blob: f5b117d8c35422900de142c52adbb129c86ca4e5 [file] [log] [blame]
Johannes Berg8ca151b2013-01-24 14:25:36 +01001/******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
Emmanuel Grumbach51368bf2013-12-30 13:15:54 +02008 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
Eran Harary4fb06282015-04-19 10:05:18 +03009 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
Liad Kaufmande8ba412017-03-16 13:00:59 +020010 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
Shaul Triebitz8745f122018-01-11 16:18:46 +020011 * Copyright(c) 2018 Intel Corporation
Johannes Berg8ca151b2013-01-24 14:25:36 +010012 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of version 2 of the GNU General Public License as
15 * published by the Free Software Foundation.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25 * USA
26 *
27 * The full GNU General Public License is included in this distribution
Emmanuel Grumbach410dc5a2013-02-18 09:22:28 +020028 * in the file called COPYING.
Johannes Berg8ca151b2013-01-24 14:25:36 +010029 *
30 * Contact Information:
Emmanuel Grumbachcb2f8272015-11-17 15:39:56 +020031 * Intel Linux Wireless <linuxwifi@intel.com>
Johannes Berg8ca151b2013-01-24 14:25:36 +010032 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 *
34 * BSD LICENSE
35 *
Emmanuel Grumbach51368bf2013-12-30 13:15:54 +020036 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
Eran Harary4fb06282015-04-19 10:05:18 +030037 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
Liad Kaufmande8ba412017-03-16 13:00:59 +020038 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
Shaul Triebitz8745f122018-01-11 16:18:46 +020039 * Copyright(c) 2018 Intel Corporation
Johannes Berg8ca151b2013-01-24 14:25:36 +010040 * All rights reserved.
41 *
42 * Redistribution and use in source and binary forms, with or without
43 * modification, are permitted provided that the following conditions
44 * are met:
45 *
46 * * Redistributions of source code must retain the above copyright
47 * notice, this list of conditions and the following disclaimer.
48 * * Redistributions in binary form must reproduce the above copyright
49 * notice, this list of conditions and the following disclaimer in
50 * the documentation and/or other materials provided with the
51 * distribution.
52 * * Neither the name Intel Corporation nor the names of its
53 * contributors may be used to endorse or promote products derived
54 * from this software without specific prior written permission.
55 *
56 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
57 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
58 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
59 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
60 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
61 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
62 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
63 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
64 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
65 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
66 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
67 *
68 *****************************************************************************/
69#include <linux/module.h>
Emmanuel Grumbach1bd3cbc2014-03-18 21:15:06 +020070#include <linux/vmalloc.h>
Johannes Berg8ca151b2013-01-24 14:25:36 +010071#include <net/mac80211.h>
72
Johannes Berg9fca9d52017-06-01 10:32:17 +020073#include "fw/notif-wait.h"
Johannes Berg8ca151b2013-01-24 14:25:36 +010074#include "iwl-trans.h"
75#include "iwl-op-mode.h"
Johannes Bergd962f9b2017-06-01 10:22:09 +020076#include "fw/img.h"
Johannes Berg8ca151b2013-01-24 14:25:36 +010077#include "iwl-debug.h"
78#include "iwl-drv.h"
79#include "iwl-modparams.h"
80#include "mvm.h"
81#include "iwl-phy-db.h"
82#include "iwl-eeprom-parse.h"
83#include "iwl-csr.h"
84#include "iwl-io.h"
85#include "iwl-prph.h"
86#include "rs.h"
Johannes Bergd172a5e2017-06-02 15:15:53 +020087#include "fw/api/scan.h"
Johannes Berg8ca151b2013-01-24 14:25:36 +010088#include "time-event.h"
Sharon Dvir39bdb172015-10-15 18:18:09 +030089#include "fw-api.h"
Johannes Bergd172a5e2017-06-02 15:15:53 +020090#include "fw/api/scan.h"
Luca Coelhof2abcfa2017-09-28 15:29:27 +030091#include "fw/acpi.h"
Johannes Berg8ca151b2013-01-24 14:25:36 +010092
Johannes Berg8ca151b2013-01-24 14:25:36 +010093#define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
Johannes Berg8ca151b2013-01-24 14:25:36 +010094MODULE_DESCRIPTION(DRV_DESCRIPTION);
Johannes Berg8ca151b2013-01-24 14:25:36 +010095MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
96MODULE_LICENSE("GPL");
97
98static const struct iwl_op_mode_ops iwl_mvm_ops;
Johannes Berg0316d302015-05-22 13:41:07 +020099static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100100
101struct iwl_mvm_mod_params iwlmvm_mod_params = {
102 .power_scheme = IWL_POWER_SCHEME_BPS,
Emmanuel Grumbachce71c2f2015-01-11 17:19:39 +0200103 .tfd_q_hang_detect = true
Johannes Berg8ca151b2013-01-24 14:25:36 +0100104 /* rest of fields are 0 by default */
105};
106
Joe Perches2ef00c52018-03-23 15:54:37 -0700107module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100108MODULE_PARM_DESC(init_dbg,
109 "set to true to debug an ASSERT in INIT fw (default: false");
Joe Perches2ef00c52018-03-23 15:54:37 -0700110module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100111MODULE_PARM_DESC(power_scheme,
112 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
Emmanuel Grumbachce71c2f2015-01-11 17:19:39 +0200113module_param_named(tfd_q_hang_detect, iwlmvm_mod_params.tfd_q_hang_detect,
Joe Perches2ef00c52018-03-23 15:54:37 -0700114 bool, 0444);
Emmanuel Grumbachce71c2f2015-01-11 17:19:39 +0200115MODULE_PARM_DESC(tfd_q_hang_detect,
116 "TFD queues hang detection (default: true");
Johannes Berg8ca151b2013-01-24 14:25:36 +0100117
118/*
119 * module init and exit functions
120 */
121static int __init iwl_mvm_init(void)
122{
123 int ret;
124
125 ret = iwl_mvm_rate_control_register();
126 if (ret) {
127 pr_err("Unable to register rate control algorithm: %d\n", ret);
128 return ret;
129 }
130
131 ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
Gregory Greenman9f66a392017-11-05 18:49:48 +0200132 if (ret)
Johannes Berg8ca151b2013-01-24 14:25:36 +0100133 pr_err("Unable to register MVM op_mode: %d\n", ret);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100134
135 return ret;
136}
137module_init(iwl_mvm_init);
138
139static void __exit iwl_mvm_exit(void)
140{
141 iwl_opmode_deregister("iwlmvm");
142 iwl_mvm_rate_control_unregister();
143}
144module_exit(iwl_mvm_exit);
145
146static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
147{
148 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
149 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
150 u32 reg_val = 0;
Moshe Harela0544272014-12-08 21:13:14 +0200151 u32 phy_config = iwl_mvm_get_phy_config(mvm);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100152
Moshe Harela0544272014-12-08 21:13:14 +0200153 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >>
154 FW_PHY_CFG_RADIO_TYPE_POS;
155 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >>
156 FW_PHY_CFG_RADIO_STEP_POS;
157 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >>
158 FW_PHY_CFG_RADIO_DASH_POS;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100159
160 /* SKU control */
161 reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) <<
162 CSR_HW_IF_CONFIG_REG_POS_MAC_STEP;
163 reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) <<
164 CSR_HW_IF_CONFIG_REG_POS_MAC_DASH;
165
166 /* radio configuration */
167 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
168 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
169 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
170
171 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
172 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
173
Liad Kaufman9b1fcc12014-05-08 16:30:24 +0300174 /*
Sara Sharon6e584872017-03-22 14:07:50 +0200175 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC
176 * sampling, and shouldn't be set to any non-zero value.
177 * The same is supposed to be true of the other HW, but unsetting
178 * them (such as the 7260) causes automatic tests to fail on seemingly
179 * unrelated errors. Need to further investigate this, but for now
180 * we'll separate cases.
Liad Kaufman9b1fcc12014-05-08 16:30:24 +0300181 */
Sara Sharon6e584872017-03-22 14:07:50 +0200182 if (mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_8000)
Liad Kaufman9b1fcc12014-05-08 16:30:24 +0300183 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100184
Lilach Edelsteine139dc42013-01-13 13:31:10 +0200185 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
186 CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH |
187 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP |
188 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE |
189 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
190 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
191 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
192 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI,
193 reg_val);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100194
195 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
196 radio_cfg_step, radio_cfg_dash);
197
198 /*
199 * W/A : NIC is stuck in a reset state after Early PCIe power off
200 * (PCIe power is lost before PERST# is asserted), causing ME FW
201 * to lose ownership and not being able to obtain it back.
202 */
Avri Altman95411d02015-05-11 11:04:34 +0300203 if (!mvm->trans->cfg->apmg_not_supported)
Eran Harary3073d8c2013-12-29 14:09:59 +0200204 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
205 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
206 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100207}
208
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200209/**
210 * enum iwl_rx_handler_context context for Rx handler
211 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
212 * which can't acquire mvm->mutex.
213 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
214 * (and only in this case!), it should be set as ASYNC. In that case,
215 * it will be called from a worker with mvm->mutex held.
216 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
217 * mutex itself, it will be called from a worker without mvm->mutex held.
218 */
219enum iwl_rx_handler_context {
220 RX_HANDLER_SYNC,
221 RX_HANDLER_ASYNC_LOCKED,
222 RX_HANDLER_ASYNC_UNLOCKED,
223};
224
225/**
226 * struct iwl_rx_handlers handler for FW notification
227 * @cmd_id: command id
228 * @context: see &iwl_rx_handler_context
229 * @fn: the function is called when notification is received
230 */
Johannes Berg8ca151b2013-01-24 14:25:36 +0100231struct iwl_rx_handlers {
Avraham Stern1230b162015-07-09 17:17:03 +0300232 u16 cmd_id;
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200233 enum iwl_rx_handler_context context;
Johannes Berg04168412015-06-23 21:22:09 +0200234 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100235};
236
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200237#define RX_HANDLER(_cmd_id, _fn, _context) \
238 { .cmd_id = _cmd_id, .fn = _fn, .context = _context }
239#define RX_HANDLER_GRP(_grp, _cmd, _fn, _context) \
240 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context }
Johannes Berg8ca151b2013-01-24 14:25:36 +0100241
242/*
243 * Handlers for fw notifications
244 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
245 * This list should be in order of frequency for performance purposes.
246 *
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200247 * The handler can be one from three contexts, see &iwl_rx_handler_context
Johannes Berg8ca151b2013-01-24 14:25:36 +0100248 */
249static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200250 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC),
251 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC),
Johannes Berg8ca151b2013-01-24 14:25:36 +0100252
Gregory Greenman84226ca2017-11-02 04:07:52 +0200253 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
254 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC),
255
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200256 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif,
257 RX_HANDLER_ASYNC_LOCKED),
258 RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
259 RX_HANDLER_ASYNC_LOCKED),
260 RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics,
261 RX_HANDLER_ASYNC_LOCKED),
Emmanuel Grumbachf421f9c2013-01-17 14:20:29 +0200262
Sara Sharon3af512d62015-07-22 11:38:40 +0300263 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200264 iwl_mvm_window_status_notif, RX_HANDLER_SYNC),
Sara Sharon3af512d62015-07-22 11:38:40 +0300265
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200266 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
267 RX_HANDLER_SYNC),
268 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
269 RX_HANDLER_ASYNC_LOCKED),
Emmanuel Grumbach497b49d2013-06-02 20:54:48 +0300270
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200271 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC),
Johannes Berg3e56ead2013-02-15 22:23:18 +0100272
Alexander Bondare5d74642014-12-09 19:15:49 +0200273 RX_HANDLER(SCAN_ITERATION_COMPLETE,
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200274 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC),
David Spinadel35a000b2013-08-28 09:29:43 +0300275 RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200276 iwl_mvm_rx_lmac_scan_complete_notif,
277 RX_HANDLER_ASYNC_LOCKED),
Luciano Coelho6e56f012015-05-06 16:03:39 +0300278 RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found,
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200279 RX_HANDLER_SYNC),
David Spinadeld2496222014-05-20 12:46:37 +0300280 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200281 RX_HANDLER_ASYNC_LOCKED),
Avraham Sternee9219b2015-03-23 15:09:27 +0200282 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200283 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC),
Emmanuel Grumbach497b49d2013-06-02 20:54:48 +0300284
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200285 RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif,
286 RX_HANDLER_SYNC),
Johannes Berg8ca151b2013-01-24 14:25:36 +0100287
Hila Gonend64048e2013-03-13 18:00:03 +0200288 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200289 RX_HANDLER_SYNC),
Hila Gonend64048e2013-03-13 18:00:03 +0200290
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200291 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC),
Alexander Bondar175a70b2013-04-14 20:59:37 +0300292 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200293 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC),
294 RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
295 RX_HANDLER_ASYNC_LOCKED),
Aviya Erenfeld09eef332015-09-01 19:34:38 +0300296 RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
Chaya Rachel Ivgiec77a332016-03-13 11:39:53 +0200297 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED),
Chaya Rachel Ivgi0a3b7112015-12-16 16:34:55 +0200298 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200299 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC),
Luciano Coelhoea9af242014-11-06 10:34:49 +0200300
Arik Nemtsov1d3c3f62014-10-23 18:03:10 +0300301 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200302 RX_HANDLER_ASYNC_LOCKED),
303 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
304 RX_HANDLER_SYNC),
305 RX_HANDLER(TOF_NOTIFICATION, iwl_mvm_tof_resp_handler,
306 RX_HANDLER_ASYNC_LOCKED),
Golan Ben-Amibdccdb82016-11-15 14:45:29 +0200307 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
308 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC),
Sara Sharon0db056d2015-12-29 11:07:15 +0200309 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200310 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC),
Sara Sharonf92659a2016-02-03 15:04:49 +0200311 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200312 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC),
Johannes Berg65e25482016-04-13 14:24:22 +0200313 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
314 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC),
Johannes Berg8ca151b2013-01-24 14:25:36 +0100315};
316#undef RX_HANDLER
Avraham Stern1230b162015-07-09 17:17:03 +0300317#undef RX_HANDLER_GRP
Johannes Berg8ca151b2013-01-24 14:25:36 +0100318
Sharon Dvir39bdb172015-10-15 18:18:09 +0300319/* Please keep this array *SORTED* by hex value.
320 * Access is done through binary search
321 */
322static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
323 HCMD_NAME(MVM_ALIVE),
324 HCMD_NAME(REPLY_ERROR),
325 HCMD_NAME(ECHO_CMD),
326 HCMD_NAME(INIT_COMPLETE_NOTIF),
327 HCMD_NAME(PHY_CONTEXT_CMD),
328 HCMD_NAME(DBG_CFG),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300329 HCMD_NAME(SCAN_CFG_CMD),
330 HCMD_NAME(SCAN_REQ_UMAC),
331 HCMD_NAME(SCAN_ABORT_UMAC),
332 HCMD_NAME(SCAN_COMPLETE_UMAC),
333 HCMD_NAME(TOF_CMD),
334 HCMD_NAME(TOF_NOTIFICATION),
Sara Sharon3af512d62015-07-22 11:38:40 +0300335 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300336 HCMD_NAME(ADD_STA_KEY),
337 HCMD_NAME(ADD_STA),
338 HCMD_NAME(REMOVE_STA),
339 HCMD_NAME(FW_GET_ITEM_CMD),
340 HCMD_NAME(TX_CMD),
341 HCMD_NAME(SCD_QUEUE_CFG),
342 HCMD_NAME(TXPATH_FLUSH),
343 HCMD_NAME(MGMT_MCAST_KEY),
344 HCMD_NAME(WEP_KEY),
345 HCMD_NAME(SHARED_MEM_CFG),
346 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
347 HCMD_NAME(MAC_CONTEXT_CMD),
348 HCMD_NAME(TIME_EVENT_CMD),
349 HCMD_NAME(TIME_EVENT_NOTIFICATION),
350 HCMD_NAME(BINDING_CONTEXT_CMD),
351 HCMD_NAME(TIME_QUOTA_CMD),
352 HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
Johannes Berg7089ae62017-06-28 16:19:49 +0200353 HCMD_NAME(LEDS_CMD),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300354 HCMD_NAME(LQ_CMD),
355 HCMD_NAME(FW_PAGING_BLOCK_CMD),
356 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
357 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
358 HCMD_NAME(HOT_SPOT_CMD),
359 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300360 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
361 HCMD_NAME(BT_COEX_CI),
362 HCMD_NAME(PHY_CONFIGURATION_CMD),
363 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
Sara Sharon176aa602016-08-31 19:03:01 +0300364 HCMD_NAME(PHY_DB_CMD),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300365 HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
366 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300367 HCMD_NAME(POWER_TABLE_CMD),
368 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
369 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
370 HCMD_NAME(DC2DC_CONFIG_CMD),
371 HCMD_NAME(NVM_ACCESS_CMD),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300372 HCMD_NAME(BEACON_NOTIFICATION),
373 HCMD_NAME(BEACON_TEMPLATE_CMD),
374 HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
375 HCMD_NAME(BT_CONFIG),
376 HCMD_NAME(STATISTICS_CMD),
377 HCMD_NAME(STATISTICS_NOTIFICATION),
378 HCMD_NAME(EOSP_NOTIFICATION),
379 HCMD_NAME(REDUCE_TX_POWER_CMD),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300380 HCMD_NAME(CARD_STATE_NOTIFICATION),
381 HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
382 HCMD_NAME(TDLS_CONFIG_CMD),
383 HCMD_NAME(MAC_PM_POWER_TABLE),
384 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
385 HCMD_NAME(MFUART_LOAD_NOTIFICATION),
Sara Sharon43413a92015-12-31 11:49:18 +0200386 HCMD_NAME(RSS_CONFIG_CMD),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300387 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
388 HCMD_NAME(REPLY_RX_PHY_CMD),
389 HCMD_NAME(REPLY_RX_MPDU_CMD),
Emmanuel Grumbach3e73aa32017-07-27 09:40:16 +0300390 HCMD_NAME(FRAME_RELEASE),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300391 HCMD_NAME(BA_NOTIF),
392 HCMD_NAME(MCC_UPDATE_CMD),
393 HCMD_NAME(MCC_CHUB_UPDATE_CMD),
394 HCMD_NAME(MARKER_CMD),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300395 HCMD_NAME(BT_PROFILE_NOTIFICATION),
396 HCMD_NAME(BCAST_FILTER_CMD),
397 HCMD_NAME(MCAST_FILTER_CMD),
398 HCMD_NAME(REPLY_SF_CFG_CMD),
399 HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
400 HCMD_NAME(D3_CONFIG_CMD),
401 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
402 HCMD_NAME(OFFLOADS_QUERY_CMD),
403 HCMD_NAME(REMOTE_WAKE_CONFIG_CMD),
404 HCMD_NAME(MATCH_FOUND_NOTIFICATION),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300405 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
406 HCMD_NAME(WOWLAN_PATTERNS),
407 HCMD_NAME(WOWLAN_CONFIGURATION),
408 HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
409 HCMD_NAME(WOWLAN_TKIP_PARAM),
410 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
411 HCMD_NAME(WOWLAN_GET_STATUSES),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300412 HCMD_NAME(SCAN_ITERATION_COMPLETE),
413 HCMD_NAME(D0I3_END_CMD),
414 HCMD_NAME(LTR_CONFIG),
Johannes Berg8ca151b2013-01-24 14:25:36 +0100415};
Sharon Dvir39bdb172015-10-15 18:18:09 +0300416
417/* Please keep this array *SORTED* by hex value.
418 * Access is done through binary search
419 */
Golan Ben-Ami5b086412016-02-09 12:57:16 +0200420static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
421 HCMD_NAME(SHARED_MEM_CFG_CMD),
Sara Sharon4399caa2016-12-11 10:32:42 +0200422 HCMD_NAME(INIT_EXTENDED_CFG_CMD),
Golan Ben-Ami5b086412016-02-09 12:57:16 +0200423};
424
425/* Please keep this array *SORTED* by hex value.
426 * Access is done through binary search
427 */
Aviya Erenfeld03098262016-02-18 14:09:33 +0200428static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
Andrei Otcheretianskid3a108a2016-02-28 17:12:21 +0200429 HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF),
Aviya Erenfeld03098262016-02-18 14:09:33 +0200430};
431
432/* Please keep this array *SORTED* by hex value.
433 * Access is done through binary search
434 */
Sharon Dvir39bdb172015-10-15 18:18:09 +0300435static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
436 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
Chaya Rachel Ivgi5c89e7b2016-01-05 10:34:47 +0200437 HCMD_NAME(CTDP_CONFIG_CMD),
Chaya Rachel Ivgic221daf2015-12-29 09:54:49 +0200438 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
Haim Dreyfussa6bff3c2017-01-19 12:00:46 +0200439 HCMD_NAME(GEO_TX_POWER_LIMIT),
Chaya Rachel Ivgi0a3b7112015-12-16 16:34:55 +0200440 HCMD_NAME(CT_KILL_NOTIFICATION),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300441 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
442};
443
Sara Sharon0db056d2015-12-29 11:07:15 +0200444/* Please keep this array *SORTED* by hex value.
445 * Access is done through binary search
446 */
Sara Sharone0d8fde2015-12-28 22:37:08 +0200447static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
Emmanuel Grumbachddef2f92016-12-19 08:41:16 +0200448 HCMD_NAME(DQA_ENABLE_CMD),
Sara Sharone0d8fde2015-12-28 22:37:08 +0200449 HCMD_NAME(UPDATE_MU_GROUPS_CMD),
Sara Sharon94bb4482015-12-16 18:48:28 +0200450 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
Luca Coelho514c30692018-06-24 11:59:54 +0300451 HCMD_NAME(STA_HE_CTXT_CMD),
Johannes Berg65e25482016-04-13 14:24:22 +0200452 HCMD_NAME(STA_PM_NOTIF),
Sara Sharonf92659a2016-02-03 15:04:49 +0200453 HCMD_NAME(MU_GROUP_MGMT_NOTIF),
Sara Sharon94bb4482015-12-16 18:48:28 +0200454 HCMD_NAME(RX_QUEUES_NOTIFICATION),
Sara Sharone0d8fde2015-12-28 22:37:08 +0200455};
456
457/* Please keep this array *SORTED* by hex value.
458 * Access is done through binary search
459 */
Golan Ben-Amibdccdb82016-11-15 14:45:29 +0200460static const struct iwl_hcmd_names iwl_mvm_debug_names[] = {
461 HCMD_NAME(MFU_ASSERT_DUMP_NTF),
462};
463
464/* Please keep this array *SORTED* by hex value.
465 * Access is done through binary search
466 */
Sara Sharon0db056d2015-12-29 11:07:15 +0200467static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
468 HCMD_NAME(STORED_BEACON_NTF),
469};
470
Sara Sharon1f370652016-08-31 18:13:57 +0300471/* Please keep this array *SORTED* by hex value.
472 * Access is done through binary search
473 */
474static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
475 HCMD_NAME(NVM_ACCESS_COMPLETE),
Sara Sharone9e1ba32017-01-08 16:46:14 +0200476 HCMD_NAME(NVM_GET_INFO),
Sara Sharon1f370652016-08-31 18:13:57 +0300477};
478
Sharon Dvir39bdb172015-10-15 18:18:09 +0300479static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
480 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
481 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
Golan Ben-Ami5b086412016-02-09 12:57:16 +0200482 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
Aviya Erenfeld03098262016-02-18 14:09:33 +0200483 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300484 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
Sara Sharone0d8fde2015-12-28 22:37:08 +0200485 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
Sara Sharon0db056d2015-12-29 11:07:15 +0200486 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
Sara Sharon1f370652016-08-31 18:13:57 +0300487 [REGULATORY_AND_NVM_GROUP] =
488 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
Sharon Dvir39bdb172015-10-15 18:18:09 +0300489};
490
Johannes Berg8ca151b2013-01-24 14:25:36 +0100491/* this forward declaration can avoid to export the function */
492static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
Eliad Peller37577fe2013-12-05 17:19:39 +0200493static void iwl_mvm_d0i3_exit_work(struct work_struct *wk);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100494
Luca Coelhof2abcfa2017-09-28 15:29:27 +0300495static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
Ido Yariv0c0e2c72014-01-16 21:12:02 -0500496{
Luca Coelhof2abcfa2017-09-28 15:29:27 +0300497 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
498 u64 dflt_pwr_limit;
Ido Yariv0c0e2c72014-01-16 21:12:02 -0500499
Luca Coelhof2abcfa2017-09-28 15:29:27 +0300500 if (!backoff)
Ido Yariv0c0e2c72014-01-16 21:12:02 -0500501 return 0;
502
Luca Coelhof2abcfa2017-09-28 15:29:27 +0300503 dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev);
Ido Yariv0c0e2c72014-01-16 21:12:02 -0500504
Luca Coelhof2abcfa2017-09-28 15:29:27 +0300505 while (backoff->pwr) {
506 if (dflt_pwr_limit >= backoff->pwr)
507 return backoff->backoff;
508
509 backoff++;
Ido Yariv0c0e2c72014-01-16 21:12:02 -0500510 }
511
512 return 0;
513}
514
Andrei Otcheretianskid3a108a2016-02-28 17:12:21 +0200515static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
516{
517 struct iwl_mvm *mvm =
518 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
519 struct ieee80211_vif *tx_blocked_vif;
520 struct iwl_mvm_vif *mvmvif;
521
522 mutex_lock(&mvm->mutex);
523
524 tx_blocked_vif =
525 rcu_dereference_protected(mvm->csa_tx_blocked_vif,
526 lockdep_is_held(&mvm->mutex));
527
528 if (!tx_blocked_vif)
529 goto unlock;
530
531 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
532 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
533 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
534unlock:
535 mutex_unlock(&mvm->mutex);
536}
537
Johannes Berg7174beb2017-06-01 16:03:19 +0200538static int iwl_mvm_fwrt_dump_start(void *ctx)
539{
540 struct iwl_mvm *mvm = ctx;
541 int ret;
542
543 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_FW_DBG_COLLECT);
544 if (ret)
545 return ret;
546
547 mutex_lock(&mvm->mutex);
548
549 return 0;
550}
551
552static void iwl_mvm_fwrt_dump_end(void *ctx)
553{
554 struct iwl_mvm *mvm = ctx;
555
556 mutex_unlock(&mvm->mutex);
557
558 iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT);
559}
560
Shaul Triebitz8745f122018-01-11 16:18:46 +0200561static bool iwl_mvm_fwrt_fw_running(void *ctx)
562{
563 return iwl_mvm_firmware_running(ctx);
564}
565
Johannes Berg7174beb2017-06-01 16:03:19 +0200566static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
567 .dump_start = iwl_mvm_fwrt_dump_start,
568 .dump_end = iwl_mvm_fwrt_dump_end,
Shaul Triebitz8745f122018-01-11 16:18:46 +0200569 .fw_running = iwl_mvm_fwrt_fw_running,
Johannes Berg7174beb2017-06-01 16:03:19 +0200570};
571
Johannes Berg8ca151b2013-01-24 14:25:36 +0100572static struct iwl_op_mode *
573iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
574 const struct iwl_fw *fw, struct dentry *dbgfs_dir)
575{
576 struct ieee80211_hw *hw;
577 struct iwl_op_mode *op_mode;
578 struct iwl_mvm *mvm;
579 struct iwl_trans_config trans_cfg = {};
580 static const u8 no_reclaim_cmds[] = {
581 TX_CMD,
582 };
583 int err, scan_size;
Ido Yariv0c0e2c72014-01-16 21:12:02 -0500584 u32 min_backoff;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100585
Emmanuel Grumbachc4d83272014-01-14 08:45:26 +0200586 /*
587 * We use IWL_MVM_STATION_COUNT to check the validity of the station
588 * index all over the driver - check that its value corresponds to the
589 * array size.
590 */
591 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT);
592
Johannes Berg8ca151b2013-01-24 14:25:36 +0100593 /********************************
594 * 1. Allocating and configuring HW data
595 ********************************/
596 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
597 sizeof(struct iwl_mvm),
598 &iwl_mvm_hw_ops);
599 if (!hw)
600 return NULL;
601
Oren Givon745160e2014-06-16 10:54:52 +0300602 if (cfg->max_rx_agg_size)
603 hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size;
604
Gregory Greenman77d96732014-09-02 16:04:58 +0200605 if (cfg->max_tx_agg_size)
606 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
607
Johannes Berg8ca151b2013-01-24 14:25:36 +0100608 op_mode = hw->priv;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100609
610 mvm = IWL_OP_MODE_GET_MVM(op_mode);
611 mvm->dev = trans->dev;
612 mvm->trans = trans;
613 mvm->cfg = cfg;
614 mvm->fw = fw;
615 mvm->hw = hw;
616
Mordechay Goodstein93b167c2017-09-26 11:31:55 +0000617 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
618 dbgfs_dir);
Johannes Berg235acb12017-06-01 12:10:32 +0200619
Liad Kaufmande8ba412017-03-16 13:00:59 +0200620 mvm->init_status = 0;
621
Johannes Berg0316d302015-05-22 13:41:07 +0200622 if (iwl_mvm_has_new_rx_api(mvm)) {
623 op_mode->ops = &iwl_mvm_ops_mq;
Golan Ben Ami18ead592018-02-05 12:54:36 +0200624 trans->rx_mpdu_cmd_hdr_size =
625 (trans->cfg->device_family >=
626 IWL_DEVICE_FAMILY_22560) ?
627 sizeof(struct iwl_rx_mpdu_desc) :
628 IWL_RX_DESC_SIZE_V1;
Johannes Berg0316d302015-05-22 13:41:07 +0200629 } else {
630 op_mode->ops = &iwl_mvm_ops;
Sara Sharon25c2b222016-02-07 13:09:59 +0200631 trans->rx_mpdu_cmd_hdr_size =
632 sizeof(struct iwl_rx_mpdu_res_start);
Johannes Berg0316d302015-05-22 13:41:07 +0200633
634 if (WARN_ON(trans->num_rx_queues > 1))
635 goto out_free;
636 }
637
Johannes Berg3b37f4c2017-05-30 16:45:31 +0200638 mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;
Eran Harary291aa7c2013-07-03 11:00:06 +0300639
Johannes Bergc8f54702017-06-19 23:50:31 +0200640 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
Emmanuel Grumbachb13f43a2017-11-19 10:35:14 +0200641 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
Johannes Bergc8f54702017-06-19 23:50:31 +0200642 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
643 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
Liad Kaufman28d07932015-09-01 16:36:25 +0300644
Lilach Edelstein1f3b0ff2013-10-06 13:03:32 +0200645 mvm->sf_state = SF_UNINIT;
Johannes Berg7d6222e22017-06-08 09:18:22 +0200646 if (iwl_mvm_has_unified_ucode(mvm))
Johannes Berg702e9752017-06-02 11:56:58 +0200647 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
Sara Sharon1f370652016-08-31 18:13:57 +0300648 else
Johannes Berg702e9752017-06-02 11:56:58 +0200649 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
Andrei Otcheretianskic89e3332016-01-26 18:12:28 +0200650 mvm->drop_bcn_ap_mode = true;
Eytan Lifshitz19e737c2013-09-09 13:30:15 +0200651
Johannes Berg8ca151b2013-01-24 14:25:36 +0100652 mutex_init(&mvm->mutex);
Eliad Pellerd15a7472014-03-27 18:53:12 +0200653 mutex_init(&mvm->d0i3_suspend_mutex);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100654 spin_lock_init(&mvm->async_handlers_lock);
655 INIT_LIST_HEAD(&mvm->time_event_list);
Ariej Marjiehb1128892014-07-16 21:11:12 +0300656 INIT_LIST_HEAD(&mvm->aux_roc_te_list);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100657 INIT_LIST_HEAD(&mvm->async_handlers_list);
658 spin_lock_init(&mvm->time_event_lock);
Liad Kaufman4ecafae2015-07-14 13:36:18 +0300659 spin_lock_init(&mvm->queue_info_lock);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100660
661 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
662 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
Eliad Peller37577fe2013-12-05 17:19:39 +0200663 INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work);
Arik Nemtsov1d3c3f62014-10-23 18:03:10 +0300664 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
Luca Coelho69e04642016-05-03 12:18:33 +0300665 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
Liad Kaufman24afba72015-07-28 18:56:08 +0300666 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100667
Arik Nemtsovb2492502014-03-13 12:21:50 +0200668 spin_lock_init(&mvm->d0i3_tx_lock);
Eliad Peller576eeee2014-07-01 18:38:38 +0300669 spin_lock_init(&mvm->refs_lock);
Arik Nemtsovb2492502014-03-13 12:21:50 +0200670 skb_queue_head_init(&mvm->d0i3_tx);
671 init_waitqueue_head(&mvm->d0i3_exit_waitq);
Sara Sharon3a732c62016-10-09 17:34:24 +0300672 init_waitqueue_head(&mvm->rx_sync_waitq);
Arik Nemtsovb2492502014-03-13 12:21:50 +0200673
Sara Sharon0636b932016-02-18 14:21:12 +0200674 atomic_set(&mvm->queue_sync_counter, 0);
675
Johannes Berg8ca151b2013-01-24 14:25:36 +0100676 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
677
Luca Coelho7d9d0d52018-04-12 16:15:07 +0300678 spin_lock_init(&mvm->tcm.lock);
679 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
680 mvm->tcm.ts = jiffies;
681 mvm->tcm.ll_ts = jiffies;
682 mvm->tcm.uapsd_nonagg_ts = jiffies;
683
Andrei Otcheretianskid3a108a2016-02-28 17:12:21 +0200684 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
685
Johannes Berg8ca151b2013-01-24 14:25:36 +0100686 /*
687 * Populate the state variables that the transport layer needs
688 * to know about.
689 */
690 trans_cfg.op_mode = op_mode;
691 trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
692 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
Emmanuel Grumbach6c4fbcb2015-11-10 11:57:41 +0200693 switch (iwlwifi_mod_params.amsdu_size) {
Emmanuel Grumbach4bdd4df2016-04-07 16:44:42 +0300694 case IWL_AMSDU_DEF:
Emmanuel Grumbach6c4fbcb2015-11-10 11:57:41 +0200695 case IWL_AMSDU_4K:
696 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
697 break;
698 case IWL_AMSDU_8K:
699 trans_cfg.rx_buf_size = IWL_AMSDU_8K;
700 break;
701 case IWL_AMSDU_12K:
702 trans_cfg.rx_buf_size = IWL_AMSDU_12K;
703 break;
704 default:
705 pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME,
706 iwlwifi_mod_params.amsdu_size);
707 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
708 }
Emmanuel Grumbach4bdd4df2016-04-07 16:44:42 +0300709
710 /* the hardware splits the A-MSDU */
Golan Ben Ami18ead592018-02-05 12:54:36 +0200711 if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560)
Golan Ben Ami1a4968d2018-02-04 17:41:51 +0200712 trans_cfg.rx_buf_size = IWL_AMSDU_2K;
713 else if (mvm->cfg->mq_rx_supported)
Emmanuel Grumbach4bdd4df2016-04-07 16:44:42 +0300714 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100715
Luca Coelho4b87e5a2016-09-12 16:03:30 +0300716 trans->wide_cmd_header = true;
Golan Ben Ami2a182fb2018-01-02 12:08:31 +0200717 trans_cfg.bc_table_dword =
718 mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_22560;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100719
Sharon Dvir39bdb172015-10-15 18:18:09 +0300720 trans_cfg.command_groups = iwl_mvm_groups;
721 trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100722
Johannes Bergc8f54702017-06-19 23:50:31 +0200723 trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
Johannes Bergb2d81db2014-08-01 20:48:25 +0200724 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
Emmanuel Grumbach3a736bc2014-09-10 11:16:41 +0300725 trans_cfg.scd_set_active = true;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100726
Johannes Berg21cb3222016-06-21 13:11:48 +0200727 trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info,
728 driver_data[2]);
729
Emmanuel Grumbach41837ca92015-10-21 09:00:07 +0300730 trans_cfg.sw_csum_tx = IWL_MVM_SW_TX_CSUM_OFFLOAD;
Liad Kaufmanb4821762014-10-19 16:58:15 +0200731
Emmanuel Grumbach4cf677f2015-01-12 14:38:29 +0200732 /* Set a short watchdog for the command queue */
733 trans_cfg.cmd_q_wdg_timeout =
Emmanuel Grumbach5d42e7b2015-03-19 20:04:51 +0200734 iwl_mvm_get_wd_timeout(mvm, NULL, false, true);
Emmanuel Grumbach4cf677f2015-01-12 14:38:29 +0200735
Johannes Berg8ca151b2013-01-24 14:25:36 +0100736 snprintf(mvm->hw->wiphy->fw_version,
737 sizeof(mvm->hw->wiphy->fw_version),
738 "%s", fw->fw_version);
739
740 /* Configure transport layer */
741 iwl_trans_configure(mvm->trans, &trans_cfg);
742
743 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
Liad Kaufman09e350f2014-11-17 11:41:07 +0200744 trans->dbg_dest_tlv = mvm->fw->dbg_dest_tlv;
745 trans->dbg_dest_reg_num = mvm->fw->dbg_dest_reg_num;
746 memcpy(trans->dbg_conf_tlv, mvm->fw->dbg_conf_tlv,
747 sizeof(trans->dbg_conf_tlv));
Emmanuel Grumbachd2709ad2015-01-29 14:58:06 +0200748 trans->dbg_trigger_tlv = mvm->fw->dbg_trigger_tlv;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100749
Golan Ben-Ami132db312017-07-17 19:42:35 +0300750 trans->iml = mvm->fw->iml;
751 trans->iml_len = mvm->fw->iml_len;
752
Johannes Berg8ca151b2013-01-24 14:25:36 +0100753 /* set up notification wait support */
754 iwl_notification_wait_init(&mvm->notif_wait);
755
756 /* Init phy db */
757 mvm->phy_db = iwl_phy_db_init(trans);
758 if (!mvm->phy_db) {
759 IWL_ERR(mvm, "Cannot init phy_db\n");
760 goto out_free;
761 }
762
763 IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
764 mvm->cfg->name, mvm->trans->hw_rev);
765
Eran Harary4fb06282015-04-19 10:05:18 +0300766 if (iwlwifi_mod_params.nvm_file)
Eran Hararye02a9d62014-05-07 12:27:10 +0300767 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
Eran Harary4fb06282015-04-19 10:05:18 +0300768 else
769 IWL_DEBUG_EEPROM(mvm->trans->dev,
770 "working without external nvm file\n");
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300771
Sara Sharon56f29292016-08-31 12:37:55 +0300772 err = iwl_trans_start_hw(mvm->trans);
773 if (err)
Eran Harary14b485f2014-04-23 10:46:09 +0300774 goto out_free;
775
Sara Sharon56f29292016-08-31 12:37:55 +0300776 mutex_lock(&mvm->mutex);
777 iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE);
Johannes Berg8c5f47b2017-02-20 17:47:04 +0100778 err = iwl_run_init_mvm_ucode(mvm, true);
Liad Kaufmanf4744252017-11-23 10:29:04 +0200779 if (!iwlmvm_mod_params.init_dbg || !err)
Sara Sharon56f29292016-08-31 12:37:55 +0300780 iwl_mvm_stop_device(mvm);
781 iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE);
782 mutex_unlock(&mvm->mutex);
Liad Kaufmande8ba412017-03-16 13:00:59 +0200783 if (err < 0) {
Sara Sharon56f29292016-08-31 12:37:55 +0300784 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err);
785 goto out_free;
Eytan Lifshitz81a67e32013-09-11 12:39:18 +0200786 }
Johannes Berg8ca151b2013-01-24 14:25:36 +0100787
David Spinadeld2496222014-05-20 12:46:37 +0300788 scan_size = iwl_mvm_scan_size(mvm);
David Spinadelfb98be52014-05-04 12:51:10 +0300789
Johannes Berg8ca151b2013-01-24 14:25:36 +0100790 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
791 if (!mvm->scan_cmd)
792 goto out_free;
793
Haim Dreyfuss5a4b2af2015-01-13 11:54:51 +0200794 /* Set EBS as successful as long as not stated otherwise by the FW. */
795 mvm->last_ebs_successful = true;
796
Johannes Berg8ca151b2013-01-24 14:25:36 +0100797 err = iwl_mvm_mac_setup_register(mvm);
798 if (err)
799 goto out_free;
Sara Sharon1f370652016-08-31 18:13:57 +0300800 mvm->hw_registered = true;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100801
Luca Coelhof2abcfa2017-09-28 15:29:27 +0300802 min_backoff = iwl_mvm_min_backoff(mvm);
Chaya Rachel Ivgi04ddc2a2016-03-03 13:31:39 +0200803 iwl_mvm_thermal_initialize(mvm, min_backoff);
804
Johannes Berg8ca151b2013-01-24 14:25:36 +0100805 err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir);
806 if (err)
807 goto out_unregister;
808
Liad Kaufman678d9b62017-05-18 18:00:49 +0300809 if (!iwl_mvm_has_new_rx_stats_api(mvm))
810 memset(&mvm->rx_stats_v3, 0,
811 sizeof(struct mvm_statistics_rx_v3));
812 else
813 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
Matti Gottlieb3848ab62013-07-30 15:29:37 +0300814
Luca Coelho33c85ea2016-02-22 15:44:13 +0200815 /* The transport always starts with a taken reference, we can
816 * release it now if d0i3 is supported */
817 if (iwl_mvm_is_d0i3_supported(mvm))
818 iwl_trans_unref(mvm->trans);
Eliad Peller7498cf42014-01-16 17:10:44 +0200819
Gregory Greenmance792912015-06-02 18:06:16 +0300820 iwl_mvm_tof_init(mvm);
821
Johannes Berg8ca151b2013-01-24 14:25:36 +0100822 return op_mode;
823
824 out_unregister:
Liad Kaufmande8ba412017-03-16 13:00:59 +0200825 if (iwlmvm_mod_params.init_dbg)
826 return op_mode;
827
Johannes Berg8ca151b2013-01-24 14:25:36 +0100828 ieee80211_unregister_hw(mvm->hw);
Sara Sharon1f370652016-08-31 18:13:57 +0300829 mvm->hw_registered = false;
Eliad Peller91b0d112014-01-05 12:41:12 +0200830 iwl_mvm_leds_exit(mvm);
Chaya Rachel Ivgic221daf2015-12-29 09:54:49 +0200831 iwl_mvm_thermal_exit(mvm);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100832 out_free:
Johannes Berg7174beb2017-06-01 16:03:19 +0200833 iwl_fw_flush_dump(&mvm->fwrt);
Liad Kaufmande8ba412017-03-16 13:00:59 +0200834
835 if (iwlmvm_mod_params.init_dbg)
836 return op_mode;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100837 iwl_phy_db_free(mvm->phy_db);
838 kfree(mvm->scan_cmd);
Sara Sharon56f29292016-08-31 12:37:55 +0300839 iwl_trans_op_mode_leave(trans);
840
Johannes Berg8ca151b2013-01-24 14:25:36 +0100841 ieee80211_free_hw(mvm->hw);
842 return NULL;
843}
844
845static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
846{
847 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
848 int i;
849
Luca Coelhoe27deb42016-03-01 10:30:48 +0200850 /* If d0i3 is supported, we have released the reference that
851 * the transport started with, so we should take it back now
852 * that we are leaving.
853 */
854 if (iwl_mvm_is_d0i3_supported(mvm))
855 iwl_trans_ref(mvm->trans);
856
Johannes Berg8ca151b2013-01-24 14:25:36 +0100857 iwl_mvm_leds_exit(mvm);
858
Chaya Rachel Ivgic221daf2015-12-29 09:54:49 +0200859 iwl_mvm_thermal_exit(mvm);
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300860
Liad Kaufmande8ba412017-03-16 13:00:59 +0200861 if (mvm->init_status & IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE) {
862 ieee80211_unregister_hw(mvm->hw);
863 mvm->init_status &= ~IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE;
864 }
Johannes Berg8ca151b2013-01-24 14:25:36 +0100865
866 kfree(mvm->scan_cmd);
Eliad Pellere59647e2013-11-28 14:08:50 +0200867 kfree(mvm->mcast_filter_cmd);
868 mvm->mcast_filter_cmd = NULL;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100869
Johannes Bergafc66bb2013-05-03 11:44:16 +0200870#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS)
871 kfree(mvm->d3_resume_sram);
872#endif
Arik Nemtsova4082842013-11-24 19:10:46 +0200873 iwl_trans_op_mode_leave(mvm->trans);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100874
875 iwl_phy_db_free(mvm->phy_db);
876 mvm->phy_db = NULL;
877
Luca Coelho1dad3e02017-05-03 15:09:52 +0300878 kfree(mvm->nvm_data);
Eran Hararyae2b21b2014-01-09 08:08:24 +0200879 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
Johannes Berg8ca151b2013-01-24 14:25:36 +0100880 kfree(mvm->nvm_sections[i].data);
881
Luca Coelho7d9d0d52018-04-12 16:15:07 +0300882 cancel_delayed_work_sync(&mvm->tcm.work);
883
Gregory Greenmance792912015-06-02 18:06:16 +0300884 iwl_mvm_tof_clean(mvm);
885
Emmanuel Grumbacha2a57a32016-03-15 15:36:36 +0200886 mutex_destroy(&mvm->mutex);
887 mutex_destroy(&mvm->d0i3_suspend_mutex);
888
Johannes Berg8ca151b2013-01-24 14:25:36 +0100889 ieee80211_free_hw(mvm->hw);
890}
891
892struct iwl_async_handler_entry {
893 struct list_head list;
894 struct iwl_rx_cmd_buffer rxb;
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200895 enum iwl_rx_handler_context context;
Johannes Berg04168412015-06-23 21:22:09 +0200896 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100897};
898
899void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
900{
901 struct iwl_async_handler_entry *entry, *tmp;
902
903 spin_lock_bh(&mvm->async_handlers_lock);
904 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
905 iwl_free_rxb(&entry->rxb);
906 list_del(&entry->list);
907 kfree(entry);
908 }
909 spin_unlock_bh(&mvm->async_handlers_lock);
910}
911
912static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
913{
914 struct iwl_mvm *mvm =
915 container_of(wk, struct iwl_mvm, async_handlers_wk);
916 struct iwl_async_handler_entry *entry, *tmp;
Johannes Berg80982032016-08-31 22:16:11 +0200917 LIST_HEAD(local_list);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100918
919 /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
Johannes Berg8ca151b2013-01-24 14:25:36 +0100920
921 /*
922 * Sync with Rx path with a lock. Remove all the entries from this list,
923 * add them to a local one (lock free), and then handle them.
924 */
925 spin_lock_bh(&mvm->async_handlers_lock);
926 list_splice_init(&mvm->async_handlers_list, &local_list);
927 spin_unlock_bh(&mvm->async_handlers_lock);
928
929 list_for_each_entry_safe(entry, tmp, &local_list, list) {
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200930 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
931 mutex_lock(&mvm->mutex);
Johannes Berg04168412015-06-23 21:22:09 +0200932 entry->fn(mvm, &entry->rxb);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100933 iwl_free_rxb(&entry->rxb);
934 list_del(&entry->list);
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200935 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
936 mutex_unlock(&mvm->mutex);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100937 kfree(entry);
938 }
Johannes Berg8ca151b2013-01-24 14:25:36 +0100939}
940
Emmanuel Grumbach917f39b2015-02-10 10:49:20 +0200941static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
942 struct iwl_rx_packet *pkt)
943{
944 struct iwl_fw_dbg_trigger_tlv *trig;
945 struct iwl_fw_dbg_trigger_cmd *cmds_trig;
Emmanuel Grumbach917f39b2015-02-10 10:49:20 +0200946 int i;
947
948 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF))
949 return;
950
951 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF);
952 cmds_trig = (void *)trig->data;
953
Johannes Berg7174beb2017-06-01 16:03:19 +0200954 if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, NULL, trig))
Emmanuel Grumbach917f39b2015-02-10 10:49:20 +0200955 return;
956
957 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
958 /* don't collect on CMD 0 */
959 if (!cmds_trig->cmds[i].cmd_id)
960 break;
961
Sara Sharon0ab66e62015-07-13 14:23:59 +0300962 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
963 cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
Emmanuel Grumbach917f39b2015-02-10 10:49:20 +0200964 continue;
965
Johannes Berg7174beb2017-06-01 16:03:19 +0200966 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
967 "CMD 0x%02x.%02x received",
968 pkt->hdr.group_id, pkt->hdr.cmd);
Emmanuel Grumbach917f39b2015-02-10 10:49:20 +0200969 break;
970 }
971}
972
Johannes Berg0316d302015-05-22 13:41:07 +0200973static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
974 struct iwl_rx_cmd_buffer *rxb,
975 struct iwl_rx_packet *pkt)
Johannes Berg8ca151b2013-01-24 14:25:36 +0100976{
Johannes Berg0316d302015-05-22 13:41:07 +0200977 int i;
Johannes Berg1738d602015-05-22 12:09:44 +0200978
Emmanuel Grumbach917f39b2015-02-10 10:49:20 +0200979 iwl_mvm_rx_check_trigger(mvm, pkt);
980
Johannes Berg8ca151b2013-01-24 14:25:36 +0100981 /*
982 * Do the notification wait before RX handlers so
983 * even if the RX handler consumes the RXB we have
984 * access to it in the notification wait entry.
985 */
986 iwl_notification_wait_notify(&mvm->notif_wait, pkt);
987
988 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
989 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
Emmanuel Grumbach36eed562013-02-10 13:25:25 +0200990 struct iwl_async_handler_entry *entry;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100991
Avraham Stern1230b162015-07-09 17:17:03 +0300992 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
Emmanuel Grumbach36eed562013-02-10 13:25:25 +0200993 continue;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100994
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +0200995 if (rx_h->context == RX_HANDLER_SYNC) {
Johannes Berg04168412015-06-23 21:22:09 +0200996 rx_h->fn(mvm, rxb);
Johannes Bergf7e64692015-06-23 21:58:17 +0200997 return;
Johannes Berg04168412015-06-23 21:22:09 +0200998 }
Emmanuel Grumbach36eed562013-02-10 13:25:25 +0200999
1000 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
1001 /* we can't do much... */
1002 if (!entry)
Johannes Bergf7e64692015-06-23 21:58:17 +02001003 return;
Emmanuel Grumbach36eed562013-02-10 13:25:25 +02001004
1005 entry->rxb._page = rxb_steal_page(rxb);
1006 entry->rxb._offset = rxb->_offset;
1007 entry->rxb._rx_page_order = rxb->_rx_page_order;
1008 entry->fn = rx_h->fn;
Chaya Rachel Ivgic9cb14a2016-03-03 15:35:34 +02001009 entry->context = rx_h->context;
Emmanuel Grumbach36eed562013-02-10 13:25:25 +02001010 spin_lock(&mvm->async_handlers_lock);
1011 list_add_tail(&entry->list, &mvm->async_handlers_list);
1012 spin_unlock(&mvm->async_handlers_lock);
1013 schedule_work(&mvm->async_handlers_wk);
Mordechai Goodsteinf2e66c82017-06-13 17:17:27 +03001014 return;
Johannes Berg8ca151b2013-01-24 14:25:36 +01001015 }
Mordechai Goodsteinf2e66c82017-06-13 17:17:27 +03001016
1017 iwl_fwrt_handle_notification(&mvm->fwrt, rxb);
Johannes Berg8ca151b2013-01-24 14:25:36 +01001018}
1019
Johannes Berg0316d302015-05-22 13:41:07 +02001020static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
1021 struct napi_struct *napi,
1022 struct iwl_rx_cmd_buffer *rxb)
1023{
1024 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1025 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
Johannes Berg61b0f5d2016-08-04 08:57:59 +02001026 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
Johannes Berg0316d302015-05-22 13:41:07 +02001027
Johannes Berg61b0f5d2016-08-04 08:57:59 +02001028 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
Johannes Berg0316d302015-05-22 13:41:07 +02001029 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
Johannes Berg61b0f5d2016-08-04 08:57:59 +02001030 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
Johannes Berg0316d302015-05-22 13:41:07 +02001031 iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
1032 else
1033 iwl_mvm_rx_common(mvm, rxb, pkt);
1034}
1035
1036static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
1037 struct napi_struct *napi,
1038 struct iwl_rx_cmd_buffer *rxb)
1039{
1040 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1041 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
Johannes Berg61b0f5d2016-08-04 08:57:59 +02001042 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
Johannes Berg0316d302015-05-22 13:41:07 +02001043
Johannes Berg61b0f5d2016-08-04 08:57:59 +02001044 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
Johannes Berg780e87c2015-09-03 14:56:10 +02001045 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
Johannes Berg61b0f5d2016-08-04 08:57:59 +02001046 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1047 RX_QUEUES_NOTIFICATION)))
Sara Sharon94bb4482015-12-16 18:48:28 +02001048 iwl_mvm_rx_queue_notif(mvm, rxb, 0);
Johannes Berg61b0f5d2016-08-04 08:57:59 +02001049 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
Johannes Berg58035432016-04-27 13:33:26 +02001050 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
Johannes Berg0316d302015-05-22 13:41:07 +02001051 else
1052 iwl_mvm_rx_common(mvm, rxb, pkt);
1053}
1054
Liad Kaufmanb4f7a9d2016-02-03 11:05:41 +02001055void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq)
Johannes Berg8ca151b2013-01-24 14:25:36 +01001056{
Liad Kaufman4ecafae2015-07-14 13:36:18 +03001057 int q;
Johannes Berg8ca151b2013-01-24 14:25:36 +01001058
Liad Kaufman4ecafae2015-07-14 13:36:18 +03001059 if (WARN_ON_ONCE(!mq))
Johannes Berg8ca151b2013-01-24 14:25:36 +01001060 return;
1061
Liad Kaufman4ecafae2015-07-14 13:36:18 +03001062 for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) {
1063 if (atomic_inc_return(&mvm->mac80211_queue_stop_count[q]) > 1) {
1064 IWL_DEBUG_TX_QUEUES(mvm,
Liad Kaufmanb4f7a9d2016-02-03 11:05:41 +02001065 "mac80211 %d already stopped\n", q);
Liad Kaufman4ecafae2015-07-14 13:36:18 +03001066 continue;
1067 }
1068
1069 ieee80211_stop_queue(mvm->hw, q);
Johannes Berg8ca151b2013-01-24 14:25:36 +01001070 }
Johannes Berg8ca151b2013-01-24 14:25:36 +01001071}
1072
Emmanuel Grumbach156f92f2015-11-24 14:55:18 +02001073static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode,
1074 const struct iwl_device_cmd *cmd)
1075{
1076 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1077
1078 /*
1079 * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA
1080 * commands that need to block the Tx queues.
1081 */
1082 iwl_trans_block_txq_ptrs(mvm->trans, false);
1083}
1084
Liad Kaufmanb4f7a9d2016-02-03 11:05:41 +02001085static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
Johannes Berg8ca151b2013-01-24 14:25:36 +01001086{
1087 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
Liad Kaufman4ecafae2015-07-14 13:36:18 +03001088 unsigned long mq;
Johannes Berg8ca151b2013-01-24 14:25:36 +01001089
Liad Kaufman4ecafae2015-07-14 13:36:18 +03001090 spin_lock_bh(&mvm->queue_info_lock);
Sara Sharon34e10862017-02-23 13:15:07 +02001091 mq = mvm->hw_queue_to_mac80211[hw_queue];
Liad Kaufman4ecafae2015-07-14 13:36:18 +03001092 spin_unlock_bh(&mvm->queue_info_lock);
1093
Liad Kaufmanb4f7a9d2016-02-03 11:05:41 +02001094 iwl_mvm_stop_mac_queues(mvm, mq);
1095}
1096
1097void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq)
1098{
1099 int q;
1100
Liad Kaufman4ecafae2015-07-14 13:36:18 +03001101 if (WARN_ON_ONCE(!mq))
Johannes Berg8ca151b2013-01-24 14:25:36 +01001102 return;
1103
Liad Kaufman4ecafae2015-07-14 13:36:18 +03001104 for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) {
1105 if (atomic_dec_return(&mvm->mac80211_queue_stop_count[q]) > 0) {
1106 IWL_DEBUG_TX_QUEUES(mvm,
Liad Kaufmanb4f7a9d2016-02-03 11:05:41 +02001107 "mac80211 %d still stopped\n", q);
Liad Kaufman4ecafae2015-07-14 13:36:18 +03001108 continue;
1109 }
1110
1111 ieee80211_wake_queue(mvm->hw, q);
Johannes Berg8ca151b2013-01-24 14:25:36 +01001112 }
Johannes Berg8ca151b2013-01-24 14:25:36 +01001113}
1114
Liad Kaufmanb4f7a9d2016-02-03 11:05:41 +02001115static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1116{
1117 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1118 unsigned long mq;
1119
1120 spin_lock_bh(&mvm->queue_info_lock);
Sara Sharon34e10862017-02-23 13:15:07 +02001121 mq = mvm->hw_queue_to_mac80211[hw_queue];
Liad Kaufmanb4f7a9d2016-02-03 11:05:41 +02001122 spin_unlock_bh(&mvm->queue_info_lock);
1123
1124 iwl_mvm_start_mac_queues(mvm, mq);
1125}
1126
Johannes Berg6ad04352017-04-25 10:21:18 +02001127static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
1128{
1129 bool state = iwl_mvm_is_radio_killed(mvm);
1130
1131 if (state)
1132 wake_up(&mvm->rx_sync_waitq);
1133
1134 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state);
1135}
1136
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +03001137void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
1138{
1139 if (state)
1140 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1141 else
1142 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1143
Johannes Berg6ad04352017-04-25 10:21:18 +02001144 iwl_mvm_set_rfkill_state(mvm);
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +03001145}
1146
Johannes Berg14cfca72014-02-25 20:50:53 +01001147static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
Johannes Berg8ca151b2013-01-24 14:25:36 +01001148{
1149 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
Mark Rutland6aa7de02017-10-23 14:07:29 -07001150 bool calibrating = READ_ONCE(mvm->calibrating);
Johannes Berg8ca151b2013-01-24 14:25:36 +01001151
1152 if (state)
1153 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1154 else
1155 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1156
Johannes Berg6ad04352017-04-25 10:21:18 +02001157 iwl_mvm_set_rfkill_state(mvm);
Johannes Berg14cfca72014-02-25 20:50:53 +01001158
Emmanuel Grumbach31b8b342014-11-02 15:48:09 +02001159 /* iwl_run_init_mvm_ucode is waiting for results, abort it */
1160 if (calibrating)
1161 iwl_abort_notification_waits(&mvm->notif_wait);
1162
1163 /*
1164 * Stop the device if we run OPERATIONAL firmware or if we are in the
1165 * middle of the calibrations.
1166 */
Johannes Berg702e9752017-06-02 11:56:58 +02001167 return state && (mvm->fwrt.cur_fw_img != IWL_UCODE_INIT || calibrating);
Johannes Berg8ca151b2013-01-24 14:25:36 +01001168}
1169
1170static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
1171{
1172 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1173 struct ieee80211_tx_info *info;
1174
1175 info = IEEE80211_SKB_CB(skb);
1176 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
1177 ieee80211_free_txskb(mvm->hw, skb);
1178}
1179
Johannes Bergac1ed412013-07-04 15:25:25 +02001180struct iwl_mvm_reprobe {
1181 struct device *dev;
1182 struct work_struct work;
1183};
1184
1185static void iwl_mvm_reprobe_wk(struct work_struct *wk)
1186{
1187 struct iwl_mvm_reprobe *reprobe;
1188
1189 reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
1190 if (device_reprobe(reprobe->dev))
1191 dev_err(reprobe->dev, "reprobe failed!\n");
1192 kfree(reprobe);
1193 module_put(THIS_MODULE);
1194}
1195
Luciano Coelhob08c1d92014-05-20 23:31:05 +03001196void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
Johannes Berg8ca151b2013-01-24 14:25:36 +01001197{
Johannes Berg8ca151b2013-01-24 14:25:36 +01001198 iwl_abort_notification_waits(&mvm->notif_wait);
1199
1200 /*
David Spinadel992f81f2014-01-09 14:22:55 +02001201 * This is a bit racy, but worst case we tell mac80211 about
1202 * a stopped/aborted scan when that was already done which
1203 * is not a problem. It is necessary to abort any os scan
1204 * here because mac80211 requires having the scan cleared
1205 * before restarting.
1206 * We'll reset the scan_status to NONE in restart cleanup in
1207 * the next start() call from mac80211. If restart isn't called
1208 * (no fw restart) scan status will stay busy.
1209 */
David Spinadel4ffb3652015-03-10 10:06:02 +02001210 iwl_mvm_report_scan_aborted(mvm);
David Spinadel992f81f2014-01-09 14:22:55 +02001211
1212 /*
Johannes Berg8ca151b2013-01-24 14:25:36 +01001213 * If we're restarting already, don't cycle restarts.
1214 * If INIT fw asserted, it will likely fail again.
1215 * If WoWLAN fw asserted, don't restart either, mac80211
1216 * can't recover this since we're already half suspended.
1217 */
Johannes Berg3b37f4c2017-05-30 16:45:31 +02001218 if (!mvm->fw_restart && fw_error) {
Johannes Berg7174beb2017-06-01 16:03:19 +02001219 iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert,
Johannes Bergbf8b2862017-06-30 10:48:28 +02001220 NULL);
1221 } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
Johannes Bergac1ed412013-07-04 15:25:25 +02001222 struct iwl_mvm_reprobe *reprobe;
1223
1224 IWL_ERR(mvm,
1225 "Firmware error during reconfiguration - reprobe!\n");
1226
1227 /*
1228 * get a module reference to avoid doing this while unloading
1229 * anyway and to avoid scheduling a work with code that's
1230 * being removed.
1231 */
1232 if (!try_module_get(THIS_MODULE)) {
1233 IWL_ERR(mvm, "Module is being unloaded - abort\n");
1234 return;
1235 }
1236
1237 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
1238 if (!reprobe) {
1239 module_put(THIS_MODULE);
1240 return;
1241 }
1242 reprobe->dev = mvm->trans->dev;
1243 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
1244 schedule_work(&reprobe->work);
Johannes Berg702e9752017-06-02 11:56:58 +02001245 } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR &&
Sara Sharon1f370652016-08-31 18:13:57 +03001246 mvm->hw_registered) {
Eliad Peller7498cf42014-01-16 17:10:44 +02001247 /* don't let the transport/FW power down */
1248 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
1249
Johannes Berg3b37f4c2017-05-30 16:45:31 +02001250 if (fw_error && mvm->fw_restart > 0)
1251 mvm->fw_restart--;
Johannes Bergbf8b2862017-06-30 10:48:28 +02001252 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
Johannes Berg8ca151b2013-01-24 14:25:36 +01001253 ieee80211_restart_hw(mvm->hw);
1254 }
1255}
1256
Emmanuel Grumbach715c9982013-02-28 08:57:31 +02001257static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)
1258{
1259 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1260
1261 iwl_mvm_dump_nic_error_log(mvm);
Emmanuel Grumbach1bd3cbc2014-03-18 21:15:06 +02001262
Luciano Coelhob08c1d92014-05-20 23:31:05 +03001263 iwl_mvm_nic_restart(mvm, true);
Emmanuel Grumbach715c9982013-02-28 08:57:31 +02001264}
1265
Johannes Berg8ca151b2013-01-24 14:25:36 +01001266static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
1267{
Emmanuel Grumbach715c9982013-02-28 08:57:31 +02001268 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1269
Johannes Berg8ca151b2013-01-24 14:25:36 +01001270 WARN_ON(1);
Luciano Coelhob08c1d92014-05-20 23:31:05 +03001271 iwl_mvm_nic_restart(mvm, true);
Johannes Berg8ca151b2013-01-24 14:25:36 +01001272}
1273
Eliad Peller37577fe2013-12-05 17:19:39 +02001274struct iwl_d0i3_iter_data {
1275 struct iwl_mvm *mvm;
Eliad Pellera3f7ba52015-11-11 17:23:59 +02001276 struct ieee80211_vif *connected_vif;
Eliad Peller37577fe2013-12-05 17:19:39 +02001277 u8 ap_sta_id;
1278 u8 vif_count;
Arik Nemtsovb2492502014-03-13 12:21:50 +02001279 u8 offloading_tid;
1280 bool disable_offloading;
Eliad Peller37577fe2013-12-05 17:19:39 +02001281};
1282
Arik Nemtsovb2492502014-03-13 12:21:50 +02001283static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm,
1284 struct ieee80211_vif *vif,
1285 struct iwl_d0i3_iter_data *iter_data)
1286{
1287 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
Arik Nemtsovb2492502014-03-13 12:21:50 +02001288 struct iwl_mvm_sta *mvmsta;
1289 u32 available_tids = 0;
1290 u8 tid;
1291
1292 if (WARN_ON(vif->type != NL80211_IFTYPE_STATION ||
Sara Sharon0ae98812017-01-04 14:53:58 +02001293 mvmvif->ap_sta_id == IWL_MVM_INVALID_STA))
Arik Nemtsovb2492502014-03-13 12:21:50 +02001294 return false;
1295
Sara Sharon13303c02016-04-10 15:51:54 +03001296 mvmsta = iwl_mvm_sta_from_staid_rcu(mvm, mvmvif->ap_sta_id);
1297 if (!mvmsta)
Arik Nemtsovb2492502014-03-13 12:21:50 +02001298 return false;
1299
Arik Nemtsovb2492502014-03-13 12:21:50 +02001300 spin_lock_bh(&mvmsta->lock);
1301 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
1302 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
1303
1304 /*
1305 * in case of pending tx packets, don't use this tid
1306 * for offloading in order to prevent reuse of the same
1307 * qos seq counters.
1308 */
Liad Kaufmandd321622017-04-05 16:25:11 +03001309 if (iwl_mvm_tid_queued(mvm, tid_data))
Arik Nemtsovb2492502014-03-13 12:21:50 +02001310 continue;
1311
1312 if (tid_data->state != IWL_AGG_OFF)
1313 continue;
1314
1315 available_tids |= BIT(tid);
1316 }
1317 spin_unlock_bh(&mvmsta->lock);
1318
1319 /*
1320 * disallow protocol offloading if we have no available tid
1321 * (with no pending frames and no active aggregation,
1322 * as we don't handle "holes" properly - the scheduler needs the
1323 * frame's seq number and TFD index to match)
1324 */
1325 if (!available_tids)
1326 return true;
1327
1328 /* for simplicity, just use the first available tid */
1329 iter_data->offloading_tid = ffs(available_tids) - 1;
1330 return false;
1331}
1332
Eliad Pellerd6230972013-11-03 20:09:08 +02001333static void iwl_mvm_enter_d0i3_iterator(void *_data, u8 *mac,
1334 struct ieee80211_vif *vif)
1335{
Eliad Peller37577fe2013-12-05 17:19:39 +02001336 struct iwl_d0i3_iter_data *data = _data;
1337 struct iwl_mvm *mvm = data->mvm;
1338 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
Eliad Pellerd6230972013-11-03 20:09:08 +02001339 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
1340
1341 IWL_DEBUG_RPM(mvm, "entering D0i3 - vif %pM\n", vif->addr);
1342 if (vif->type != NL80211_IFTYPE_STATION ||
1343 !vif->bss_conf.assoc)
1344 return;
1345
Arik Nemtsovb2492502014-03-13 12:21:50 +02001346 /*
1347 * in case of pending tx packets or active aggregations,
1348 * avoid offloading features in order to prevent reuse of
1349 * the same qos seq counters.
1350 */
1351 if (iwl_mvm_disallow_offloading(mvm, vif, data))
1352 data->disable_offloading = true;
1353
Eliad Pellerd6230972013-11-03 20:09:08 +02001354 iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags);
Sara Sharonc97dab42015-11-19 11:53:49 +02001355 iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading,
1356 false, flags);
Eliad Pellerd6230972013-11-03 20:09:08 +02001357
1358 /*
1359 * on init/association, mvm already configures POWER_TABLE_CMD
1360 * and REPLY_MCAST_FILTER_CMD, so currently don't
1361 * reconfigure them (we might want to use different
1362 * params later on, though).
1363 */
Eliad Peller37577fe2013-12-05 17:19:39 +02001364 data->ap_sta_id = mvmvif->ap_sta_id;
1365 data->vif_count++;
Eliad Pellera3f7ba52015-11-11 17:23:59 +02001366
1367 /*
1368 * no new commands can be sent at this stage, so it's safe
1369 * to save the vif pointer during d0i3 entrance.
1370 */
1371 data->connected_vif = vif;
Eliad Pellerd6230972013-11-03 20:09:08 +02001372}
1373
Eliad Peller1a95c8d2013-11-21 19:19:52 +02001374static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm,
Emmanuel Grumbachc8b06a92014-11-24 09:06:57 +02001375 struct iwl_wowlan_config_cmd *cmd,
Eliad Peller1a95c8d2013-11-21 19:19:52 +02001376 struct iwl_d0i3_iter_data *iter_data)
1377{
1378 struct ieee80211_sta *ap_sta;
1379 struct iwl_mvm_sta *mvm_ap_sta;
1380
Sara Sharon0ae98812017-01-04 14:53:58 +02001381 if (iter_data->ap_sta_id == IWL_MVM_INVALID_STA)
Eliad Peller1a95c8d2013-11-21 19:19:52 +02001382 return;
1383
1384 rcu_read_lock();
1385
1386 ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[iter_data->ap_sta_id]);
1387 if (IS_ERR_OR_NULL(ap_sta))
1388 goto out;
1389
1390 mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta);
Emmanuel Grumbachc8b06a92014-11-24 09:06:57 +02001391 cmd->is_11n_connection = ap_sta->ht_cap.ht_supported;
Arik Nemtsovb2492502014-03-13 12:21:50 +02001392 cmd->offloading_tid = iter_data->offloading_tid;
Sara Sharon70b4c532015-11-19 13:12:15 +02001393 cmd->flags = ENABLE_L3_FILTERING | ENABLE_NBNS_FILTERING |
Sara Sharon0db056d2015-12-29 11:07:15 +02001394 ENABLE_DHCP_FILTERING | ENABLE_STORE_BEACON;
Eliad Peller1a95c8d2013-11-21 19:19:52 +02001395 /*
1396 * The d0i3 uCode takes care of the nonqos counters,
1397 * so configure only the qos seq ones.
1398 */
Emmanuel Grumbachc8b06a92014-11-24 09:06:57 +02001399 iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, cmd);
Eliad Peller1a95c8d2013-11-21 19:19:52 +02001400out:
1401 rcu_read_unlock();
1402}
Eliad Peller67359432014-12-09 15:23:54 +02001403
1404int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode)
Eliad Pellerb3370d42013-11-25 15:20:16 +02001405{
1406 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
Arik Nemtsov98ee7782013-10-02 16:58:09 +03001407 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
Eliad Pellerb77f06d2013-11-06 10:49:32 +02001408 int ret;
Eliad Peller37577fe2013-12-05 17:19:39 +02001409 struct iwl_d0i3_iter_data d0i3_iter_data = {
1410 .mvm = mvm,
1411 };
Emmanuel Grumbachc8b06a92014-11-24 09:06:57 +02001412 struct iwl_wowlan_config_cmd wowlan_config_cmd = {
1413 .wakeup_filter = cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME |
1414 IWL_WOWLAN_WAKEUP_BEACON_MISS |
Sara Sharon0db056d2015-12-29 11:07:15 +02001415 IWL_WOWLAN_WAKEUP_LINK_CHANGE),
Eliad Pellerb77f06d2013-11-06 10:49:32 +02001416 };
Arik Nemtsov98ee7782013-10-02 16:58:09 +03001417 struct iwl_d3_manager_config d3_cfg_cmd = {
1418 .min_sleep_time = cpu_to_le32(1000),
Eliad Pellerd9f1fc22014-12-23 15:05:14 +02001419 .wakeup_flags = cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR),
Arik Nemtsov98ee7782013-10-02 16:58:09 +03001420 };
Eliad Pellerb3370d42013-11-25 15:20:16 +02001421
1422 IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n");
Arik Nemtsov98ee7782013-10-02 16:58:09 +03001423
Johannes Berg702e9752017-06-02 11:56:58 +02001424 if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR))
Eliad Peller08f0d232015-12-10 15:47:11 +02001425 return -EINVAL;
1426
Arik Nemtsovb2492502014-03-13 12:21:50 +02001427 set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
Arik Nemtsovb2492502014-03-13 12:21:50 +02001428
Eliad Pellerf4cf8682014-11-04 16:57:06 +02001429 /*
1430 * iwl_mvm_ref_sync takes a reference before checking the flag.
1431 * so by checking there is no held reference we prevent a state
1432 * in which iwl_mvm_ref_sync continues successfully while we
1433 * configure the firmware to enter d0i3
1434 */
1435 if (iwl_mvm_ref_taken(mvm)) {
1436 IWL_DEBUG_RPM(mvm->trans, "abort d0i3 due to taken ref\n");
1437 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
Eliad Pellercaf15782014-11-09 15:25:33 +02001438 wake_up(&mvm->d0i3_exit_waitq);
Eliad Pellerf4cf8682014-11-04 16:57:06 +02001439 return 1;
1440 }
1441
Eliad Pellerd6230972013-11-03 20:09:08 +02001442 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
1443 IEEE80211_IFACE_ITER_NORMAL,
1444 iwl_mvm_enter_d0i3_iterator,
Eliad Peller37577fe2013-12-05 17:19:39 +02001445 &d0i3_iter_data);
1446 if (d0i3_iter_data.vif_count == 1) {
1447 mvm->d0i3_ap_sta_id = d0i3_iter_data.ap_sta_id;
Arik Nemtsovb2492502014-03-13 12:21:50 +02001448 mvm->d0i3_offloading = !d0i3_iter_data.disable_offloading;
Eliad Peller37577fe2013-12-05 17:19:39 +02001449 } else {
1450 WARN_ON_ONCE(d0i3_iter_data.vif_count > 1);
Sara Sharon0ae98812017-01-04 14:53:58 +02001451 mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA;
Arik Nemtsovb2492502014-03-13 12:21:50 +02001452 mvm->d0i3_offloading = false;
Eliad Peller37577fe2013-12-05 17:19:39 +02001453 }
Eliad Pellerd6230972013-11-03 20:09:08 +02001454
Luca Coelho7d9d0d52018-04-12 16:15:07 +03001455 iwl_mvm_pause_tcm(mvm, true);
Emmanuel Grumbachecc7c512015-08-17 15:54:41 +03001456 /* make sure we have no running tx while configuring the seqno */
1457 synchronize_net();
1458
Luca Coelhoeb3908d2015-10-02 18:13:10 +03001459 /* Flush the hw queues, in case something got queued during entry */
Mordechai Goodsteind167e812017-05-10 16:42:53 +03001460 /* TODO new tx api */
1461 if (iwl_mvm_has_new_tx_api(mvm)) {
1462 WARN_ONCE(1, "d0i3: Need to implement flush TX queue\n");
1463 } else {
1464 ret = iwl_mvm_flush_tx_path(mvm, iwl_mvm_flushable_queues(mvm),
1465 flags);
1466 if (ret)
1467 return ret;
1468 }
Luca Coelhoeb3908d2015-10-02 18:13:10 +03001469
Eliad Peller183edd82015-09-01 14:16:00 +03001470 /* configure wowlan configuration only if needed */
Sara Sharon0ae98812017-01-04 14:53:58 +02001471 if (mvm->d0i3_ap_sta_id != IWL_MVM_INVALID_STA) {
Sara Sharon0db056d2015-12-29 11:07:15 +02001472 /* wake on beacons only if beacon storing isn't supported */
1473 if (!fw_has_capa(&mvm->fw->ucode_capa,
1474 IWL_UCODE_TLV_CAPA_BEACON_STORING))
1475 wowlan_config_cmd.wakeup_filter |=
1476 cpu_to_le32(IWL_WOWLAN_WAKEUP_BCN_FILTERING);
1477
Eliad Pellera3f7ba52015-11-11 17:23:59 +02001478 iwl_mvm_wowlan_config_key_params(mvm,
1479 d0i3_iter_data.connected_vif,
1480 true, flags);
1481
Eliad Peller183edd82015-09-01 14:16:00 +03001482 iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd,
1483 &d0i3_iter_data);
1484
1485 ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags,
1486 sizeof(wowlan_config_cmd),
1487 &wowlan_config_cmd);
1488 if (ret)
1489 return ret;
1490 }
Eliad Pellerb77f06d2013-11-06 10:49:32 +02001491
Arik Nemtsov98ee7782013-10-02 16:58:09 +03001492 return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD,
1493 flags | CMD_MAKE_TRANS_IDLE,
1494 sizeof(d3_cfg_cmd), &d3_cfg_cmd);
Eliad Pellerb3370d42013-11-25 15:20:16 +02001495}
1496
Eliad Pellerd6230972013-11-03 20:09:08 +02001497static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac,
1498 struct ieee80211_vif *vif)
1499{
1500 struct iwl_mvm *mvm = _data;
1501 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO;
1502
1503 IWL_DEBUG_RPM(mvm, "exiting D0i3 - vif %pM\n", vif->addr);
1504 if (vif->type != NL80211_IFTYPE_STATION ||
1505 !vif->bss_conf.assoc)
1506 return;
1507
1508 iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags);
1509}
1510
Eliad Pellera3f7ba52015-11-11 17:23:59 +02001511struct iwl_mvm_d0i3_exit_work_iter_data {
David Spinadelb3df2242015-08-06 10:26:50 +03001512 struct iwl_mvm *mvm;
Eliad Pellera3f7ba52015-11-11 17:23:59 +02001513 struct iwl_wowlan_status *status;
David Spinadelb3df2242015-08-06 10:26:50 +03001514 u32 wakeup_reasons;
1515};
1516
Eliad Pellera3f7ba52015-11-11 17:23:59 +02001517static void iwl_mvm_d0i3_exit_work_iter(void *_data, u8 *mac,
1518 struct ieee80211_vif *vif)
Eliad Peller37577fe2013-12-05 17:19:39 +02001519{
Eliad Pellera3f7ba52015-11-11 17:23:59 +02001520 struct iwl_mvm_d0i3_exit_work_iter_data *data = _data;
Eliad Peller37577fe2013-12-05 17:19:39 +02001521 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
Eliad Pellera3f7ba52015-11-11 17:23:59 +02001522 u32 reasons = data->wakeup_reasons;
Eliad Peller37577fe2013-12-05 17:19:39 +02001523
Eliad Pellera3f7ba52015-11-11 17:23:59 +02001524 /* consider only the relevant station interface */
1525 if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc ||
1526 data->mvm->d0i3_ap_sta_id != mvmvif->ap_sta_id)
1527 return;
1528
1529 if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH)
1530 iwl_mvm_connection_loss(data->mvm, vif, "D0i3");
1531 else if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON)
1532 ieee80211_beacon_loss(vif);
1533 else
1534 iwl_mvm_d0i3_update_keys(data->mvm, vif, data->status);
Eliad Peller37577fe2013-12-05 17:19:39 +02001535}
1536
Arik Nemtsovb2492502014-03-13 12:21:50 +02001537void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq)
1538{
1539 struct ieee80211_sta *sta = NULL;
1540 struct iwl_mvm_sta *mvm_ap_sta;
1541 int i;
1542 bool wake_queues = false;
1543
1544 lockdep_assert_held(&mvm->mutex);
1545
1546 spin_lock_bh(&mvm->d0i3_tx_lock);
1547
Sara Sharon0ae98812017-01-04 14:53:58 +02001548 if (mvm->d0i3_ap_sta_id == IWL_MVM_INVALID_STA)
Arik Nemtsovb2492502014-03-13 12:21:50 +02001549 goto out;
1550
1551 IWL_DEBUG_RPM(mvm, "re-enqueue packets\n");
1552
1553 /* get the sta in order to update seq numbers and re-enqueue skbs */
1554 sta = rcu_dereference_protected(
1555 mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id],
1556 lockdep_is_held(&mvm->mutex));
1557
1558 if (IS_ERR_OR_NULL(sta)) {
1559 sta = NULL;
1560 goto out;
1561 }
1562
1563 if (mvm->d0i3_offloading && qos_seq) {
1564 /* update qos seq numbers if offloading was enabled */
Johannes Berg9d8ce6a2014-12-23 16:02:40 +01001565 mvm_ap_sta = iwl_mvm_sta_from_mac80211(sta);
Arik Nemtsovb2492502014-03-13 12:21:50 +02001566 for (i = 0; i < IWL_MAX_TID_COUNT; i++) {
1567 u16 seq = le16_to_cpu(qos_seq[i]);
1568 /* firmware stores last-used one, we store next one */
1569 seq += 0x10;
1570 mvm_ap_sta->tid_data[i].seq_number = seq;
1571 }
1572 }
1573out:
1574 /* re-enqueue (or drop) all packets */
1575 while (!skb_queue_empty(&mvm->d0i3_tx)) {
1576 struct sk_buff *skb = __skb_dequeue(&mvm->d0i3_tx);
1577
1578 if (!sta || iwl_mvm_tx_skb(mvm, skb, sta))
1579 ieee80211_free_txskb(mvm->hw, skb);
1580
1581 /* if the skb_queue is not empty, we need to wake queues */
1582 wake_queues = true;
1583 }
1584 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1585 wake_up(&mvm->d0i3_exit_waitq);
Sara Sharon0ae98812017-01-04 14:53:58 +02001586 mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA;
Arik Nemtsovb2492502014-03-13 12:21:50 +02001587 if (wake_queues)
1588 ieee80211_wake_queues(mvm->hw);
1589
1590 spin_unlock_bh(&mvm->d0i3_tx_lock);
1591}
1592
Eliad Peller37577fe2013-12-05 17:19:39 +02001593static void iwl_mvm_d0i3_exit_work(struct work_struct *wk)
1594{
1595 struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, d0i3_exit_work);
1596 struct iwl_host_cmd get_status_cmd = {
1597 .id = WOWLAN_GET_STATUSES,
Emmanuel Grumbacha1022922014-05-12 11:36:41 +03001598 .flags = CMD_HIGH_PRIO | CMD_WANT_SKB,
Eliad Peller37577fe2013-12-05 17:19:39 +02001599 };
Eliad Pellera3f7ba52015-11-11 17:23:59 +02001600 struct iwl_mvm_d0i3_exit_work_iter_data iter_data = {
1601 .mvm = mvm,
1602 };
1603
Emmanuel Grumbach3afec6392014-03-30 09:10:28 +03001604 struct iwl_wowlan_status *status;
Eliad Peller37577fe2013-12-05 17:19:39 +02001605 int ret;
Eliad Pellera3f7ba52015-11-11 17:23:59 +02001606 u32 wakeup_reasons = 0;
Arik Nemtsovb2492502014-03-13 12:21:50 +02001607 __le16 *qos_seq = NULL;
Eliad Peller37577fe2013-12-05 17:19:39 +02001608
1609 mutex_lock(&mvm->mutex);
1610 ret = iwl_mvm_send_cmd(mvm, &get_status_cmd);
1611 if (ret)
1612 goto out;
1613
Eliad Peller37577fe2013-12-05 17:19:39 +02001614 status = (void *)get_status_cmd.resp_pkt->data;
1615 wakeup_reasons = le32_to_cpu(status->wakeup_reasons);
Arik Nemtsovb2492502014-03-13 12:21:50 +02001616 qos_seq = status->qos_seq_ctr;
Eliad Peller37577fe2013-12-05 17:19:39 +02001617
1618 IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons);
1619
Eliad Pellera3f7ba52015-11-11 17:23:59 +02001620 iter_data.wakeup_reasons = wakeup_reasons;
1621 iter_data.status = status;
1622 ieee80211_iterate_active_interfaces(mvm->hw,
1623 IEEE80211_IFACE_ITER_NORMAL,
1624 iwl_mvm_d0i3_exit_work_iter,
1625 &iter_data);
Eliad Peller37577fe2013-12-05 17:19:39 +02001626out:
Arik Nemtsovb2492502014-03-13 12:21:50 +02001627 iwl_mvm_d0i3_enable_tx(mvm, qos_seq);
Jonathan Doron47c8b152014-11-27 16:55:25 +02001628
Eliad Peller7c014e32015-09-06 14:17:17 +03001629 IWL_DEBUG_INFO(mvm, "d0i3 exit completed (wakeup reasons: 0x%x)\n",
1630 wakeup_reasons);
1631
Eliad Pellere5629be2015-04-14 11:36:23 +03001632 /* qos_seq might point inside resp_pkt, so free it only now */
1633 if (get_status_cmd.resp_pkt)
1634 iwl_free_resp(&get_status_cmd);
1635
Jonathan Doron47c8b152014-11-27 16:55:25 +02001636 /* the FW might have updated the regdomain */
1637 iwl_mvm_update_changed_regdom(mvm);
1638
Luca Coelho7d9d0d52018-04-12 16:15:07 +03001639 iwl_mvm_resume_tcm(mvm);
Eliad Pellerd15a7472014-03-27 18:53:12 +02001640 iwl_mvm_unref(mvm, IWL_MVM_REF_EXIT_WORK);
Eliad Peller37577fe2013-12-05 17:19:39 +02001641 mutex_unlock(&mvm->mutex);
1642}
1643
Eliad Pellerd15a7472014-03-27 18:53:12 +02001644int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm)
Eliad Pellerb3370d42013-11-25 15:20:16 +02001645{
Arik Nemtsov98ee7782013-10-02 16:58:09 +03001646 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE |
1647 CMD_WAKE_UP_TRANS;
Eliad Pellerd6230972013-11-03 20:09:08 +02001648 int ret;
Eliad Pellerb3370d42013-11-25 15:20:16 +02001649
1650 IWL_DEBUG_RPM(mvm, "MVM exiting D0i3\n");
Arik Nemtsov98ee7782013-10-02 16:58:09 +03001651
Johannes Berg702e9752017-06-02 11:56:58 +02001652 if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR))
Eliad Peller08f0d232015-12-10 15:47:11 +02001653 return -EINVAL;
1654
Eliad Pellerd15a7472014-03-27 18:53:12 +02001655 mutex_lock(&mvm->d0i3_suspend_mutex);
1656 if (test_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags)) {
1657 IWL_DEBUG_RPM(mvm, "Deferring d0i3 exit until resume\n");
1658 __set_bit(D0I3_PENDING_WAKEUP, &mvm->d0i3_suspend_flags);
1659 mutex_unlock(&mvm->d0i3_suspend_mutex);
1660 return 0;
1661 }
1662 mutex_unlock(&mvm->d0i3_suspend_mutex);
1663
Eliad Pellerd6230972013-11-03 20:09:08 +02001664 ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL);
1665 if (ret)
Eliad Peller37577fe2013-12-05 17:19:39 +02001666 goto out;
Eliad Pellerd6230972013-11-03 20:09:08 +02001667
1668 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
1669 IEEE80211_IFACE_ITER_NORMAL,
1670 iwl_mvm_exit_d0i3_iterator,
1671 mvm);
Eliad Peller37577fe2013-12-05 17:19:39 +02001672out:
1673 schedule_work(&mvm->d0i3_exit_work);
1674 return ret;
Eliad Pellerb3370d42013-11-25 15:20:16 +02001675}
1676
Eliad Peller67359432014-12-09 15:23:54 +02001677int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode)
Eliad Pellerd15a7472014-03-27 18:53:12 +02001678{
1679 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1680
1681 iwl_mvm_ref(mvm, IWL_MVM_REF_EXIT_WORK);
1682 return _iwl_mvm_exit_d0i3(mvm);
1683}
1684
Johannes Berg0316d302015-05-22 13:41:07 +02001685#define IWL_MVM_COMMON_OPS \
1686 /* these could be differentiated */ \
Emmanuel Grumbach156f92f2015-11-24 14:55:18 +02001687 .async_cb = iwl_mvm_async_cb, \
Johannes Berg0316d302015-05-22 13:41:07 +02001688 .queue_full = iwl_mvm_stop_sw_queue, \
1689 .queue_not_full = iwl_mvm_wake_sw_queue, \
1690 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \
1691 .free_skb = iwl_mvm_free_skb, \
1692 .nic_error = iwl_mvm_nic_error, \
1693 .cmd_queue_full = iwl_mvm_cmd_queue_full, \
1694 .nic_config = iwl_mvm_nic_config, \
1695 .enter_d0i3 = iwl_mvm_enter_d0i3, \
1696 .exit_d0i3 = iwl_mvm_exit_d0i3, \
1697 /* as we only register one, these MUST be common! */ \
1698 .start = iwl_op_mode_mvm_start, \
1699 .stop = iwl_op_mode_mvm_stop
1700
Johannes Berg8ca151b2013-01-24 14:25:36 +01001701static const struct iwl_op_mode_ops iwl_mvm_ops = {
Johannes Berg0316d302015-05-22 13:41:07 +02001702 IWL_MVM_COMMON_OPS,
1703 .rx = iwl_mvm_rx,
1704};
1705
1706static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
1707 struct napi_struct *napi,
1708 struct iwl_rx_cmd_buffer *rxb,
1709 unsigned int queue)
1710{
1711 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
Sara Sharon585a6fc2015-12-01 13:48:18 +02001712 struct iwl_rx_packet *pkt = rxb_addr(rxb);
Johannes Berg61b0f5d2016-08-04 08:57:59 +02001713 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
Johannes Berg0316d302015-05-22 13:41:07 +02001714
Johannes Berg61b0f5d2016-08-04 08:57:59 +02001715 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
Sara Sharona3383842016-02-28 15:41:47 +02001716 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
Johannes Berg61b0f5d2016-08-04 08:57:59 +02001717 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1718 RX_QUEUES_NOTIFICATION)))
Sara Sharon94bb4482015-12-16 18:48:28 +02001719 iwl_mvm_rx_queue_notif(mvm, rxb, queue);
Johannes Berg61b0f5d2016-08-04 08:57:59 +02001720 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
Sara Sharon585a6fc2015-12-01 13:48:18 +02001721 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
Johannes Berg0316d302015-05-22 13:41:07 +02001722}
1723
1724static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
1725 IWL_MVM_COMMON_OPS,
1726 .rx = iwl_mvm_rx_mq,
1727 .rx_rss = iwl_mvm_rx_mq_rss,
Johannes Berg8ca151b2013-01-24 14:25:36 +01001728};