Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1 | /* |
Poddar, Siddarth | a78cac3 | 2016-12-29 20:08:34 +0530 | [diff] [blame] | 2 | * Copyright (c) 2012-2017 The Linux Foundation. All rights reserved. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
| 28 | /** |
| 29 | * DOC: wlan_hdd_power.c |
| 30 | * |
| 31 | * WLAN power management functions |
| 32 | * |
| 33 | */ |
| 34 | |
| 35 | /* Include files */ |
| 36 | |
| 37 | #include <linux/pm.h> |
| 38 | #include <linux/wait.h> |
| 39 | #include <linux/cpu.h> |
| 40 | #include <wlan_hdd_includes.h> |
| 41 | #if defined(WLAN_OPEN_SOURCE) && defined(CONFIG_HAS_WAKELOCK) |
| 42 | #include <linux/wakelock.h> |
| 43 | #endif |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 44 | #include "qdf_types.h" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 45 | #include "sme_api.h" |
| 46 | #include <cds_api.h> |
| 47 | #include <cds_sched.h> |
| 48 | #include <mac_init_api.h> |
| 49 | #include <wlan_qct_sys.h> |
| 50 | #include <wlan_hdd_main.h> |
| 51 | #include <wlan_hdd_assoc.h> |
| 52 | #include <wlan_nlink_srv.h> |
| 53 | #include <wlan_hdd_misc.h> |
| 54 | #include <wlan_hdd_power.h> |
Jeff Johnson | c8d0c25 | 2016-10-05 16:19:50 -0700 | [diff] [blame] | 55 | #include <wlan_hdd_host_offload.h> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 56 | #include <dbglog_host.h> |
| 57 | #include <wlan_hdd_trace.h> |
Masti, Narayanraddi | 3e26de6 | 2016-08-19 14:33:22 +0530 | [diff] [blame] | 58 | #include <wlan_hdd_p2p.h> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 59 | |
| 60 | #include <linux/semaphore.h> |
| 61 | #include <wlan_hdd_hostapd.h> |
| 62 | #include "cfg_api.h" |
| 63 | |
| 64 | #include <linux/inetdevice.h> |
| 65 | #include <wlan_hdd_cfg.h> |
Sandeep Puligilla | e390be5 | 2016-02-08 17:07:05 -0800 | [diff] [blame] | 66 | #include <wlan_hdd_scan.h> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 67 | #include <wlan_hdd_cfg80211.h> |
| 68 | #include <net/addrconf.h> |
| 69 | #include <wlan_hdd_ipa.h> |
Jeff Johnson | 2b0a7b8 | 2016-05-18 15:08:02 -0700 | [diff] [blame] | 70 | #include <wlan_hdd_lpass.h> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 71 | |
| 72 | #include <wma_types.h> |
Poddar, Siddarth | a78cac3 | 2016-12-29 20:08:34 +0530 | [diff] [blame] | 73 | #include <ol_txrx_osif_api.h> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 74 | #include "hif.h" |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 75 | #include "hif_unit_test_suspend.h" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 76 | #include "sme_power_save_api.h" |
Tushnim Bhattacharyya | de1070d | 2017-03-09 13:23:55 -0800 | [diff] [blame] | 77 | #include "wlan_policy_mgr_api.h" |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 78 | #include "cdp_txrx_flow_ctrl_v2.h" |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 79 | #include "pld_common.h" |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 80 | #include "wlan_hdd_driver_ops.h" |
Himanshu Agarwal | f65bd4c | 2016-12-05 17:21:12 +0530 | [diff] [blame] | 81 | #include <wlan_logging_sock_svc.h> |
Krunal Soni | d32c6bc | 2016-10-18 18:00:21 -0700 | [diff] [blame] | 82 | #include "scheduler_api.h" |
yeshwanth sriram guntuka | 310b3ac | 2016-11-15 23:25:26 +0530 | [diff] [blame] | 83 | #include "cds_utils.h" |
Hanumanth Reddy Pothula | 3def894 | 2017-10-05 16:19:36 +0530 | [diff] [blame] | 84 | #include "wlan_hdd_packet_filter_api.h" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 85 | |
| 86 | /* Preprocessor definitions and constants */ |
Yue Ma | 5fe30dd | 2017-05-02 15:47:40 -0700 | [diff] [blame] | 87 | #ifdef QCA_WIFI_NAPIER_EMULATION |
| 88 | #define HDD_SSR_BRING_UP_TIME 3000000 |
| 89 | #else |
Yue Ma | 4ea4f05 | 2015-10-27 12:25:27 -0700 | [diff] [blame] | 90 | #define HDD_SSR_BRING_UP_TIME 30000 |
Yue Ma | 5fe30dd | 2017-05-02 15:47:40 -0700 | [diff] [blame] | 91 | #endif |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 92 | |
| 93 | /* Type declarations */ |
| 94 | |
Abhishek Singh | baea27d | 2016-04-27 13:29:30 +0530 | [diff] [blame] | 95 | #ifdef FEATURE_WLAN_DIAG_SUPPORT |
| 96 | /** |
| 97 | * hdd_wlan_suspend_resume_event()- send suspend/resume state |
| 98 | * @state: suspend/resume state |
| 99 | * |
| 100 | * This Function send send suspend resume state diag event |
| 101 | * |
| 102 | * Return: void. |
| 103 | */ |
| 104 | void hdd_wlan_suspend_resume_event(uint8_t state) |
| 105 | { |
| 106 | WLAN_HOST_DIAG_EVENT_DEF(suspend_state, struct host_event_suspend); |
| 107 | qdf_mem_zero(&suspend_state, sizeof(suspend_state)); |
| 108 | |
| 109 | suspend_state.state = state; |
| 110 | WLAN_HOST_DIAG_EVENT_REPORT(&suspend_state, EVENT_WLAN_SUSPEND_RESUME); |
| 111 | } |
Abhishek Singh | 4aad0f7 | 2016-04-27 13:43:29 +0530 | [diff] [blame] | 112 | |
| 113 | /** |
| 114 | * hdd_wlan_offload_event()- send offloads event |
| 115 | * @type: offload type |
| 116 | * @state: enabled or disabled |
| 117 | * |
| 118 | * This Function send offloads enable/disable diag event |
| 119 | * |
| 120 | * Return: void. |
| 121 | */ |
| 122 | |
| 123 | void hdd_wlan_offload_event(uint8_t type, uint8_t state) |
| 124 | { |
| 125 | WLAN_HOST_DIAG_EVENT_DEF(host_offload, struct host_event_offload_req); |
| 126 | qdf_mem_zero(&host_offload, sizeof(host_offload)); |
| 127 | |
| 128 | host_offload.offload_type = type; |
| 129 | host_offload.state = state; |
| 130 | |
| 131 | WLAN_HOST_DIAG_EVENT_REPORT(&host_offload, EVENT_WLAN_OFFLOAD_REQ); |
| 132 | } |
Abhishek Singh | baea27d | 2016-04-27 13:29:30 +0530 | [diff] [blame] | 133 | #endif |
| 134 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 135 | /** |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 136 | * hdd_enable_gtk_offload() - enable GTK offload |
| 137 | * @adapter: pointer to the adapter |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 138 | * |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 139 | * Central function to enable GTK offload. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 140 | * |
| 141 | * Return: nothing |
| 142 | */ |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 143 | static void hdd_enable_gtk_offload(struct hdd_adapter *adapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 144 | { |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 145 | QDF_STATUS status; |
Jeff Johnson | 4f7f7c6 | 2017-10-05 08:53:41 -0700 | [diff] [blame] | 146 | |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 147 | status = pmo_ucfg_enable_gtk_offload_in_fwr(adapter->hdd_vdev); |
| 148 | if (status != QDF_STATUS_SUCCESS) |
| 149 | hdd_info("Failed to enable gtk offload"); |
| 150 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 151 | |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 152 | /** |
| 153 | * hdd_disable_gtk_offload() - disable GTK offload |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 154 | * @adapter: pointer to the adapter |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 155 | * |
| 156 | * Central function to disable GTK offload. |
| 157 | * |
| 158 | * Return: nothing |
| 159 | */ |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 160 | static void hdd_disable_gtk_offload(struct hdd_adapter *adapter) |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 161 | { |
| 162 | struct pmo_gtk_rsp_req gtk_rsp_request; |
| 163 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 164 | |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 165 | /* ensure to get gtk rsp first before disable it*/ |
| 166 | gtk_rsp_request.callback = |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 167 | wlan_hdd_cfg80211_update_replay_counter_cb; |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 168 | /* Passing as void* as PMO does not know legacy HDD adapter type */ |
| 169 | gtk_rsp_request.callback_context = |
| 170 | (void *)adapter; |
| 171 | status = pmo_ucfg_get_gtk_rsp(adapter->hdd_vdev, |
| 172 | >k_rsp_request); |
| 173 | if (status != QDF_STATUS_SUCCESS) { |
| 174 | hdd_err("Failed to send get gtk rsp status:%d", status); |
| 175 | return; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 176 | } |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 177 | hdd_debug("send get_gtk_rsp successful"); |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 178 | status = pmo_ucfg_disable_gtk_offload_in_fwr(adapter->hdd_vdev); |
| 179 | if (status != QDF_STATUS_SUCCESS) |
| 180 | hdd_info("Failed to disable gtk offload"); |
| 181 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 182 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 183 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 184 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 185 | /** |
| 186 | * __wlan_hdd_ipv6_changed() - IPv6 notifier callback function |
| 187 | * @nb: notifier block that was registered with the kernel |
| 188 | * @data: (unused) generic data that was registered with the kernel |
| 189 | * @arg: (unused) generic argument that was registered with the kernel |
| 190 | * |
| 191 | * This is a callback function that is registered with the kernel via |
| 192 | * register_inet6addr_notifier() which allows the driver to be |
| 193 | * notified when there is an IPv6 address change. |
| 194 | * |
| 195 | * Return: NOTIFY_DONE to indicate we don't care what happens with |
| 196 | * other callbacks |
| 197 | */ |
| 198 | static int __wlan_hdd_ipv6_changed(struct notifier_block *nb, |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 199 | unsigned long data, void *arg) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 200 | { |
| 201 | struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)arg; |
| 202 | struct net_device *ndev = ifa->idev->dev; |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 203 | struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(ndev); |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 204 | struct hdd_context *hdd_ctx; |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 205 | int errno; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 206 | |
Jeff Johnson | 158c8d0 | 2016-10-31 13:11:48 -0700 | [diff] [blame] | 207 | ENTER_DEV(ndev); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 208 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 209 | errno = hdd_validate_adapter(adapter); |
| 210 | if (errno) |
| 211 | goto exit; |
| 212 | |
| 213 | if (adapter->dev == ndev && |
| 214 | (adapter->device_mode == QDF_STA_MODE || |
| 215 | adapter->device_mode == QDF_P2P_CLIENT_MODE || |
| 216 | adapter->device_mode == QDF_NDI_MODE)) { |
| 217 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 218 | errno = wlan_hdd_validate_context(hdd_ctx); |
| 219 | if (errno) |
| 220 | goto exit; |
| 221 | |
Nachiket Kukade | c9045fe | 2017-06-19 15:14:43 +0530 | [diff] [blame] | 222 | /* Ignore if the interface is down */ |
| 223 | if (!(ndev->flags & IFF_UP)) { |
| 224 | hdd_err("Rcvd change addr request on %s(flags 0x%X)", |
| 225 | ndev->name, ndev->flags); |
| 226 | hdd_err("NETDEV Interface is down, ignoring..."); |
| 227 | goto exit; |
| 228 | } |
| 229 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 230 | hdd_debug("invoking sme_dhcp_done_ind"); |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 231 | sme_dhcp_done_ind(hdd_ctx->hHal, adapter->session_id); |
Jeff Johnson | b527ebe | 2017-10-28 13:14:03 -0700 | [diff] [blame] | 232 | schedule_work(&adapter->ipv6_notifier_work); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 233 | } |
| 234 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 235 | exit: |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 236 | EXIT(); |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 237 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 238 | return NOTIFY_DONE; |
| 239 | } |
| 240 | |
| 241 | /** |
| 242 | * wlan_hdd_ipv6_changed() - IPv6 change notifier callback |
| 243 | * @nb: pointer to notifier block |
| 244 | * @data: data |
| 245 | * @arg: arg |
| 246 | * |
| 247 | * This is the IPv6 notifier callback function gets invoked |
| 248 | * if any change in IP and then invoke the function @__wlan_hdd_ipv6_changed |
| 249 | * to reconfigure the offload parameters. |
| 250 | * |
| 251 | * Return: 0 on success, error number otherwise. |
| 252 | */ |
| 253 | int wlan_hdd_ipv6_changed(struct notifier_block *nb, |
| 254 | unsigned long data, void *arg) |
| 255 | { |
| 256 | int ret; |
| 257 | |
| 258 | cds_ssr_protect(__func__); |
| 259 | ret = __wlan_hdd_ipv6_changed(nb, data, arg); |
| 260 | cds_ssr_unprotect(__func__); |
| 261 | |
| 262 | return ret; |
| 263 | } |
| 264 | |
| 265 | /** |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 266 | * hdd_fill_ipv6_uc_addr() - fill IPv6 unicast addresses |
| 267 | * @idev: pointer to net device |
| 268 | * @ipv6addr: destination array to fill IPv6 addresses |
| 269 | * @ipv6addr_type: IPv6 Address type |
| 270 | * @count: number of IPv6 addresses |
| 271 | * |
| 272 | * This is the IPv6 utility function to populate unicast addresses. |
| 273 | * |
| 274 | * Return: 0 on success, error number otherwise. |
| 275 | */ |
| 276 | static int hdd_fill_ipv6_uc_addr(struct inet6_dev *idev, |
| 277 | uint8_t ipv6_uc_addr[][SIR_MAC_IPV6_ADDR_LEN], |
| 278 | uint8_t *ipv6addr_type, uint32_t *count) |
| 279 | { |
| 280 | struct inet6_ifaddr *ifa; |
| 281 | struct list_head *p; |
| 282 | uint32_t scope; |
| 283 | |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 284 | read_lock_bh(&idev->lock); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 285 | list_for_each(p, &idev->addr_list) { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 286 | if (*count >= PMO_MAC_NUM_TARGET_IPV6_NS_OFFLOAD_NA) { |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 287 | read_unlock_bh(&idev->lock); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 288 | return -EINVAL; |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 289 | } |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 290 | ifa = list_entry(p, struct inet6_ifaddr, if_list); |
| 291 | if (ifa->flags & IFA_F_DADFAILED) |
| 292 | continue; |
| 293 | scope = ipv6_addr_src_scope(&ifa->addr); |
| 294 | switch (scope) { |
| 295 | case IPV6_ADDR_SCOPE_GLOBAL: |
| 296 | case IPV6_ADDR_SCOPE_LINKLOCAL: |
| 297 | qdf_mem_copy(ipv6_uc_addr[*count], &ifa->addr.s6_addr, |
| 298 | sizeof(ifa->addr.s6_addr)); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 299 | ipv6addr_type[*count] = PMO_IPV6_ADDR_UC_TYPE; |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 300 | hdd_debug("Index %d scope = %s UC-Address: %pI6", |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 301 | *count, (scope == IPV6_ADDR_SCOPE_LINKLOCAL) ? |
| 302 | "LINK LOCAL" : "GLOBAL", ipv6_uc_addr[*count]); |
| 303 | *count += 1; |
| 304 | break; |
| 305 | default: |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 306 | hdd_warn("The Scope %d is not supported", scope); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 307 | } |
| 308 | } |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 309 | |
| 310 | read_unlock_bh(&idev->lock); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 311 | return 0; |
| 312 | } |
| 313 | |
| 314 | /** |
| 315 | * hdd_fill_ipv6_ac_addr() - fill IPv6 anycast addresses |
| 316 | * @idev: pointer to net device |
| 317 | * @ipv6addr: destination array to fill IPv6 addresses |
| 318 | * @ipv6addr_type: IPv6 Address type |
| 319 | * @count: number of IPv6 addresses |
| 320 | * |
| 321 | * This is the IPv6 utility function to populate anycast addresses. |
| 322 | * |
| 323 | * Return: 0 on success, error number otherwise. |
| 324 | */ |
| 325 | static int hdd_fill_ipv6_ac_addr(struct inet6_dev *idev, |
| 326 | uint8_t ipv6_ac_addr[][SIR_MAC_IPV6_ADDR_LEN], |
| 327 | uint8_t *ipv6addr_type, uint32_t *count) |
| 328 | { |
| 329 | struct ifacaddr6 *ifaca; |
| 330 | uint32_t scope; |
| 331 | |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 332 | read_lock_bh(&idev->lock); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 333 | for (ifaca = idev->ac_list; ifaca; ifaca = ifaca->aca_next) { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 334 | if (*count >= PMO_MAC_NUM_TARGET_IPV6_NS_OFFLOAD_NA) { |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 335 | read_unlock_bh(&idev->lock); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 336 | return -EINVAL; |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 337 | } |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 338 | /* For anycast addr no DAD */ |
| 339 | scope = ipv6_addr_src_scope(&ifaca->aca_addr); |
| 340 | switch (scope) { |
| 341 | case IPV6_ADDR_SCOPE_GLOBAL: |
| 342 | case IPV6_ADDR_SCOPE_LINKLOCAL: |
| 343 | qdf_mem_copy(ipv6_ac_addr[*count], &ifaca->aca_addr, |
| 344 | sizeof(ifaca->aca_addr)); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 345 | ipv6addr_type[*count] = PMO_IPV6_ADDR_AC_TYPE; |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 346 | hdd_debug("Index %d scope = %s AC-Address: %pI6", |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 347 | *count, (scope == IPV6_ADDR_SCOPE_LINKLOCAL) ? |
| 348 | "LINK LOCAL" : "GLOBAL", ipv6_ac_addr[*count]); |
| 349 | *count += 1; |
| 350 | break; |
| 351 | default: |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 352 | hdd_warn("The Scope %d is not supported", scope); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 353 | } |
| 354 | } |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 355 | |
| 356 | read_unlock_bh(&idev->lock); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 357 | return 0; |
| 358 | } |
| 359 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 360 | void hdd_enable_ns_offload(struct hdd_adapter *adapter, |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 361 | enum pmo_offload_trigger trigger) |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 362 | { |
| 363 | struct inet6_dev *in6_dev; |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 364 | QDF_STATUS status; |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 365 | struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 366 | struct wlan_objmgr_psoc *psoc = hdd_ctx->hdd_psoc; |
| 367 | struct pmo_ns_req *ns_req = NULL; |
| 368 | int err; |
| 369 | |
| 370 | ENTER(); |
| 371 | if (!psoc) { |
| 372 | hdd_err("psoc is NULL"); |
| 373 | goto out; |
| 374 | } |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 375 | |
| 376 | in6_dev = __in6_dev_get(adapter->dev); |
| 377 | if (NULL == in6_dev) { |
| 378 | hdd_err("IPv6 dev does not exist. Failed to request NSOffload"); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 379 | goto out; |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 380 | } |
| 381 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 382 | ns_req = qdf_mem_malloc(sizeof(*ns_req)); |
| 383 | if (!ns_req) { |
| 384 | hdd_err("fail to allocate ns_req"); |
| 385 | goto out; |
| 386 | } |
| 387 | |
| 388 | ns_req->psoc = psoc; |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 389 | ns_req->vdev_id = adapter->session_id; |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 390 | ns_req->trigger = trigger; |
| 391 | ns_req->count = 0; |
| 392 | |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 393 | /* Unicast Addresses */ |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 394 | err = hdd_fill_ipv6_uc_addr(in6_dev, ns_req->ipv6_addr, |
| 395 | ns_req->ipv6_addr_type, &ns_req->count); |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 396 | if (err) { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 397 | hdd_disable_ns_offload(adapter, trigger); |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 398 | hdd_debug("Max supported addresses: disabling NS offload"); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 399 | goto out; |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 400 | } |
| 401 | |
| 402 | /* Anycast Addresses */ |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 403 | err = hdd_fill_ipv6_ac_addr(in6_dev, ns_req->ipv6_addr, |
| 404 | ns_req->ipv6_addr_type, &ns_req->count); |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 405 | if (err) { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 406 | hdd_disable_ns_offload(adapter, trigger); |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 407 | hdd_debug("Max supported addresses: disabling NS offload"); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 408 | goto out; |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 409 | } |
| 410 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 411 | /* cache ns request */ |
| 412 | status = pmo_ucfg_cache_ns_offload_req(ns_req); |
| 413 | if (status != QDF_STATUS_SUCCESS) { |
| 414 | hdd_err("Failed to cache ns request status: %d", status); |
| 415 | goto out; |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 416 | } |
| 417 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 418 | /* enable ns request */ |
| 419 | status = pmo_ucfg_enable_ns_offload_in_fwr(adapter->hdd_vdev, trigger); |
| 420 | if (status != QDF_STATUS_SUCCESS) |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 421 | hdd_err("Failed to enable HostOffload feature with status: %d", |
| 422 | status); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 423 | else |
| 424 | hdd_wlan_offload_event(SIR_IPV6_NS_OFFLOAD, SIR_OFFLOAD_ENABLE); |
| 425 | out: |
| 426 | if (ns_req) |
| 427 | qdf_mem_free(ns_req); |
| 428 | EXIT(); |
| 429 | |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 430 | } |
| 431 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 432 | void hdd_disable_ns_offload(struct hdd_adapter *adapter, |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 433 | enum pmo_offload_trigger trigger) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 434 | { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 435 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 436 | |
| 437 | ENTER(); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 438 | status = pmo_ucfg_flush_ns_offload_req(adapter->hdd_vdev); |
| 439 | if (status != QDF_STATUS_SUCCESS) { |
| 440 | hdd_err("Failed to flush NS Offload"); |
| 441 | goto out; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 442 | } |
| 443 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 444 | status = pmo_ucfg_disable_ns_offload_in_fwr(adapter->hdd_vdev, trigger); |
| 445 | if (status != QDF_STATUS_SUCCESS) |
| 446 | hdd_err("Failed to disable NS Offload"); |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 447 | else |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 448 | hdd_wlan_offload_event(SIR_IPV6_NS_OFFLOAD, |
| 449 | SIR_OFFLOAD_DISABLE); |
| 450 | out: |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 451 | EXIT(); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 452 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 453 | } |
| 454 | |
| 455 | /** |
| 456 | * __hdd_ipv6_notifier_work_queue() - IPv6 notification work function |
| 457 | * @work: registered work item |
| 458 | * |
| 459 | * This function performs the work initially trigged by a callback |
| 460 | * from the IPv6 netdev notifier. Since this means there has been a |
| 461 | * change in IPv6 state for the interface, the NS offload is |
| 462 | * reconfigured. |
| 463 | * |
| 464 | * Return: None |
| 465 | */ |
Jeff Johnson | c8d0c25 | 2016-10-05 16:19:50 -0700 | [diff] [blame] | 466 | static void __hdd_ipv6_notifier_work_queue(struct work_struct *work) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 467 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 468 | struct hdd_context *hdd_ctx; |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 469 | struct hdd_adapter *adapter; |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 470 | int errno; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 471 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 472 | ENTER(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 473 | |
Jeff Johnson | b527ebe | 2017-10-28 13:14:03 -0700 | [diff] [blame] | 474 | adapter = container_of(work, struct hdd_adapter, ipv6_notifier_work); |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 475 | errno = hdd_validate_adapter(adapter); |
| 476 | if (errno) |
| 477 | goto exit; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 478 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 479 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 480 | errno = wlan_hdd_validate_context(hdd_ctx); |
| 481 | if (errno) |
| 482 | goto exit; |
| 483 | |
| 484 | hdd_enable_ns_offload(adapter, pmo_ipv6_change_notify); |
| 485 | |
| 486 | exit: |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 487 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 488 | } |
| 489 | |
| 490 | /** |
| 491 | * hdd_ipv6_notifier_work_queue() - IP V6 change notifier work handler |
| 492 | * @work: Pointer to work context |
| 493 | * |
| 494 | * Return: none |
| 495 | */ |
| 496 | void hdd_ipv6_notifier_work_queue(struct work_struct *work) |
| 497 | { |
| 498 | cds_ssr_protect(__func__); |
| 499 | __hdd_ipv6_notifier_work_queue(work); |
| 500 | cds_ssr_unprotect(__func__); |
| 501 | } |
| 502 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 503 | static void hdd_enable_hw_filter(struct hdd_adapter *adapter) |
Dustin Brown | 1224e21 | 2017-05-12 14:02:12 -0700 | [diff] [blame] | 504 | { |
| 505 | QDF_STATUS status; |
| 506 | |
| 507 | ENTER(); |
| 508 | |
| 509 | status = pmo_ucfg_enable_hw_filter_in_fwr(adapter->hdd_vdev); |
| 510 | if (status != QDF_STATUS_SUCCESS) |
| 511 | hdd_info("Failed to enable hardware filter"); |
| 512 | |
| 513 | EXIT(); |
| 514 | } |
| 515 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 516 | static void hdd_disable_hw_filter(struct hdd_adapter *adapter) |
Dustin Brown | 1224e21 | 2017-05-12 14:02:12 -0700 | [diff] [blame] | 517 | { |
| 518 | QDF_STATUS status; |
| 519 | |
| 520 | ENTER(); |
| 521 | |
| 522 | status = pmo_ucfg_disable_hw_filter_in_fwr(adapter->hdd_vdev); |
| 523 | if (status != QDF_STATUS_SUCCESS) |
| 524 | hdd_info("Failed to disable hardware filter"); |
| 525 | |
| 526 | EXIT(); |
| 527 | } |
| 528 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 529 | void hdd_enable_host_offloads(struct hdd_adapter *adapter, |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 530 | enum pmo_offload_trigger trigger) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 531 | { |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 532 | ENTER(); |
| 533 | |
Rajeev Kumar | ec1194d | 2017-11-16 17:30:01 -0800 | [diff] [blame^] | 534 | if (!ucfg_pmo_is_vdev_supports_offload(adapter->hdd_vdev)) { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 535 | hdd_info("offload is not supported on this vdev opmode: %d", |
| 536 | adapter->device_mode); |
| 537 | goto out; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 538 | } |
| 539 | |
Rajeev Kumar | 9084cc8 | 2017-10-31 14:32:08 -0700 | [diff] [blame] | 540 | if (!ucfg_pmo_is_vdev_connected(adapter->hdd_vdev)) { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 541 | hdd_info("vdev is not connected"); |
| 542 | goto out; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 543 | } |
| 544 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 545 | hdd_info("enable offloads"); |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 546 | hdd_enable_gtk_offload(adapter); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 547 | hdd_enable_arp_offload(adapter, trigger); |
| 548 | hdd_enable_ns_offload(adapter, trigger); |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 549 | hdd_enable_mc_addr_filtering(adapter, trigger); |
Dustin Brown | 1224e21 | 2017-05-12 14:02:12 -0700 | [diff] [blame] | 550 | hdd_enable_hw_filter(adapter); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 551 | out: |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 552 | EXIT(); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 553 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 554 | } |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 555 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 556 | void hdd_disable_host_offloads(struct hdd_adapter *adapter, |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 557 | enum pmo_offload_trigger trigger) |
| 558 | { |
| 559 | ENTER(); |
| 560 | |
Rajeev Kumar | ec1194d | 2017-11-16 17:30:01 -0800 | [diff] [blame^] | 561 | if (!ucfg_pmo_is_vdev_supports_offload(adapter->hdd_vdev)) { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 562 | hdd_info("offload is not supported on this vdev opmode: %d", |
| 563 | adapter->device_mode); |
| 564 | goto out; |
| 565 | } |
| 566 | |
Rajeev Kumar | 9084cc8 | 2017-10-31 14:32:08 -0700 | [diff] [blame] | 567 | if (!ucfg_pmo_is_vdev_connected(adapter->hdd_vdev)) { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 568 | hdd_info("vdev is not connected"); |
| 569 | goto out; |
| 570 | } |
| 571 | |
| 572 | hdd_info("disable offloads"); |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 573 | hdd_disable_gtk_offload(adapter); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 574 | hdd_disable_arp_offload(adapter, trigger); |
| 575 | hdd_disable_ns_offload(adapter, trigger); |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 576 | hdd_disable_mc_addr_filtering(adapter, trigger); |
Dustin Brown | 1224e21 | 2017-05-12 14:02:12 -0700 | [diff] [blame] | 577 | hdd_disable_hw_filter(adapter); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 578 | out: |
| 579 | EXIT(); |
| 580 | |
| 581 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 582 | |
| 583 | /** |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 584 | * hdd_lookup_ifaddr() - Lookup interface address data by name |
| 585 | * @adapter: the adapter whose name should be searched for |
| 586 | * |
| 587 | * return in_ifaddr pointer on success, NULL for failure |
| 588 | */ |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 589 | static struct in_ifaddr *hdd_lookup_ifaddr(struct hdd_adapter *adapter) |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 590 | { |
| 591 | struct in_ifaddr *ifa; |
| 592 | struct in_device *in_dev; |
| 593 | |
| 594 | if (!adapter) { |
| 595 | hdd_err("adapter is null"); |
| 596 | return NULL; |
| 597 | } |
| 598 | |
| 599 | in_dev = __in_dev_get_rtnl(adapter->dev); |
| 600 | if (!in_dev) { |
| 601 | hdd_err("Failed to get in_device"); |
| 602 | return NULL; |
| 603 | } |
| 604 | |
| 605 | /* lookup address data by interface name */ |
| 606 | for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { |
| 607 | if (!strcmp(adapter->dev->name, ifa->ifa_label)) |
| 608 | return ifa; |
| 609 | } |
| 610 | |
| 611 | return NULL; |
| 612 | } |
| 613 | |
| 614 | /** |
| 615 | * hdd_populate_ipv4_addr() - Populates the adapter's IPv4 address |
| 616 | * @adapter: the adapter whose IPv4 address is desired |
| 617 | * @ipv4_addr: the address of the array to copy the IPv4 address into |
| 618 | * |
| 619 | * return: zero for success; non-zero for failure |
| 620 | */ |
Jeff Johnson | d6d1f63 | 2017-10-06 20:06:10 -0700 | [diff] [blame] | 621 | static int hdd_populate_ipv4_addr(struct hdd_adapter *adapter, |
| 622 | uint8_t *ipv4_addr) |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 623 | { |
| 624 | struct in_ifaddr *ifa; |
| 625 | int i; |
| 626 | |
| 627 | if (!adapter) { |
| 628 | hdd_err("adapter is null"); |
| 629 | return -EINVAL; |
| 630 | } |
| 631 | |
| 632 | if (!ipv4_addr) { |
| 633 | hdd_err("ipv4_addr is null"); |
| 634 | return -EINVAL; |
| 635 | } |
| 636 | |
| 637 | ifa = hdd_lookup_ifaddr(adapter); |
| 638 | if (!ifa || !ifa->ifa_local) { |
| 639 | hdd_err("ipv4 address not found"); |
| 640 | return -EINVAL; |
| 641 | } |
| 642 | |
| 643 | /* convert u32 to byte array */ |
| 644 | for (i = 0; i < 4; i++) |
| 645 | ipv4_addr[i] = (ifa->ifa_local >> i * 8) & 0xff; |
| 646 | |
| 647 | return 0; |
| 648 | } |
| 649 | |
| 650 | /** |
| 651 | * hdd_set_grat_arp_keepalive() - Enable grat APR keepalive |
| 652 | * @adapter: the HDD adapter to configure |
| 653 | * |
| 654 | * This configures gratuitous APR keepalive based on the adapter's current |
| 655 | * connection information, specifically IPv4 address and BSSID |
| 656 | * |
| 657 | * return: zero for success, non-zero for failure |
| 658 | */ |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 659 | static int hdd_set_grat_arp_keepalive(struct hdd_adapter *adapter) |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 660 | { |
| 661 | QDF_STATUS status; |
| 662 | int exit_code; |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 663 | struct hdd_context *hdd_ctx; |
Jeff Johnson | 40dae4e | 2017-08-29 14:00:25 -0700 | [diff] [blame] | 664 | struct hdd_station_ctx *sta_ctx; |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 665 | tSirKeepAliveReq req = { |
| 666 | .packetType = SIR_KEEP_ALIVE_UNSOLICIT_ARP_RSP, |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 667 | .dest_macaddr = QDF_MAC_ADDR_BROADCAST_INITIALIZER, |
| 668 | }; |
| 669 | |
| 670 | if (!adapter) { |
| 671 | hdd_err("adapter is null"); |
| 672 | return -EINVAL; |
| 673 | } |
| 674 | |
| 675 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 676 | if (!hdd_ctx) { |
| 677 | hdd_err("hdd_ctx is null"); |
| 678 | return -EINVAL; |
| 679 | } |
| 680 | |
| 681 | sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter); |
| 682 | if (!sta_ctx) { |
| 683 | hdd_err("sta_ctx is null"); |
| 684 | return -EINVAL; |
| 685 | } |
| 686 | |
| 687 | exit_code = hdd_populate_ipv4_addr(adapter, req.hostIpv4Addr); |
| 688 | if (exit_code) { |
| 689 | hdd_err("Failed to populate ipv4 address"); |
| 690 | return exit_code; |
| 691 | } |
| 692 | |
Dustin Brown | 6b4643d | 2017-02-09 12:19:28 -0800 | [diff] [blame] | 693 | /* according to RFC5227, sender/target ip address should be the same */ |
| 694 | qdf_mem_copy(&req.destIpv4Addr, &req.hostIpv4Addr, |
| 695 | sizeof(req.destIpv4Addr)); |
| 696 | |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 697 | qdf_copy_macaddr(&req.bssid, &sta_ctx->conn_info.bssId); |
| 698 | req.timePeriod = hdd_ctx->config->infraStaKeepAlivePeriod; |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 699 | req.sessionId = adapter->session_id; |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 700 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 701 | hdd_debug("Setting gratuitous ARP keepalive; ipv4_addr:%u.%u.%u.%u", |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 702 | req.hostIpv4Addr[0], req.hostIpv4Addr[1], |
| 703 | req.hostIpv4Addr[2], req.hostIpv4Addr[3]); |
| 704 | |
| 705 | status = sme_set_keep_alive(hdd_ctx->hHal, req.sessionId, &req); |
| 706 | if (QDF_IS_STATUS_ERROR(status)) { |
| 707 | hdd_err("Failed to set keepalive"); |
| 708 | return qdf_status_to_os_return(status); |
| 709 | } |
| 710 | |
| 711 | return 0; |
| 712 | } |
| 713 | |
| 714 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 715 | * __hdd_ipv4_notifier_work_queue() - IPv4 notification work function |
| 716 | * @work: registered work item |
| 717 | * |
| 718 | * This function performs the work initially trigged by a callback |
| 719 | * from the IPv4 netdev notifier. Since this means there has been a |
| 720 | * change in IPv4 state for the interface, the ARP offload is |
Vignesh Viswanathan | c6d1e1c | 2017-09-18 12:32:49 +0530 | [diff] [blame] | 721 | * reconfigured. Also, Updates the HLP IE info with IP address info |
| 722 | * to fw if LFR3 is enabled |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 723 | * |
| 724 | * Return: None |
| 725 | */ |
Jeff Johnson | c8d0c25 | 2016-10-05 16:19:50 -0700 | [diff] [blame] | 726 | static void __hdd_ipv4_notifier_work_queue(struct work_struct *work) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 727 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 728 | struct hdd_context *hdd_ctx; |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 729 | struct hdd_adapter *adapter; |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 730 | int errno; |
Vignesh Viswanathan | c6d1e1c | 2017-09-18 12:32:49 +0530 | [diff] [blame] | 731 | struct hdd_wext_state *wext_state; |
| 732 | tCsrRoamProfile *roam_profile; |
| 733 | struct in_ifaddr *ifa; |
Dustin Brown | b6b0f18 | 2017-03-08 13:08:27 -0800 | [diff] [blame] | 734 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 735 | ENTER(); |
Dustin Brown | b6b0f18 | 2017-03-08 13:08:27 -0800 | [diff] [blame] | 736 | |
Jeff Johnson | b527ebe | 2017-10-28 13:14:03 -0700 | [diff] [blame] | 737 | adapter = container_of(work, struct hdd_adapter, ipv4_notifier_work); |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 738 | errno = hdd_validate_adapter(adapter); |
| 739 | if (errno) |
| 740 | goto exit; |
Dustin Brown | b6b0f18 | 2017-03-08 13:08:27 -0800 | [diff] [blame] | 741 | |
| 742 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 743 | errno = wlan_hdd_validate_context(hdd_ctx); |
| 744 | if (errno) |
| 745 | goto exit; |
| 746 | |
| 747 | hdd_enable_arp_offload(adapter, pmo_ipv4_change_notify); |
| 748 | |
Dustin Brown | b6b0f18 | 2017-03-08 13:08:27 -0800 | [diff] [blame] | 749 | if (hdd_ctx->config->sta_keepalive_method == HDD_STA_KEEPALIVE_GRAT_ARP) |
| 750 | hdd_set_grat_arp_keepalive(adapter); |
| 751 | |
Vignesh Viswanathan | 731186f | 2017-09-18 13:47:37 +0530 | [diff] [blame] | 752 | hdd_debug("FILS Roaming support: %d", |
| 753 | hdd_ctx->is_fils_roaming_supported); |
Vignesh Viswanathan | c6d1e1c | 2017-09-18 12:32:49 +0530 | [diff] [blame] | 754 | wext_state = WLAN_HDD_GET_WEXT_STATE_PTR(adapter); |
| 755 | roam_profile = &wext_state->roamProfile; |
Vignesh Viswanathan | 731186f | 2017-09-18 13:47:37 +0530 | [diff] [blame] | 756 | |
Vignesh Viswanathan | c6d1e1c | 2017-09-18 12:32:49 +0530 | [diff] [blame] | 757 | ifa = hdd_lookup_ifaddr(adapter); |
Vignesh Viswanathan | 731186f | 2017-09-18 13:47:37 +0530 | [diff] [blame] | 758 | if (ifa && hdd_ctx->is_fils_roaming_supported) |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 759 | sme_send_hlp_ie_info(hdd_ctx->hHal, adapter->session_id, |
Vignesh Viswanathan | c6d1e1c | 2017-09-18 12:32:49 +0530 | [diff] [blame] | 760 | roam_profile, ifa->ifa_local); |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 761 | exit: |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 762 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 763 | } |
| 764 | |
| 765 | /** |
| 766 | * hdd_ipv4_notifier_work_queue() - IP V4 change notifier work handler |
| 767 | * @work: Pointer to work context |
| 768 | * |
| 769 | * Return: none |
| 770 | */ |
| 771 | void hdd_ipv4_notifier_work_queue(struct work_struct *work) |
| 772 | { |
| 773 | cds_ssr_protect(__func__); |
| 774 | __hdd_ipv4_notifier_work_queue(work); |
| 775 | cds_ssr_unprotect(__func__); |
| 776 | } |
| 777 | |
| 778 | /** |
| 779 | * __wlan_hdd_ipv4_changed() - IPv4 notifier callback function |
| 780 | * @nb: notifier block that was registered with the kernel |
| 781 | * @data: (unused) generic data that was registered with the kernel |
| 782 | * @arg: (unused) generic argument that was registered with the kernel |
| 783 | * |
| 784 | * This is a callback function that is registered with the kernel via |
| 785 | * register_inetaddr_notifier() which allows the driver to be |
| 786 | * notified when there is an IPv4 address change. |
| 787 | * |
| 788 | * Return: NOTIFY_DONE to indicate we don't care what happens with |
| 789 | * other callbacks |
| 790 | */ |
| 791 | static int __wlan_hdd_ipv4_changed(struct notifier_block *nb, |
| 792 | unsigned long data, void *arg) |
| 793 | { |
| 794 | struct in_ifaddr *ifa = (struct in_ifaddr *)arg; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 795 | struct net_device *ndev = ifa->ifa_dev->dev; |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 796 | struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(ndev); |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 797 | struct hdd_context *hdd_ctx; |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 798 | int errno; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 799 | |
Jeff Johnson | 158c8d0 | 2016-10-31 13:11:48 -0700 | [diff] [blame] | 800 | ENTER_DEV(ndev); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 801 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 802 | errno = hdd_validate_adapter(adapter); |
| 803 | if (errno) |
| 804 | goto exit; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 805 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 806 | if (adapter->dev == ndev && |
| 807 | (adapter->device_mode == QDF_STA_MODE || |
| 808 | adapter->device_mode == QDF_P2P_CLIENT_MODE || |
| 809 | adapter->device_mode == QDF_NDI_MODE)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 810 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 811 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 812 | errno = wlan_hdd_validate_context(hdd_ctx); |
| 813 | if (errno) |
| 814 | goto exit; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 815 | |
Nachiket Kukade | c9045fe | 2017-06-19 15:14:43 +0530 | [diff] [blame] | 816 | /* Ignore if the interface is down */ |
| 817 | if (!(ndev->flags & IFF_UP)) { |
| 818 | hdd_err("Rcvd change addr request on %s(flags 0x%X)", |
| 819 | ndev->name, ndev->flags); |
| 820 | hdd_err("NETDEV Interface is down, ignoring..."); |
| 821 | goto exit; |
| 822 | } |
Padma, Santhosh Kumar | 8392fb4 | 2017-03-17 12:35:27 +0530 | [diff] [blame] | 823 | hdd_debug("invoking sme_dhcp_done_ind"); |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 824 | sme_dhcp_done_ind(hdd_ctx->hHal, adapter->session_id); |
Abhishek Singh | ca40803 | 2016-09-13 15:26:12 +0530 | [diff] [blame] | 825 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 826 | if (!hdd_ctx->config->fhostArpOffload) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 827 | hdd_debug("Offload not enabled ARPOffload=%d", |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 828 | hdd_ctx->config->fhostArpOffload); |
| 829 | goto exit; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 830 | } |
| 831 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 832 | ifa = hdd_lookup_ifaddr(adapter); |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 833 | if (ifa && ifa->ifa_local) |
Jeff Johnson | b527ebe | 2017-10-28 13:14:03 -0700 | [diff] [blame] | 834 | schedule_work(&adapter->ipv4_notifier_work); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 835 | } |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 836 | |
| 837 | exit: |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 838 | EXIT(); |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 839 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 840 | return NOTIFY_DONE; |
| 841 | } |
| 842 | |
| 843 | /** |
| 844 | * wlan_hdd_ipv4_changed() - IPv4 change notifier callback |
| 845 | * @nb: pointer to notifier block |
| 846 | * @data: data |
| 847 | * @arg: arg |
| 848 | * |
| 849 | * This is the IPv4 notifier callback function gets invoked |
| 850 | * if any change in IP and then invoke the function @__wlan_hdd_ipv4_changed |
| 851 | * to reconfigure the offload parameters. |
| 852 | * |
| 853 | * Return: 0 on success, error number otherwise. |
| 854 | */ |
| 855 | int wlan_hdd_ipv4_changed(struct notifier_block *nb, |
| 856 | unsigned long data, void *arg) |
| 857 | { |
| 858 | int ret; |
| 859 | |
| 860 | cds_ssr_protect(__func__); |
| 861 | ret = __wlan_hdd_ipv4_changed(nb, data, arg); |
| 862 | cds_ssr_unprotect(__func__); |
| 863 | |
| 864 | return ret; |
| 865 | } |
| 866 | |
| 867 | /** |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 868 | * hdd_get_ipv4_local_interface() - get ipv4 local interafce from iface list |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 869 | * @adapter: Adapter context for which ARP offload is to be configured |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 870 | * |
| 871 | * Return: |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 872 | * ifa - on successful operation, |
| 873 | * NULL - on failure of operation |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 874 | */ |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 875 | static struct in_ifaddr *hdd_get_ipv4_local_interface( |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 876 | struct hdd_adapter *adapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 877 | { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 878 | struct in_ifaddr **ifap = NULL; |
| 879 | struct in_ifaddr *ifa = NULL; |
| 880 | struct in_device *in_dev; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 881 | |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 882 | in_dev = __in_dev_get_rtnl(adapter->dev); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 883 | if (in_dev) { |
| 884 | for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL; |
| 885 | ifap = &ifa->ifa_next) { |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 886 | if (!strcmp(adapter->dev->name, ifa->ifa_label)) { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 887 | /* if match break */ |
| 888 | return ifa; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 889 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 890 | } |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 891 | } |
| 892 | ifa = NULL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 893 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 894 | return ifa; |
| 895 | } |
| 896 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 897 | void hdd_enable_arp_offload(struct hdd_adapter *adapter, |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 898 | enum pmo_offload_trigger trigger) |
| 899 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 900 | struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 901 | struct wlan_objmgr_psoc *psoc = hdd_ctx->hdd_psoc; |
| 902 | QDF_STATUS status; |
| 903 | struct pmo_arp_req *arp_req = NULL; |
| 904 | struct in_ifaddr *ifa = NULL; |
| 905 | |
| 906 | ENTER(); |
| 907 | arp_req = qdf_mem_malloc(sizeof(*arp_req)); |
| 908 | if (!arp_req) { |
| 909 | hdd_err("cannot allocate arp_req"); |
| 910 | goto out; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 911 | } |
Jeff Johnson | 6875531 | 2017-02-10 11:46:55 -0800 | [diff] [blame] | 912 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 913 | arp_req->psoc = psoc; |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 914 | arp_req->vdev_id = adapter->session_id; |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 915 | arp_req->trigger = trigger; |
Jeff Johnson | 6875531 | 2017-02-10 11:46:55 -0800 | [diff] [blame] | 916 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 917 | ifa = hdd_get_ipv4_local_interface(adapter); |
| 918 | if (ifa && ifa->ifa_local) { |
| 919 | arp_req->ipv4_addr = (uint32_t)ifa->ifa_local; |
| 920 | status = pmo_ucfg_cache_arp_offload_req(arp_req); |
| 921 | if (status == QDF_STATUS_SUCCESS) { |
| 922 | status = pmo_ucfg_enable_arp_offload_in_fwr( |
| 923 | adapter->hdd_vdev, trigger); |
| 924 | if (status == QDF_STATUS_SUCCESS) |
| 925 | hdd_wlan_offload_event( |
| 926 | PMO_IPV4_ARP_REPLY_OFFLOAD, |
| 927 | PMO_OFFLOAD_ENABLE); |
| 928 | else |
| 929 | hdd_info("fail to enable arp offload in fwr"); |
| 930 | } else |
| 931 | hdd_info("fail to cache arp offload request"); |
| 932 | } else { |
| 933 | hdd_notice("IP Address is not assigned"); |
| 934 | status = QDF_STATUS_NOT_INITIALIZED; |
| 935 | } |
| 936 | out: |
| 937 | if (arp_req) |
| 938 | qdf_mem_free(arp_req); |
| 939 | EXIT(); |
| 940 | |
| 941 | } |
| 942 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 943 | void hdd_disable_arp_offload(struct hdd_adapter *adapter, |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 944 | enum pmo_offload_trigger trigger) |
| 945 | { |
| 946 | QDF_STATUS status; |
| 947 | |
| 948 | ENTER(); |
| 949 | status = pmo_ucfg_flush_arp_offload_req(adapter->hdd_vdev); |
| 950 | if (status != QDF_STATUS_SUCCESS) { |
| 951 | hdd_err("Failed to flush arp Offload"); |
| 952 | goto out; |
Jeff Johnson | 6875531 | 2017-02-10 11:46:55 -0800 | [diff] [blame] | 953 | } |
| 954 | |
Jeff Johnson | d6d1f63 | 2017-10-06 20:06:10 -0700 | [diff] [blame] | 955 | status = pmo_ucfg_disable_arp_offload_in_fwr(adapter->hdd_vdev, |
| 956 | trigger); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 957 | if (status == QDF_STATUS_SUCCESS) |
| 958 | hdd_wlan_offload_event(PMO_IPV4_ARP_REPLY_OFFLOAD, |
| 959 | PMO_OFFLOAD_DISABLE); |
| 960 | else |
| 961 | hdd_info("fail to disable arp offload"); |
| 962 | out: |
| 963 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 964 | } |
| 965 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 966 | void hdd_enable_mc_addr_filtering(struct hdd_adapter *adapter, |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 967 | enum pmo_offload_trigger trigger) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 968 | { |
Jeff Johnson | 399c627 | 2017-08-30 10:51:00 -0700 | [diff] [blame] | 969 | struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 970 | QDF_STATUS status; |
| 971 | struct wlan_objmgr_psoc *psoc = hdd_ctx->hdd_psoc; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 972 | |
Ravi Joshi | 24477b7 | 2016-07-19 15:45:09 -0700 | [diff] [blame] | 973 | ENTER(); |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 974 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 975 | goto out; |
Ravi Joshi | 24477b7 | 2016-07-19 15:45:09 -0700 | [diff] [blame] | 976 | |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 977 | status = pmo_ucfg_enable_mc_addr_filtering_in_fwr(psoc, |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 978 | adapter->session_id, trigger); |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 979 | if (status != QDF_STATUS_SUCCESS) |
| 980 | hdd_info("failed to enable mc list status %d", status); |
| 981 | out: |
Ravi Joshi | 24477b7 | 2016-07-19 15:45:09 -0700 | [diff] [blame] | 982 | EXIT(); |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 983 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 984 | } |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 985 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 986 | void hdd_disable_mc_addr_filtering(struct hdd_adapter *adapter, |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 987 | enum pmo_offload_trigger trigger) |
| 988 | { |
Jeff Johnson | 399c627 | 2017-08-30 10:51:00 -0700 | [diff] [blame] | 989 | struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 990 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
| 991 | struct wlan_objmgr_psoc *psoc = hdd_ctx->hdd_psoc; |
| 992 | |
| 993 | ENTER(); |
| 994 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 995 | goto out; |
| 996 | |
| 997 | status = pmo_ucfg_disable_mc_addr_filtering_in_fwr(psoc, |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 998 | adapter->session_id, trigger); |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 999 | if (status != QDF_STATUS_SUCCESS) |
| 1000 | hdd_info("failed to disable mc list status %d", status); |
| 1001 | out: |
| 1002 | EXIT(); |
| 1003 | |
| 1004 | } |
| 1005 | |
| 1006 | int hdd_cache_mc_addr_list(struct pmo_mc_addr_list_params *mc_list_config) |
| 1007 | { |
| 1008 | QDF_STATUS status; |
| 1009 | int ret = 0; |
| 1010 | |
| 1011 | ENTER(); |
| 1012 | /* cache mc addr list */ |
| 1013 | status = pmo_ucfg_cache_mc_addr_list(mc_list_config); |
| 1014 | if (status != QDF_STATUS_SUCCESS) { |
| 1015 | hdd_info("fail to cache mc list status %d", status); |
| 1016 | ret = -EINVAL; |
| 1017 | } |
| 1018 | EXIT(); |
| 1019 | |
| 1020 | return ret; |
| 1021 | } |
| 1022 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1023 | void hdd_disable_and_flush_mc_addr_list(struct hdd_adapter *adapter, |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 1024 | enum pmo_offload_trigger trigger) |
| 1025 | { |
Jeff Johnson | 399c627 | 2017-08-30 10:51:00 -0700 | [diff] [blame] | 1026 | struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 1027 | struct wlan_objmgr_psoc *psoc = hdd_ctx->hdd_psoc; |
| 1028 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
| 1029 | |
| 1030 | ENTER(); |
| 1031 | /* disable mc list first */ |
| 1032 | status = pmo_ucfg_disable_mc_addr_filtering_in_fwr(psoc, |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1033 | adapter->session_id, trigger); |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 1034 | if (status != QDF_STATUS_SUCCESS) |
| 1035 | hdd_info("fail to disable mc list"); |
| 1036 | |
| 1037 | /* flush mc list */ |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1038 | status = pmo_ucfg_flush_mc_addr_list(psoc, adapter->session_id); |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 1039 | if (status != QDF_STATUS_SUCCESS) |
| 1040 | hdd_info("fail to flush mc list status %d", status); |
| 1041 | EXIT(); |
| 1042 | |
| 1043 | return; |
| 1044 | |
| 1045 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1046 | |
| 1047 | /** |
Houston Hoffman | 7260ecb | 2015-10-05 18:43:07 -0700 | [diff] [blame] | 1048 | * hdd_update_conn_state_mask(): record info needed by wma_suspend_req |
| 1049 | * @adapter: adapter to get info from |
| 1050 | * @conn_state_mask: mask of connection info |
| 1051 | * |
| 1052 | * currently only need to send connection info. |
| 1053 | */ |
Jeff Johnson | d6d1f63 | 2017-10-06 20:06:10 -0700 | [diff] [blame] | 1054 | static void hdd_update_conn_state_mask(struct hdd_adapter *adapter, |
| 1055 | uint32_t *conn_state_mask) |
Houston Hoffman | 7260ecb | 2015-10-05 18:43:07 -0700 | [diff] [blame] | 1056 | { |
| 1057 | |
| 1058 | eConnectionState connState; |
Jeff Johnson | 40dae4e | 2017-08-29 14:00:25 -0700 | [diff] [blame] | 1059 | struct hdd_station_ctx *sta_ctx; |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 1060 | |
Houston Hoffman | 7260ecb | 2015-10-05 18:43:07 -0700 | [diff] [blame] | 1061 | sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter); |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 1062 | |
Houston Hoffman | 7260ecb | 2015-10-05 18:43:07 -0700 | [diff] [blame] | 1063 | connState = sta_ctx->conn_info.connState; |
| 1064 | |
| 1065 | if (connState == eConnectionState_Associated || |
| 1066 | connState == eConnectionState_IbssConnected) |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1067 | *conn_state_mask |= (1 << adapter->session_id); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1068 | } |
| 1069 | |
| 1070 | /** |
| 1071 | * hdd_suspend_wlan() - Driver suspend function |
| 1072 | * @callback: Callback function to invoke when driver is ready to suspend |
| 1073 | * @callbackContext: Context to pass back to @callback function |
| 1074 | * |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1075 | * Return: 0 on success else error code. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1076 | */ |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1077 | static int |
| 1078 | hdd_suspend_wlan(void) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1079 | { |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1080 | struct hdd_context *hdd_ctx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1081 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1082 | QDF_STATUS status; |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1083 | struct hdd_adapter *adapter = NULL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1084 | hdd_adapter_list_node_t *pAdapterNode = NULL, *pNext = NULL; |
Houston Hoffman | 7260ecb | 2015-10-05 18:43:07 -0700 | [diff] [blame] | 1085 | uint32_t conn_state_mask = 0; |
Jeff Johnson | 4f7f7c6 | 2017-10-05 08:53:41 -0700 | [diff] [blame] | 1086 | |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1087 | hdd_info("WLAN being suspended by OS"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1088 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1089 | hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
| 1090 | if (!hdd_ctx) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1091 | hdd_err("HDD context is Null"); |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1092 | return -EINVAL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1093 | } |
| 1094 | |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 1095 | if (cds_is_driver_recovering() || cds_is_driver_in_bad_state()) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1096 | hdd_info("Recovery in Progress. State: 0x%x Ignore suspend!!!", |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 1097 | cds_get_driver_state()); |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1098 | return -EINVAL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1099 | } |
| 1100 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1101 | status = hdd_get_front_adapter(hdd_ctx, &pAdapterNode); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1102 | while (NULL != pAdapterNode && QDF_STATUS_SUCCESS == status) { |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1103 | adapter = pAdapterNode->adapter; |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1104 | if (wlan_hdd_validate_session_id(adapter->session_id)) { |
| 1105 | hdd_err("invalid session id: %d", adapter->session_id); |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1106 | goto next_adapter; |
| 1107 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1108 | |
| 1109 | /* stop all TX queues before suspend */ |
Srinivas Girigowda | 6598eea | 2017-07-06 19:26:19 -0700 | [diff] [blame] | 1110 | hdd_info("Disabling queues"); |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1111 | wlan_hdd_netif_queue_control(adapter, |
Himanshu Agarwal | 865201d | 2017-04-12 15:45:31 +0530 | [diff] [blame] | 1112 | WLAN_STOP_ALL_NETIF_QUEUE, |
| 1113 | WLAN_CONTROL_PATH); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1114 | |
Hanumanth Reddy Pothula | 3def894 | 2017-10-05 16:19:36 +0530 | [diff] [blame] | 1115 | if (adapter->device_mode == QDF_STA_MODE) |
| 1116 | status = hdd_enable_default_pkt_filters(adapter); |
| 1117 | |
Houston Hoffman | 7260ecb | 2015-10-05 18:43:07 -0700 | [diff] [blame] | 1118 | /* Configure supported OffLoads */ |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1119 | hdd_enable_host_offloads(adapter, pmo_apps_suspend); |
| 1120 | hdd_update_conn_state_mask(adapter, &conn_state_mask); |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1121 | next_adapter: |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1122 | status = hdd_get_next_adapter(hdd_ctx, pAdapterNode, &pNext); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1123 | pAdapterNode = pNext; |
| 1124 | } |
| 1125 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1126 | status = pmo_ucfg_psoc_user_space_suspend_req(hdd_ctx->hdd_psoc, |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1127 | QDF_SYSTEM_SUSPEND); |
| 1128 | if (status != QDF_STATUS_SUCCESS) |
| 1129 | return -EAGAIN; |
Houston Hoffman | 7260ecb | 2015-10-05 18:43:07 -0700 | [diff] [blame] | 1130 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1131 | hdd_ctx->hdd_wlan_suspended = true; |
Abhishek Singh | baea27d | 2016-04-27 13:29:30 +0530 | [diff] [blame] | 1132 | hdd_wlan_suspend_resume_event(HDD_WLAN_EARLY_SUSPEND); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1133 | |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1134 | return 0; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1135 | } |
| 1136 | |
| 1137 | /** |
| 1138 | * hdd_resume_wlan() - Driver resume function |
| 1139 | * |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1140 | * Return: 0 on success else error code. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1141 | */ |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1142 | static int hdd_resume_wlan(void) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1143 | { |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1144 | struct hdd_context *hdd_ctx; |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1145 | struct hdd_adapter *adapter = NULL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1146 | hdd_adapter_list_node_t *pAdapterNode = NULL, *pNext = NULL; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1147 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1148 | |
Dustin Brown | 2d22823 | 2016-09-22 15:06:19 -0700 | [diff] [blame] | 1149 | hdd_info("WLAN being resumed by OS"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1150 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1151 | hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
| 1152 | if (!hdd_ctx) { |
Dustin Brown | 2d22823 | 2016-09-22 15:06:19 -0700 | [diff] [blame] | 1153 | hdd_err("HDD context is Null"); |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1154 | return -EINVAL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1155 | } |
| 1156 | |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 1157 | if (cds_is_driver_recovering() || cds_is_driver_in_bad_state()) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1158 | hdd_info("Recovery in Progress. State: 0x%x Ignore resume!!!", |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 1159 | cds_get_driver_state()); |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1160 | return -EINVAL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1161 | } |
| 1162 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1163 | hdd_ctx->hdd_wlan_suspended = false; |
Abhishek Singh | baea27d | 2016-04-27 13:29:30 +0530 | [diff] [blame] | 1164 | hdd_wlan_suspend_resume_event(HDD_WLAN_EARLY_RESUME); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1165 | |
| 1166 | /*loop through all adapters. Concurrency */ |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1167 | status = hdd_get_front_adapter(hdd_ctx, &pAdapterNode); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1168 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1169 | while (NULL != pAdapterNode && QDF_STATUS_SUCCESS == status) { |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1170 | adapter = pAdapterNode->adapter; |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1171 | if (wlan_hdd_validate_session_id(adapter->session_id)) { |
| 1172 | hdd_err("invalid session id: %d", adapter->session_id); |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1173 | goto next_adapter; |
| 1174 | } |
| 1175 | /* Disable supported OffLoads */ |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1176 | hdd_disable_host_offloads(adapter, pmo_apps_resume); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1177 | |
| 1178 | /* wake the tx queues */ |
Dustin Brown | 2d22823 | 2016-09-22 15:06:19 -0700 | [diff] [blame] | 1179 | hdd_info("Enabling queues"); |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1180 | wlan_hdd_netif_queue_control(adapter, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1181 | WLAN_WAKE_ALL_NETIF_QUEUE, |
| 1182 | WLAN_CONTROL_PATH); |
| 1183 | |
Hanumanth Reddy Pothula | 3def894 | 2017-10-05 16:19:36 +0530 | [diff] [blame] | 1184 | if (adapter->device_mode == QDF_STA_MODE) |
| 1185 | status = hdd_disable_default_pkt_filters(adapter); |
| 1186 | |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1187 | next_adapter: |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1188 | status = hdd_get_next_adapter(hdd_ctx, pAdapterNode, &pNext); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1189 | pAdapterNode = pNext; |
| 1190 | } |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1191 | hdd_ipa_resume(hdd_ctx); |
| 1192 | status = pmo_ucfg_psoc_user_space_resume_req(hdd_ctx->hdd_psoc, |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1193 | QDF_SYSTEM_SUSPEND); |
| 1194 | if (status != QDF_STATUS_SUCCESS) |
| 1195 | return -EAGAIN; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1196 | |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1197 | return 0; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1198 | } |
| 1199 | |
| 1200 | /** |
Komal Seelam | 78ff65a | 2016-08-18 15:25:24 +0530 | [diff] [blame] | 1201 | * hdd_svc_fw_shutdown_ind() - API to send FW SHUTDOWN IND to Userspace |
| 1202 | * |
| 1203 | * @dev: Device Pointer |
| 1204 | * |
| 1205 | * Return: None |
| 1206 | */ |
| 1207 | void hdd_svc_fw_shutdown_ind(struct device *dev) |
| 1208 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1209 | struct hdd_context *hdd_ctx; |
Komal Seelam | 78ff65a | 2016-08-18 15:25:24 +0530 | [diff] [blame] | 1210 | |
| 1211 | hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
| 1212 | |
| 1213 | hdd_ctx ? wlan_hdd_send_svc_nlink_msg(hdd_ctx->radio_index, |
| 1214 | WLAN_SVC_FW_SHUTDOWN_IND, |
| 1215 | NULL, 0) : 0; |
| 1216 | } |
| 1217 | |
| 1218 | /** |
Arun Khandavalli | cc544b3 | 2017-01-30 19:52:16 +0530 | [diff] [blame] | 1219 | * hdd_ssr_restart_sap() - restart sap on SSR |
| 1220 | * @hdd_ctx: hdd context |
| 1221 | * |
| 1222 | * Return: nothing |
| 1223 | */ |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1224 | static void hdd_ssr_restart_sap(struct hdd_context *hdd_ctx) |
Arun Khandavalli | cc544b3 | 2017-01-30 19:52:16 +0530 | [diff] [blame] | 1225 | { |
| 1226 | QDF_STATUS status; |
| 1227 | hdd_adapter_list_node_t *adapter_node = NULL, *next = NULL; |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1228 | struct hdd_adapter *adapter; |
Arun Khandavalli | cc544b3 | 2017-01-30 19:52:16 +0530 | [diff] [blame] | 1229 | |
| 1230 | ENTER(); |
| 1231 | |
| 1232 | status = hdd_get_front_adapter(hdd_ctx, &adapter_node); |
| 1233 | while (NULL != adapter_node && QDF_STATUS_SUCCESS == status) { |
Jeff Johnson | 57eb273 | 2017-10-02 11:40:20 -0700 | [diff] [blame] | 1234 | adapter = adapter_node->adapter; |
Arun Khandavalli | cc544b3 | 2017-01-30 19:52:16 +0530 | [diff] [blame] | 1235 | if (adapter && adapter->device_mode == QDF_SAP_MODE) { |
Manikandan Mohan | 0a0ac95 | 2017-02-16 15:49:31 -0800 | [diff] [blame] | 1236 | if (test_bit(SOFTAP_INIT_DONE, &adapter->event_flags)) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1237 | hdd_debug("Restart prev SAP session"); |
Manikandan Mohan | 0a0ac95 | 2017-02-16 15:49:31 -0800 | [diff] [blame] | 1238 | wlan_hdd_start_sap(adapter, true); |
| 1239 | } |
Arun Khandavalli | cc544b3 | 2017-01-30 19:52:16 +0530 | [diff] [blame] | 1240 | } |
| 1241 | status = hdd_get_next_adapter(hdd_ctx, adapter_node, &next); |
| 1242 | adapter_node = next; |
| 1243 | } |
| 1244 | |
| 1245 | EXIT(); |
| 1246 | } |
| 1247 | |
| 1248 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1249 | * hdd_wlan_shutdown() - HDD SSR shutdown function |
| 1250 | * |
| 1251 | * This function is called by the HIF to shutdown the driver during SSR. |
| 1252 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1253 | * Return: QDF_STATUS_SUCCESS if the driver was shut down, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1254 | * or an error status otherwise |
| 1255 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1256 | QDF_STATUS hdd_wlan_shutdown(void) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1257 | { |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1258 | struct hdd_context *hdd_ctx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1259 | p_cds_sched_context cds_sched_context = NULL; |
Manikandan Mohan | 8b4e201 | 2017-03-22 11:15:55 -0700 | [diff] [blame] | 1260 | void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1261 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1262 | hdd_info("WLAN driver shutting down!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1263 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1264 | /* Get the HDD context. */ |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1265 | hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
| 1266 | if (!hdd_ctx) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1267 | hdd_err("HDD context is Null"); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1268 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1269 | } |
| 1270 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1271 | policy_mgr_clear_concurrent_session_count(hdd_ctx->hdd_psoc); |
Himanshu Agarwal | f65bd4c | 2016-12-05 17:21:12 +0530 | [diff] [blame] | 1272 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1273 | hdd_debug("Invoking packetdump deregistration API"); |
Himanshu Agarwal | f65bd4c | 2016-12-05 17:21:12 +0530 | [diff] [blame] | 1274 | wlan_deregister_txrx_packetdump(); |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1275 | wlan_cfg80211_cleanup_scan_queue(hdd_ctx->hdd_pdev); |
| 1276 | hdd_reset_all_adapters(hdd_ctx); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1277 | |
Poddar, Siddarth | 1ab0a3d | 2016-09-29 18:58:45 +0530 | [diff] [blame] | 1278 | /* Flush cached rx frame queue */ |
Manikandan Mohan | 8b4e201 | 2017-03-22 11:15:55 -0700 | [diff] [blame] | 1279 | if (soc) |
| 1280 | cdp_flush_cache_rx_queue(soc); |
Poddar, Siddarth | 1ab0a3d | 2016-09-29 18:58:45 +0530 | [diff] [blame] | 1281 | |
Arun Khandavalli | 4b55da7 | 2016-07-19 19:55:01 +0530 | [diff] [blame] | 1282 | /* De-register the HDD callbacks */ |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1283 | hdd_deregister_cb(hdd_ctx); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1284 | |
| 1285 | cds_sched_context = get_cds_sched_ctxt(); |
| 1286 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1287 | if (hdd_ctx->is_scheduler_suspended) { |
Rajeev Kumar | 0b73295 | 2016-12-08 17:51:39 -0800 | [diff] [blame] | 1288 | scheduler_resume(); |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1289 | hdd_ctx->is_scheduler_suspended = false; |
Jeff Johnson | 214671b | 2017-10-30 19:45:23 -0700 | [diff] [blame] | 1290 | hdd_ctx->is_wiphy_suspended = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1291 | } |
| 1292 | #ifdef QCA_CONFIG_SMP |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1293 | if (true == hdd_ctx->is_ol_rx_thread_suspended) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1294 | complete(&cds_sched_context->ol_resume_rx_event); |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1295 | hdd_ctx->is_ol_rx_thread_suspended = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1296 | } |
| 1297 | #endif |
| 1298 | |
Manikandan Mohan | 71844ea | 2017-07-05 21:51:08 -0700 | [diff] [blame] | 1299 | hdd_ipa_uc_ssr_deinit(); |
Nitesh Shah | 61c10d9 | 2016-10-19 19:29:15 +0530 | [diff] [blame] | 1300 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1301 | hdd_bus_bandwidth_destroy(hdd_ctx); |
Prashanth Bhatta | ab00438 | 2016-10-11 16:08:11 -0700 | [diff] [blame] | 1302 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1303 | hdd_wlan_stop_modules(hdd_ctx, false); |
Manishekar Chandrasekaran | f7a1dad | 2016-06-23 06:43:47 +0530 | [diff] [blame] | 1304 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1305 | hdd_lpass_notify_stop(hdd_ctx); |
Yuanyuan Liu | 3e918e5 | 2016-08-17 15:41:35 -0700 | [diff] [blame] | 1306 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1307 | wlan_objmgr_print_ref_all_objects_per_psoc(hdd_ctx->hdd_psoc); |
Yue Ma | 2be1287 | 2017-06-02 13:06:58 -0700 | [diff] [blame] | 1308 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1309 | hdd_info("WLAN driver shutdown complete"); |
Yue Ma | 2be1287 | 2017-06-02 13:06:58 -0700 | [diff] [blame] | 1310 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1311 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1312 | } |
| 1313 | |
Sen, Devendra | 154b3c4 | 2017-02-13 20:44:15 +0530 | [diff] [blame] | 1314 | #ifdef FEATURE_WLAN_DIAG_SUPPORT |
| 1315 | /** |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 1316 | * hdd_wlan_ssr_reinit_event()- send ssr reinit state |
| 1317 | * |
| 1318 | * This Function send send ssr reinit state diag event |
| 1319 | * |
| 1320 | * Return: void. |
| 1321 | */ |
Sen, Devendra | 154b3c4 | 2017-02-13 20:44:15 +0530 | [diff] [blame] | 1322 | static void hdd_wlan_ssr_reinit_event(void) |
| 1323 | { |
| 1324 | WLAN_HOST_DIAG_EVENT_DEF(ssr_reinit, struct host_event_wlan_ssr_reinit); |
| 1325 | qdf_mem_zero(&ssr_reinit, sizeof(ssr_reinit)); |
| 1326 | ssr_reinit.status = SSR_SUB_SYSTEM_REINIT; |
| 1327 | WLAN_HOST_DIAG_EVENT_REPORT(&ssr_reinit, |
| 1328 | EVENT_WLAN_SSR_REINIT_SUBSYSTEM); |
| 1329 | } |
| 1330 | #else |
| 1331 | static inline void hdd_wlan_ssr_reinit_event(void) |
| 1332 | { |
| 1333 | |
| 1334 | } |
| 1335 | #endif |
| 1336 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1337 | /** |
yeshwanth sriram guntuka | ea63f63 | 2017-08-30 19:31:56 +0530 | [diff] [blame] | 1338 | * hdd_send_default_scan_ies - send default scan ies to fw |
| 1339 | * |
| 1340 | * This function is used to send default scan ies to fw |
| 1341 | * in case of wlan re-init |
| 1342 | * |
| 1343 | * Return: void |
| 1344 | */ |
| 1345 | static void hdd_send_default_scan_ies(struct hdd_context *hdd_ctx) |
| 1346 | { |
| 1347 | hdd_adapter_list_node_t *adapter_node, *next; |
| 1348 | struct hdd_adapter *adapter; |
| 1349 | QDF_STATUS status; |
| 1350 | |
| 1351 | status = hdd_get_front_adapter(hdd_ctx, &adapter_node); |
| 1352 | while (NULL != adapter_node && QDF_STATUS_SUCCESS == status) { |
Jeff Johnson | 57eb273 | 2017-10-02 11:40:20 -0700 | [diff] [blame] | 1353 | adapter = adapter_node->adapter; |
yeshwanth sriram guntuka | ea63f63 | 2017-08-30 19:31:56 +0530 | [diff] [blame] | 1354 | if (hdd_is_interface_up(adapter) && |
| 1355 | (adapter->device_mode == QDF_STA_MODE || |
| 1356 | adapter->device_mode == QDF_P2P_DEVICE_MODE)) { |
| 1357 | sme_set_default_scan_ie(hdd_ctx->hHal, |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1358 | adapter->session_id, |
yeshwanth sriram guntuka | ea63f63 | 2017-08-30 19:31:56 +0530 | [diff] [blame] | 1359 | adapter->scan_info.default_scan_ies, |
| 1360 | adapter->scan_info.default_scan_ies_len); |
| 1361 | } |
| 1362 | status = hdd_get_next_adapter(hdd_ctx, adapter_node, |
| 1363 | &next); |
| 1364 | adapter_node = next; |
| 1365 | } |
| 1366 | } |
| 1367 | |
| 1368 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1369 | * hdd_wlan_re_init() - HDD SSR re-init function |
| 1370 | * |
| 1371 | * This function is called by the HIF to re-initialize the driver after SSR. |
| 1372 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1373 | * Return: QDF_STATUS_SUCCESS if the driver was re-initialized, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1374 | * or an error status otherwise |
| 1375 | */ |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1376 | QDF_STATUS hdd_wlan_re_init(void) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1377 | { |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1378 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1379 | struct hdd_context *hdd_ctx = NULL; |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1380 | struct hdd_adapter *adapter; |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1381 | int ret; |
Mukul Sharma | f7d62e1 | 2016-09-03 15:16:22 +0530 | [diff] [blame] | 1382 | bool bug_on_reinit_failure = CFG_BUG_ON_REINIT_FAILURE_DEFAULT; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1383 | |
| 1384 | hdd_prevent_suspend(WIFI_POWER_EVENT_WAKELOCK_DRIVER_REINIT); |
| 1385 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1386 | /* Get the HDD context */ |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1387 | hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
| 1388 | if (!hdd_ctx) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1389 | hdd_err("HDD context is Null"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1390 | goto err_re_init; |
| 1391 | } |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1392 | bug_on_reinit_failure = hdd_ctx->config->bug_on_reinit_failure; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1393 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1394 | /* The driver should always be initialized in STA mode after SSR */ |
| 1395 | hdd_set_conparam(0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1396 | /* Try to get an adapter from mode ID */ |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1397 | adapter = hdd_get_adapter(hdd_ctx, QDF_STA_MODE); |
| 1398 | if (!adapter) { |
| 1399 | adapter = hdd_get_adapter(hdd_ctx, QDF_SAP_MODE); |
| 1400 | if (!adapter) { |
| 1401 | adapter = hdd_get_adapter(hdd_ctx, QDF_IBSS_MODE); |
| 1402 | if (!adapter) { |
| 1403 | adapter = hdd_get_adapter(hdd_ctx, |
| 1404 | QDF_MONITOR_MODE); |
| 1405 | if (!adapter) |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1406 | hdd_err("Failed to get Adapter!"); |
Arunk Khandavalli | 062fb03 | 2017-10-04 12:18:15 +0530 | [diff] [blame] | 1407 | } |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 1408 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1409 | } |
| 1410 | } |
| 1411 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1412 | if (hdd_ctx->config->enable_dp_trace) |
| 1413 | hdd_dp_trace_init(hdd_ctx->config); |
Nirav Shah | cc1f1ae | 2016-04-26 11:41:29 +0530 | [diff] [blame] | 1414 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1415 | hdd_bus_bandwidth_init(hdd_ctx); |
Prashanth Bhatta | ab00438 | 2016-10-11 16:08:11 -0700 | [diff] [blame] | 1416 | |
Arun Khandavalli | cc544b3 | 2017-01-30 19:52:16 +0530 | [diff] [blame] | 1417 | |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1418 | ret = hdd_wlan_start_modules(hdd_ctx, adapter, true); |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1419 | if (ret) { |
| 1420 | hdd_err("Failed to start wlan after error"); |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 1421 | goto err_re_init; |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1422 | } |
| 1423 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1424 | hdd_wlan_get_version(hdd_ctx, NULL, NULL); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1425 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1426 | wlan_hdd_send_svc_nlink_msg(hdd_ctx->radio_index, |
Wu Gao | 3671743 | 2016-11-21 15:09:48 +0800 | [diff] [blame] | 1427 | WLAN_SVC_FW_CRASHED_IND, NULL, 0); |
| 1428 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1429 | /* Restart all adapters */ |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1430 | hdd_start_all_adapters(hdd_ctx); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1431 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1432 | hdd_ctx->last_scan_reject_session_id = 0xFF; |
| 1433 | hdd_ctx->last_scan_reject_reason = 0; |
| 1434 | hdd_ctx->last_scan_reject_timestamp = 0; |
| 1435 | hdd_ctx->scan_reject_cnt = 0; |
Sreelakshmi Konamki | b53c629 | 2017-03-01 13:13:23 +0530 | [diff] [blame] | 1436 | |
Selvaraj, Sridhar | 1c48756 | 2017-04-19 14:29:07 +0530 | [diff] [blame] | 1437 | hdd_set_roaming_in_progress(false); |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1438 | complete(&adapter->roaming_comp_var); |
Jeff Johnson | 59b1931 | 2017-11-02 21:14:33 -0700 | [diff] [blame] | 1439 | hdd_ctx->bt_coex_mode_set = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1440 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1441 | /* Allow the phone to go to sleep */ |
| 1442 | hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_DRIVER_REINIT); |
Ravi Kumar Bokka | 05c14e5 | 2017-03-27 14:48:23 +0530 | [diff] [blame] | 1443 | /* set chip power save failure detected callback */ |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1444 | sme_set_chip_pwr_save_fail_cb(hdd_ctx->hHal, |
Ravi Kumar Bokka | 05c14e5 | 2017-03-27 14:48:23 +0530 | [diff] [blame] | 1445 | hdd_chip_pwr_save_fail_detected_cb); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1446 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1447 | ret = hdd_register_cb(hdd_ctx); |
Arun Khandavalli | 4b55da7 | 2016-07-19 19:55:01 +0530 | [diff] [blame] | 1448 | if (ret) { |
| 1449 | hdd_err("Failed to register HDD callbacks!"); |
Chandrasekaran Manishekar | cde33d7 | 2016-04-14 19:03:39 +0530 | [diff] [blame] | 1450 | goto err_cds_disable; |
Arun Khandavalli | 4b55da7 | 2016-07-19 19:55:01 +0530 | [diff] [blame] | 1451 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1452 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1453 | hdd_lpass_notify_start(hdd_ctx); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1454 | |
yeshwanth sriram guntuka | ea63f63 | 2017-08-30 19:31:56 +0530 | [diff] [blame] | 1455 | hdd_send_default_scan_ies(hdd_ctx); |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1456 | hdd_info("WLAN host driver reinitiation completed!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1457 | goto success; |
| 1458 | |
| 1459 | err_cds_disable: |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1460 | hdd_wlan_stop_modules(hdd_ctx, false); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1461 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1462 | err_re_init: |
| 1463 | /* Allow the phone to go to sleep */ |
| 1464 | hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_DRIVER_REINIT); |
Mukul Sharma | f7d62e1 | 2016-09-03 15:16:22 +0530 | [diff] [blame] | 1465 | if (bug_on_reinit_failure) |
| 1466 | QDF_BUG(0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1467 | return -EPERM; |
| 1468 | |
| 1469 | success: |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1470 | if (hdd_ctx->config->sap_internal_restart) |
| 1471 | hdd_ssr_restart_sap(hdd_ctx); |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 1472 | |
Sen, Devendra | 154b3c4 | 2017-02-13 20:44:15 +0530 | [diff] [blame] | 1473 | hdd_wlan_ssr_reinit_event(); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1474 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1475 | } |
| 1476 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1477 | int wlan_hdd_set_powersave(struct hdd_adapter *adapter, |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1478 | bool allow_power_save, uint32_t timeout) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1479 | { |
| 1480 | tHalHandle hal; |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1481 | struct hdd_context *hdd_ctx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1482 | |
| 1483 | if (NULL == adapter) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1484 | hdd_err("Adapter NULL"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1485 | return -ENODEV; |
| 1486 | } |
| 1487 | |
| 1488 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 1489 | if (!hdd_ctx) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1490 | hdd_err("hdd context is NULL"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1491 | return -EINVAL; |
| 1492 | } |
| 1493 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1494 | hdd_debug("Allow power save: %d", allow_power_save); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1495 | hal = WLAN_HDD_GET_HAL_CTX(adapter); |
| 1496 | |
Dustin Brown | 84411b0 | 2017-07-21 16:44:44 -0700 | [diff] [blame] | 1497 | /* |
| 1498 | * This is a workaround for defective AP's that send a disassoc |
| 1499 | * immediately after WPS connection completes. Defer powersave by a |
| 1500 | * small amount if the affected AP is detected. |
| 1501 | */ |
| 1502 | if (allow_power_save && |
| 1503 | adapter->device_mode == QDF_STA_MODE && |
Jeff Johnson | b942486 | 2017-10-30 08:49:35 -0700 | [diff] [blame] | 1504 | !adapter->session.station.ap_supports_immediate_power_save) { |
Dustin Brown | 84411b0 | 2017-07-21 16:44:44 -0700 | [diff] [blame] | 1505 | timeout = AUTO_PS_DEFER_TIMEOUT_MS; |
| 1506 | hdd_debug("Defer power-save due to AP spec non-conformance"); |
Krunal Soni | 364e087 | 2017-05-10 21:24:34 -0700 | [diff] [blame] | 1507 | } |
| 1508 | |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1509 | if (allow_power_save) { |
| 1510 | if (QDF_STA_MODE == adapter->device_mode || |
| 1511 | QDF_P2P_CLIENT_MODE == adapter->device_mode) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1512 | hdd_debug("Disabling Auto Power save timer"); |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1513 | sme_ps_disable_auto_ps_timer( |
| 1514 | WLAN_HDD_GET_HAL_CTX(adapter), |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1515 | adapter->session_id); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1516 | } |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1517 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1518 | if (hdd_ctx->config && hdd_ctx->config->is_ps_enabled) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1519 | hdd_debug("Wlan driver Entering Power save"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1520 | |
| 1521 | /* |
| 1522 | * Enter Power Save command received from GUI |
| 1523 | * this means DHCP is completed |
| 1524 | */ |
Yeshwanth Sriram Guntuka | ae03c43 | 2017-11-12 13:31:02 +0530 | [diff] [blame] | 1525 | if (timeout) |
| 1526 | sme_ps_enable_auto_ps_timer(hal, |
| 1527 | adapter->session_id, |
| 1528 | timeout); |
| 1529 | else |
| 1530 | sme_ps_enable_disable(hal, adapter->session_id, |
| 1531 | SME_PS_ENABLE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1532 | } else { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1533 | hdd_debug("Power Save is not enabled in the cfg"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1534 | } |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1535 | } else { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1536 | hdd_debug("Wlan driver Entering Full Power"); |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1537 | |
| 1538 | /* |
| 1539 | * Enter Full power command received from GUI |
| 1540 | * this means we are disconnected |
| 1541 | */ |
| 1542 | sme_ps_disable_auto_ps_timer(WLAN_HDD_GET_HAL_CTX(adapter), |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1543 | adapter->session_id); |
| 1544 | sme_ps_enable_disable(hal, adapter->session_id, SME_PS_DISABLE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1545 | } |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1546 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1547 | return 0; |
| 1548 | } |
| 1549 | |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1550 | static void wlan_hdd_print_suspend_fail_stats(struct hdd_context *hdd_ctx) |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 1551 | { |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1552 | struct suspend_resume_stats *stats = &hdd_ctx->suspend_resume_stats; |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 1553 | |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 1554 | hdd_err("ipa:%d, radar:%d, roam:%d, scan:%d, initial_wakeup:%d", |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1555 | stats->suspend_fail[SUSPEND_FAIL_IPA], |
| 1556 | stats->suspend_fail[SUSPEND_FAIL_RADAR], |
| 1557 | stats->suspend_fail[SUSPEND_FAIL_ROAM], |
| 1558 | stats->suspend_fail[SUSPEND_FAIL_SCAN], |
| 1559 | stats->suspend_fail[SUSPEND_FAIL_INITIAL_WAKEUP]); |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 1560 | } |
| 1561 | |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1562 | void wlan_hdd_inc_suspend_stats(struct hdd_context *hdd_ctx, |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 1563 | enum suspend_fail_reason reason) |
| 1564 | { |
| 1565 | wlan_hdd_print_suspend_fail_stats(hdd_ctx); |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1566 | hdd_ctx->suspend_resume_stats.suspend_fail[reason]++; |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 1567 | wlan_hdd_print_suspend_fail_stats(hdd_ctx); |
| 1568 | } |
| 1569 | |
Dustin Brown | 5fbb105 | 2017-08-11 17:25:51 -0700 | [diff] [blame] | 1570 | #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0) |
| 1571 | static inline void |
| 1572 | hdd_sched_scan_results(struct wiphy *wiphy, uint64_t reqid) |
| 1573 | { |
| 1574 | cfg80211_sched_scan_results(wiphy); |
| 1575 | } |
| 1576 | #else |
| 1577 | static inline void |
| 1578 | hdd_sched_scan_results(struct wiphy *wiphy, uint64_t reqid) |
| 1579 | { |
| 1580 | cfg80211_sched_scan_results(wiphy, reqid); |
| 1581 | } |
| 1582 | #endif |
| 1583 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1584 | /** |
| 1585 | * __wlan_hdd_cfg80211_resume_wlan() - cfg80211 resume callback |
| 1586 | * @wiphy: Pointer to wiphy |
| 1587 | * |
| 1588 | * This API is called when cfg80211 driver resumes driver updates |
| 1589 | * latest sched_scan scan result(if any) to cfg80211 database |
| 1590 | * |
| 1591 | * Return: integer status |
| 1592 | */ |
| 1593 | static int __wlan_hdd_cfg80211_resume_wlan(struct wiphy *wiphy) |
| 1594 | { |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1595 | struct hdd_context *hdd_ctx = wiphy_priv(wiphy); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1596 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1597 | int exit_code; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1598 | p_cds_sched_context cds_sched_context = get_cds_sched_ctxt(); |
| 1599 | |
| 1600 | ENTER(); |
| 1601 | |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1602 | if (cds_is_driver_recovering()) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1603 | hdd_debug("Driver is recovering; Skipping resume"); |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1604 | exit_code = 0; |
| 1605 | goto exit_with_code; |
| 1606 | } |
Prashanth Bhatta | 697dd0c | 2016-10-20 18:42:41 -0700 | [diff] [blame] | 1607 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1608 | if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1609 | hdd_err("Command not allowed in FTM mode"); |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1610 | exit_code = -EINVAL; |
| 1611 | goto exit_with_code; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1612 | } |
| 1613 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1614 | exit_code = wlan_hdd_validate_context(hdd_ctx); |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1615 | if (exit_code) { |
| 1616 | hdd_err("Invalid HDD context"); |
| 1617 | goto exit_with_code; |
| 1618 | } |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1619 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1620 | mutex_lock(&hdd_ctx->iface_change_lock); |
| 1621 | if (hdd_ctx->driver_status != DRIVER_MODULES_ENABLED) { |
| 1622 | mutex_unlock(&hdd_ctx->iface_change_lock); |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1623 | hdd_debug("Driver is not enabled; Skipping resume"); |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1624 | exit_code = 0; |
| 1625 | goto exit_with_code; |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1626 | } |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1627 | mutex_unlock(&hdd_ctx->iface_change_lock); |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1628 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1629 | pld_request_bus_bandwidth(hdd_ctx->parent_dev, PLD_BUS_WIDTH_MEDIUM); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1630 | |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1631 | status = hdd_resume_wlan(); |
| 1632 | if (status != QDF_STATUS_SUCCESS) { |
| 1633 | exit_code = 0; |
| 1634 | goto exit_with_code; |
| 1635 | } |
Rajeev Kumar | eada0d0 | 2016-12-08 17:44:17 -0800 | [diff] [blame] | 1636 | /* Resume control path scheduler */ |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1637 | if (hdd_ctx->is_scheduler_suspended) { |
Rajeev Kumar | 0b73295 | 2016-12-08 17:51:39 -0800 | [diff] [blame] | 1638 | scheduler_resume(); |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1639 | hdd_ctx->is_scheduler_suspended = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1640 | } |
| 1641 | #ifdef QCA_CONFIG_SMP |
| 1642 | /* Resume tlshim Rx thread */ |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1643 | if (hdd_ctx->is_ol_rx_thread_suspended) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1644 | complete(&cds_sched_context->ol_resume_rx_event); |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1645 | hdd_ctx->is_ol_rx_thread_suspended = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1646 | } |
| 1647 | #endif |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1648 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1649 | MTRACE(qdf_trace(QDF_MODULE_ID_HDD, |
Sreelakshmi Konamki | 6744cff | 2015-09-07 12:10:39 +0530 | [diff] [blame] | 1650 | TRACE_CODE_HDD_CFG80211_RESUME_WLAN, |
Jeff Johnson | 214671b | 2017-10-30 19:45:23 -0700 | [diff] [blame] | 1651 | NO_SESSION, hdd_ctx->is_wiphy_suspended)); |
Jeff Johnson | 214671b | 2017-10-30 19:45:23 -0700 | [diff] [blame] | 1652 | hdd_ctx->is_wiphy_suspended = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1653 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1654 | hdd_ctx->suspend_resume_stats.resumes++; |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1655 | exit_code = 0; |
| 1656 | |
| 1657 | exit_with_code: |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 1658 | EXIT(); |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1659 | return exit_code; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1660 | } |
| 1661 | |
| 1662 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1663 | * wlan_hdd_cfg80211_resume_wlan() - cfg80211 resume callback |
| 1664 | * @wiphy: Pointer to wiphy |
| 1665 | * |
| 1666 | * This API is called when cfg80211 driver resumes driver updates |
| 1667 | * latest sched_scan scan result(if any) to cfg80211 database |
| 1668 | * |
| 1669 | * Return: integer status |
| 1670 | */ |
| 1671 | int wlan_hdd_cfg80211_resume_wlan(struct wiphy *wiphy) |
| 1672 | { |
| 1673 | int ret; |
| 1674 | |
| 1675 | cds_ssr_protect(__func__); |
| 1676 | ret = __wlan_hdd_cfg80211_resume_wlan(wiphy); |
| 1677 | cds_ssr_unprotect(__func__); |
| 1678 | |
| 1679 | return ret; |
| 1680 | } |
| 1681 | |
Krunal Soni | d32c6bc | 2016-10-18 18:00:21 -0700 | [diff] [blame] | 1682 | static void hdd_suspend_cb(void) |
| 1683 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1684 | struct hdd_context *hdd_ctx; |
Krunal Soni | d32c6bc | 2016-10-18 18:00:21 -0700 | [diff] [blame] | 1685 | |
| 1686 | hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
| 1687 | if (!hdd_ctx) { |
Jeff Johnson | 6867ec3 | 2017-09-29 20:30:20 -0700 | [diff] [blame] | 1688 | hdd_err("HDD context is NULL"); |
Krunal Soni | d32c6bc | 2016-10-18 18:00:21 -0700 | [diff] [blame] | 1689 | return; |
| 1690 | } |
| 1691 | |
| 1692 | complete(&hdd_ctx->mc_sus_event_var); |
| 1693 | } |
| 1694 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1695 | /** |
| 1696 | * __wlan_hdd_cfg80211_suspend_wlan() - cfg80211 suspend callback |
| 1697 | * @wiphy: Pointer to wiphy |
| 1698 | * @wow: Pointer to wow |
| 1699 | * |
| 1700 | * This API is called when cfg80211 driver suspends |
| 1701 | * |
| 1702 | * Return: integer status |
| 1703 | */ |
| 1704 | static int __wlan_hdd_cfg80211_suspend_wlan(struct wiphy *wiphy, |
| 1705 | struct cfg80211_wowlan *wow) |
| 1706 | { |
| 1707 | #ifdef QCA_CONFIG_SMP |
| 1708 | #define RX_TLSHIM_SUSPEND_TIMEOUT 200 /* msecs */ |
| 1709 | #endif |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1710 | struct hdd_context *hdd_ctx = wiphy_priv(wiphy); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1711 | p_cds_sched_context cds_sched_context = get_cds_sched_ctxt(); |
| 1712 | hdd_adapter_list_node_t *pAdapterNode = NULL, *pNext = NULL; |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1713 | struct hdd_adapter *adapter; |
Jeff Johnson | 5287de5 | 2017-10-28 12:23:06 -0700 | [diff] [blame] | 1714 | struct hdd_scan_info *scan_info; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1715 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1716 | int rc; |
| 1717 | |
| 1718 | ENTER(); |
| 1719 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1720 | if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1721 | hdd_err("Command not allowed in FTM mode"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1722 | return -EINVAL; |
| 1723 | } |
| 1724 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1725 | rc = wlan_hdd_validate_context(hdd_ctx); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 1726 | if (0 != rc) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1727 | return rc; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1728 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1729 | mutex_lock(&hdd_ctx->iface_change_lock); |
| 1730 | if (hdd_ctx->driver_status != DRIVER_MODULES_ENABLED) { |
| 1731 | mutex_unlock(&hdd_ctx->iface_change_lock); |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1732 | hdd_debug("Driver Modules not Enabled "); |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1733 | return 0; |
| 1734 | } |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1735 | mutex_unlock(&hdd_ctx->iface_change_lock); |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1736 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1737 | /* If RADAR detection is in progress (HDD), prevent suspend. The flag |
| 1738 | * "dfs_cac_block_tx" is set to true when RADAR is found and stay true |
| 1739 | * until CAC is done for a SoftAP which is in started state. |
| 1740 | */ |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1741 | status = hdd_get_front_adapter(hdd_ctx, &pAdapterNode); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1742 | while (NULL != pAdapterNode && QDF_STATUS_SUCCESS == status) { |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1743 | adapter = pAdapterNode->adapter; |
Hanumanth Reddy Pothula | d9491f4 | 2016-10-24 19:08:38 +0530 | [diff] [blame] | 1744 | |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1745 | if (wlan_hdd_validate_session_id(adapter->session_id)) { |
| 1746 | hdd_err("invalid session id: %d", adapter->session_id); |
Hanumanth Reddy Pothula | d9491f4 | 2016-10-24 19:08:38 +0530 | [diff] [blame] | 1747 | goto next_adapter; |
| 1748 | } |
| 1749 | |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1750 | if (QDF_SAP_MODE == adapter->device_mode) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1751 | if (BSS_START == |
Jeff Johnson | 0f9f87b | 2017-10-28 09:21:06 -0700 | [diff] [blame] | 1752 | WLAN_HDD_GET_HOSTAP_STATE_PTR(adapter)->bss_state && |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1753 | true == |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1754 | WLAN_HDD_GET_AP_CTX_PTR(adapter)-> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1755 | dfs_cac_block_tx) { |
Dustin Brown | 2d22823 | 2016-09-22 15:06:19 -0700 | [diff] [blame] | 1756 | hdd_err("RADAR detection in progress, do not allow suspend"); |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1757 | wlan_hdd_inc_suspend_stats(hdd_ctx, |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 1758 | SUSPEND_FAIL_RADAR); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1759 | return -EAGAIN; |
Jeff Johnson | 60cbd2d | 2017-11-03 18:26:28 -0700 | [diff] [blame] | 1760 | } else if (!hdd_ctx->config->enable_sap_suspend) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1761 | /* return -EOPNOTSUPP if SAP does not support |
| 1762 | * suspend |
| 1763 | */ |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1764 | hdd_err("SAP does not support suspend!!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1765 | return -EOPNOTSUPP; |
| 1766 | } |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1767 | } else if (QDF_P2P_GO_MODE == adapter->device_mode) { |
Jeff Johnson | 60cbd2d | 2017-11-03 18:26:28 -0700 | [diff] [blame] | 1768 | if (!hdd_ctx->config->enable_sap_suspend) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1769 | /* return -EOPNOTSUPP if GO does not support |
| 1770 | * suspend |
| 1771 | */ |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1772 | hdd_err("GO does not support suspend!!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1773 | return -EOPNOTSUPP; |
| 1774 | } |
| 1775 | } |
Hanumanth Reddy Pothula | d9491f4 | 2016-10-24 19:08:38 +0530 | [diff] [blame] | 1776 | next_adapter: |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1777 | status = hdd_get_next_adapter(hdd_ctx, pAdapterNode, &pNext); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1778 | pAdapterNode = pNext; |
| 1779 | } |
| 1780 | |
| 1781 | /* Stop ongoing scan on each interface */ |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1782 | status = hdd_get_front_adapter(hdd_ctx, &pAdapterNode); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1783 | while (NULL != pAdapterNode && QDF_STATUS_SUCCESS == status) { |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1784 | adapter = pAdapterNode->adapter; |
Jeff Johnson | 5287de5 | 2017-10-28 12:23:06 -0700 | [diff] [blame] | 1785 | scan_info = &adapter->scan_info; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1786 | |
Sandeep Puligilla | f852712 | 2016-11-16 18:35:16 -0800 | [diff] [blame] | 1787 | if (sme_neighbor_middle_of_roaming |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1788 | (hdd_ctx->hHal, adapter->session_id)) { |
Dustin Brown | 2d22823 | 2016-09-22 15:06:19 -0700 | [diff] [blame] | 1789 | hdd_err("Roaming in progress, do not allow suspend"); |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1790 | wlan_hdd_inc_suspend_stats(hdd_ctx, |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 1791 | SUSPEND_FAIL_ROAM); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1792 | return -EAGAIN; |
| 1793 | } |
| 1794 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1795 | wlan_abort_scan(hdd_ctx->hdd_pdev, INVAL_PDEV_ID, |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1796 | adapter->session_id, INVALID_SCAN_ID, false); |
Dustin Brown | c86d536 | 2017-07-07 13:08:51 -0700 | [diff] [blame] | 1797 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1798 | status = hdd_get_next_adapter(hdd_ctx, pAdapterNode, &pNext); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1799 | pAdapterNode = pNext; |
| 1800 | } |
| 1801 | |
Dustin Brown | 84411b0 | 2017-07-21 16:44:44 -0700 | [diff] [blame] | 1802 | /* flush any pending powersave timers */ |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1803 | status = hdd_get_front_adapter(hdd_ctx, &pAdapterNode); |
Dustin Brown | 84411b0 | 2017-07-21 16:44:44 -0700 | [diff] [blame] | 1804 | while (pAdapterNode && QDF_IS_STATUS_SUCCESS(status)) { |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1805 | adapter = pAdapterNode->adapter; |
Dustin Brown | 84411b0 | 2017-07-21 16:44:44 -0700 | [diff] [blame] | 1806 | |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1807 | sme_ps_timer_flush_sync(hdd_ctx->hHal, adapter->session_id); |
Dustin Brown | 84411b0 | 2017-07-21 16:44:44 -0700 | [diff] [blame] | 1808 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1809 | status = hdd_get_next_adapter(hdd_ctx, pAdapterNode, |
Dustin Brown | 84411b0 | 2017-07-21 16:44:44 -0700 | [diff] [blame] | 1810 | &pAdapterNode); |
| 1811 | } |
| 1812 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1813 | /* |
| 1814 | * Suspend IPA early before proceeding to suspend other entities like |
| 1815 | * firmware to avoid any race conditions. |
| 1816 | */ |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1817 | if (hdd_ipa_suspend(hdd_ctx)) { |
Dustin Brown | 2d22823 | 2016-09-22 15:06:19 -0700 | [diff] [blame] | 1818 | hdd_err("IPA not ready to suspend!"); |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1819 | wlan_hdd_inc_suspend_stats(hdd_ctx, SUSPEND_FAIL_IPA); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1820 | return -EAGAIN; |
| 1821 | } |
| 1822 | |
Rajeev Kumar | eada0d0 | 2016-12-08 17:44:17 -0800 | [diff] [blame] | 1823 | /* Suspend control path scheduler */ |
Krunal Soni | d32c6bc | 2016-10-18 18:00:21 -0700 | [diff] [blame] | 1824 | scheduler_register_hdd_suspend_callback(hdd_suspend_cb); |
Manjeet Singh | 1a376ce | 2016-10-06 19:31:10 +0530 | [diff] [blame] | 1825 | scheduler_set_event_mask(MC_SUSPEND_EVENT); |
Krunal Soni | d32c6bc | 2016-10-18 18:00:21 -0700 | [diff] [blame] | 1826 | scheduler_wake_up_controller_thread(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1827 | |
Rajeev Kumar | eada0d0 | 2016-12-08 17:44:17 -0800 | [diff] [blame] | 1828 | /* Wait for suspend confirmation from scheduler */ |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1829 | rc = wait_for_completion_timeout(&hdd_ctx->mc_sus_event_var, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1830 | msecs_to_jiffies(WLAN_WAIT_TIME_MCTHREAD_SUSPEND)); |
| 1831 | if (!rc) { |
Manjeet Singh | 1a376ce | 2016-10-06 19:31:10 +0530 | [diff] [blame] | 1832 | scheduler_clear_event_mask(MC_SUSPEND_EVENT); |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1833 | hdd_err("Failed to stop mc thread"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1834 | goto resume_tx; |
| 1835 | } |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1836 | hdd_ctx->is_scheduler_suspended = true; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1837 | |
| 1838 | #ifdef QCA_CONFIG_SMP |
| 1839 | /* Suspend tlshim rx thread */ |
Manjeet Singh | 1a376ce | 2016-10-06 19:31:10 +0530 | [diff] [blame] | 1840 | set_bit(RX_SUSPEND_EVENT, &cds_sched_context->ol_rx_event_flag); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1841 | wake_up_interruptible(&cds_sched_context->ol_rx_wait_queue); |
| 1842 | rc = wait_for_completion_timeout(&cds_sched_context-> |
| 1843 | ol_suspend_rx_event, |
| 1844 | msecs_to_jiffies |
| 1845 | (RX_TLSHIM_SUSPEND_TIMEOUT)); |
| 1846 | if (!rc) { |
Manjeet Singh | 1a376ce | 2016-10-06 19:31:10 +0530 | [diff] [blame] | 1847 | clear_bit(RX_SUSPEND_EVENT, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1848 | &cds_sched_context->ol_rx_event_flag); |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1849 | hdd_err("Failed to stop tl_shim rx thread"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1850 | goto resume_all; |
| 1851 | } |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1852 | hdd_ctx->is_ol_rx_thread_suspended = true; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1853 | #endif |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1854 | if (hdd_suspend_wlan() < 0) |
| 1855 | goto resume_all; |
| 1856 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1857 | MTRACE(qdf_trace(QDF_MODULE_ID_HDD, |
Sreelakshmi Konamki | 6744cff | 2015-09-07 12:10:39 +0530 | [diff] [blame] | 1858 | TRACE_CODE_HDD_CFG80211_SUSPEND_WLAN, |
Jeff Johnson | 214671b | 2017-10-30 19:45:23 -0700 | [diff] [blame] | 1859 | NO_SESSION, hdd_ctx->is_wiphy_suspended)); |
| 1860 | hdd_ctx->is_wiphy_suspended = true; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1861 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1862 | pld_request_bus_bandwidth(hdd_ctx->parent_dev, PLD_BUS_WIDTH_NONE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1863 | |
| 1864 | EXIT(); |
| 1865 | return 0; |
| 1866 | |
| 1867 | #ifdef QCA_CONFIG_SMP |
| 1868 | resume_all: |
| 1869 | |
Rajeev Kumar | 0b73295 | 2016-12-08 17:51:39 -0800 | [diff] [blame] | 1870 | scheduler_resume(); |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1871 | hdd_ctx->is_scheduler_suspended = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1872 | #endif |
| 1873 | |
| 1874 | resume_tx: |
| 1875 | |
| 1876 | hdd_resume_wlan(); |
| 1877 | return -ETIME; |
| 1878 | |
| 1879 | } |
| 1880 | |
| 1881 | /** |
| 1882 | * wlan_hdd_cfg80211_suspend_wlan() - cfg80211 suspend callback |
| 1883 | * @wiphy: Pointer to wiphy |
| 1884 | * @wow: Pointer to wow |
| 1885 | * |
| 1886 | * This API is called when cfg80211 driver suspends |
| 1887 | * |
| 1888 | * Return: integer status |
| 1889 | */ |
| 1890 | int wlan_hdd_cfg80211_suspend_wlan(struct wiphy *wiphy, |
| 1891 | struct cfg80211_wowlan *wow) |
| 1892 | { |
| 1893 | int ret; |
| 1894 | |
| 1895 | cds_ssr_protect(__func__); |
| 1896 | ret = __wlan_hdd_cfg80211_suspend_wlan(wiphy, wow); |
| 1897 | cds_ssr_unprotect(__func__); |
| 1898 | |
| 1899 | return ret; |
| 1900 | } |
| 1901 | |
| 1902 | /** |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1903 | * hdd_stop_dhcp_ind() - API to stop DHCP sequence |
| 1904 | * @adapter: Adapter on which DHCP needs to be stopped |
| 1905 | * |
| 1906 | * Release the wakelock held for DHCP process and allow |
| 1907 | * the runtime pm to continue |
| 1908 | * |
| 1909 | * Return: None |
| 1910 | */ |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1911 | static void hdd_stop_dhcp_ind(struct hdd_adapter *adapter) |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1912 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1913 | struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1914 | |
Srinivas Girigowda | c06543c | 2017-03-09 15:10:03 -0800 | [diff] [blame] | 1915 | hdd_debug("DHCP stop indicated through power save"); |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1916 | sme_dhcp_stop_ind(hdd_ctx->hHal, adapter->device_mode, |
Jeff Johnson | 1e851a1 | 2017-10-28 14:36:12 -0700 | [diff] [blame] | 1917 | adapter->mac_addr.bytes, |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1918 | adapter->session_id); |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1919 | hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_DHCP); |
Prashanth Bhatta | 87b6dc0 | 2017-01-19 15:17:58 -0800 | [diff] [blame] | 1920 | qdf_runtime_pm_allow_suspend(&adapter->connect_rpm_ctx.connect); |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1921 | } |
| 1922 | |
| 1923 | /** |
| 1924 | * hdd_start_dhcp_ind() - API to start DHCP sequence |
| 1925 | * @adapter: Adapter on which DHCP needs to be stopped |
| 1926 | * |
| 1927 | * Prevent APPS suspend and the runtime suspend during |
| 1928 | * DHCP sequence |
| 1929 | * |
| 1930 | * Return: None |
| 1931 | */ |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1932 | static void hdd_start_dhcp_ind(struct hdd_adapter *adapter) |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1933 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1934 | struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1935 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1936 | hdd_debug("DHCP start indicated through power save"); |
Prashanth Bhatta | 87b6dc0 | 2017-01-19 15:17:58 -0800 | [diff] [blame] | 1937 | qdf_runtime_pm_prevent_suspend(&adapter->connect_rpm_ctx.connect); |
Dustin Brown | ceed67e | 2017-05-26 11:57:31 -0700 | [diff] [blame] | 1938 | hdd_prevent_suspend_timeout(HDD_WAKELOCK_TIMEOUT_CONNECT, |
| 1939 | WIFI_POWER_EVENT_WAKELOCK_DHCP); |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1940 | sme_dhcp_start_ind(hdd_ctx->hHal, adapter->device_mode, |
Jeff Johnson | 1e851a1 | 2017-10-28 14:36:12 -0700 | [diff] [blame] | 1941 | adapter->mac_addr.bytes, |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1942 | adapter->session_id); |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1943 | } |
| 1944 | |
| 1945 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1946 | * __wlan_hdd_cfg80211_set_power_mgmt() - set cfg80211 power management config |
| 1947 | * @wiphy: Pointer to wiphy |
| 1948 | * @dev: Pointer to network device |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1949 | * @allow_power_save: is wlan allowed to go into power save mode |
| 1950 | * @timeout: Timeout value in ms |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1951 | * |
| 1952 | * Return: 0 for success, non-zero for failure |
| 1953 | */ |
| 1954 | static int __wlan_hdd_cfg80211_set_power_mgmt(struct wiphy *wiphy, |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1955 | struct net_device *dev, |
| 1956 | bool allow_power_save, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1957 | int timeout) |
| 1958 | { |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1959 | struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev); |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1960 | struct hdd_context *hdd_ctx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1961 | int status; |
| 1962 | |
Dustin Brown | ecfce63 | 2016-09-13 10:41:45 -0700 | [diff] [blame] | 1963 | ENTER(); |
| 1964 | |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1965 | if (timeout < 0) { |
Yeshwanth Sriram Guntuka | ae03c43 | 2017-11-12 13:31:02 +0530 | [diff] [blame] | 1966 | hdd_debug("User space timeout: %d; Enter full power or power save", |
| 1967 | timeout); |
| 1968 | timeout = 0; |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1969 | } |
| 1970 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1971 | if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1972 | hdd_err("Command not allowed in FTM mode"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1973 | return -EINVAL; |
| 1974 | } |
| 1975 | |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1976 | if (wlan_hdd_validate_session_id(adapter->session_id)) { |
| 1977 | hdd_err("invalid session id: %d", adapter->session_id); |
Hanumanth Reddy Pothula | d9491f4 | 2016-10-24 19:08:38 +0530 | [diff] [blame] | 1978 | return -EINVAL; |
| 1979 | } |
| 1980 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1981 | MTRACE(qdf_trace(QDF_MODULE_ID_HDD, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1982 | TRACE_CODE_HDD_CFG80211_SET_POWER_MGMT, |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 1983 | adapter->session_id, timeout)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1984 | |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1985 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1986 | status = wlan_hdd_validate_context(hdd_ctx); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1987 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 1988 | if (0 != status) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1989 | return status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1990 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1991 | mutex_lock(&hdd_ctx->iface_change_lock); |
| 1992 | if (hdd_ctx->driver_status != DRIVER_MODULES_ENABLED) { |
| 1993 | mutex_unlock(&hdd_ctx->iface_change_lock); |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1994 | hdd_debug("Driver Module not enabled return success"); |
Arun Khandavalli | 9928645 | 2016-08-22 12:13:41 +0530 | [diff] [blame] | 1995 | return 0; |
| 1996 | } |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 1997 | mutex_unlock(&hdd_ctx->iface_change_lock); |
Arun Khandavalli | 9928645 | 2016-08-22 12:13:41 +0530 | [diff] [blame] | 1998 | |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 1999 | status = wlan_hdd_set_powersave(adapter, allow_power_save, timeout); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2000 | |
Jeff Johnson | f6d2428 | 2017-10-02 13:25:25 -0700 | [diff] [blame] | 2001 | allow_power_save ? hdd_stop_dhcp_ind(adapter) : |
| 2002 | hdd_start_dhcp_ind(adapter); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2003 | |
| 2004 | EXIT(); |
| 2005 | return status; |
| 2006 | } |
| 2007 | |
| 2008 | /** |
| 2009 | * wlan_hdd_cfg80211_set_power_mgmt() - set cfg80211 power management config |
| 2010 | * @wiphy: Pointer to wiphy |
| 2011 | * @dev: Pointer to network device |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 2012 | * @allow_power_save: is wlan allowed to go into power save mode |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2013 | * @timeout: Timeout value |
| 2014 | * |
| 2015 | * Return: 0 for success, non-zero for failure |
| 2016 | */ |
| 2017 | int wlan_hdd_cfg80211_set_power_mgmt(struct wiphy *wiphy, |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 2018 | struct net_device *dev, |
| 2019 | bool allow_power_save, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2020 | int timeout) |
| 2021 | { |
| 2022 | int ret; |
| 2023 | |
| 2024 | cds_ssr_protect(__func__); |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 2025 | ret = __wlan_hdd_cfg80211_set_power_mgmt(wiphy, dev, |
| 2026 | allow_power_save, timeout); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2027 | cds_ssr_unprotect(__func__); |
| 2028 | |
| 2029 | return ret; |
| 2030 | } |
| 2031 | |
| 2032 | /** |
| 2033 | * __wlan_hdd_cfg80211_set_txpower() - set TX power |
| 2034 | * @wiphy: Pointer to wiphy |
| 2035 | * @wdev: Pointer to network device |
| 2036 | * @type: TX power setting type |
| 2037 | * @dbm: TX power in dbm |
| 2038 | * |
| 2039 | * Return: 0 for success, non-zero for failure |
| 2040 | */ |
| 2041 | static int __wlan_hdd_cfg80211_set_txpower(struct wiphy *wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2042 | struct wireless_dev *wdev, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2043 | enum nl80211_tx_power_setting type, |
| 2044 | int dbm) |
| 2045 | { |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 2046 | struct hdd_context *hdd_ctx = (struct hdd_context *) wiphy_priv(wiphy); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2047 | tHalHandle hHal = NULL; |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 2048 | struct qdf_mac_addr bssid = QDF_MAC_ADDR_BROADCAST_INITIALIZER; |
| 2049 | struct qdf_mac_addr selfMac = QDF_MAC_ADDR_BROADCAST_INITIALIZER; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2050 | int status; |
| 2051 | |
| 2052 | ENTER(); |
| 2053 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 2054 | if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 2055 | hdd_err("Command not allowed in FTM mode"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2056 | return -EINVAL; |
| 2057 | } |
| 2058 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2059 | MTRACE(qdf_trace(QDF_MODULE_ID_HDD, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2060 | TRACE_CODE_HDD_CFG80211_SET_TXPOWER, |
| 2061 | NO_SESSION, type)); |
| 2062 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 2063 | status = wlan_hdd_validate_context(hdd_ctx); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 2064 | if (0 != status) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2065 | return status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2066 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 2067 | hHal = hdd_ctx->hHal; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2068 | |
| 2069 | if (0 != sme_cfg_set_int(hHal, WNI_CFG_CURRENT_TX_POWER_LEVEL, dbm)) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 2070 | hdd_err("sme_cfg_set_int failed for tx power %hu", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2071 | dbm); |
| 2072 | return -EIO; |
| 2073 | } |
| 2074 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 2075 | hdd_debug("Set tx power level %d dbm", dbm); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2076 | |
| 2077 | switch (type) { |
| 2078 | /* Automatically determine transmit power */ |
| 2079 | case NL80211_TX_POWER_AUTOMATIC: |
| 2080 | /* Fall through */ |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 2081 | case NL80211_TX_POWER_LIMITED: |
| 2082 | /* Limit TX power by the mBm parameter */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2083 | if (sme_set_max_tx_power(hHal, bssid, selfMac, dbm) != |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2084 | QDF_STATUS_SUCCESS) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 2085 | hdd_err("Setting maximum tx power failed"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2086 | return -EIO; |
| 2087 | } |
| 2088 | break; |
| 2089 | |
| 2090 | case NL80211_TX_POWER_FIXED: /* Fix TX power to the mBm parameter */ |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 2091 | hdd_err("NL80211_TX_POWER_FIXED not supported"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2092 | return -EOPNOTSUPP; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2093 | |
| 2094 | default: |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 2095 | hdd_err("Invalid power setting type %d", type); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2096 | return -EIO; |
| 2097 | } |
| 2098 | |
| 2099 | EXIT(); |
| 2100 | return 0; |
| 2101 | } |
| 2102 | |
| 2103 | /** |
| 2104 | * wlan_hdd_cfg80211_set_txpower() - set TX power |
| 2105 | * @wiphy: Pointer to wiphy |
| 2106 | * @wdev: Pointer to network device |
| 2107 | * @type: TX power setting type |
| 2108 | * @dbm: TX power in dbm |
| 2109 | * |
| 2110 | * Return: 0 for success, non-zero for failure |
| 2111 | */ |
| 2112 | int wlan_hdd_cfg80211_set_txpower(struct wiphy *wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2113 | struct wireless_dev *wdev, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2114 | enum nl80211_tx_power_setting type, |
| 2115 | int dbm) |
| 2116 | { |
| 2117 | int ret; |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 2118 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2119 | cds_ssr_protect(__func__); |
| 2120 | ret = __wlan_hdd_cfg80211_set_txpower(wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2121 | wdev, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2122 | type, dbm); |
| 2123 | cds_ssr_unprotect(__func__); |
| 2124 | |
| 2125 | return ret; |
| 2126 | } |
| 2127 | |
| 2128 | /** |
| 2129 | * __wlan_hdd_cfg80211_get_txpower() - get TX power |
| 2130 | * @wiphy: Pointer to wiphy |
| 2131 | * @wdev: Pointer to network device |
| 2132 | * @dbm: Pointer to TX power in dbm |
| 2133 | * |
| 2134 | * Return: 0 for success, non-zero for failure |
| 2135 | */ |
| 2136 | static int __wlan_hdd_cfg80211_get_txpower(struct wiphy *wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2137 | struct wireless_dev *wdev, |
Srinivas Girigowda | 5557a39 | 2017-03-09 14:28:36 -0800 | [diff] [blame] | 2138 | int *dbm) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2139 | { |
| 2140 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 2141 | struct hdd_context *hdd_ctx = (struct hdd_context *) wiphy_priv(wiphy); |
Srinivas Girigowda | 5557a39 | 2017-03-09 14:28:36 -0800 | [diff] [blame] | 2142 | struct net_device *ndev = wdev->netdev; |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 2143 | struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(ndev); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2144 | int status; |
Jeff Johnson | 40dae4e | 2017-08-29 14:00:25 -0700 | [diff] [blame] | 2145 | struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2146 | |
| 2147 | ENTER(); |
| 2148 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 2149 | if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 2150 | hdd_err("Command not allowed in FTM mode"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2151 | return -EINVAL; |
| 2152 | } |
| 2153 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 2154 | status = wlan_hdd_validate_context(hdd_ctx); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2155 | if (0 != status) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2156 | *dbm = 0; |
| 2157 | return status; |
| 2158 | } |
| 2159 | |
Arun Khandavalli | 9928645 | 2016-08-22 12:13:41 +0530 | [diff] [blame] | 2160 | /* Validate adapter sessionId */ |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 2161 | if (wlan_hdd_validate_session_id(adapter->session_id)) { |
| 2162 | hdd_err("invalid session id: %d", adapter->session_id); |
Srinivas Girigowda | 5557a39 | 2017-03-09 14:28:36 -0800 | [diff] [blame] | 2163 | return -EINVAL; |
Arun Khandavalli | 9928645 | 2016-08-22 12:13:41 +0530 | [diff] [blame] | 2164 | } |
| 2165 | |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 2166 | mutex_lock(&hdd_ctx->iface_change_lock); |
| 2167 | if (hdd_ctx->driver_status != DRIVER_MODULES_ENABLED) { |
| 2168 | mutex_unlock(&hdd_ctx->iface_change_lock); |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 2169 | hdd_debug("Driver Module not enabled return success"); |
Arun Khandavalli | 9928645 | 2016-08-22 12:13:41 +0530 | [diff] [blame] | 2170 | /* Send cached data to upperlayer*/ |
Jeff Johnson | 861dd4f | 2017-10-24 10:10:40 -0700 | [diff] [blame] | 2171 | *dbm = adapter->hdd_stats.class_a_stat.max_pwr; |
Arun Khandavalli | 9928645 | 2016-08-22 12:13:41 +0530 | [diff] [blame] | 2172 | return 0; |
| 2173 | } |
Jeff Johnson | 1a9b979 | 2017-09-03 09:22:08 -0700 | [diff] [blame] | 2174 | mutex_unlock(&hdd_ctx->iface_change_lock); |
Arun Khandavalli | 9928645 | 2016-08-22 12:13:41 +0530 | [diff] [blame] | 2175 | |
Ganesh Kondabattini | f847f06 | 2017-05-26 12:36:24 +0530 | [diff] [blame] | 2176 | if (sta_ctx->conn_info.connState != eConnectionState_Associated) { |
| 2177 | hdd_debug("Not associated"); |
| 2178 | /*To keep GUI happy */ |
| 2179 | *dbm = 0; |
| 2180 | return 0; |
| 2181 | } |
| 2182 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2183 | MTRACE(qdf_trace(QDF_MODULE_ID_HDD, |
Sreelakshmi Konamki | 6744cff | 2015-09-07 12:10:39 +0530 | [diff] [blame] | 2184 | TRACE_CODE_HDD_CFG80211_GET_TXPOWER, |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 2185 | adapter->session_id, adapter->device_mode)); |
Arun Khandavalli | 9928645 | 2016-08-22 12:13:41 +0530 | [diff] [blame] | 2186 | wlan_hdd_get_class_astats(adapter); |
Jeff Johnson | 861dd4f | 2017-10-24 10:10:40 -0700 | [diff] [blame] | 2187 | *dbm = adapter->hdd_stats.class_a_stat.max_pwr; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2188 | |
| 2189 | EXIT(); |
| 2190 | return 0; |
| 2191 | } |
| 2192 | |
| 2193 | /** |
| 2194 | * wlan_hdd_cfg80211_get_txpower() - cfg80211 get power handler function |
| 2195 | * @wiphy: Pointer to wiphy structure. |
| 2196 | * @wdev: Pointer to wireless_dev structure. |
| 2197 | * @dbm: dbm |
| 2198 | * |
| 2199 | * This is the cfg80211 get txpower handler function which invokes |
| 2200 | * the internal function @__wlan_hdd_cfg80211_get_txpower with |
| 2201 | * SSR protection. |
| 2202 | * |
| 2203 | * Return: 0 for success, error number on failure. |
| 2204 | */ |
| 2205 | int wlan_hdd_cfg80211_get_txpower(struct wiphy *wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2206 | struct wireless_dev *wdev, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2207 | int *dbm) |
| 2208 | { |
Srinivas Girigowda | 5557a39 | 2017-03-09 14:28:36 -0800 | [diff] [blame] | 2209 | int ret; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2210 | |
| 2211 | cds_ssr_protect(__func__); |
Srinivas Girigowda | 5557a39 | 2017-03-09 14:28:36 -0800 | [diff] [blame] | 2212 | ret = __wlan_hdd_cfg80211_get_txpower(wiphy, wdev, dbm); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2213 | cds_ssr_unprotect(__func__); |
| 2214 | |
| 2215 | return ret; |
| 2216 | } |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2217 | |
Jeff Johnson | 4fbee2f | 2017-10-03 11:19:35 -0700 | [diff] [blame] | 2218 | int hdd_set_qpower_config(struct hdd_context *hddctx, |
| 2219 | struct hdd_adapter *adapter, |
Dustin Brown | 10a7b71 | 2016-10-07 10:31:16 -0700 | [diff] [blame] | 2220 | u8 qpower) |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2221 | { |
Dustin Brown | 10a7b71 | 2016-10-07 10:31:16 -0700 | [diff] [blame] | 2222 | QDF_STATUS status; |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2223 | |
| 2224 | if (!hddctx->config->enablePowersaveOffload) { |
| 2225 | hdd_err("qpower is disabled in configuration"); |
| 2226 | return -EINVAL; |
| 2227 | } |
Manjeet Singh | 91b7bb8 | 2017-02-10 18:35:40 +0530 | [diff] [blame] | 2228 | if (adapter->device_mode != QDF_STA_MODE && |
| 2229 | adapter->device_mode != QDF_P2P_CLIENT_MODE) { |
| 2230 | hdd_info(FL("QPOWER only allowed in STA/P2P-Client modes:%d "), |
| 2231 | adapter->device_mode); |
| 2232 | return -EINVAL; |
| 2233 | } |
Dustin Brown | 10a7b71 | 2016-10-07 10:31:16 -0700 | [diff] [blame] | 2234 | |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2235 | if (qpower > PS_DUTY_CYCLING_QPOWER || |
| 2236 | qpower < PS_LEGACY_NODEEPSLEEP) { |
Dustin Brown | 10a7b71 | 2016-10-07 10:31:16 -0700 | [diff] [blame] | 2237 | hdd_err("invalid qpower value: %d", qpower); |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2238 | return -EINVAL; |
| 2239 | } |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2240 | |
Kiran Kumar Lokere | 7006e0a | 2017-03-07 19:28:36 -0800 | [diff] [blame] | 2241 | if (hddctx->config->nMaxPsPoll) { |
| 2242 | if ((qpower == PS_QPOWER_NODEEPSLEEP) || |
| 2243 | (qpower == PS_LEGACY_NODEEPSLEEP)) |
| 2244 | qpower = PS_LEGACY_NODEEPSLEEP; |
| 2245 | else |
| 2246 | qpower = PS_LEGACY_DEEPSLEEP; |
| 2247 | hdd_info("Qpower disabled, %d", qpower); |
| 2248 | } |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 2249 | status = wma_set_qpower_config(adapter->session_id, qpower); |
Dustin Brown | 10a7b71 | 2016-10-07 10:31:16 -0700 | [diff] [blame] | 2250 | if (status != QDF_STATUS_SUCCESS) { |
| 2251 | hdd_err("failed to configure qpower: %d", status); |
| 2252 | return -EINVAL; |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2253 | } |
Dustin Brown | 10a7b71 | 2016-10-07 10:31:16 -0700 | [diff] [blame] | 2254 | |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2255 | return 0; |
| 2256 | } |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2257 | |
Dustin Brown | 5409643 | 2017-02-23 13:00:44 -0800 | [diff] [blame] | 2258 | |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2259 | #ifdef WLAN_SUSPEND_RESUME_TEST |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2260 | static struct net_device *g_dev; |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2261 | static struct wiphy *g_wiphy; |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2262 | static enum wow_resume_trigger g_resume_trigger; |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2263 | |
| 2264 | #define HDD_FA_SUSPENDED_BIT (0) |
| 2265 | static unsigned long fake_apps_state; |
| 2266 | |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2267 | /** |
| 2268 | * __hdd_wlan_fake_apps_resume() - The core logic for |
| 2269 | * hdd_wlan_fake_apps_resume() skipping the call to hif_fake_apps_resume(), |
| 2270 | * which is only need for non-irq resume |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2271 | * @wiphy: the kernel wiphy struct for the device being resumed |
| 2272 | * @dev: the kernel net_device struct for the device being resumed |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2273 | * |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2274 | * Return: none, calls QDF_BUG() on failure |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2275 | */ |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2276 | static void __hdd_wlan_fake_apps_resume(struct wiphy *wiphy, |
| 2277 | struct net_device *dev) |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2278 | { |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2279 | struct hif_opaque_softc *hif_ctx; |
Dustin Brown | ddb5970 | 2017-01-12 16:20:31 -0800 | [diff] [blame] | 2280 | qdf_device_t qdf_dev; |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2281 | |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2282 | hdd_info("Unit-test resume WLAN"); |
Dustin Brown | ddb5970 | 2017-01-12 16:20:31 -0800 | [diff] [blame] | 2283 | |
| 2284 | qdf_dev = cds_get_context(QDF_MODULE_ID_QDF_DEVICE); |
| 2285 | if (!qdf_dev) { |
| 2286 | hdd_err("Failed to get QDF device context"); |
| 2287 | QDF_BUG(0); |
| 2288 | return; |
| 2289 | } |
| 2290 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2291 | hif_ctx = cds_get_context(QDF_MODULE_ID_HIF); |
| 2292 | if (!hif_ctx) { |
| 2293 | hdd_err("Failed to get HIF context"); |
| 2294 | return; |
| 2295 | } |
| 2296 | |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2297 | if (!test_and_clear_bit(HDD_FA_SUSPENDED_BIT, &fake_apps_state)) { |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2298 | hdd_alert("Not unit-test suspended; Nothing to do"); |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2299 | return; |
| 2300 | } |
| 2301 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2302 | /* simulate kernel disable irqs */ |
| 2303 | QDF_BUG(!hif_apps_wake_irq_disable(hif_ctx)); |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2304 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2305 | QDF_BUG(!wlan_hdd_bus_resume_noirq()); |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2306 | |
| 2307 | /* simulate kernel enable irqs */ |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2308 | QDF_BUG(!hif_apps_irqs_enable(hif_ctx)); |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2309 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2310 | QDF_BUG(!wlan_hdd_bus_resume()); |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2311 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2312 | QDF_BUG(!wlan_hdd_cfg80211_resume_wlan(wiphy)); |
| 2313 | |
| 2314 | if (g_resume_trigger == WOW_RESUME_TRIGGER_HTC_WAKEUP) |
| 2315 | hif_vote_link_down(hif_ctx); |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2316 | |
| 2317 | dev->watchdog_timeo = HDD_TX_TIMEOUT; |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 2318 | |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2319 | hdd_alert("Unit-test resume succeeded"); |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2320 | } |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2321 | |
| 2322 | /** |
| 2323 | * hdd_wlan_fake_apps_resume_irq_callback() - Irq callback function for resuming |
| 2324 | * from unit-test initiated suspend from irq wakeup signal |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2325 | * |
| 2326 | * Resume wlan after getting very 1st CE interrupt from target |
| 2327 | * |
| 2328 | * Return: none |
| 2329 | */ |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2330 | static void hdd_wlan_fake_apps_resume_irq_callback(void) |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2331 | { |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2332 | hdd_info("Trigger unit-test resume WLAN"); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2333 | |
| 2334 | QDF_BUG(g_wiphy); |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2335 | QDF_BUG(g_dev); |
| 2336 | __hdd_wlan_fake_apps_resume(g_wiphy, g_dev); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2337 | g_wiphy = NULL; |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2338 | g_dev = NULL; |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2339 | } |
| 2340 | |
Dustin Brown | 5409643 | 2017-02-23 13:00:44 -0800 | [diff] [blame] | 2341 | int hdd_wlan_fake_apps_suspend(struct wiphy *wiphy, struct net_device *dev, |
| 2342 | enum wow_interface_pause pause_setting, |
| 2343 | enum wow_resume_trigger resume_setting) |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2344 | { |
Dustin Brown | ddb5970 | 2017-01-12 16:20:31 -0800 | [diff] [blame] | 2345 | qdf_device_t qdf_dev; |
| 2346 | struct hif_opaque_softc *hif_ctx; |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2347 | int errno; |
Dustin Brown | 5409643 | 2017-02-23 13:00:44 -0800 | [diff] [blame] | 2348 | struct wow_enable_params wow_params = { |
| 2349 | .is_unit_test = true, |
| 2350 | .interface_pause = pause_setting, |
| 2351 | .resume_trigger = resume_setting |
| 2352 | }; |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2353 | |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2354 | hdd_info("Unit-test suspend WLAN"); |
Dustin Brown | ddb5970 | 2017-01-12 16:20:31 -0800 | [diff] [blame] | 2355 | |
Dustin Brown | 5409643 | 2017-02-23 13:00:44 -0800 | [diff] [blame] | 2356 | if (pause_setting < WOW_INTERFACE_PAUSE_DEFAULT || |
| 2357 | pause_setting >= WOW_INTERFACE_PAUSE_COUNT) { |
| 2358 | hdd_err("Invalid interface pause %d (expected range [0, 2])", |
| 2359 | pause_setting); |
| 2360 | return -EINVAL; |
| 2361 | } |
| 2362 | |
| 2363 | if (resume_setting < WOW_RESUME_TRIGGER_DEFAULT || |
| 2364 | resume_setting >= WOW_RESUME_TRIGGER_COUNT) { |
| 2365 | hdd_err("Invalid resume trigger %d (expected range [0, 2])", |
| 2366 | resume_setting); |
| 2367 | return -EINVAL; |
| 2368 | } |
| 2369 | |
Dustin Brown | ddb5970 | 2017-01-12 16:20:31 -0800 | [diff] [blame] | 2370 | qdf_dev = cds_get_context(QDF_MODULE_ID_QDF_DEVICE); |
| 2371 | if (!qdf_dev) { |
| 2372 | hdd_err("Failed to get QDF device context"); |
| 2373 | return -EINVAL; |
| 2374 | } |
| 2375 | |
| 2376 | hif_ctx = cds_get_context(QDF_MODULE_ID_HIF); |
| 2377 | if (!hif_ctx) { |
| 2378 | hdd_err("Failed to get HIF context"); |
| 2379 | return -EINVAL; |
| 2380 | } |
| 2381 | |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2382 | if (test_and_set_bit(HDD_FA_SUSPENDED_BIT, &fake_apps_state)) { |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2383 | hdd_alert("Already unit-test suspended; Nothing to do"); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2384 | return 0; |
| 2385 | } |
| 2386 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2387 | /* pci link is needed to wakeup from HTC wakeup trigger */ |
| 2388 | if (resume_setting == WOW_RESUME_TRIGGER_HTC_WAKEUP) |
| 2389 | hif_vote_link_up(hif_ctx); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2390 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2391 | errno = wlan_hdd_cfg80211_suspend_wlan(wiphy, NULL); |
| 2392 | if (errno) |
| 2393 | goto link_down; |
| 2394 | |
| 2395 | errno = wlan_hdd_unit_test_bus_suspend(wow_params); |
| 2396 | if (errno) |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2397 | goto cfg80211_resume; |
| 2398 | |
| 2399 | /* simulate kernel disabling irqs */ |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2400 | errno = hif_apps_irqs_disable(hif_ctx); |
| 2401 | if (errno) |
| 2402 | goto bus_resume; |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2403 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2404 | errno = wlan_hdd_bus_suspend_noirq(); |
| 2405 | if (errno) |
| 2406 | goto enable_irqs; |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2407 | |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2408 | /* pass wiphy/dev to callback via global variables */ |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2409 | g_wiphy = wiphy; |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2410 | g_dev = dev; |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2411 | g_resume_trigger = resume_setting; |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2412 | hif_ut_apps_suspend(hif_ctx, hdd_wlan_fake_apps_resume_irq_callback); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2413 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2414 | /* re-enable wake irq */ |
| 2415 | errno = hif_apps_wake_irq_enable(hif_ctx); |
| 2416 | if (errno) |
| 2417 | goto fake_apps_resume; |
| 2418 | |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2419 | /* |
| 2420 | * Tell the kernel not to worry if TX queues aren't moving. This is |
| 2421 | * expected since we are suspending the wifi hardware, but not APPS |
| 2422 | */ |
| 2423 | dev->watchdog_timeo = INT_MAX; |
| 2424 | |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2425 | hdd_alert("Unit-test suspend succeeded"); |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2426 | |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2427 | return 0; |
| 2428 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2429 | fake_apps_resume: |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2430 | hif_ut_apps_resume(hif_ctx); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2431 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2432 | enable_irqs: |
| 2433 | QDF_BUG(!hif_apps_irqs_enable(hif_ctx)); |
| 2434 | |
| 2435 | bus_resume: |
| 2436 | QDF_BUG(!wlan_hdd_bus_resume()); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2437 | |
| 2438 | cfg80211_resume: |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2439 | QDF_BUG(!wlan_hdd_cfg80211_resume_wlan(wiphy)); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2440 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2441 | link_down: |
| 2442 | hif_vote_link_down(hif_ctx); |
| 2443 | |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2444 | clear_bit(HDD_FA_SUSPENDED_BIT, &fake_apps_state); |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2445 | hdd_err("Unit-test suspend failed: %d", errno); |
| 2446 | |
| 2447 | return errno; |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2448 | } |
| 2449 | |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2450 | int hdd_wlan_fake_apps_resume(struct wiphy *wiphy, struct net_device *dev) |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2451 | { |
Dustin Brown | ddb5970 | 2017-01-12 16:20:31 -0800 | [diff] [blame] | 2452 | struct hif_opaque_softc *hif_ctx; |
| 2453 | |
| 2454 | hif_ctx = cds_get_context(QDF_MODULE_ID_HIF); |
| 2455 | if (!hif_ctx) { |
| 2456 | hdd_err("Failed to get HIF context"); |
| 2457 | return -EINVAL; |
| 2458 | } |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2459 | |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2460 | hif_ut_apps_resume(hif_ctx); |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2461 | __hdd_wlan_fake_apps_resume(wiphy, dev); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2462 | |
| 2463 | return 0; |
| 2464 | } |
| 2465 | #endif |