAndrei Otcheretianski 	if (!tx_blocked_vif)
529d3a108a4SAndrei Otcheretianski 		goto unlock;
530d3a108a4SAndrei Otcheretianski 
531d3a108a4SAndrei Otcheretianski 	mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
532d3a108a4SAndrei Otcheretianski 	iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
533d3a108a4SAndrei Otcheretianski 	RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
534d3a108a4SAndrei Otcheretianski unlock:
535d3a108a4SAndrei Otcheretianski 	mutex_unlock(&mvm->mutex);
536d3a108a4SAndrei Otcheretianski }
537d3a108a4SAndrei Otcheretianski 
5387174beb6SJohannes Berg static int iwl_mvm_fwrt_dump_start(void *ctx)
5397174beb6SJohannes Berg {
5407174beb6SJohannes Berg 	struct iwl_mvm *mvm = ctx;
5417174beb6SJohannes Berg 	int ret;
5427174beb6SJohannes Berg 
5437174beb6SJohannes Berg 	ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_FW_DBG_COLLECT);
5447174beb6SJohannes Berg 	if (ret)
5457174beb6SJohannes Berg 		return ret;
5467174beb6SJohannes Berg 
5477174beb6SJohannes Berg 	mutex_lock(&mvm->mutex);
5487174beb6SJohannes Berg 
5497174beb6SJohannes Berg 	return 0;
5507174beb6SJohannes Berg }
5517174beb6SJohannes Berg 
5527174beb6SJohannes Berg static void iwl_mvm_fwrt_dump_end(void *ctx)
5537174beb6SJohannes Berg {
5547174beb6SJohannes Berg 	struct iwl_mvm *mvm = ctx;
5557174beb6SJohannes Berg 
5567174beb6SJohannes Berg 	mutex_unlock(&mvm->mutex);
5577174beb6SJohannes Berg 
5587174beb6SJohannes Berg 	iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT);
5597174beb6SJohannes Berg }
5607174beb6SJohannes Berg 
5618745f12aSShaul Triebitz static bool iwl_mvm_fwrt_fw_running(void *ctx)
5628745f12aSShaul Triebitz {
5638745f12aSShaul Triebitz 	return iwl_mvm_firmware_running(ctx);
5648745f12aSShaul Triebitz }
5658745f12aSShaul Triebitz 
5667174beb6SJohannes Berg static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
5677174beb6SJohannes Berg 	.dump_start = iwl_mvm_fwrt_dump_start,
5687174beb6SJohannes Berg 	.dump_end = iwl_mvm_fwrt_dump_end,
5698745f12aSShaul Triebitz 	.fw_running = iwl_mvm_fwrt_fw_running,
5707174beb6SJohannes Berg };
5717174beb6SJohannes Berg 
572e705c121SKalle Valo static struct iwl_op_mode *
573e705c121SKalle Valo iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
574e705c121SKalle Valo 		      const struct iwl_fw *fw, struct dentry *dbgfs_dir)
575e705c121SKalle Valo {
576e705c121SKalle Valo 	struct ieee80211_hw *hw;
577e705c121SKalle Valo 	struct iwl_op_mode *op_mode;
578e705c121SKalle Valo 	struct iwl_mvm *mvm;
579e705c121SKalle Valo 	struct iwl_trans_config trans_cfg = {};
580e705c121SKalle Valo 	static const u8 no_reclaim_cmds[] = {
581e705c121SKalle Valo 		TX_CMD,
582e705c121SKalle Valo 	};
583e705c121SKalle Valo 	int err, scan_size;
584e705c121SKalle Valo 	u32 min_backoff;
585e705c121SKalle Valo 
586e705c121SKalle Valo 	/*
587e705c121SKalle Valo 	 * We use IWL_MVM_STATION_COUNT to check the validity of the station
588e705c121SKalle Valo 	 * index all over the driver - check that its value corresponds to the
589e705c121SKalle Valo 	 * array size.
590e705c121SKalle Valo 	 */
591e705c121SKalle Valo 	BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT);
592e705c121SKalle Valo 
593e705c121SKalle Valo 	/********************************
594e705c121SKalle Valo 	 * 1. Allocating and configuring HW data
595e705c121SKalle Valo 	 ********************************/
596e705c121SKalle Valo 	hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
597e705c121SKalle Valo 				sizeof(struct iwl_mvm),
598e705c121SKalle Valo 				&iwl_mvm_hw_ops);
599e705c121SKalle Valo 	if (!hw)
600e705c121SKalle Valo 		return NULL;
601e705c121SKalle Valo 
602e705c121SKalle Valo 	if (cfg->max_rx_agg_size)
603e705c121SKalle Valo 		hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size;
604e705c121SKalle Valo 
605e705c121SKalle Valo 	if (cfg->max_tx_agg_size)
606e705c121SKalle Valo 		hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
607e705c121SKalle Valo 
608e705c121SKalle Valo 	op_mode = hw->priv;
609e705c121SKalle Valo 
610e705c121SKalle Valo 	mvm = IWL_OP_MODE_GET_MVM(op_mode);
611e705c121SKalle Valo 	mvm->dev = trans->dev;
612e705c121SKalle Valo 	mvm->trans = trans;
613e705c121SKalle Valo 	mvm->cfg = cfg;
614e705c121SKalle Valo 	mvm->fw = fw;
615e705c121SKalle Valo 	mvm->hw = hw;
616e705c121SKalle Valo 
61793b167c1SMordechay Goodstein 	iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
61893b167c1SMordechay Goodstein 			    dbgfs_dir);
619235acb18SJohannes Berg 
620de8ba41bSLiad Kaufman 	mvm->init_status = 0;
621de8ba41bSLiad Kaufman 
622e705c121SKalle Valo 	if (iwl_mvm_has_new_rx_api(mvm)) {
623e705c121SKalle Valo 		op_mode->ops = &iwl_mvm_ops_mq;
62425c2b22cSSara Sharon 		trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_desc);
625e705c121SKalle Valo 	} else {
626e705c121SKalle Valo 		op_mode->ops = &iwl_mvm_ops;
62725c2b22cSSara Sharon 		trans->rx_mpdu_cmd_hdr_size =
62825c2b22cSSara Sharon 			sizeof(struct iwl_rx_mpdu_res_start);
629e705c121SKalle Valo 
630e705c121SKalle Valo 		if (WARN_ON(trans->num_rx_queues > 1))
631e705c121SKalle Valo 			goto out_free;
632e705c121SKalle Valo 	}
633e705c121SKalle Valo 
6343b37f4c9SJohannes Berg 	mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;
635e705c121SKalle Valo 
63628d0793eSLiad Kaufman 	mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
637b13f43a4SEmmanuel Grumbach 	mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
63849f71713SSara Sharon 	mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
63949f71713SSara Sharon 	mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
640c8f54701SJohannes Berg 
641e705c121SKalle Valo 	mvm->sf_state = SF_UNINIT;
6427d6222e2SJohannes Berg 	if (iwl_mvm_has_unified_ucode(mvm))
643702e975dSJohannes Berg 		iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
6441f370650SSara Sharon 	else
645702e975dSJohannes Berg 		iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
646c89e333dSAndrei Otcheretianski 	mvm->drop_bcn_ap_mode = true;
647e705c121SKalle Valo 
648e705c121SKalle Valo 	mutex_init(&mvm->mutex);
649e705c121SKalle Valo 	mutex_init(&mvm->d0i3_suspend_mutex);
650e705c121SKalle Valo 	spin_lock_init(&mvm->async_handlers_lock);
651e705c121SKalle Valo 	INIT_LIST_HEAD(&mvm->time_event_list);
652e705c121SKalle Valo 	INIT_LIST_HEAD(&mvm->aux_roc_te_list);
653e705c121SKalle Valo 	INIT_LIST_HEAD(&mvm->async_handlers_list);
654e705c121SKalle Valo 	spin_lock_init(&mvm->time_event_lock);
655e705c121SKalle Valo 	spin_lock_init(&mvm->queue_info_lock);
656e705c121SKalle Valo 
657e705c121SKalle Valo 	INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
658e705c121SKalle Valo 	INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
659e705c121SKalle Valo 	INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work);
660e705c121SKalle Valo 	INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
66169e04642SLuca Coelho 	INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
66224afba76SLiad Kaufman 	INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
663e705c121SKalle Valo 
664e705c121SKalle Valo 	spin_lock_init(&mvm->d0i3_tx_lock);
665e705c121SKalle Valo 	spin_lock_init(&mvm->refs_lock);
666e705c121SKalle Valo 	skb_queue_head_init(&mvm->d0i3_tx);
667e705c121SKalle Valo 	init_waitqueue_head(&mvm->d0i3_exit_waitq);
6683a732c65SSara Sharon 	init_waitqueue_head(&mvm->rx_sync_waitq);
669e705c121SKalle Valo 
6700636b938SSara Sharon 	atomic_set(&mvm->queue_sync_counter, 0);
6710636b938SSara Sharon 
672e705c121SKalle Valo 	SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
673e705c121SKalle Valo 
6747d9d0d56SLuca Coelho 	spin_lock_init(&mvm->tcm.lock);
6757d9d0d56SLuca Coelho 	INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
6767d9d0d56SLuca Coelho 	mvm->tcm.ts = jiffies;
6777d9d0d56SLuca Coelho 	mvm->tcm.ll_ts = jiffies;
6787d9d0d56SLuca Coelho 	mvm->tcm.uapsd_nonagg_ts = jiffies;
6797d9d0d56SLuca Coelho 
680d3a108a4SAndrei Otcheretianski 	INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
681d3a108a4SAndrei Otcheretianski 
682e705c121SKalle Valo 	/*
683e705c121SKalle Valo 	 * Populate the state variables that the transport layer needs
684e705c121SKalle Valo 	 * to know about.
685e705c121SKalle Valo 	 */
686e705c121SKalle Valo 	trans_cfg.op_mode = op_mode;
687e705c121SKalle Valo 	trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
688e705c121SKalle Valo 	trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
6896c4fbcbcSEmmanuel Grumbach 	switch (iwlwifi_mod_params.amsdu_size) {
6904bdd4dfeSEmmanuel Grumbach 	case IWL_AMSDU_DEF:
6916c4fbcbcSEmmanuel Grumbach 	case IWL_AMSDU_4K:
6926c4fbcbcSEmmanuel Grumbach 		trans_cfg.rx_buf_size = IWL_AMSDU_4K;
6936c4fbcbcSEmmanuel Grumbach 		break;
6946c4fbcbcSEmmanuel Grumbach 	case IWL_AMSDU_8K:
6956c4fbcbcSEmmanuel Grumbach 		trans_cfg.rx_buf_size = IWL_AMSDU_8K;
6966c4fbcbcSEmmanuel Grumbach 		break;
6976c4fbcbcSEmmanuel Grumbach 	case IWL_AMSDU_12K:
6986c4fbcbcSEmmanuel Grumbach 		trans_cfg.rx_buf_size = IWL_AMSDU_12K;
6996c4fbcbcSEmmanuel Grumbach 		break;
7006c4fbcbcSEmmanuel Grumbach 	default:
7016c4fbcbcSEmmanuel Grumbach 		pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME,
7026c4fbcbcSEmmanuel Grumbach 		       iwlwifi_mod_params.amsdu_size);
7036c4fbcbcSEmmanuel Grumbach 		trans_cfg.rx_buf_size = IWL_AMSDU_4K;
7046c4fbcbcSEmmanuel Grumbach 	}
7054bdd4dfeSEmmanuel Grumbach 
7064bdd4dfeSEmmanuel Grumbach 	/* the hardware splits the A-MSDU */
7071a4968d1SGolan Ben Ami 	if (mvm->trans->cfg->device_family >=
7081a4968d1SGolan Ben Ami 	    IWL_DEVICE_FAMILY_22560)
7091a4968d1SGolan Ben Ami 		trans_cfg.rx_buf_size = IWL_AMSDU_2K;
7101a4968d1SGolan Ben Ami 	else if (mvm->cfg->mq_rx_supported)
7114bdd4dfeSEmmanuel Grumbach 		trans_cfg.rx_buf_size = IWL_AMSDU_4K;
712e705c121SKalle Valo 
7134b87e5afSLuca Coelho 	trans->wide_cmd_header = true;
7142a182fbbSGolan Ben Ami 	trans_cfg.bc_table_dword =
7152a182fbbSGolan Ben Ami 		mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_22560;
716e705c121SKalle Valo 
71739bdb17eSSharon Dvir 	trans_cfg.command_groups = iwl_mvm_groups;
71839bdb17eSSharon Dvir 	trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
719e705c121SKalle Valo 
720097129c9SLiad Kaufman 	trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
721e705c121SKalle Valo 	trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
722e705c121SKalle Valo 	trans_cfg.scd_set_active = true;
723e705c121SKalle Valo 
72421cb3222SJohannes Berg 	trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info,
72521cb3222SJohannes Berg 					  driver_data[2]);
72621cb3222SJohannes Berg 
72741837ca9SEmmanuel Grumbach 	trans_cfg.sw_csum_tx = IWL_MVM_SW_TX_CSUM_OFFLOAD;
728e705c121SKalle Valo 
729e705c121SKalle Valo 	/* Set a short watchdog for the command queue */
730e705c121SKalle Valo 	trans_cfg.cmd_q_wdg_timeout =
731e705c121SKalle Valo 		iwl_mvm_get_wd_timeout(mvm, NULL, false, true);
732e705c121SKalle Valo 
733e705c121SKalle Valo 	snprintf(mvm->hw->wiphy->fw_version,
734e705c121SKalle Valo 		 sizeof(mvm->hw->wiphy->fw_version),
735e705c121SKalle Valo 		 "%s", fw->fw_version);
736e705c121SKalle Valo 
737e705c121SKalle Valo 	/* Configure transport layer */
738e705c121SKalle Valo 	iwl_trans_configure(mvm->trans, &trans_cfg);
739e705c121SKalle Valo 
740e705c121SKalle Valo 	trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
741e705c121SKalle Valo 	trans->dbg_dest_tlv = mvm->fw->dbg_dest_tlv;
742e705c121SKalle Valo 	trans->dbg_dest_reg_num = mvm->fw->dbg_dest_reg_num;
743e705c121SKalle Valo 	memcpy(trans->dbg_conf_tlv, mvm->fw->dbg_conf_tlv,
744e705c121SKalle Valo 	       sizeof(trans->dbg_conf_tlv));
745e705c121SKalle Valo 	trans->dbg_trigger_tlv = mvm->fw->dbg_trigger_tlv;
746e705c121SKalle Valo 
747132db31cSGolan Ben-Ami 	trans->iml = mvm->fw->iml;
748132db31cSGolan Ben-Ami 	trans->iml_len = mvm->fw->iml_len;
749132db31cSGolan Ben-Ami 
750e705c121SKalle Valo 	/* set up notification wait support */
751e705c121SKalle Valo 	iwl_notification_wait_init(&mvm->notif_wait);
752e705c121SKalle Valo 
753e705c121SKalle Valo 	/* Init phy db */
754e705c121SKalle Valo 	mvm->phy_db = iwl_phy_db_init(trans);
755e705c121SKalle Valo 	if (!mvm->phy_db) {
756e705c121SKalle Valo 		IWL_ERR(mvm, "Cannot init phy_db\n");
757e705c121SKalle Valo 		goto out_free;
758e705c121SKalle Valo 	}
759e705c121SKalle Valo 
760e705c121SKalle Valo 	IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
761e705c121SKalle Valo 		 mvm->cfg->name, mvm->trans->hw_rev);
762e705c121SKalle Valo 
763e705c121SKalle Valo 	if (iwlwifi_mod_params.nvm_file)
764e705c121SKalle Valo 		mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
765e705c121SKalle Valo 	else
766e705c121SKalle Valo 		IWL_DEBUG_EEPROM(mvm->trans->dev,
767e705c121SKalle Valo 				 "working without external nvm file\n");
768e705c121SKalle Valo 
769e705c121SKalle Valo 	err = iwl_trans_start_hw(mvm->trans);
770e705c121SKalle Valo 	if (err)
771e705c121SKalle Valo 		goto out_free;
772e705c121SKalle Valo 
773e705c121SKalle Valo 	mutex_lock(&mvm->mutex);
77408f0d23dSEliad Peller 	iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE);
775e705c121SKalle Valo 	err = iwl_run_init_mvm_ucode(mvm, true);
776f4744258SLiad Kaufman 	if (!iwlmvm_mod_params.init_dbg || !err)
777fcb6b92aSChaya Rachel Ivgi 		iwl_mvm_stop_device(mvm);
77808f0d23dSEliad Peller 	iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE);
779e705c121SKalle Valo 	mutex_unlock(&mvm->mutex);
780de8ba41bSLiad Kaufman 	if (err < 0) {
781e705c121SKalle Valo 		IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err);
782e705c121SKalle Valo 		goto out_free;
783e705c121SKalle Valo 	}
784e705c121SKalle Valo 
785e705c121SKalle Valo 	scan_size = iwl_mvm_scan_size(mvm);
786e705c121SKalle Valo 
787e705c121SKalle Valo 	mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
788e705c121SKalle Valo 	if (!mvm->scan_cmd)
789e705c121SKalle Valo 		goto out_free;
790e705c121SKalle Valo 
791e705c121SKalle Valo 	/* Set EBS as successful as long as not stated otherwise by the FW. */
792e705c121SKalle Valo 	mvm->last_ebs_successful = true;
793e705c121SKalle Valo 
794e705c121SKalle Valo 	err = iwl_mvm_mac_setup_register(mvm);
795e705c121SKalle Valo 	if (err)
796e705c121SKalle Valo 		goto out_free;
7971f370650SSara Sharon 	mvm->hw_registered = true;
798e705c121SKalle Valo 
799f2abcfa6SLuca Coelho 	min_backoff = iwl_mvm_min_backoff(mvm);
80004ddc2aaSChaya Rachel Ivgi 	iwl_mvm_thermal_initialize(mvm, min_backoff);
80104ddc2aaSChaya Rachel Ivgi 
802e705c121SKalle Valo 	err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir);
803e705c121SKalle Valo 	if (err)
804e705c121SKalle Valo 		goto out_unregister;
805e705c121SKalle Valo 
806678d9b6dSLiad Kaufman 	if (!iwl_mvm_has_new_rx_stats_api(mvm))
807678d9b6dSLiad Kaufman 		memset(&mvm->rx_stats_v3, 0,
808678d9b6dSLiad Kaufman 		       sizeof(struct mvm_statistics_rx_v3));
809678d9b6dSLiad Kaufman 	else
810e705c121SKalle Valo 		memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
811e705c121SKalle Valo 
81233c85eadSLuca Coelho 	/* The transport always starts with a taken reference, we can
81333c85eadSLuca Coelho 	 * release it now if d0i3 is supported */
81433c85eadSLuca Coelho 	if (iwl_mvm_is_d0i3_supported(mvm))
815a42b2af3SLuca Coelho 		iwl_trans_unref(mvm->trans);
816e705c121SKalle Valo 
817e705c121SKalle Valo 	iwl_mvm_tof_init(mvm);
818e705c121SKalle Valo 
819e705c121SKalle Valo 	return op_mode;
820e705c121SKalle Valo 
821e705c121SKalle Valo  out_unregister:
822de8ba41bSLiad Kaufman 	if (iwlmvm_mod_params.init_dbg)
823de8ba41bSLiad Kaufman 		return op_mode;
824de8ba41bSLiad Kaufman 
825e705c121SKalle Valo 	ieee80211_unregister_hw(mvm->hw);
8261f370650SSara Sharon 	mvm->hw_registered = false;
827e705c121SKalle Valo 	iwl_mvm_leds_exit(mvm);
828c221daf2SChaya Rachel Ivgi 	iwl_mvm_thermal_exit(mvm);
829e705c121SKalle Valo  out_free:
8307174beb6SJohannes Berg 	iwl_fw_flush_dump(&mvm->fwrt);
831de8ba41bSLiad Kaufman 
832de8ba41bSLiad Kaufman 	if (iwlmvm_mod_params.init_dbg)
833de8ba41bSLiad Kaufman 		return op_mode;
834e705c121SKalle Valo 	iwl_phy_db_free(mvm->phy_db);
835e705c121SKalle Valo 	kfree(mvm->scan_cmd);
836e705c121SKalle Valo 	iwl_trans_op_mode_leave(trans);
83756f2929bSSara Sharon 
838e705c121SKalle Valo 	ieee80211_free_hw(mvm->hw);
839e705c121SKalle Valo 	return NULL;
840e705c121SKalle Valo }
841e705c121SKalle Valo 
842e705c121SKalle Valo static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
843e705c121SKalle Valo {
844e705c121SKalle Valo 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
845e705c121SKalle Valo 	int i;
846e705c121SKalle Valo 
847e27deb45SLuca Coelho 	/* If d0i3 is supported, we have released the reference that
848e27deb45SLuca Coelho 	 * the transport started with, so we should take it back now
849e27deb45SLuca Coelho 	 * that we are leaving.
850e27deb45SLuca Coelho 	 */
851e27deb45SLuca Coelho 	if (iwl_mvm_is_d0i3_supported(mvm))
852e27deb45SLuca Coelho 		iwl_trans_ref(mvm->trans);
853e27deb45SLuca Coelho 
854e705c121SKalle Valo 	iwl_mvm_leds_exit(mvm);
855e705c121SKalle Valo 
856c221daf2SChaya Rachel Ivgi 	iwl_mvm_thermal_exit(mvm);
857e705c121SKalle Valo 
858de8ba41bSLiad Kaufman 	if (mvm->init_status & IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE) {
859e705c121SKalle Valo 		ieee80211_unregister_hw(mvm->hw);
860de8ba41bSLiad Kaufman 		mvm->init_status &= ~IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE;
861de8ba41bSLiad Kaufman 	}
862e705c121SKalle Valo 
863e705c121SKalle Valo 	kfree(mvm->scan_cmd);
864e705c121SKalle Valo 	kfree(mvm->mcast_filter_cmd);
865e705c121SKalle Valo 	mvm->mcast_filter_cmd = NULL;
866e705c121SKalle Valo 
867e705c121SKalle Valo #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS)
868e705c121SKalle Valo 	kfree(mvm->d3_resume_sram);
869e705c121SKalle Valo #endif
870e705c121SKalle Valo 	iwl_trans_op_mode_leave(mvm->trans);
871e705c121SKalle Valo 
872e705c121SKalle Valo 	iwl_phy_db_free(mvm->phy_db);
873e705c121SKalle Valo 	mvm->phy_db = NULL;
874e705c121SKalle Valo 
8751dad3e0aSLuca Coelho 	kfree(mvm->nvm_data);
876e705c121SKalle Valo 	for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
877e705c121SKalle Valo 		kfree(mvm->nvm_sections[i].data);
878e705c121SKalle Valo 
8797d9d0d56SLuca Coelho 	cancel_delayed_work_sync(&mvm->tcm.work);
8807d9d0d56SLuca Coelho 
881e705c121SKalle Valo 	iwl_mvm_tof_clean(mvm);
882e705c121SKalle Valo 
883a2a57a35SEmmanuel Grumbach 	mutex_destroy(&mvm->mutex);
884a2a57a35SEmmanuel Grumbach 	mutex_destroy(&mvm->d0i3_suspend_mutex);
885a2a57a35SEmmanuel Grumbach 
886e705c121SKalle Valo 	ieee80211_free_hw(mvm->hw);
887e705c121SKalle Valo }
888e705c121SKalle Valo 
889e705c121SKalle Valo struct iwl_async_handler_entry {
890e705c121SKalle Valo 	struct list_head list;
891e705c121SKalle Valo 	struct iwl_rx_cmd_buffer rxb;
892c9cb14a6SChaya Rachel Ivgi 	enum iwl_rx_handler_context context;
893e705c121SKalle Valo 	void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
894e705c121SKalle Valo };
895e705c121SKalle Valo 
896e705c121SKalle Valo void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
897e705c121SKalle Valo {
898e705c121SKalle Valo 	struct iwl_async_handler_entry *entry, *tmp;
899e705c121SKalle Valo 
900e705c121SKalle Valo 	spin_lock_bh(&mvm->async_handlers_lock);
901e705c121SKalle Valo 	list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
902e705c121SKalle Valo 		iwl_free_rxb(&entry->rxb);
903e705c121SKalle Valo 		list_del(&entry->list);
904e705c121SKalle Valo 		kfree(entry);
905e705c121SKalle Valo 	}
906e705c121SKalle Valo 	spin_unlock_bh(&mvm->async_handlers_lock);
907e705c121SKalle Valo }
908e705c121SKalle Valo 
909e705c121SKalle Valo static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
910e705c121SKalle Valo {
911e705c121SKalle Valo 	struct iwl_mvm *mvm =
912e705c121SKalle Valo 		container_of(wk, struct iwl_mvm, async_handlers_wk);
913e705c121SKalle Valo 	struct iwl_async_handler_entry *entry, *tmp;
9148098203fSJohannes Berg 	LIST_HEAD(local_list);
915e705c121SKalle Valo 
916e705c121SKalle Valo 	/* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
917e705c121SKalle Valo 
918e705c121SKalle Valo 	/*
919e705c121SKalle Valo 	 * Sync with Rx path with a lock. Remove all the entries from this list,
920e705c121SKalle Valo 	 * add them to a local one (lock free), and then handle them.
921e705c121SKalle Valo 	 */
922e705c121SKalle Valo 	spin_lock_bh(&mvm->async_handlers_lock);
923e705c121SKalle Valo 	list_splice_init(&mvm->async_handlers_list, &local_list);
924e705c121SKalle Valo 	spin_unlock_bh(&mvm->async_handlers_lock);
925e705c121SKalle Valo 
926e705c121SKalle Valo 	list_for_each_entry_safe(entry, tmp, &local_list, list) {
927c9cb14a6SChaya Rachel Ivgi 		if (entry->context == RX_HANDLER_ASYNC_LOCKED)
928c9cb14a6SChaya Rachel Ivgi 			mutex_lock(&mvm->mutex);
929e705c121SKalle Valo 		entry->fn(mvm, &entry->rxb);
930e705c121SKalle Valo 		iwl_free_rxb(&entry->rxb);
931e705c121SKalle Valo 		list_del(&entry->list);
932c9cb14a6SChaya Rachel Ivgi 		if (entry->context == RX_HANDLER_ASYNC_LOCKED)
933c9cb14a6SChaya Rachel Ivgi 			mutex_unlock(&mvm->mutex);
934e705c121SKalle Valo 		kfree(entry);
935e705c121SKalle Valo 	}
936e705c121SKalle Valo }
937e705c121SKalle Valo 
938e705c121SKalle Valo static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
939e705c121SKalle Valo 					    struct iwl_rx_packet *pkt)
940e705c121SKalle Valo {
941e705c121SKalle Valo 	struct iwl_fw_dbg_trigger_tlv *trig;
942e705c121SKalle Valo 	struct iwl_fw_dbg_trigger_cmd *cmds_trig;
943e705c121SKalle Valo 	int i;
944e705c121SKalle Valo 
945e705c121SKalle Valo 	if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF))
946e705c121SKalle Valo 		return;
947e705c121SKalle Valo 
948e705c121SKalle Valo 	trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF);
949e705c121SKalle Valo 	cmds_trig = (void *)trig->data;
950e705c121SKalle Valo 
9517174beb6SJohannes Berg 	if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, NULL, trig))
952e705c121SKalle Valo 		return;
953e705c121SKalle Valo 
954e705c121SKalle Valo 	for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
955e705c121SKalle Valo 		/* don't collect on CMD 0 */
956e705c121SKalle Valo 		if (!cmds_trig->cmds[i].cmd_id)
957e705c121SKalle Valo 			break;
958e705c121SKalle Valo 
959e705c121SKalle Valo 		if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
960e705c121SKalle Valo 		    cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
961e705c121SKalle Valo 			continue;
962e705c121SKalle Valo 
9637174beb6SJohannes Berg 		iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
964e705c121SKalle Valo 					"CMD 0x%02x.%02x received",
965e705c121SKalle Valo 					pkt->hdr.group_id, pkt->hdr.cmd);
966e705c121SKalle Valo 		break;
967e705c121SKalle Valo 	}
968e705c121SKalle Valo }
969e705c121SKalle Valo 
970e705c121SKalle Valo static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
971e705c121SKalle Valo 			      struct iwl_rx_cmd_buffer *rxb,
972e705c121SKalle Valo 			      struct iwl_rx_packet *pkt)
973e705c121SKalle Valo {
974e705c121SKalle Valo 	int i;
975e705c121SKalle Valo 
976e705c121SKalle Valo 	iwl_mvm_rx_check_trigger(mvm, pkt);
977e705c121SKalle Valo 
978e705c121SKalle Valo 	/*
979e705c121SKalle Valo 	 * Do the notification wait before RX handlers so
980e705c121SKalle Valo 	 * even if the RX handler consumes the RXB we have
981e705c121SKalle Valo 	 * access to it in the notification wait entry.
982e705c121SKalle Valo 	 */
983e705c121SKalle Valo 	iwl_notification_wait_notify(&mvm->notif_wait, pkt);
984e705c121SKalle Valo 
985e705c121SKalle Valo 	for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
986e705c121SKalle Valo 		const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
987e705c121SKalle Valo 		struct iwl_async_handler_entry *entry;
988e705c121SKalle Valo 
989e705c121SKalle Valo 		if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
990e705c121SKalle Valo 			continue;
991e705c121SKalle Valo 
992c9cb14a6SChaya Rachel Ivgi 		if (rx_h->context == RX_HANDLER_SYNC) {
993e705c121SKalle Valo 			rx_h->fn(mvm, rxb);
994e705c121SKalle Valo 			return;
995e705c121SKalle Valo 		}
996e705c121SKalle Valo 
997e705c121SKalle Valo 		entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
998e705c121SKalle Valo 		/* we can't do much... */
999e705c121SKalle Valo 		if (!entry)
1000e705c121SKalle Valo 			return;
1001e705c121SKalle Valo 
1002e705c121SKalle Valo 		entry->rxb._page = rxb_steal_page(rxb);
1003e705c121SKalle Valo 		entry->rxb._offset = rxb->_offset;
1004e705c121SKalle Valo 		entry->rxb._rx_page_order = rxb->_rx_page_order;
1005e705c121SKalle Valo 		entry->fn = rx_h->fn;
1006c9cb14a6SChaya Rachel Ivgi 		entry->context = rx_h->context;
1007e705c121SKalle Valo 		spin_lock(&mvm->async_handlers_lock);
1008e705c121SKalle Valo 		list_add_tail(&entry->list, &mvm->async_handlers_list);
1009e705c121SKalle Valo 		spin_unlock(&mvm->async_handlers_lock);
1010e705c121SKalle Valo 		schedule_work(&mvm->async_handlers_wk);
1011f2e66c8dSMordechai Goodstein 		return;
1012e705c121SKalle Valo 	}
1013f2e66c8dSMordechai Goodstein 
1014f2e66c8dSMordechai Goodstein 	iwl_fwrt_handle_notification(&mvm->fwrt, rxb);
1015e705c121SKalle Valo }
1016e705c121SKalle Valo 
1017e705c121SKalle Valo static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
1018e705c121SKalle Valo 		       struct napi_struct *napi,
1019e705c121SKalle Valo 		       struct iwl_rx_cmd_buffer *rxb)
1020e705c121SKalle Valo {
1021e705c121SKalle Valo 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
1022e705c121SKalle Valo 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
102361b0f5d7SJohannes Berg 	u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1024e705c121SKalle Valo 
102561b0f5d7SJohannes Berg 	if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1026e705c121SKalle Valo 		iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
102761b0f5d7SJohannes Berg 	else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
1028e705c121SKalle Valo 		iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
1029e705c121SKalle Valo 	else
1030e705c121SKalle Valo 		iwl_mvm_rx_common(mvm, rxb, pkt);
1031e705c121SKalle Valo }
1032e705c121SKalle Valo 
1033e705c121SKalle Valo static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
1034e705c121SKalle Valo 			  struct napi_struct *napi,
1035e705c121SKalle Valo 			  struct iwl_rx_cmd_buffer *rxb)
1036e705c121SKalle Valo {
1037e705c121SKalle Valo 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
1038e705c121SKalle Valo 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
103961b0f5d7SJohannes Berg 	u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1040e705c121SKalle Valo 
104161b0f5d7SJohannes Berg 	if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1042780e87c2SJohannes Berg 		iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
104361b0f5d7SJohannes Berg 	else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
104461b0f5d7SJohannes Berg 					 RX_QUEUES_NOTIFICATION)))
104594bb4481SSara Sharon 		iwl_mvm_rx_queue_notif(mvm, rxb, 0);
104661b0f5d7SJohannes Berg 	else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
104758035432SJohannes Berg 		iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
1048e705c121SKalle Valo 	else
1049e705c121SKalle Valo 		iwl_mvm_rx_common(mvm, rxb, pkt);
1050e705c121SKalle Valo }
1051e705c121SKalle Valo 
1052b4f7a9d1SLiad Kaufman void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq)
1053e705c121SKalle Valo {
1054e705c121SKalle Valo 	int q;
1055e705c121SKalle Valo 
1056e705c121SKalle Valo 	if (WARN_ON_ONCE(!mq))
1057e705c121SKalle Valo 		return;
1058e705c121SKalle Valo 
1059e705c121SKalle Valo 	for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) {
1060e705c121SKalle Valo 		if (atomic_inc_return(&mvm->mac80211_queue_stop_count[q]) > 1) {
1061e705c121SKalle Valo 			IWL_DEBUG_TX_QUEUES(mvm,
1062b4f7a9d1SLiad Kaufman 					    "mac80211 %d already stopped\n", q);
1063e705c121SKalle Valo 			continue;
1064e705c121SKalle Valo 		}
1065e705c121SKalle Valo 
1066e705c121SKalle Valo 		ieee80211_stop_queue(mvm->hw, q);
1067e705c121SKalle Valo 	}
1068e705c121SKalle Valo }
1069e705c121SKalle Valo 
1070156f92f2SEmmanuel Grumbach static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode,
1071156f92f2SEmmanuel Grumbach 			     const struct iwl_device_cmd *cmd)
1072156f92f2SEmmanuel Grumbach {
1073156f92f2SEmmanuel Grumbach 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1074156f92f2SEmmanuel Grumbach 
1075156f92f2SEmmanuel Grumbach 	/*
1076156f92f2SEmmanuel Grumbach 	 * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA
1077156f92f2SEmmanuel Grumbach 	 * commands that need to block the Tx queues.
1078156f92f2SEmmanuel Grumbach 	 */
1079156f92f2SEmmanuel Grumbach 	iwl_trans_block_txq_ptrs(mvm->trans, false);
1080156f92f2SEmmanuel Grumbach }
1081156f92f2SEmmanuel Grumbach 
1082b4f7a9d1SLiad Kaufman static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1083e705c121SKalle Valo {
1084e705c121SKalle Valo 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1085e705c121SKalle Valo 	unsigned long mq;
1086e705c121SKalle Valo 
1087e705c121SKalle Valo 	spin_lock_bh(&mvm->queue_info_lock);
108834e10860SSara Sharon 	mq = mvm->hw_queue_to_mac80211[hw_queue];
1089e705c121SKalle Valo 	spin_unlock_bh(&mvm->queue_info_lock);
1090e705c121SKalle Valo 
1091b4f7a9d1SLiad Kaufman 	iwl_mvm_stop_mac_queues(mvm, mq);
1092b4f7a9d1SLiad Kaufman }
1093b4f7a9d1SLiad Kaufman 
1094b4f7a9d1SLiad Kaufman void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq)
1095b4f7a9d1SLiad Kaufman {
1096b4f7a9d1SLiad Kaufman 	int q;
1097b4f7a9d1SLiad Kaufman 
1098e705c121SKalle Valo 	if (WARN_ON_ONCE(!mq))
1099e705c121SKalle Valo 		return;
1100e705c121SKalle Valo 
1101e705c121SKalle Valo 	for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) {
1102e705c121SKalle Valo 		if (atomic_dec_return(&mvm->mac80211_queue_stop_count[q]) > 0) {
1103e705c121SKalle Valo 			IWL_DEBUG_TX_QUEUES(mvm,
1104b4f7a9d1SLiad Kaufman 					    "mac80211 %d still stopped\n", q);
1105e705c121SKalle Valo 			continue;
1106e705c121SKalle Valo 		}
1107e705c121SKalle Valo 
1108e705c121SKalle Valo 		ieee80211_wake_queue(mvm->hw, q);
1109e705c121SKalle Valo 	}
1110e705c121SKalle Valo }
1111e705c121SKalle Valo 
1112b4f7a9d1SLiad Kaufman static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1113b4f7a9d1SLiad Kaufman {
1114b4f7a9d1SLiad Kaufman 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1115b4f7a9d1SLiad Kaufman 	unsigned long mq;
1116b4f7a9d1SLiad Kaufman 
1117b4f7a9d1SLiad Kaufman 	spin_lock_bh(&mvm->queue_info_lock);
111834e10860SSara Sharon 	mq = mvm->hw_queue_to_mac80211[hw_queue];
1119b4f7a9d1SLiad Kaufman 	spin_unlock_bh(&mvm->queue_info_lock);
1120b4f7a9d1SLiad Kaufman 
1121b4f7a9d1SLiad Kaufman 	iwl_mvm_start_mac_queues(mvm, mq);
1122b4f7a9d1SLiad Kaufman }
1123b4f7a9d1SLiad Kaufman 
11246ad04359SJohannes Berg static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
11256ad04359SJohannes Berg {
11266ad04359SJohannes Berg 	bool state = iwl_mvm_is_radio_killed(mvm);
11276ad04359SJohannes Berg 
11286ad04359SJohannes Berg 	if (state)
11296ad04359SJohannes Berg 		wake_up(&mvm->rx_sync_waitq);
11306ad04359SJohannes Berg 
11316ad04359SJohannes Berg 	wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state);
11326ad04359SJohannes Berg }
11336ad04359SJohannes Berg 
1134e705c121SKalle Valo void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
1135e705c121SKalle Valo {
1136e705c121SKalle Valo 	if (state)
1137e705c121SKalle Valo 		set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1138e705c121SKalle Valo 	else
1139e705c121SKalle Valo 		clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1140e705c121SKalle Valo 
11416ad04359SJohannes Berg 	iwl_mvm_set_rfkill_state(mvm);
1142e705c121SKalle Valo }
1143e705c121SKalle Valo 
1144e705c121SKalle Valo static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
1145e705c121SKalle Valo {
1146e705c121SKalle Valo 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
11476aa7de05SMark Rutland 	bool calibrating = READ_ONCE(mvm->calibrating);
1148e705c121SKalle Valo 
1149e705c121SKalle Valo 	if (state)
1150e705c121SKalle Valo 		set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1151e705c121SKalle Valo 	else
1152e705c121SKalle Valo 		clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1153e705c121SKalle Valo 
11546ad04359SJohannes Berg 	iwl_mvm_set_rfkill_state(mvm);
1155e705c121SKalle Valo 
1156e705c121SKalle Valo 	/* iwl_run_init_mvm_ucode is waiting for results, abort it */
1157e705c121SKalle Valo 	if (calibrating)
1158e705c121SKalle Valo 		iwl_abort_notification_waits(&mvm->notif_wait);
1159e705c121SKalle Valo 
1160e705c121SKalle Valo 	/*
1161e705c121SKalle Valo 	 * Stop the device if we run OPERATIONAL firmware or if we are in the
1162e705c121SKalle Valo 	 * middle of the calibrations.
1163e705c121SKalle Valo 	 */
1164702e975dSJohannes Berg 	return state && (mvm->fwrt.cur_fw_img != IWL_UCODE_INIT || calibrating);
1165e705c121SKalle Valo }
1166e705c121SKalle Valo 
1167e705c121SKalle Valo static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
1168e705c121SKalle Valo {
1169e705c121SKalle Valo 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1170e705c121SKalle Valo 	struct ieee80211_tx_info *info;
1171e705c121SKalle Valo 
1172e705c121SKalle Valo 	info = IEEE80211_SKB_CB(skb);
1173e705c121SKalle Valo 	iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
1174e705c121SKalle Valo 	ieee80211_free_txskb(mvm->hw, skb);
1175e705c121SKalle Valo }
1176e705c121SKalle Valo 
1177e705c121SKalle Valo struct iwl_mvm_reprobe {
1178e705c121SKalle Valo 	struct device *dev;
1179e705c121SKalle Valo 	struct work_struct work;
1180e705c121SKalle Valo };
1181e705c121SKalle Valo 
1182e705c121SKalle Valo static void iwl_mvm_reprobe_wk(struct work_struct *wk)
1183e705c121SKalle Valo {
1184e705c121SKalle Valo 	struct iwl_mvm_reprobe *reprobe;
1185e705c121SKalle Valo 
1186e705c121SKalle Valo 	reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
1187e705c121SKalle Valo 	if (device_reprobe(reprobe->dev))
1188e705c121SKalle Valo 		dev_err(reprobe->dev, "reprobe failed!\n");
1189e705c121SKalle Valo 	kfree(reprobe);
1190e705c121SKalle Valo 	module_put(THIS_MODULE);
1191e705c121SKalle Valo }
1192e705c121SKalle Valo 
1193e705c121SKalle Valo void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
1194e705c121SKalle Valo {
1195e705c121SKalle Valo 	iwl_abort_notification_waits(&mvm->notif_wait);
1196e705c121SKalle Valo 
1197e705c121SKalle Valo 	/*
1198e705c121SKalle Valo 	 * This is a bit racy, but worst case we tell mac80211 about
1199e705c121SKalle Valo 	 * a stopped/aborted scan when that was already done which
1200e705c121SKalle Valo 	 * is not a problem. It is necessary to abort any os scan
1201e705c121SKalle Valo 	 * here because mac80211 requires having the scan cleared
1202e705c121SKalle Valo 	 * before restarting.
1203e705c121SKalle Valo 	 * We'll reset the scan_status to NONE in restart cleanup in
1204e705c121SKalle Valo 	 * the next start() call from mac80211. If restart isn't called
1205e705c121SKalle Valo 	 * (no fw restart) scan status will stay busy.
1206e705c121SKalle Valo 	 */
1207e705c121SKalle Valo 	iwl_mvm_report_scan_aborted(mvm);
1208e705c121SKalle Valo 
1209e705c121SKalle Valo 	/*
1210e705c121SKalle Valo 	 * If we're restarting already, don't cycle restarts.
1211e705c121SKalle Valo 	 * If INIT fw asserted, it will likely fail again.
1212e705c121SKalle Valo 	 * If WoWLAN fw asserted, don't restart either, mac80211
1213e705c121SKalle Valo 	 * can't recover this since we're already half suspended.
1214e705c121SKalle Valo 	 */
12153b37f4c9SJohannes Berg 	if (!mvm->fw_restart && fw_error) {
12167174beb6SJohannes Berg 		iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert,
1217e705c121SKalle Valo 					NULL);
1218bf8b286fSJohannes Berg 	} else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1219e705c121SKalle Valo 		struct iwl_mvm_reprobe *reprobe;
1220e705c121SKalle Valo 
1221e705c121SKalle Valo 		IWL_ERR(mvm,
1222e705c121SKalle Valo 			"Firmware error during reconfiguration - reprobe!\n");
1223e705c121SKalle Valo 
1224e705c121SKalle Valo 		/*
1225e705c121SKalle Valo 		 * get a module reference to avoid doing this while unloading
1226e705c121SKalle Valo 		 * anyway and to avoid scheduling a work with code that's
1227e705c121SKalle Valo 		 * being removed.
1228e705c121SKalle Valo 		 */
1229e705c121SKalle Valo 		if (!try_module_get(THIS_MODULE)) {
1230e705c121SKalle Valo 			IWL_ERR(mvm, "Module is being unloaded - abort\n");
1231e705c121SKalle Valo 			return;
1232e705c121SKalle Valo 		}
1233e705c121SKalle Valo 
1234e705c121SKalle Valo 		reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
1235e705c121SKalle Valo 		if (!reprobe) {
1236e705c121SKalle Valo 			module_put(THIS_MODULE);
1237e705c121SKalle Valo 			return;
1238e705c121SKalle Valo 		}
1239e705c121SKalle Valo 		reprobe->dev = mvm->trans->dev;
1240e705c121SKalle Valo 		INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
1241e705c121SKalle Valo 		schedule_work(&reprobe->work);
1242702e975dSJohannes Berg 	} else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR &&
12431f370650SSara Sharon 		   mvm->hw_registered) {
1244e705c121SKalle Valo 		/* don't let the transport/FW power down */
1245e705c121SKalle Valo 		iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
1246e705c121SKalle Valo 
12473b37f4c9SJohannes Berg 		if (fw_error && mvm->fw_restart > 0)
12483b37f4c9SJohannes Berg 			mvm->fw_restart--;
1249bf8b286fSJohannes Berg 		set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
1250e705c121SKalle Valo 		ieee80211_restart_hw(mvm->hw);
1251e705c121SKalle Valo 	}
1252e705c121SKalle Valo }
1253e705c121SKalle Valo 
1254e705c121SKalle Valo static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)
1255e705c121SKalle Valo {
1256e705c121SKalle Valo 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1257e705c121SKalle Valo 
1258e705c121SKalle Valo 	iwl_mvm_dump_nic_error_log(mvm);
1259e705c121SKalle Valo 
1260e705c121SKalle Valo 	iwl_mvm_nic_restart(mvm, true);
1261e705c121SKalle Valo }
1262e705c121SKalle Valo 
1263e705c121SKalle Valo static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
1264e705c121SKalle Valo {
1265e705c121SKalle Valo 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1266e705c121SKalle Valo 
1267e705c121SKalle Valo 	WARN_ON(1);
1268e705c121SKalle Valo 	iwl_mvm_nic_restart(mvm, true);
1269e705c121SKalle Valo }
1270e705c121SKalle Valo 
1271e705c121SKalle Valo struct iwl_d0i3_iter_data {
1272e705c121SKalle Valo 	struct iwl_mvm *mvm;
1273a3f7ba5cSEliad Peller 	struct ieee80211_vif *connected_vif;
1274e705c121SKalle Valo 	u8 ap_sta_id;
1275e705c121SKalle Valo 	u8 vif_count;
1276e705c121SKalle Valo 	u8 offloading_tid;
1277e705c121SKalle Valo 	bool disable_offloading;
1278e705c121SKalle Valo };
1279e705c121SKalle Valo 
1280e705c121SKalle Valo static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm,
1281e705c121SKalle Valo 					struct ieee80211_vif *vif,
1282e705c121SKalle Valo 					struct iwl_d0i3_iter_data *iter_data)
1283e705c121SKalle Valo {
1284e705c121SKalle Valo 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1285e705c121SKalle Valo 	struct iwl_mvm_sta *mvmsta;
1286e705c121SKalle Valo 	u32 available_tids = 0;
1287e705c121SKalle Valo 	u8 tid;
1288e705c121SKalle Valo 
1289e705c121SKalle Valo 	if (WARN_ON(vif->type != NL80211_IFTYPE_STATION ||
12900ae98812SSara Sharon 		    mvmvif->ap_sta_id == IWL_MVM_INVALID_STA))
1291e705c121SKalle Valo 		return false;
1292e705c121SKalle Valo 
129313303c0fSSara Sharon 	mvmsta = iwl_mvm_sta_from_staid_rcu(mvm, mvmvif->ap_sta_id);
129413303c0fSSara Sharon 	if (!mvmsta)
1295e705c121SKalle Valo 		return false;
1296e705c121SKalle Valo 
1297e705c121SKalle Valo 	spin_lock_bh(&mvmsta->lock);
1298e705c121SKalle Valo 	for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
1299e705c121SKalle Valo 		struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
1300e705c121SKalle Valo 
1301e705c121SKalle Valo 		/*
1302e705c121SKalle Valo 		 * in case of pending tx packets, don't use this tid
1303e705c121SKalle Valo 		 * for offloading in order to prevent reuse of the same
1304e705c121SKalle Valo 		 * qos seq counters.
1305e705c121SKalle Valo 		 */
1306dd32162dSLiad Kaufman 		if (iwl_mvm_tid_queued(mvm, tid_data))
1307e705c121SKalle Valo 			continue;
1308e705c121SKalle Valo 
1309e705c121SKalle Valo 		if (tid_data->state != IWL_AGG_OFF)
1310e705c121SKalle Valo 			continue;
1311e705c121SKalle Valo 
1312e705c121SKalle Valo 		available_tids |= BIT(tid);
1313e705c121SKalle Valo 	}
1314e705c121SKalle Valo 	spin_unlock_bh(&mvmsta->lock);
1315e705c121SKalle Valo 
1316e705c121SKalle Valo 	/*
1317e705c121SKalle Valo 	 * disallow protocol offloading if we have no available tid
1318e705c121SKalle Valo 	 * (with no pending frames and no active aggregation,
1319e705c121SKalle Valo 	 * as we don't handle "holes" properly - the scheduler needs the
1320e705c121SKalle Valo 	 * frame's seq number and TFD index to match)
1321e705c121SKalle Valo 	 */
1322e705c121SKalle Valo 	if (!available_tids)
1323e705c121SKalle Valo 		return true;
1324e705c121SKalle Valo 
1325e705c121SKalle Valo 	/* for simplicity, just use the first available tid */
1326e705c121SKalle Valo 	iter_data->offloading_tid = ffs(available_tids) - 1;
1327e705c121SKalle Valo 	return false;
1328e705c121SKalle Valo }
1329e705c121SKalle Valo 
1330e705c121SKalle Valo static void iwl_mvm_enter_d0i3_iterator(void *_data, u8 *mac,
1331e705c121SKalle Valo 					struct ieee80211_vif *vif)
1332e705c121SKalle Valo {
1333e705c121SKalle Valo 	struct iwl_d0i3_iter_data *data = _data;
1334e705c121SKalle Valo 	struct iwl_mvm *mvm = data->mvm;
1335e705c121SKalle Valo 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1336e705c121SKalle Valo 	u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
1337e705c121SKalle Valo 
1338e705c121SKalle Valo 	IWL_DEBUG_RPM(mvm, "entering D0i3 - vif %pM\n", vif->addr);
1339e705c121SKalle Valo 	if (vif->type != NL80211_IFTYPE_STATION ||
1340e705c121SKalle Valo 	    !vif->bss_conf.assoc)
1341e705c121SKalle Valo 		return;
1342e705c121SKalle Valo 
1343e705c121SKalle Valo 	/*
1344e705c121SKalle Valo 	 * in case of pending tx packets or active aggregations,
1345e705c121SKalle Valo 	 * avoid offloading features in order to prevent reuse of
1346e705c121SKalle Valo 	 * the same qos seq counters.
1347e705c121SKalle Valo 	 */
1348e705c121SKalle Valo 	if (iwl_mvm_disallow_offloading(mvm, vif, data))
1349e705c121SKalle Valo 		data->disable_offloading = true;
1350e705c121SKalle Valo 
1351e705c121SKalle Valo 	iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags);
1352c97dab40SSara Sharon 	iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading,
1353c97dab40SSara Sharon 				   false, flags);
1354e705c121SKalle Valo 
1355e705c121SKalle Valo 	/*
1356e705c121SKalle Valo 	 * on init/association, mvm already configures POWER_TABLE_CMD
1357e705c121SKalle Valo 	 * and REPLY_MCAST_FILTER_CMD, so currently don't
1358e705c121SKalle Valo 	 * reconfigure them (we might want to use different
1359e705c121SKalle Valo 	 * params later on, though).
1360e705c121SKalle Valo 	 */
1361e705c121SKalle Valo 	data->ap_sta_id = mvmvif->ap_sta_id;
1362e705c121SKalle Valo 	data->vif_count++;
1363a3f7ba5cSEliad Peller 
1364a3f7ba5cSEliad Peller 	/*
1365a3f7ba5cSEliad Peller 	 * no new commands can be sent at this stage, so it's safe
1366a3f7ba5cSEliad Peller 	 * to save the vif pointer during d0i3 entrance.
1367a3f7ba5cSEliad Peller 	 */
1368a3f7ba5cSEliad Peller 	data->connected_vif = vif;
1369e705c121SKalle Valo }
1370e705c121SKalle Valo 
1371e705c121SKalle Valo static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm,
1372e705c121SKalle Valo 				    struct iwl_wowlan_config_cmd *cmd,
1373e705c121SKalle Valo 				    struct iwl_d0i3_iter_data *iter_data)
1374e705c121SKalle Valo {
1375e705c121SKalle Valo 	struct ieee80211_sta *ap_sta;
1376e705c121SKalle Valo 	struct iwl_mvm_sta *mvm_ap_sta;
1377e705c121SKalle Valo 
13780ae98812SSara Sharon 	if (iter_data->ap_sta_id == IWL_MVM_INVALID_STA)
1379e705c121SKalle Valo 		return;
1380e705c121SKalle Valo 
1381e705c121SKalle Valo 	rcu_read_lock();
1382e705c121SKalle Valo 
1383e705c121SKalle Valo 	ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[iter_data->ap_sta_id]);
1384e705c121SKalle Valo 	if (IS_ERR_OR_NULL(ap_sta))
1385e705c121SKalle Valo 		goto out;
1386e705c121SKalle Valo 
1387e705c121SKalle Valo 	mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta);
1388e705c121SKalle Valo 	cmd->is_11n_connection = ap_sta->ht_cap.ht_supported;
1389e705c121SKalle Valo 	cmd->offloading_tid = iter_data->offloading_tid;
139070b4c536SSara Sharon 	cmd->flags = ENABLE_L3_FILTERING | ENABLE_NBNS_FILTERING |
13910db056d3SSara Sharon 		ENABLE_DHCP_FILTERING | ENABLE_STORE_BEACON;
1392e705c121SKalle Valo 	/*
1393e705c121SKalle Valo 	 * The d0i3 uCode takes care of the nonqos counters,
1394e705c121SKalle Valo 	 * so configure only the qos seq ones.
1395e705c121SKalle Valo 	 */
1396e705c121SKalle Valo 	iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, cmd);
1397e705c121SKalle Valo out:
1398e705c121SKalle Valo 	rcu_read_unlock();
1399e705c121SKalle Valo }
1400e705c121SKalle Valo 
1401e705c121SKalle Valo int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode)
1402e705c121SKalle Valo {
1403e705c121SKalle Valo 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1404e705c121SKalle Valo 	u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
1405e705c121SKalle Valo 	int ret;
1406e705c121SKalle Valo 	struct iwl_d0i3_iter_data d0i3_iter_data = {
1407e705c121SKalle Valo 		.mvm = mvm,
1408e705c121SKalle Valo 	};
1409e705c121SKalle Valo 	struct iwl_wowlan_config_cmd wowlan_config_cmd = {
1410e705c121SKalle Valo 		.wakeup_filter = cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME |
1411e705c121SKalle Valo 					     IWL_WOWLAN_WAKEUP_BEACON_MISS |
14120db056d3SSara Sharon 					     IWL_WOWLAN_WAKEUP_LINK_CHANGE),
1413e705c121SKalle Valo 	};
1414e705c121SKalle Valo 	struct iwl_d3_manager_config d3_cfg_cmd = {
1415e705c121SKalle Valo 		.min_sleep_time = cpu_to_le32(1000),
1416e705c121SKalle Valo 		.wakeup_flags = cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR),
1417e705c121SKalle Valo 	};
1418e705c121SKalle Valo 
1419e705c121SKalle Valo 	IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n");
1420e705c121SKalle Valo 
1421702e975dSJohannes Berg 	if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR))
142208f0d23dSEliad Peller 		return -EINVAL;
142308f0d23dSEliad Peller 
1424e705c121SKalle Valo 	set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1425e705c121SKalle Valo 
1426e705c121SKalle Valo 	/*
1427e705c121SKalle Valo 	 * iwl_mvm_ref_sync takes a reference before checking the flag.
1428e705c121SKalle Valo 	 * so by checking there is no held reference we prevent a state
1429e705c121SKalle Valo 	 * in which iwl_mvm_ref_sync continues successfully while we
1430e705c121SKalle Valo 	 * configure the firmware to enter d0i3
1431e705c121SKalle Valo 	 */
1432e705c121SKalle Valo 	if (iwl_mvm_ref_taken(mvm)) {
1433e705c121SKalle Valo 		IWL_DEBUG_RPM(mvm->trans, "abort d0i3 due to taken ref\n");
1434e705c121SKalle Valo 		clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1435e705c121SKalle Valo 		wake_up(&mvm->d0i3_exit_waitq);
1436e705c121SKalle Valo 		return 1;
1437e705c121SKalle Valo 	}
1438e705c121SKalle Valo 
1439e705c121SKalle Valo 	ieee80211_iterate_active_interfaces_atomic(mvm->hw,
1440e705c121SKalle Valo 						   IEEE80211_IFACE_ITER_NORMAL,
1441e705c121SKalle Valo 						   iwl_mvm_enter_d0i3_iterator,
1442e705c121SKalle Valo 						   &d0i3_iter_data);
1443e705c121SKalle Valo 	if (d0i3_iter_data.vif_count == 1) {
1444e705c121SKalle Valo 		mvm->d0i3_ap_sta_id = d0i3_iter_data.ap_sta_id;
1445e705c121SKalle Valo 		mvm->d0i3_offloading = !d0i3_iter_data.disable_offloading;
1446e705c121SKalle Valo 	} else {
1447e705c121SKalle Valo 		WARN_ON_ONCE(d0i3_iter_data.vif_count > 1);
14480ae98812SSara Sharon 		mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA;
1449e705c121SKalle Valo 		mvm->d0i3_offloading = false;
1450e705c121SKalle Valo 	}
1451e705c121SKalle Valo 
14527d9d0d56SLuca Coelho 	iwl_mvm_pause_tcm(mvm, true);
1453e705c121SKalle Valo 	/* make sure we have no running tx while configuring the seqno */
1454e705c121SKalle Valo 	synchronize_net();
1455e705c121SKalle Valo 
1456eb3908d3SLuca Coelho 	/* Flush the hw queues, in case something got queued during entry */
1457d167e81aSMordechai Goodstein 	/* TODO new tx api */
1458d167e81aSMordechai Goodstein 	if (iwl_mvm_has_new_tx_api(mvm)) {
1459d167e81aSMordechai Goodstein 		WARN_ONCE(1, "d0i3: Need to implement flush TX queue\n");
1460d167e81aSMordechai Goodstein 	} else {
1461d167e81aSMordechai Goodstein 		ret = iwl_mvm_flush_tx_path(mvm, iwl_mvm_flushable_queues(mvm),
1462d167e81aSMordechai Goodstein 					    flags);
1463eb3908d3SLuca Coelho 		if (ret)
1464eb3908d3SLuca Coelho 			return ret;
1465d167e81aSMordechai Goodstein 	}
1466eb3908d3SLuca Coelho 
1467e705c121SKalle Valo 	/* configure wowlan configuration only if needed */
14680ae98812SSara Sharon 	if (mvm->d0i3_ap_sta_id != IWL_MVM_INVALID_STA) {
14690db056d3SSara Sharon 		/* wake on beacons only if beacon storing isn't supported */
14700db056d3SSara Sharon 		if (!fw_has_capa(&mvm->fw->ucode_capa,
14710db056d3SSara Sharon 				 IWL_UCODE_TLV_CAPA_BEACON_STORING))
14720db056d3SSara Sharon 			wowlan_config_cmd.wakeup_filter |=
14730db056d3SSara Sharon 				cpu_to_le32(IWL_WOWLAN_WAKEUP_BCN_FILTERING);
14740db056d3SSara Sharon 
1475a3f7ba5cSEliad Peller 		iwl_mvm_wowlan_config_key_params(mvm,
1476a3f7ba5cSEliad Peller 						 d0i3_iter_data.connected_vif,
1477a3f7ba5cSEliad Peller 						 true, flags);
1478a3f7ba5cSEliad Peller 
1479e705c121SKalle Valo 		iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd,
1480e705c121SKalle Valo 					&d0i3_iter_data);
1481e705c121SKalle Valo 
1482e705c121SKalle Valo 		ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags,
1483e705c121SKalle Valo 					   sizeof(wowlan_config_cmd),
1484e705c121SKalle Valo 					   &wowlan_config_cmd);
1485e705c121SKalle Valo 		if (ret)
1486e705c121SKalle Valo 			return ret;
1487e705c121SKalle Valo 	}
1488e705c121SKalle Valo 
1489e705c121SKalle Valo 	return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD,
1490e705c121SKalle Valo 				    flags | CMD_MAKE_TRANS_IDLE,
1491e705c121SKalle Valo 				    sizeof(d3_cfg_cmd), &d3_cfg_cmd);
1492e705c121SKalle Valo }
1493e705c121SKalle Valo 
1494e705c121SKalle Valo static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac,
1495e705c121SKalle Valo 				       struct ieee80211_vif *vif)
1496e705c121SKalle Valo {
1497e705c121SKalle Valo 	struct iwl_mvm *mvm = _data;
1498e705c121SKalle Valo 	u32 flags = CMD_ASYNC | CMD_HIGH_PRIO;
1499e705c121SKalle Valo 
1500e705c121SKalle Valo 	IWL_DEBUG_RPM(mvm, "exiting D0i3 - vif %pM\n", vif->addr);
1501e705c121SKalle Valo 	if (vif->type != NL80211_IFTYPE_STATION ||
1502e705c121SKalle Valo 	    !vif->bss_conf.assoc)
1503e705c121SKalle Valo 		return;
1504e705c121SKalle Valo 
1505e705c121SKalle Valo 	iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags);
1506e705c121SKalle Valo }
1507e705c121SKalle Valo 
1508a3f7ba5cSEliad Peller struct iwl_mvm_d0i3_exit_work_iter_data {
1509e705c121SKalle Valo 	struct iwl_mvm *mvm;
1510a3f7ba5cSEliad Peller 	struct iwl_wowlan_status *status;
1511e705c121SKalle Valo 	u32 wakeup_reasons;
1512e705c121SKalle Valo };
1513e705c121SKalle Valo 
1514a3f7ba5cSEliad Peller static void iwl_mvm_d0i3_exit_work_iter(void *_data, u8 *mac,
1515e705c121SKalle Valo 					struct ieee80211_vif *vif)
1516e705c121SKalle Valo {
1517a3f7ba5cSEliad Peller 	struct iwl_mvm_d0i3_exit_work_iter_data *data = _data;
1518e705c121SKalle Valo 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1519a3f7ba5cSEliad Peller 	u32 reasons = data->wakeup_reasons;
1520e705c121SKalle Valo 
1521a3f7ba5cSEliad Peller 	/* consider only the relevant station interface */
1522a3f7ba5cSEliad Peller 	if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc ||
1523a3f7ba5cSEliad Peller 	    data->mvm->d0i3_ap_sta_id != mvmvif->ap_sta_id)
1524a3f7ba5cSEliad Peller 		return;
1525a3f7ba5cSEliad Peller 
1526a3f7ba5cSEliad Peller 	if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH)
1527e705c121SKalle Valo 		iwl_mvm_connection_loss(data->mvm, vif, "D0i3");
1528a3f7ba5cSEliad Peller 	else if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON)
1529e705c121SKalle Valo 		ieee80211_beacon_loss(vif);
1530a3f7ba5cSEliad Peller 	else
1531a3f7ba5cSEliad Peller 		iwl_mvm_d0i3_update_keys(data->mvm, vif, data->status);
1532e705c121SKalle Valo }
1533e705c121SKalle Valo 
1534e705c121SKalle Valo void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq)
1535e705c121SKalle Valo {
1536e705c121SKalle Valo 	struct ieee80211_sta *sta = NULL;
1537e705c121SKalle Valo 	struct iwl_mvm_sta *mvm_ap_sta;
1538e705c121SKalle Valo 	int i;
1539e705c121SKalle Valo 	bool wake_queues = false;
1540e705c121SKalle Valo 
1541e705c121SKalle Valo 	lockdep_assert_held(&mvm->mutex);
1542e705c121SKalle Valo 
1543e705c121SKalle Valo 	spin_lock_bh(&mvm->d0i3_tx_lock);
1544e705c121SKalle Valo 
15450ae98812SSara Sharon 	if (mvm->d0i3_ap_sta_id == IWL_MVM_INVALID_STA)
1546e705c121SKalle Valo 		goto out;
1547e705c121SKalle Valo 
1548e705c121SKalle Valo 	IWL_DEBUG_RPM(mvm, "re-enqueue packets\n");
1549e705c121SKalle Valo 
1550e705c121SKalle Valo 	/* get the sta in order to update seq numbers and re-enqueue skbs */
1551e705c121SKalle Valo 	sta = rcu_dereference_protected(
1552e705c121SKalle Valo 			mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id],
1553e705c121SKalle Valo 			lockdep_is_held(&mvm->mutex));
1554e705c121SKalle Valo 
1555e705c121SKalle Valo 	if (IS_ERR_OR_NULL(sta)) {
1556e705c121SKalle Valo 		sta = NULL;
1557e705c121SKalle Valo 		goto out;
1558e705c121SKalle Valo 	}
1559e705c121SKalle Valo 
1560e705c121SKalle Valo 	if (mvm->d0i3_offloading && qos_seq) {
1561e705c121SKalle Valo 		/* update qos seq numbers if offloading was enabled */
1562e705c121SKalle Valo 		mvm_ap_sta = iwl_mvm_sta_from_mac80211(sta);
1563e705c121SKalle Valo 		for (i = 0; i < IWL_MAX_TID_COUNT; i++) {
1564e705c121SKalle Valo 			u16 seq = le16_to_cpu(qos_seq[i]);
1565e705c121SKalle Valo 			/* firmware stores last-used one, we store next one */
1566e705c121SKalle Valo 			seq += 0x10;
1567e705c121SKalle Valo 			mvm_ap_sta->tid_data[i].seq_number = seq;
1568e705c121SKalle Valo 		}
1569e705c121SKalle Valo 	}
1570e705c121SKalle Valo out:
1571e705c121SKalle Valo 	/* re-enqueue (or drop) all packets */
1572e705c121SKalle Valo 	while (!skb_queue_empty(&mvm->d0i3_tx)) {
1573e705c121SKalle Valo 		struct sk_buff *skb = __skb_dequeue(&mvm->d0i3_tx);
1574e705c121SKalle Valo 
1575e705c121SKalle Valo 		if (!sta || iwl_mvm_tx_skb(mvm, skb, sta))
1576e705c121SKalle Valo 			ieee80211_free_txskb(mvm->hw, skb);
1577e705c121SKalle Valo 
1578e705c121SKalle Valo 		/* if the skb_queue is not empty, we need to wake queues */
1579e705c121SKalle Valo 		wake_queues = true;
1580e705c121SKalle Valo 	}
1581e705c121SKalle Valo 	clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1582e705c121SKalle Valo 	wake_up(&mvm->d0i3_exit_waitq);
15830ae98812SSara Sharon 	mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA;
1584e705c121SKalle Valo 	if (wake_queues)
1585e705c121SKalle Valo 		ieee80211_wake_queues(mvm->hw);
1586e705c121SKalle Valo 
1587e705c121SKalle Valo 	spin_unlock_bh(&mvm->d0i3_tx_lock);
1588e705c121SKalle Valo }
1589e705c121SKalle Valo 
1590e705c121SKalle Valo static void iwl_mvm_d0i3_exit_work(struct work_struct *wk)
1591e705c121SKalle Valo {
1592e705c121SKalle Valo 	struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, d0i3_exit_work);
1593e705c121SKalle Valo 	struct iwl_host_cmd get_status_cmd = {
1594e705c121SKalle Valo 		.id = WOWLAN_GET_STATUSES,
1595e705c121SKalle Valo 		.flags = CMD_HIGH_PRIO | CMD_WANT_SKB,
1596e705c121SKalle Valo 	};
1597a3f7ba5cSEliad Peller 	struct iwl_mvm_d0i3_exit_work_iter_data iter_data = {
1598a3f7ba5cSEliad Peller 		.mvm = mvm,
1599a3f7ba5cSEliad Peller 	};
1600a3f7ba5cSEliad Peller 
1601e705c121SKalle Valo 	struct iwl_wowlan_status *status;
1602e705c121SKalle Valo 	int ret;
1603a3f7ba5cSEliad Peller 	u32 wakeup_reasons = 0;
1604e705c121SKalle Valo 	__le16 *qos_seq = NULL;
1605e705c121SKalle Valo 
1606e705c121SKalle Valo 	mutex_lock(&mvm->mutex);
1607e705c121SKalle Valo 	ret = iwl_mvm_send_cmd(mvm, &get_status_cmd);
1608e705c121SKalle Valo 	if (ret)
1609e705c121SKalle Valo 		goto out;
1610e705c121SKalle Valo 
1611e705c121SKalle Valo 	status = (void *)get_status_cmd.resp_pkt->data;
1612e705c121SKalle Valo 	wakeup_reasons = le32_to_cpu(status->wakeup_reasons);
1613e705c121SKalle Valo 	qos_seq = status->qos_seq_ctr;
1614e705c121SKalle Valo 
1615e705c121SKalle Valo 	IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons);
1616e705c121SKalle Valo 
1617a3f7ba5cSEliad Peller 	iter_data.wakeup_reasons = wakeup_reasons;
1618a3f7ba5cSEliad Peller 	iter_data.status = status;
1619a3f7ba5cSEliad Peller 	ieee80211_iterate_active_interfaces(mvm->hw,
1620a3f7ba5cSEliad Peller 					    IEEE80211_IFACE_ITER_NORMAL,
1621a3f7ba5cSEliad Peller 					    iwl_mvm_d0i3_exit_work_iter,
1622a3f7ba5cSEliad Peller 					    &iter_data);
1623e705c121SKalle Valo out:
1624e705c121SKalle Valo 	iwl_mvm_d0i3_enable_tx(mvm, qos_seq);
1625e705c121SKalle Valo 
1626e705c121SKalle Valo 	IWL_DEBUG_INFO(mvm, "d0i3 exit completed (wakeup reasons: 0x%x)\n",
1627e705c121SKalle Valo 		       wakeup_reasons);
1628e705c121SKalle Valo 
1629e705c121SKalle Valo 	/* qos_seq might point inside resp_pkt, so free it only now */
1630e705c121SKalle Valo 	if (get_status_cmd.resp_pkt)
1631e705c121SKalle Valo 		iwl_free_resp(&get_status_cmd);
1632e705c121SKalle Valo 
1633e705c121SKalle Valo 	/* the FW might have updated the regdomain */
1634e705c121SKalle Valo 	iwl_mvm_update_changed_regdom(mvm);
1635e705c121SKalle Valo 
16367d9d0d56SLuca Coelho 	iwl_mvm_resume_tcm(mvm);
1637e705c121SKalle Valo 	iwl_mvm_unref(mvm, IWL_MVM_REF_EXIT_WORK);
1638e705c121SKalle Valo 	mutex_unlock(&mvm->mutex);
1639e705c121SKalle Valo }
1640e705c121SKalle Valo 
1641e705c121SKalle Valo int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm)
1642e705c121SKalle Valo {
1643e705c121SKalle Valo 	u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE |
1644e705c121SKalle Valo 		    CMD_WAKE_UP_TRANS;
1645e705c121SKalle Valo 	int ret;
1646e705c121SKalle Valo 
1647e705c121SKalle Valo 	IWL_DEBUG_RPM(mvm, "MVM exiting D0i3\n");
1648e705c121SKalle Valo 
1649702e975dSJohannes Berg 	if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR))
165008f0d23dSEliad Peller 		return -EINVAL;
165108f0d23dSEliad Peller 
1652e705c121SKalle Valo 	mutex_lock(&mvm->d0i3_suspend_mutex);
1653e705c121SKalle Valo 	if (test_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags)) {
1654e705c121SKalle Valo 		IWL_DEBUG_RPM(mvm, "Deferring d0i3 exit until resume\n");
1655e705c121SKalle Valo 		__set_bit(D0I3_PENDING_WAKEUP, &mvm->d0i3_suspend_flags);
1656e705c121SKalle Valo 		mutex_unlock(&mvm->d0i3_suspend_mutex);
1657e705c121SKalle Valo 		return 0;
1658e705c121SKalle Valo 	}
1659e705c121SKalle Valo 	mutex_unlock(&mvm->d0i3_suspend_mutex);
1660e705c121SKalle Valo 
1661e705c121SKalle Valo 	ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL);
1662e705c121SKalle Valo 	if (ret)
1663e705c121SKalle Valo 		goto out;
1664e705c121SKalle Valo 
1665e705c121SKalle Valo 	ieee80211_iterate_active_interfaces_atomic(mvm->hw,
1666e705c121SKalle Valo 						   IEEE80211_IFACE_ITER_NORMAL,
1667e705c121SKalle Valo 						   iwl_mvm_exit_d0i3_iterator,
1668e705c121SKalle Valo 						   mvm);
1669e705c121SKalle Valo out:
1670e705c121SKalle Valo 	schedule_work(&mvm->d0i3_exit_work);
1671e705c121SKalle Valo 	return ret;
1672e705c121SKalle Valo }
1673e705c121SKalle Valo 
1674e705c121SKalle Valo int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode)
1675e705c121SKalle Valo {
1676e705c121SKalle Valo 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1677e705c121SKalle Valo 
1678e705c121SKalle Valo 	iwl_mvm_ref(mvm, IWL_MVM_REF_EXIT_WORK);
1679e705c121SKalle Valo 	return _iwl_mvm_exit_d0i3(mvm);
1680e705c121SKalle Valo }
1681e705c121SKalle Valo 
1682e705c121SKalle Valo #define IWL_MVM_COMMON_OPS					\
1683e705c121SKalle Valo 	/* these could be differentiated */			\
1684156f92f2SEmmanuel Grumbach 	.async_cb = iwl_mvm_async_cb,				\
1685e705c121SKalle Valo 	.queue_full = iwl_mvm_stop_sw_queue,			\
1686e705c121SKalle Valo 	.queue_not_full = iwl_mvm_wake_sw_queue,		\
1687e705c121SKalle Valo 	.hw_rf_kill = iwl_mvm_set_hw_rfkill_state,		\
1688e705c121SKalle Valo 	.free_skb = iwl_mvm_free_skb,				\
1689e705c121SKalle Valo 	.nic_error = iwl_mvm_nic_error,				\
1690e705c121SKalle Valo 	.cmd_queue_full = iwl_mvm_cmd_queue_full,		\
1691e705c121SKalle Valo 	.nic_config = iwl_mvm_nic_config,			\
1692e705c121SKalle Valo 	.enter_d0i3 = iwl_mvm_enter_d0i3,			\
1693e705c121SKalle Valo 	.exit_d0i3 = iwl_mvm_exit_d0i3,				\
1694e705c121SKalle Valo 	/* as we only register one, these MUST be common! */	\
1695e705c121SKalle Valo 	.start = iwl_op_mode_mvm_start,				\
1696e705c121SKalle Valo 	.stop = iwl_op_mode_mvm_stop
1697e705c121SKalle Valo 
1698e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops = {
1699e705c121SKalle Valo 	IWL_MVM_COMMON_OPS,
1700e705c121SKalle Valo 	.rx = iwl_mvm_rx,
1701e705c121SKalle Valo };
1702e705c121SKalle Valo 
1703e705c121SKalle Valo static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
1704e705c121SKalle Valo 			      struct napi_struct *napi,
1705e705c121SKalle Valo 			      struct iwl_rx_cmd_buffer *rxb,
1706e705c121SKalle Valo 			      unsigned int queue)
1707e705c121SKalle Valo {
1708e705c121SKalle Valo 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1709585a6fccSSara Sharon 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
171061b0f5d7SJohannes Berg 	u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1711e705c121SKalle Valo 
171261b0f5d7SJohannes Berg 	if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
1713a338384bSSara Sharon 		iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
171461b0f5d7SJohannes Berg 	else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
171561b0f5d7SJohannes Berg 					 RX_QUEUES_NOTIFICATION)))
171694bb4481SSara Sharon 		iwl_mvm_rx_queue_notif(mvm, rxb, queue);
171761b0f5d7SJohannes Berg 	else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1718780e87c2SJohannes Berg 		iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
1719e705c121SKalle Valo }
1720e705c121SKalle Valo 
1721e705c121SKalle Valo static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
1722e705c121SKalle Valo 	IWL_MVM_COMMON_OPS,
1723e705c121SKalle Valo 	.rx = iwl_mvm_rx_mq,
1724e705c121SKalle Valo 	.rx_rss = iwl_mvm_rx_mq_rss,
1725e705c121SKalle Valo };
1726