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" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 84 | |
| 85 | /* Preprocessor definitions and constants */ |
Yue Ma | 5fe30dd | 2017-05-02 15:47:40 -0700 | [diff] [blame] | 86 | #ifdef QCA_WIFI_NAPIER_EMULATION |
| 87 | #define HDD_SSR_BRING_UP_TIME 3000000 |
| 88 | #else |
Yue Ma | 4ea4f05 | 2015-10-27 12:25:27 -0700 | [diff] [blame] | 89 | #define HDD_SSR_BRING_UP_TIME 30000 |
Yue Ma | 5fe30dd | 2017-05-02 15:47:40 -0700 | [diff] [blame] | 90 | #endif |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 91 | |
| 92 | /* Type declarations */ |
| 93 | |
Abhishek Singh | baea27d | 2016-04-27 13:29:30 +0530 | [diff] [blame] | 94 | #ifdef FEATURE_WLAN_DIAG_SUPPORT |
| 95 | /** |
| 96 | * hdd_wlan_suspend_resume_event()- send suspend/resume state |
| 97 | * @state: suspend/resume state |
| 98 | * |
| 99 | * This Function send send suspend resume state diag event |
| 100 | * |
| 101 | * Return: void. |
| 102 | */ |
| 103 | void hdd_wlan_suspend_resume_event(uint8_t state) |
| 104 | { |
| 105 | WLAN_HOST_DIAG_EVENT_DEF(suspend_state, struct host_event_suspend); |
| 106 | qdf_mem_zero(&suspend_state, sizeof(suspend_state)); |
| 107 | |
| 108 | suspend_state.state = state; |
| 109 | WLAN_HOST_DIAG_EVENT_REPORT(&suspend_state, EVENT_WLAN_SUSPEND_RESUME); |
| 110 | } |
Abhishek Singh | 4aad0f7 | 2016-04-27 13:43:29 +0530 | [diff] [blame] | 111 | |
| 112 | /** |
| 113 | * hdd_wlan_offload_event()- send offloads event |
| 114 | * @type: offload type |
| 115 | * @state: enabled or disabled |
| 116 | * |
| 117 | * This Function send offloads enable/disable diag event |
| 118 | * |
| 119 | * Return: void. |
| 120 | */ |
| 121 | |
| 122 | void hdd_wlan_offload_event(uint8_t type, uint8_t state) |
| 123 | { |
| 124 | WLAN_HOST_DIAG_EVENT_DEF(host_offload, struct host_event_offload_req); |
| 125 | qdf_mem_zero(&host_offload, sizeof(host_offload)); |
| 126 | |
| 127 | host_offload.offload_type = type; |
| 128 | host_offload.state = state; |
| 129 | |
| 130 | WLAN_HOST_DIAG_EVENT_REPORT(&host_offload, EVENT_WLAN_OFFLOAD_REQ); |
| 131 | } |
Abhishek Singh | baea27d | 2016-04-27 13:29:30 +0530 | [diff] [blame] | 132 | #endif |
| 133 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 134 | /* Function and variables declarations */ |
| 135 | |
| 136 | extern struct notifier_block hdd_netdev_notifier; |
| 137 | |
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 | * hdd_enable_gtk_offload() - enable GTK offload |
| 140 | * @adapter: pointer to the adapter |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 141 | * |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 142 | * Central function to enable GTK offload. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 143 | * |
| 144 | * Return: nothing |
| 145 | */ |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 146 | static void hdd_enable_gtk_offload(struct hdd_adapter *adapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 147 | { |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 148 | QDF_STATUS status; |
| 149 | status = pmo_ucfg_enable_gtk_offload_in_fwr(adapter->hdd_vdev); |
| 150 | if (status != QDF_STATUS_SUCCESS) |
| 151 | hdd_info("Failed to enable gtk offload"); |
| 152 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 153 | |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 154 | /** |
| 155 | * hdd_disable_gtk_offload() - disable GTK offload |
| 156 | * @pAdapter: pointer to the adapter |
| 157 | * |
| 158 | * Central function to disable GTK offload. |
| 159 | * |
| 160 | * Return: nothing |
| 161 | */ |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 162 | static void hdd_disable_gtk_offload(struct hdd_adapter *adapter) |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 163 | { |
| 164 | struct pmo_gtk_rsp_req gtk_rsp_request; |
| 165 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 166 | |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 167 | /* ensure to get gtk rsp first before disable it*/ |
| 168 | gtk_rsp_request.callback = |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 169 | wlan_hdd_cfg80211_update_replay_counter_cb; |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 170 | /* Passing as void* as PMO does not know legacy HDD adapter type */ |
| 171 | gtk_rsp_request.callback_context = |
| 172 | (void *)adapter; |
| 173 | status = pmo_ucfg_get_gtk_rsp(adapter->hdd_vdev, |
| 174 | >k_rsp_request); |
| 175 | if (status != QDF_STATUS_SUCCESS) { |
| 176 | hdd_err("Failed to send get gtk rsp status:%d", status); |
| 177 | return; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 178 | } |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 179 | hdd_debug("send get_gtk_rsp successful"); |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 180 | status = pmo_ucfg_disable_gtk_offload_in_fwr(adapter->hdd_vdev); |
| 181 | if (status != QDF_STATUS_SUCCESS) |
| 182 | hdd_info("Failed to disable gtk offload"); |
| 183 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 184 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 185 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 186 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 187 | /** |
| 188 | * __wlan_hdd_ipv6_changed() - IPv6 notifier callback function |
| 189 | * @nb: notifier block that was registered with the kernel |
| 190 | * @data: (unused) generic data that was registered with the kernel |
| 191 | * @arg: (unused) generic argument that was registered with the kernel |
| 192 | * |
| 193 | * This is a callback function that is registered with the kernel via |
| 194 | * register_inet6addr_notifier() which allows the driver to be |
| 195 | * notified when there is an IPv6 address change. |
| 196 | * |
| 197 | * Return: NOTIFY_DONE to indicate we don't care what happens with |
| 198 | * other callbacks |
| 199 | */ |
| 200 | static int __wlan_hdd_ipv6_changed(struct notifier_block *nb, |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 201 | unsigned long data, void *arg) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 202 | { |
| 203 | struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)arg; |
| 204 | struct net_device *ndev = ifa->idev->dev; |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 205 | struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(ndev); |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 206 | struct hdd_context *hdd_ctx; |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 207 | int errno; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 208 | |
Jeff Johnson | 158c8d0 | 2016-10-31 13:11:48 -0700 | [diff] [blame] | 209 | ENTER_DEV(ndev); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 210 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 211 | errno = hdd_validate_adapter(adapter); |
| 212 | if (errno) |
| 213 | goto exit; |
| 214 | |
| 215 | if (adapter->dev == ndev && |
| 216 | (adapter->device_mode == QDF_STA_MODE || |
| 217 | adapter->device_mode == QDF_P2P_CLIENT_MODE || |
| 218 | adapter->device_mode == QDF_NDI_MODE)) { |
| 219 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 220 | errno = wlan_hdd_validate_context(hdd_ctx); |
| 221 | if (errno) |
| 222 | goto exit; |
| 223 | |
Nachiket Kukade | c9045fe | 2017-06-19 15:14:43 +0530 | [diff] [blame] | 224 | /* Ignore if the interface is down */ |
| 225 | if (!(ndev->flags & IFF_UP)) { |
| 226 | hdd_err("Rcvd change addr request on %s(flags 0x%X)", |
| 227 | ndev->name, ndev->flags); |
| 228 | hdd_err("NETDEV Interface is down, ignoring..."); |
| 229 | goto exit; |
| 230 | } |
| 231 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 232 | hdd_debug("invoking sme_dhcp_done_ind"); |
| 233 | sme_dhcp_done_ind(hdd_ctx->hHal, adapter->sessionId); |
| 234 | schedule_work(&adapter->ipv6NotifierWorkQueue); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 235 | } |
| 236 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 237 | exit: |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 238 | EXIT(); |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 239 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 240 | return NOTIFY_DONE; |
| 241 | } |
| 242 | |
| 243 | /** |
| 244 | * wlan_hdd_ipv6_changed() - IPv6 change notifier callback |
| 245 | * @nb: pointer to notifier block |
| 246 | * @data: data |
| 247 | * @arg: arg |
| 248 | * |
| 249 | * This is the IPv6 notifier callback function gets invoked |
| 250 | * if any change in IP and then invoke the function @__wlan_hdd_ipv6_changed |
| 251 | * to reconfigure the offload parameters. |
| 252 | * |
| 253 | * Return: 0 on success, error number otherwise. |
| 254 | */ |
| 255 | int wlan_hdd_ipv6_changed(struct notifier_block *nb, |
| 256 | unsigned long data, void *arg) |
| 257 | { |
| 258 | int ret; |
| 259 | |
| 260 | cds_ssr_protect(__func__); |
| 261 | ret = __wlan_hdd_ipv6_changed(nb, data, arg); |
| 262 | cds_ssr_unprotect(__func__); |
| 263 | |
| 264 | return ret; |
| 265 | } |
| 266 | |
| 267 | /** |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 268 | * hdd_fill_ipv6_uc_addr() - fill IPv6 unicast addresses |
| 269 | * @idev: pointer to net device |
| 270 | * @ipv6addr: destination array to fill IPv6 addresses |
| 271 | * @ipv6addr_type: IPv6 Address type |
| 272 | * @count: number of IPv6 addresses |
| 273 | * |
| 274 | * This is the IPv6 utility function to populate unicast addresses. |
| 275 | * |
| 276 | * Return: 0 on success, error number otherwise. |
| 277 | */ |
| 278 | static int hdd_fill_ipv6_uc_addr(struct inet6_dev *idev, |
| 279 | uint8_t ipv6_uc_addr[][SIR_MAC_IPV6_ADDR_LEN], |
| 280 | uint8_t *ipv6addr_type, uint32_t *count) |
| 281 | { |
| 282 | struct inet6_ifaddr *ifa; |
| 283 | struct list_head *p; |
| 284 | uint32_t scope; |
| 285 | |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 286 | read_lock_bh(&idev->lock); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 287 | list_for_each(p, &idev->addr_list) { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 288 | if (*count >= PMO_MAC_NUM_TARGET_IPV6_NS_OFFLOAD_NA) { |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 289 | read_unlock_bh(&idev->lock); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 290 | return -EINVAL; |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 291 | } |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 292 | ifa = list_entry(p, struct inet6_ifaddr, if_list); |
| 293 | if (ifa->flags & IFA_F_DADFAILED) |
| 294 | continue; |
| 295 | scope = ipv6_addr_src_scope(&ifa->addr); |
| 296 | switch (scope) { |
| 297 | case IPV6_ADDR_SCOPE_GLOBAL: |
| 298 | case IPV6_ADDR_SCOPE_LINKLOCAL: |
| 299 | qdf_mem_copy(ipv6_uc_addr[*count], &ifa->addr.s6_addr, |
| 300 | sizeof(ifa->addr.s6_addr)); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 301 | ipv6addr_type[*count] = PMO_IPV6_ADDR_UC_TYPE; |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 302 | hdd_debug("Index %d scope = %s UC-Address: %pI6", |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 303 | *count, (scope == IPV6_ADDR_SCOPE_LINKLOCAL) ? |
| 304 | "LINK LOCAL" : "GLOBAL", ipv6_uc_addr[*count]); |
| 305 | *count += 1; |
| 306 | break; |
| 307 | default: |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 308 | hdd_warn("The Scope %d is not supported", scope); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 309 | } |
| 310 | } |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 311 | |
| 312 | read_unlock_bh(&idev->lock); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 313 | return 0; |
| 314 | } |
| 315 | |
| 316 | /** |
| 317 | * hdd_fill_ipv6_ac_addr() - fill IPv6 anycast addresses |
| 318 | * @idev: pointer to net device |
| 319 | * @ipv6addr: destination array to fill IPv6 addresses |
| 320 | * @ipv6addr_type: IPv6 Address type |
| 321 | * @count: number of IPv6 addresses |
| 322 | * |
| 323 | * This is the IPv6 utility function to populate anycast addresses. |
| 324 | * |
| 325 | * Return: 0 on success, error number otherwise. |
| 326 | */ |
| 327 | static int hdd_fill_ipv6_ac_addr(struct inet6_dev *idev, |
| 328 | uint8_t ipv6_ac_addr[][SIR_MAC_IPV6_ADDR_LEN], |
| 329 | uint8_t *ipv6addr_type, uint32_t *count) |
| 330 | { |
| 331 | struct ifacaddr6 *ifaca; |
| 332 | uint32_t scope; |
| 333 | |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 334 | read_lock_bh(&idev->lock); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 335 | for (ifaca = idev->ac_list; ifaca; ifaca = ifaca->aca_next) { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 336 | if (*count >= PMO_MAC_NUM_TARGET_IPV6_NS_OFFLOAD_NA) { |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 337 | read_unlock_bh(&idev->lock); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 338 | return -EINVAL; |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 339 | } |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 340 | /* For anycast addr no DAD */ |
| 341 | scope = ipv6_addr_src_scope(&ifaca->aca_addr); |
| 342 | switch (scope) { |
| 343 | case IPV6_ADDR_SCOPE_GLOBAL: |
| 344 | case IPV6_ADDR_SCOPE_LINKLOCAL: |
| 345 | qdf_mem_copy(ipv6_ac_addr[*count], &ifaca->aca_addr, |
| 346 | sizeof(ifaca->aca_addr)); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 347 | ipv6addr_type[*count] = PMO_IPV6_ADDR_AC_TYPE; |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 348 | hdd_debug("Index %d scope = %s AC-Address: %pI6", |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 349 | *count, (scope == IPV6_ADDR_SCOPE_LINKLOCAL) ? |
| 350 | "LINK LOCAL" : "GLOBAL", ipv6_ac_addr[*count]); |
| 351 | *count += 1; |
| 352 | break; |
| 353 | default: |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 354 | hdd_warn("The Scope %d is not supported", scope); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 355 | } |
| 356 | } |
Srinivas Girigowda | 90cdd3c | 2016-10-18 11:28:10 -0700 | [diff] [blame] | 357 | |
| 358 | read_unlock_bh(&idev->lock); |
Sravan Kumar Kairam | c087358 | 2016-07-26 17:34:57 +0530 | [diff] [blame] | 359 | return 0; |
| 360 | } |
| 361 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 362 | void hdd_enable_ns_offload(struct hdd_adapter *adapter, |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 363 | enum pmo_offload_trigger trigger) |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 364 | { |
| 365 | struct inet6_dev *in6_dev; |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 366 | QDF_STATUS status; |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 367 | struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 368 | struct wlan_objmgr_psoc *psoc = hdd_ctx->hdd_psoc; |
| 369 | struct pmo_ns_req *ns_req = NULL; |
| 370 | int err; |
| 371 | |
| 372 | ENTER(); |
| 373 | if (!psoc) { |
| 374 | hdd_err("psoc is NULL"); |
| 375 | goto out; |
| 376 | } |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 377 | |
| 378 | in6_dev = __in6_dev_get(adapter->dev); |
| 379 | if (NULL == in6_dev) { |
| 380 | hdd_err("IPv6 dev does not exist. Failed to request NSOffload"); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 381 | goto out; |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 382 | } |
| 383 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 384 | ns_req = qdf_mem_malloc(sizeof(*ns_req)); |
| 385 | if (!ns_req) { |
| 386 | hdd_err("fail to allocate ns_req"); |
| 387 | goto out; |
| 388 | } |
| 389 | |
| 390 | ns_req->psoc = psoc; |
| 391 | ns_req->vdev_id = adapter->sessionId; |
| 392 | ns_req->trigger = trigger; |
| 393 | ns_req->count = 0; |
| 394 | |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 395 | /* Unicast Addresses */ |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 396 | err = hdd_fill_ipv6_uc_addr(in6_dev, ns_req->ipv6_addr, |
| 397 | ns_req->ipv6_addr_type, &ns_req->count); |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 398 | if (err) { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 399 | hdd_disable_ns_offload(adapter, trigger); |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 400 | hdd_debug("Max supported addresses: disabling NS offload"); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 401 | goto out; |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 402 | } |
| 403 | |
| 404 | /* Anycast Addresses */ |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 405 | err = hdd_fill_ipv6_ac_addr(in6_dev, ns_req->ipv6_addr, |
| 406 | ns_req->ipv6_addr_type, &ns_req->count); |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 407 | if (err) { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 408 | hdd_disable_ns_offload(adapter, trigger); |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 409 | hdd_debug("Max supported addresses: disabling NS offload"); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 410 | goto out; |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 411 | } |
| 412 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 413 | /* cache ns request */ |
| 414 | status = pmo_ucfg_cache_ns_offload_req(ns_req); |
| 415 | if (status != QDF_STATUS_SUCCESS) { |
| 416 | hdd_err("Failed to cache ns request status: %d", status); |
| 417 | goto out; |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 418 | } |
| 419 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 420 | /* enable ns request */ |
| 421 | status = pmo_ucfg_enable_ns_offload_in_fwr(adapter->hdd_vdev, trigger); |
| 422 | if (status != QDF_STATUS_SUCCESS) |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 423 | hdd_err("Failed to enable HostOffload feature with status: %d", |
| 424 | status); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 425 | else |
| 426 | hdd_wlan_offload_event(SIR_IPV6_NS_OFFLOAD, SIR_OFFLOAD_ENABLE); |
| 427 | out: |
| 428 | if (ns_req) |
| 429 | qdf_mem_free(ns_req); |
| 430 | EXIT(); |
| 431 | |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 432 | } |
| 433 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 434 | void hdd_disable_ns_offload(struct hdd_adapter *adapter, |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 435 | enum pmo_offload_trigger trigger) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 436 | { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 437 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 438 | |
| 439 | ENTER(); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 440 | status = pmo_ucfg_flush_ns_offload_req(adapter->hdd_vdev); |
| 441 | if (status != QDF_STATUS_SUCCESS) { |
| 442 | hdd_err("Failed to flush NS Offload"); |
| 443 | goto out; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 444 | } |
| 445 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 446 | status = pmo_ucfg_disable_ns_offload_in_fwr(adapter->hdd_vdev, trigger); |
| 447 | if (status != QDF_STATUS_SUCCESS) |
| 448 | hdd_err("Failed to disable NS Offload"); |
Dustin Brown | 2444ee6 | 2016-09-06 17:20:36 -0700 | [diff] [blame] | 449 | else |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 450 | hdd_wlan_offload_event(SIR_IPV6_NS_OFFLOAD, |
| 451 | SIR_OFFLOAD_DISABLE); |
| 452 | out: |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 453 | EXIT(); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 454 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 455 | } |
| 456 | |
| 457 | /** |
| 458 | * __hdd_ipv6_notifier_work_queue() - IPv6 notification work function |
| 459 | * @work: registered work item |
| 460 | * |
| 461 | * This function performs the work initially trigged by a callback |
| 462 | * from the IPv6 netdev notifier. Since this means there has been a |
| 463 | * change in IPv6 state for the interface, the NS offload is |
| 464 | * reconfigured. |
| 465 | * |
| 466 | * Return: None |
| 467 | */ |
Jeff Johnson | c8d0c25 | 2016-10-05 16:19:50 -0700 | [diff] [blame] | 468 | static void __hdd_ipv6_notifier_work_queue(struct work_struct *work) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 469 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 470 | struct hdd_context *hdd_ctx; |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 471 | struct hdd_adapter *adapter; |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 472 | int errno; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 473 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 474 | ENTER(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 475 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 476 | adapter = container_of(work, struct hdd_adapter, ipv6NotifierWorkQueue); |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 477 | errno = hdd_validate_adapter(adapter); |
| 478 | if (errno) |
| 479 | goto exit; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 480 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 481 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 482 | errno = wlan_hdd_validate_context(hdd_ctx); |
| 483 | if (errno) |
| 484 | goto exit; |
| 485 | |
| 486 | hdd_enable_ns_offload(adapter, pmo_ipv6_change_notify); |
| 487 | |
| 488 | exit: |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 489 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 490 | } |
| 491 | |
| 492 | /** |
| 493 | * hdd_ipv6_notifier_work_queue() - IP V6 change notifier work handler |
| 494 | * @work: Pointer to work context |
| 495 | * |
| 496 | * Return: none |
| 497 | */ |
| 498 | void hdd_ipv6_notifier_work_queue(struct work_struct *work) |
| 499 | { |
| 500 | cds_ssr_protect(__func__); |
| 501 | __hdd_ipv6_notifier_work_queue(work); |
| 502 | cds_ssr_unprotect(__func__); |
| 503 | } |
| 504 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 505 | static void hdd_enable_hw_filter(struct hdd_adapter *adapter) |
Dustin Brown | 1224e21 | 2017-05-12 14:02:12 -0700 | [diff] [blame] | 506 | { |
| 507 | QDF_STATUS status; |
| 508 | |
| 509 | ENTER(); |
| 510 | |
| 511 | status = pmo_ucfg_enable_hw_filter_in_fwr(adapter->hdd_vdev); |
| 512 | if (status != QDF_STATUS_SUCCESS) |
| 513 | hdd_info("Failed to enable hardware filter"); |
| 514 | |
| 515 | EXIT(); |
| 516 | } |
| 517 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 518 | static void hdd_disable_hw_filter(struct hdd_adapter *adapter) |
Dustin Brown | 1224e21 | 2017-05-12 14:02:12 -0700 | [diff] [blame] | 519 | { |
| 520 | QDF_STATUS status; |
| 521 | |
| 522 | ENTER(); |
| 523 | |
| 524 | status = pmo_ucfg_disable_hw_filter_in_fwr(adapter->hdd_vdev); |
| 525 | if (status != QDF_STATUS_SUCCESS) |
| 526 | hdd_info("Failed to disable hardware filter"); |
| 527 | |
| 528 | EXIT(); |
| 529 | } |
| 530 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 531 | void hdd_enable_host_offloads(struct hdd_adapter *adapter, |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 532 | enum pmo_offload_trigger trigger) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 533 | { |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 534 | ENTER(); |
| 535 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 536 | if (!pmo_ucfg_is_vdev_supports_offload(adapter->hdd_vdev)) { |
| 537 | hdd_info("offload is not supported on this vdev opmode: %d", |
| 538 | adapter->device_mode); |
| 539 | goto out; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 540 | } |
| 541 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 542 | if (!pmo_ucfg_is_vdev_connected(adapter->hdd_vdev)) { |
| 543 | hdd_info("vdev is not connected"); |
| 544 | goto out; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 545 | } |
| 546 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 547 | hdd_info("enable offloads"); |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 548 | hdd_enable_gtk_offload(adapter); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 549 | hdd_enable_arp_offload(adapter, trigger); |
| 550 | hdd_enable_ns_offload(adapter, trigger); |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 551 | hdd_enable_mc_addr_filtering(adapter, trigger); |
Dustin Brown | 1224e21 | 2017-05-12 14:02:12 -0700 | [diff] [blame] | 552 | hdd_enable_hw_filter(adapter); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 553 | out: |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 554 | EXIT(); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 555 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 556 | } |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 557 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 558 | void hdd_disable_host_offloads(struct hdd_adapter *adapter, |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 559 | enum pmo_offload_trigger trigger) |
| 560 | { |
| 561 | ENTER(); |
| 562 | |
| 563 | if (!pmo_ucfg_is_vdev_supports_offload(adapter->hdd_vdev)) { |
| 564 | hdd_info("offload is not supported on this vdev opmode: %d", |
| 565 | adapter->device_mode); |
| 566 | goto out; |
| 567 | } |
| 568 | |
| 569 | if (!pmo_ucfg_is_vdev_connected(adapter->hdd_vdev)) { |
| 570 | hdd_info("vdev is not connected"); |
| 571 | goto out; |
| 572 | } |
| 573 | |
| 574 | hdd_info("disable offloads"); |
Mukul Sharma | 3d36c39 | 2017-01-18 18:39:12 +0530 | [diff] [blame] | 575 | hdd_disable_gtk_offload(adapter); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 576 | hdd_disable_arp_offload(adapter, trigger); |
| 577 | hdd_disable_ns_offload(adapter, trigger); |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 578 | hdd_disable_mc_addr_filtering(adapter, trigger); |
Dustin Brown | 1224e21 | 2017-05-12 14:02:12 -0700 | [diff] [blame] | 579 | hdd_disable_hw_filter(adapter); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 580 | out: |
| 581 | EXIT(); |
| 582 | |
| 583 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 584 | |
| 585 | /** |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 586 | * hdd_lookup_ifaddr() - Lookup interface address data by name |
| 587 | * @adapter: the adapter whose name should be searched for |
| 588 | * |
| 589 | * return in_ifaddr pointer on success, NULL for failure |
| 590 | */ |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 591 | static struct in_ifaddr *hdd_lookup_ifaddr(struct hdd_adapter *adapter) |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 592 | { |
| 593 | struct in_ifaddr *ifa; |
| 594 | struct in_device *in_dev; |
| 595 | |
| 596 | if (!adapter) { |
| 597 | hdd_err("adapter is null"); |
| 598 | return NULL; |
| 599 | } |
| 600 | |
| 601 | in_dev = __in_dev_get_rtnl(adapter->dev); |
| 602 | if (!in_dev) { |
| 603 | hdd_err("Failed to get in_device"); |
| 604 | return NULL; |
| 605 | } |
| 606 | |
| 607 | /* lookup address data by interface name */ |
| 608 | for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { |
| 609 | if (!strcmp(adapter->dev->name, ifa->ifa_label)) |
| 610 | return ifa; |
| 611 | } |
| 612 | |
| 613 | return NULL; |
| 614 | } |
| 615 | |
| 616 | /** |
| 617 | * hdd_populate_ipv4_addr() - Populates the adapter's IPv4 address |
| 618 | * @adapter: the adapter whose IPv4 address is desired |
| 619 | * @ipv4_addr: the address of the array to copy the IPv4 address into |
| 620 | * |
| 621 | * return: zero for success; non-zero for failure |
| 622 | */ |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 623 | static int hdd_populate_ipv4_addr(struct hdd_adapter *adapter, uint8_t *ipv4_addr) |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 624 | { |
| 625 | struct in_ifaddr *ifa; |
| 626 | int i; |
| 627 | |
| 628 | if (!adapter) { |
| 629 | hdd_err("adapter is null"); |
| 630 | return -EINVAL; |
| 631 | } |
| 632 | |
| 633 | if (!ipv4_addr) { |
| 634 | hdd_err("ipv4_addr is null"); |
| 635 | return -EINVAL; |
| 636 | } |
| 637 | |
| 638 | ifa = hdd_lookup_ifaddr(adapter); |
| 639 | if (!ifa || !ifa->ifa_local) { |
| 640 | hdd_err("ipv4 address not found"); |
| 641 | return -EINVAL; |
| 642 | } |
| 643 | |
| 644 | /* convert u32 to byte array */ |
| 645 | for (i = 0; i < 4; i++) |
| 646 | ipv4_addr[i] = (ifa->ifa_local >> i * 8) & 0xff; |
| 647 | |
| 648 | return 0; |
| 649 | } |
| 650 | |
| 651 | /** |
| 652 | * hdd_set_grat_arp_keepalive() - Enable grat APR keepalive |
| 653 | * @adapter: the HDD adapter to configure |
| 654 | * |
| 655 | * This configures gratuitous APR keepalive based on the adapter's current |
| 656 | * connection information, specifically IPv4 address and BSSID |
| 657 | * |
| 658 | * return: zero for success, non-zero for failure |
| 659 | */ |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 660 | static int hdd_set_grat_arp_keepalive(struct hdd_adapter *adapter) |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 661 | { |
| 662 | QDF_STATUS status; |
| 663 | int exit_code; |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 664 | struct hdd_context *hdd_ctx; |
Jeff Johnson | 40dae4e | 2017-08-29 14:00:25 -0700 | [diff] [blame] | 665 | struct hdd_station_ctx *sta_ctx; |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 666 | tSirKeepAliveReq req = { |
| 667 | .packetType = SIR_KEEP_ALIVE_UNSOLICIT_ARP_RSP, |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 668 | .dest_macaddr = QDF_MAC_ADDR_BROADCAST_INITIALIZER, |
| 669 | }; |
| 670 | |
| 671 | if (!adapter) { |
| 672 | hdd_err("adapter is null"); |
| 673 | return -EINVAL; |
| 674 | } |
| 675 | |
| 676 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 677 | if (!hdd_ctx) { |
| 678 | hdd_err("hdd_ctx is null"); |
| 679 | return -EINVAL; |
| 680 | } |
| 681 | |
| 682 | sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter); |
| 683 | if (!sta_ctx) { |
| 684 | hdd_err("sta_ctx is null"); |
| 685 | return -EINVAL; |
| 686 | } |
| 687 | |
| 688 | exit_code = hdd_populate_ipv4_addr(adapter, req.hostIpv4Addr); |
| 689 | if (exit_code) { |
| 690 | hdd_err("Failed to populate ipv4 address"); |
| 691 | return exit_code; |
| 692 | } |
| 693 | |
Dustin Brown | 6b4643d | 2017-02-09 12:19:28 -0800 | [diff] [blame] | 694 | /* according to RFC5227, sender/target ip address should be the same */ |
| 695 | qdf_mem_copy(&req.destIpv4Addr, &req.hostIpv4Addr, |
| 696 | sizeof(req.destIpv4Addr)); |
| 697 | |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 698 | qdf_copy_macaddr(&req.bssid, &sta_ctx->conn_info.bssId); |
| 699 | req.timePeriod = hdd_ctx->config->infraStaKeepAlivePeriod; |
| 700 | req.sessionId = adapter->sessionId; |
| 701 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 702 | hdd_debug("Setting gratuitous ARP keepalive; ipv4_addr:%u.%u.%u.%u", |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 703 | req.hostIpv4Addr[0], req.hostIpv4Addr[1], |
| 704 | req.hostIpv4Addr[2], req.hostIpv4Addr[3]); |
| 705 | |
| 706 | status = sme_set_keep_alive(hdd_ctx->hHal, req.sessionId, &req); |
| 707 | if (QDF_IS_STATUS_ERROR(status)) { |
| 708 | hdd_err("Failed to set keepalive"); |
| 709 | return qdf_status_to_os_return(status); |
| 710 | } |
| 711 | |
| 712 | return 0; |
| 713 | } |
| 714 | |
| 715 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 716 | * __hdd_ipv4_notifier_work_queue() - IPv4 notification work function |
| 717 | * @work: registered work item |
| 718 | * |
| 719 | * This function performs the work initially trigged by a callback |
| 720 | * from the IPv4 netdev notifier. Since this means there has been a |
| 721 | * change in IPv4 state for the interface, the ARP offload is |
| 722 | * reconfigured. |
| 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; |
Dustin Brown | b6b0f18 | 2017-03-08 13:08:27 -0800 | [diff] [blame] | 731 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 732 | ENTER(); |
Dustin Brown | b6b0f18 | 2017-03-08 13:08:27 -0800 | [diff] [blame] | 733 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 734 | adapter = container_of(work, struct hdd_adapter, ipv4NotifierWorkQueue); |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 735 | errno = hdd_validate_adapter(adapter); |
| 736 | if (errno) |
| 737 | goto exit; |
Dustin Brown | b6b0f18 | 2017-03-08 13:08:27 -0800 | [diff] [blame] | 738 | |
| 739 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 740 | errno = wlan_hdd_validate_context(hdd_ctx); |
| 741 | if (errno) |
| 742 | goto exit; |
| 743 | |
| 744 | hdd_enable_arp_offload(adapter, pmo_ipv4_change_notify); |
| 745 | |
Dustin Brown | b6b0f18 | 2017-03-08 13:08:27 -0800 | [diff] [blame] | 746 | if (hdd_ctx->config->sta_keepalive_method == HDD_STA_KEEPALIVE_GRAT_ARP) |
| 747 | hdd_set_grat_arp_keepalive(adapter); |
| 748 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 749 | exit: |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 750 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 751 | } |
| 752 | |
| 753 | /** |
| 754 | * hdd_ipv4_notifier_work_queue() - IP V4 change notifier work handler |
| 755 | * @work: Pointer to work context |
| 756 | * |
| 757 | * Return: none |
| 758 | */ |
| 759 | void hdd_ipv4_notifier_work_queue(struct work_struct *work) |
| 760 | { |
| 761 | cds_ssr_protect(__func__); |
| 762 | __hdd_ipv4_notifier_work_queue(work); |
| 763 | cds_ssr_unprotect(__func__); |
| 764 | } |
| 765 | |
| 766 | /** |
| 767 | * __wlan_hdd_ipv4_changed() - IPv4 notifier callback function |
| 768 | * @nb: notifier block that was registered with the kernel |
| 769 | * @data: (unused) generic data that was registered with the kernel |
| 770 | * @arg: (unused) generic argument that was registered with the kernel |
| 771 | * |
| 772 | * This is a callback function that is registered with the kernel via |
| 773 | * register_inetaddr_notifier() which allows the driver to be |
| 774 | * notified when there is an IPv4 address change. |
| 775 | * |
| 776 | * Return: NOTIFY_DONE to indicate we don't care what happens with |
| 777 | * other callbacks |
| 778 | */ |
| 779 | static int __wlan_hdd_ipv4_changed(struct notifier_block *nb, |
| 780 | unsigned long data, void *arg) |
| 781 | { |
| 782 | struct in_ifaddr *ifa = (struct in_ifaddr *)arg; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 783 | struct net_device *ndev = ifa->ifa_dev->dev; |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 784 | struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(ndev); |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 785 | struct hdd_context *hdd_ctx; |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 786 | int errno; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 787 | |
Jeff Johnson | 158c8d0 | 2016-10-31 13:11:48 -0700 | [diff] [blame] | 788 | ENTER_DEV(ndev); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 789 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 790 | errno = hdd_validate_adapter(adapter); |
| 791 | if (errno) |
| 792 | goto exit; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 793 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 794 | if (adapter->dev == ndev && |
| 795 | (adapter->device_mode == QDF_STA_MODE || |
| 796 | adapter->device_mode == QDF_P2P_CLIENT_MODE || |
| 797 | adapter->device_mode == QDF_NDI_MODE)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 798 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 799 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 800 | errno = wlan_hdd_validate_context(hdd_ctx); |
| 801 | if (errno) |
| 802 | goto exit; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 803 | |
Nachiket Kukade | c9045fe | 2017-06-19 15:14:43 +0530 | [diff] [blame] | 804 | /* Ignore if the interface is down */ |
| 805 | if (!(ndev->flags & IFF_UP)) { |
| 806 | hdd_err("Rcvd change addr request on %s(flags 0x%X)", |
| 807 | ndev->name, ndev->flags); |
| 808 | hdd_err("NETDEV Interface is down, ignoring..."); |
| 809 | goto exit; |
| 810 | } |
Padma, Santhosh Kumar | 8392fb4 | 2017-03-17 12:35:27 +0530 | [diff] [blame] | 811 | hdd_debug("invoking sme_dhcp_done_ind"); |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 812 | sme_dhcp_done_ind(hdd_ctx->hHal, adapter->sessionId); |
Abhishek Singh | ca40803 | 2016-09-13 15:26:12 +0530 | [diff] [blame] | 813 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 814 | if (!hdd_ctx->config->fhostArpOffload) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 815 | hdd_debug("Offload not enabled ARPOffload=%d", |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 816 | hdd_ctx->config->fhostArpOffload); |
| 817 | goto exit; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 818 | } |
| 819 | |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 820 | ifa = hdd_lookup_ifaddr(adapter); |
Dustin Brown | 3c31ceb | 2017-02-01 14:43:52 -0800 | [diff] [blame] | 821 | if (ifa && ifa->ifa_local) |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 822 | schedule_work(&adapter->ipv4NotifierWorkQueue); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 823 | } |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 824 | |
| 825 | exit: |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 826 | EXIT(); |
Dustin Brown | f13b8c3 | 2017-05-19 17:23:08 -0700 | [diff] [blame] | 827 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 828 | return NOTIFY_DONE; |
| 829 | } |
| 830 | |
| 831 | /** |
| 832 | * wlan_hdd_ipv4_changed() - IPv4 change notifier callback |
| 833 | * @nb: pointer to notifier block |
| 834 | * @data: data |
| 835 | * @arg: arg |
| 836 | * |
| 837 | * This is the IPv4 notifier callback function gets invoked |
| 838 | * if any change in IP and then invoke the function @__wlan_hdd_ipv4_changed |
| 839 | * to reconfigure the offload parameters. |
| 840 | * |
| 841 | * Return: 0 on success, error number otherwise. |
| 842 | */ |
| 843 | int wlan_hdd_ipv4_changed(struct notifier_block *nb, |
| 844 | unsigned long data, void *arg) |
| 845 | { |
| 846 | int ret; |
| 847 | |
| 848 | cds_ssr_protect(__func__); |
| 849 | ret = __wlan_hdd_ipv4_changed(nb, data, arg); |
| 850 | cds_ssr_unprotect(__func__); |
| 851 | |
| 852 | return ret; |
| 853 | } |
| 854 | |
| 855 | /** |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 856 | * hdd_get_ipv4_local_interface() - get ipv4 local interafce from iface list |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 857 | * @pAdapter: Adapter context for which ARP offload is to be configured |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 858 | * |
| 859 | * Return: |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 860 | * ifa - on successful operation, |
| 861 | * NULL - on failure of operation |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 862 | */ |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 863 | static struct in_ifaddr *hdd_get_ipv4_local_interface( |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 864 | struct hdd_adapter *pAdapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 865 | { |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 866 | struct in_ifaddr **ifap = NULL; |
| 867 | struct in_ifaddr *ifa = NULL; |
| 868 | struct in_device *in_dev; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 869 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 870 | in_dev = __in_dev_get_rtnl(pAdapter->dev); |
| 871 | if (in_dev) { |
| 872 | for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL; |
| 873 | ifap = &ifa->ifa_next) { |
| 874 | if (!strcmp(pAdapter->dev->name, ifa->ifa_label)) { |
| 875 | /* if match break */ |
| 876 | return ifa; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 877 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 878 | } |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 879 | } |
| 880 | ifa = NULL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 881 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 882 | return ifa; |
| 883 | } |
| 884 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 885 | void hdd_enable_arp_offload(struct hdd_adapter *adapter, |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 886 | enum pmo_offload_trigger trigger) |
| 887 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 888 | struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 889 | struct wlan_objmgr_psoc *psoc = hdd_ctx->hdd_psoc; |
| 890 | QDF_STATUS status; |
| 891 | struct pmo_arp_req *arp_req = NULL; |
| 892 | struct in_ifaddr *ifa = NULL; |
| 893 | |
| 894 | ENTER(); |
| 895 | arp_req = qdf_mem_malloc(sizeof(*arp_req)); |
| 896 | if (!arp_req) { |
| 897 | hdd_err("cannot allocate arp_req"); |
| 898 | goto out; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 899 | } |
Jeff Johnson | 6875531 | 2017-02-10 11:46:55 -0800 | [diff] [blame] | 900 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 901 | arp_req->psoc = psoc; |
| 902 | arp_req->vdev_id = adapter->sessionId; |
| 903 | arp_req->trigger = trigger; |
Jeff Johnson | 6875531 | 2017-02-10 11:46:55 -0800 | [diff] [blame] | 904 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 905 | ifa = hdd_get_ipv4_local_interface(adapter); |
| 906 | if (ifa && ifa->ifa_local) { |
| 907 | arp_req->ipv4_addr = (uint32_t)ifa->ifa_local; |
| 908 | status = pmo_ucfg_cache_arp_offload_req(arp_req); |
| 909 | if (status == QDF_STATUS_SUCCESS) { |
| 910 | status = pmo_ucfg_enable_arp_offload_in_fwr( |
| 911 | adapter->hdd_vdev, trigger); |
| 912 | if (status == QDF_STATUS_SUCCESS) |
| 913 | hdd_wlan_offload_event( |
| 914 | PMO_IPV4_ARP_REPLY_OFFLOAD, |
| 915 | PMO_OFFLOAD_ENABLE); |
| 916 | else |
| 917 | hdd_info("fail to enable arp offload in fwr"); |
| 918 | } else |
| 919 | hdd_info("fail to cache arp offload request"); |
| 920 | } else { |
| 921 | hdd_notice("IP Address is not assigned"); |
| 922 | status = QDF_STATUS_NOT_INITIALIZED; |
| 923 | } |
| 924 | out: |
| 925 | if (arp_req) |
| 926 | qdf_mem_free(arp_req); |
| 927 | EXIT(); |
| 928 | |
| 929 | } |
| 930 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 931 | void hdd_disable_arp_offload(struct hdd_adapter *adapter, |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 932 | enum pmo_offload_trigger trigger) |
| 933 | { |
| 934 | QDF_STATUS status; |
| 935 | |
| 936 | ENTER(); |
| 937 | status = pmo_ucfg_flush_arp_offload_req(adapter->hdd_vdev); |
| 938 | if (status != QDF_STATUS_SUCCESS) { |
| 939 | hdd_err("Failed to flush arp Offload"); |
| 940 | goto out; |
Jeff Johnson | 6875531 | 2017-02-10 11:46:55 -0800 | [diff] [blame] | 941 | } |
| 942 | |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 943 | status = pmo_ucfg_disable_arp_offload_in_fwr(adapter->hdd_vdev, trigger); |
| 944 | if (status == QDF_STATUS_SUCCESS) |
| 945 | hdd_wlan_offload_event(PMO_IPV4_ARP_REPLY_OFFLOAD, |
| 946 | PMO_OFFLOAD_DISABLE); |
| 947 | else |
| 948 | hdd_info("fail to disable arp offload"); |
| 949 | out: |
| 950 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 951 | } |
| 952 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 953 | void hdd_enable_mc_addr_filtering(struct hdd_adapter *adapter, |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 954 | enum pmo_offload_trigger trigger) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 955 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 956 | struct hdd_context *hdd_ctx = (struct hdd_context *)adapter->pHddCtx; |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 957 | QDF_STATUS status; |
| 958 | struct wlan_objmgr_psoc *psoc = hdd_ctx->hdd_psoc; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 959 | |
Ravi Joshi | 24477b7 | 2016-07-19 15:45:09 -0700 | [diff] [blame] | 960 | ENTER(); |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 961 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 962 | goto out; |
Ravi Joshi | 24477b7 | 2016-07-19 15:45:09 -0700 | [diff] [blame] | 963 | |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 964 | status = pmo_ucfg_enable_mc_addr_filtering_in_fwr(psoc, |
| 965 | adapter->sessionId, trigger); |
| 966 | if (status != QDF_STATUS_SUCCESS) |
| 967 | hdd_info("failed to enable mc list status %d", status); |
| 968 | out: |
Ravi Joshi | 24477b7 | 2016-07-19 15:45:09 -0700 | [diff] [blame] | 969 | EXIT(); |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 970 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 971 | } |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 972 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 973 | void hdd_disable_mc_addr_filtering(struct hdd_adapter *adapter, |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 974 | enum pmo_offload_trigger trigger) |
| 975 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 976 | struct hdd_context *hdd_ctx = (struct hdd_context *)adapter->pHddCtx; |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 977 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
| 978 | struct wlan_objmgr_psoc *psoc = hdd_ctx->hdd_psoc; |
| 979 | |
| 980 | ENTER(); |
| 981 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 982 | goto out; |
| 983 | |
| 984 | status = pmo_ucfg_disable_mc_addr_filtering_in_fwr(psoc, |
| 985 | adapter->sessionId, trigger); |
| 986 | if (status != QDF_STATUS_SUCCESS) |
| 987 | hdd_info("failed to disable mc list status %d", status); |
| 988 | out: |
| 989 | EXIT(); |
| 990 | |
| 991 | } |
| 992 | |
| 993 | int hdd_cache_mc_addr_list(struct pmo_mc_addr_list_params *mc_list_config) |
| 994 | { |
| 995 | QDF_STATUS status; |
| 996 | int ret = 0; |
| 997 | |
| 998 | ENTER(); |
| 999 | /* cache mc addr list */ |
| 1000 | status = pmo_ucfg_cache_mc_addr_list(mc_list_config); |
| 1001 | if (status != QDF_STATUS_SUCCESS) { |
| 1002 | hdd_info("fail to cache mc list status %d", status); |
| 1003 | ret = -EINVAL; |
| 1004 | } |
| 1005 | EXIT(); |
| 1006 | |
| 1007 | return ret; |
| 1008 | } |
| 1009 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1010 | void hdd_disable_and_flush_mc_addr_list(struct hdd_adapter *adapter, |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 1011 | enum pmo_offload_trigger trigger) |
| 1012 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1013 | struct hdd_context *hdd_ctx = (struct hdd_context *)adapter->pHddCtx; |
Mukul Sharma | ff2ac2e | 2017-01-16 15:51:29 +0530 | [diff] [blame] | 1014 | struct wlan_objmgr_psoc *psoc = hdd_ctx->hdd_psoc; |
| 1015 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
| 1016 | |
| 1017 | ENTER(); |
| 1018 | /* disable mc list first */ |
| 1019 | status = pmo_ucfg_disable_mc_addr_filtering_in_fwr(psoc, |
| 1020 | adapter->sessionId, trigger); |
| 1021 | if (status != QDF_STATUS_SUCCESS) |
| 1022 | hdd_info("fail to disable mc list"); |
| 1023 | |
| 1024 | /* flush mc list */ |
| 1025 | status = pmo_ucfg_flush_mc_addr_list(psoc, adapter->sessionId); |
| 1026 | if (status != QDF_STATUS_SUCCESS) |
| 1027 | hdd_info("fail to flush mc list status %d", status); |
| 1028 | EXIT(); |
| 1029 | |
| 1030 | return; |
| 1031 | |
| 1032 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1033 | |
| 1034 | /** |
Houston Hoffman | 7260ecb | 2015-10-05 18:43:07 -0700 | [diff] [blame] | 1035 | * hdd_update_conn_state_mask(): record info needed by wma_suspend_req |
| 1036 | * @adapter: adapter to get info from |
| 1037 | * @conn_state_mask: mask of connection info |
| 1038 | * |
| 1039 | * currently only need to send connection info. |
| 1040 | */ |
| 1041 | static void |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1042 | hdd_update_conn_state_mask(struct hdd_adapter *adapter, uint32_t *conn_state_mask) |
Houston Hoffman | 7260ecb | 2015-10-05 18:43:07 -0700 | [diff] [blame] | 1043 | { |
| 1044 | |
| 1045 | eConnectionState connState; |
Jeff Johnson | 40dae4e | 2017-08-29 14:00:25 -0700 | [diff] [blame] | 1046 | struct hdd_station_ctx *sta_ctx; |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 1047 | |
Houston Hoffman | 7260ecb | 2015-10-05 18:43:07 -0700 | [diff] [blame] | 1048 | sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter); |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 1049 | |
Houston Hoffman | 7260ecb | 2015-10-05 18:43:07 -0700 | [diff] [blame] | 1050 | connState = sta_ctx->conn_info.connState; |
| 1051 | |
| 1052 | if (connState == eConnectionState_Associated || |
| 1053 | connState == eConnectionState_IbssConnected) |
| 1054 | *conn_state_mask |= (1 << adapter->sessionId); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1055 | } |
| 1056 | |
| 1057 | /** |
| 1058 | * hdd_suspend_wlan() - Driver suspend function |
| 1059 | * @callback: Callback function to invoke when driver is ready to suspend |
| 1060 | * @callbackContext: Context to pass back to @callback function |
| 1061 | * |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1062 | * Return: 0 on success else error code. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1063 | */ |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1064 | static int |
| 1065 | hdd_suspend_wlan(void) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1066 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1067 | struct hdd_context *pHddCtx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1068 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1069 | QDF_STATUS status; |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1070 | struct hdd_adapter *pAdapter = NULL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1071 | hdd_adapter_list_node_t *pAdapterNode = NULL, *pNext = NULL; |
Houston Hoffman | 7260ecb | 2015-10-05 18:43:07 -0700 | [diff] [blame] | 1072 | uint32_t conn_state_mask = 0; |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1073 | hdd_info("WLAN being suspended by OS"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1074 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1075 | pHddCtx = cds_get_context(QDF_MODULE_ID_HDD); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1076 | if (!pHddCtx) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1077 | hdd_err("HDD context is Null"); |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1078 | return -EINVAL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1079 | } |
| 1080 | |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 1081 | if (cds_is_driver_recovering() || cds_is_driver_in_bad_state()) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1082 | hdd_info("Recovery in Progress. State: 0x%x Ignore suspend!!!", |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 1083 | cds_get_driver_state()); |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1084 | return -EINVAL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1085 | } |
| 1086 | |
| 1087 | status = hdd_get_front_adapter(pHddCtx, &pAdapterNode); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1088 | while (NULL != pAdapterNode && QDF_STATUS_SUCCESS == status) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1089 | pAdapter = pAdapterNode->pAdapter; |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1090 | if (wlan_hdd_validate_session_id(pAdapter->sessionId)) { |
| 1091 | hdd_err("invalid session id: %d", pAdapter->sessionId); |
| 1092 | goto next_adapter; |
| 1093 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1094 | |
| 1095 | /* stop all TX queues before suspend */ |
Srinivas Girigowda | 6598eea | 2017-07-06 19:26:19 -0700 | [diff] [blame] | 1096 | hdd_info("Disabling queues"); |
Himanshu Agarwal | 865201d | 2017-04-12 15:45:31 +0530 | [diff] [blame] | 1097 | wlan_hdd_netif_queue_control(pAdapter, |
| 1098 | WLAN_STOP_ALL_NETIF_QUEUE, |
| 1099 | WLAN_CONTROL_PATH); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1100 | |
Houston Hoffman | 7260ecb | 2015-10-05 18:43:07 -0700 | [diff] [blame] | 1101 | /* Configure supported OffLoads */ |
Mukul Sharma | 3ba26b8 | 2017-01-12 21:59:41 +0530 | [diff] [blame] | 1102 | hdd_enable_host_offloads(pAdapter, pmo_apps_suspend); |
Houston Hoffman | 7260ecb | 2015-10-05 18:43:07 -0700 | [diff] [blame] | 1103 | hdd_update_conn_state_mask(pAdapter, &conn_state_mask); |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1104 | next_adapter: |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1105 | status = hdd_get_next_adapter(pHddCtx, pAdapterNode, &pNext); |
| 1106 | pAdapterNode = pNext; |
| 1107 | } |
| 1108 | |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1109 | status = pmo_ucfg_psoc_user_space_suspend_req(pHddCtx->hdd_psoc, |
| 1110 | QDF_SYSTEM_SUSPEND); |
| 1111 | if (status != QDF_STATUS_SUCCESS) |
| 1112 | return -EAGAIN; |
Houston Hoffman | 7260ecb | 2015-10-05 18:43:07 -0700 | [diff] [blame] | 1113 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1114 | pHddCtx->hdd_wlan_suspended = true; |
Abhishek Singh | baea27d | 2016-04-27 13:29:30 +0530 | [diff] [blame] | 1115 | hdd_wlan_suspend_resume_event(HDD_WLAN_EARLY_SUSPEND); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1116 | |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1117 | return 0; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1118 | } |
| 1119 | |
| 1120 | /** |
| 1121 | * hdd_resume_wlan() - Driver resume function |
| 1122 | * |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1123 | * Return: 0 on success else error code. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1124 | */ |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1125 | static int hdd_resume_wlan(void) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1126 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1127 | struct hdd_context *pHddCtx; |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1128 | struct hdd_adapter *pAdapter = NULL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1129 | hdd_adapter_list_node_t *pAdapterNode = NULL, *pNext = NULL; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1130 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1131 | |
Dustin Brown | 2d22823 | 2016-09-22 15:06:19 -0700 | [diff] [blame] | 1132 | hdd_info("WLAN being resumed by OS"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1133 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1134 | pHddCtx = cds_get_context(QDF_MODULE_ID_HDD); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1135 | if (!pHddCtx) { |
Dustin Brown | 2d22823 | 2016-09-22 15:06:19 -0700 | [diff] [blame] | 1136 | hdd_err("HDD context is Null"); |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1137 | return -EINVAL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1138 | } |
| 1139 | |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 1140 | if (cds_is_driver_recovering() || cds_is_driver_in_bad_state()) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1141 | hdd_info("Recovery in Progress. State: 0x%x Ignore resume!!!", |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 1142 | cds_get_driver_state()); |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1143 | return -EINVAL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1144 | } |
| 1145 | |
| 1146 | pHddCtx->hdd_wlan_suspended = false; |
Abhishek Singh | baea27d | 2016-04-27 13:29:30 +0530 | [diff] [blame] | 1147 | hdd_wlan_suspend_resume_event(HDD_WLAN_EARLY_RESUME); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1148 | |
| 1149 | /*loop through all adapters. Concurrency */ |
| 1150 | status = hdd_get_front_adapter(pHddCtx, &pAdapterNode); |
| 1151 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1152 | while (NULL != pAdapterNode && QDF_STATUS_SUCCESS == status) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1153 | pAdapter = pAdapterNode->pAdapter; |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1154 | if (wlan_hdd_validate_session_id(pAdapter->sessionId)) { |
| 1155 | hdd_err("invalid session id: %d", pAdapter->sessionId); |
| 1156 | goto next_adapter; |
| 1157 | } |
| 1158 | /* Disable supported OffLoads */ |
| 1159 | hdd_disable_host_offloads(pAdapter, pmo_apps_resume); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1160 | |
| 1161 | /* wake the tx queues */ |
Dustin Brown | 2d22823 | 2016-09-22 15:06:19 -0700 | [diff] [blame] | 1162 | hdd_info("Enabling queues"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1163 | wlan_hdd_netif_queue_control(pAdapter, |
| 1164 | WLAN_WAKE_ALL_NETIF_QUEUE, |
| 1165 | WLAN_CONTROL_PATH); |
| 1166 | |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1167 | next_adapter: |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1168 | status = hdd_get_next_adapter(pHddCtx, pAdapterNode, &pNext); |
| 1169 | pAdapterNode = pNext; |
| 1170 | } |
| 1171 | hdd_ipa_resume(pHddCtx); |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1172 | status = pmo_ucfg_psoc_user_space_resume_req(pHddCtx->hdd_psoc, |
| 1173 | QDF_SYSTEM_SUSPEND); |
| 1174 | if (status != QDF_STATUS_SUCCESS) |
| 1175 | return -EAGAIN; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1176 | |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1177 | return 0; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1178 | } |
| 1179 | |
| 1180 | /** |
Komal Seelam | 78ff65a | 2016-08-18 15:25:24 +0530 | [diff] [blame] | 1181 | * hdd_svc_fw_shutdown_ind() - API to send FW SHUTDOWN IND to Userspace |
| 1182 | * |
| 1183 | * @dev: Device Pointer |
| 1184 | * |
| 1185 | * Return: None |
| 1186 | */ |
| 1187 | void hdd_svc_fw_shutdown_ind(struct device *dev) |
| 1188 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1189 | struct hdd_context *hdd_ctx; |
Komal Seelam | 78ff65a | 2016-08-18 15:25:24 +0530 | [diff] [blame] | 1190 | v_CONTEXT_t g_context; |
| 1191 | |
| 1192 | g_context = cds_get_global_context(); |
| 1193 | |
| 1194 | if (!g_context) |
| 1195 | return; |
| 1196 | |
| 1197 | hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
| 1198 | |
| 1199 | hdd_ctx ? wlan_hdd_send_svc_nlink_msg(hdd_ctx->radio_index, |
| 1200 | WLAN_SVC_FW_SHUTDOWN_IND, |
| 1201 | NULL, 0) : 0; |
| 1202 | } |
| 1203 | |
| 1204 | /** |
Arun Khandavalli | cc544b3 | 2017-01-30 19:52:16 +0530 | [diff] [blame] | 1205 | * hdd_ssr_restart_sap() - restart sap on SSR |
| 1206 | * @hdd_ctx: hdd context |
| 1207 | * |
| 1208 | * Return: nothing |
| 1209 | */ |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1210 | static void hdd_ssr_restart_sap(struct hdd_context *hdd_ctx) |
Arun Khandavalli | cc544b3 | 2017-01-30 19:52:16 +0530 | [diff] [blame] | 1211 | { |
| 1212 | QDF_STATUS status; |
| 1213 | hdd_adapter_list_node_t *adapter_node = NULL, *next = NULL; |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1214 | struct hdd_adapter *adapter; |
Arun Khandavalli | cc544b3 | 2017-01-30 19:52:16 +0530 | [diff] [blame] | 1215 | |
| 1216 | ENTER(); |
| 1217 | |
| 1218 | status = hdd_get_front_adapter(hdd_ctx, &adapter_node); |
| 1219 | while (NULL != adapter_node && QDF_STATUS_SUCCESS == status) { |
| 1220 | adapter = adapter_node->pAdapter; |
| 1221 | if (adapter && adapter->device_mode == QDF_SAP_MODE) { |
Manikandan Mohan | 0a0ac95 | 2017-02-16 15:49:31 -0800 | [diff] [blame] | 1222 | if (test_bit(SOFTAP_INIT_DONE, &adapter->event_flags)) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1223 | hdd_debug("Restart prev SAP session"); |
Manikandan Mohan | 0a0ac95 | 2017-02-16 15:49:31 -0800 | [diff] [blame] | 1224 | wlan_hdd_start_sap(adapter, true); |
| 1225 | } |
Arun Khandavalli | cc544b3 | 2017-01-30 19:52:16 +0530 | [diff] [blame] | 1226 | } |
| 1227 | status = hdd_get_next_adapter(hdd_ctx, adapter_node, &next); |
| 1228 | adapter_node = next; |
| 1229 | } |
| 1230 | |
| 1231 | EXIT(); |
| 1232 | } |
| 1233 | |
| 1234 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1235 | * hdd_wlan_shutdown() - HDD SSR shutdown function |
| 1236 | * |
| 1237 | * This function is called by the HIF to shutdown the driver during SSR. |
| 1238 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1239 | * Return: QDF_STATUS_SUCCESS if the driver was shut down, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1240 | * or an error status otherwise |
| 1241 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1242 | QDF_STATUS hdd_wlan_shutdown(void) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1243 | { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1244 | v_CONTEXT_t p_cds_context = NULL; |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1245 | struct hdd_context *pHddCtx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1246 | p_cds_sched_context cds_sched_context = NULL; |
Prashanth Bhatta | 2ac92bd | 2016-10-11 16:08:00 -0700 | [diff] [blame] | 1247 | QDF_STATUS qdf_status; |
Manikandan Mohan | 8b4e201 | 2017-03-22 11:15:55 -0700 | [diff] [blame] | 1248 | void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1249 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1250 | hdd_info("WLAN driver shutting down!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1251 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1252 | /* Get the global CDS context. */ |
| 1253 | p_cds_context = cds_get_global_context(); |
| 1254 | if (!p_cds_context) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1255 | hdd_err("Global CDS context is Null"); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1256 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1257 | } |
| 1258 | |
| 1259 | /* Get the HDD context. */ |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1260 | pHddCtx = cds_get_context(QDF_MODULE_ID_HDD); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1261 | if (!pHddCtx) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1262 | hdd_err("HDD context is Null"); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1263 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1264 | } |
| 1265 | |
Tushnim Bhattacharyya | de1070d | 2017-03-09 13:23:55 -0800 | [diff] [blame] | 1266 | policy_mgr_clear_concurrent_session_count(pHddCtx->hdd_psoc); |
Himanshu Agarwal | f65bd4c | 2016-12-05 17:21:12 +0530 | [diff] [blame] | 1267 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1268 | hdd_debug("Invoking packetdump deregistration API"); |
Himanshu Agarwal | f65bd4c | 2016-12-05 17:21:12 +0530 | [diff] [blame] | 1269 | wlan_deregister_txrx_packetdump(); |
Sandeep Puligilla | 8de3c1c | 2017-04-13 17:56:18 -0700 | [diff] [blame] | 1270 | wlan_cfg80211_cleanup_scan_queue(pHddCtx->hdd_pdev); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1271 | hdd_reset_all_adapters(pHddCtx); |
| 1272 | |
Poddar, Siddarth | 1ab0a3d | 2016-09-29 18:58:45 +0530 | [diff] [blame] | 1273 | /* Flush cached rx frame queue */ |
Manikandan Mohan | 8b4e201 | 2017-03-22 11:15:55 -0700 | [diff] [blame] | 1274 | if (soc) |
| 1275 | cdp_flush_cache_rx_queue(soc); |
Poddar, Siddarth | 1ab0a3d | 2016-09-29 18:58:45 +0530 | [diff] [blame] | 1276 | |
Arun Khandavalli | 4b55da7 | 2016-07-19 19:55:01 +0530 | [diff] [blame] | 1277 | /* De-register the HDD callbacks */ |
| 1278 | hdd_deregister_cb(pHddCtx); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1279 | |
| 1280 | cds_sched_context = get_cds_sched_ctxt(); |
| 1281 | |
Rajeev Kumar | eada0d0 | 2016-12-08 17:44:17 -0800 | [diff] [blame] | 1282 | if (pHddCtx->is_scheduler_suspended) { |
Rajeev Kumar | 0b73295 | 2016-12-08 17:51:39 -0800 | [diff] [blame] | 1283 | scheduler_resume(); |
Rajeev Kumar | eada0d0 | 2016-12-08 17:44:17 -0800 | [diff] [blame] | 1284 | pHddCtx->is_scheduler_suspended = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1285 | } |
| 1286 | #ifdef QCA_CONFIG_SMP |
| 1287 | if (true == pHddCtx->is_ol_rx_thread_suspended) { |
| 1288 | complete(&cds_sched_context->ol_resume_rx_event); |
| 1289 | pHddCtx->is_ol_rx_thread_suspended = false; |
| 1290 | } |
| 1291 | #endif |
| 1292 | |
Prashanth Bhatta | 2ac92bd | 2016-10-11 16:08:00 -0700 | [diff] [blame] | 1293 | qdf_status = cds_sched_close(p_cds_context); |
| 1294 | if (!QDF_IS_STATUS_SUCCESS(qdf_status)) { |
| 1295 | hdd_err("Failed to close CDS Scheduler"); |
| 1296 | QDF_ASSERT(false); |
| 1297 | } |
| 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 | qdf_mc_timer_stop(&pHddCtx->tdls_source_timer); |
| 1301 | |
Prashanth Bhatta | ab00438 | 2016-10-11 16:08:11 -0700 | [diff] [blame] | 1302 | hdd_bus_bandwidth_destroy(pHddCtx); |
| 1303 | |
Rajeev Kumar | 3fef4e8 | 2017-03-31 20:25:23 -0700 | [diff] [blame] | 1304 | hdd_wlan_stop_modules(pHddCtx, false); |
Manishekar Chandrasekaran | f7a1dad | 2016-06-23 06:43:47 +0530 | [diff] [blame] | 1305 | |
Jeff Johnson | f7f66f0 | 2016-09-23 14:50:11 -0700 | [diff] [blame] | 1306 | hdd_lpass_notify_stop(pHddCtx); |
Yuanyuan Liu | 3e918e5 | 2016-08-17 15:41:35 -0700 | [diff] [blame] | 1307 | |
Yue Ma | 2be1287 | 2017-06-02 13:06:58 -0700 | [diff] [blame] | 1308 | wlan_objmgr_print_ref_all_objects_per_psoc(pHddCtx->hdd_psoc); |
| 1309 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1310 | hdd_info("WLAN driver shutdown complete"); |
Yue Ma | 2be1287 | 2017-06-02 13:06:58 -0700 | [diff] [blame] | 1311 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1312 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1313 | } |
| 1314 | |
Sen, Devendra | 154b3c4 | 2017-02-13 20:44:15 +0530 | [diff] [blame] | 1315 | #ifdef FEATURE_WLAN_DIAG_SUPPORT |
| 1316 | /** |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 1317 | * hdd_wlan_ssr_reinit_event()- send ssr reinit state |
| 1318 | * |
| 1319 | * This Function send send ssr reinit state diag event |
| 1320 | * |
| 1321 | * Return: void. |
| 1322 | */ |
Sen, Devendra | 154b3c4 | 2017-02-13 20:44:15 +0530 | [diff] [blame] | 1323 | static void hdd_wlan_ssr_reinit_event(void) |
| 1324 | { |
| 1325 | WLAN_HOST_DIAG_EVENT_DEF(ssr_reinit, struct host_event_wlan_ssr_reinit); |
| 1326 | qdf_mem_zero(&ssr_reinit, sizeof(ssr_reinit)); |
| 1327 | ssr_reinit.status = SSR_SUB_SYSTEM_REINIT; |
| 1328 | WLAN_HOST_DIAG_EVENT_REPORT(&ssr_reinit, |
| 1329 | EVENT_WLAN_SSR_REINIT_SUBSYSTEM); |
| 1330 | } |
| 1331 | #else |
| 1332 | static inline void hdd_wlan_ssr_reinit_event(void) |
| 1333 | { |
| 1334 | |
| 1335 | } |
| 1336 | #endif |
| 1337 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1338 | /** |
| 1339 | * hdd_wlan_re_init() - HDD SSR re-init function |
| 1340 | * |
| 1341 | * This function is called by the HIF to re-initialize the driver after SSR. |
| 1342 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1343 | * Return: QDF_STATUS_SUCCESS if the driver was re-initialized, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1344 | * or an error status otherwise |
| 1345 | */ |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1346 | QDF_STATUS hdd_wlan_re_init(void) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1347 | { |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1348 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1349 | v_CONTEXT_t p_cds_context = NULL; |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1350 | struct hdd_context *pHddCtx = NULL; |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1351 | struct hdd_adapter *pAdapter; |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1352 | int ret; |
Mukul Sharma | f7d62e1 | 2016-09-03 15:16:22 +0530 | [diff] [blame] | 1353 | bool bug_on_reinit_failure = CFG_BUG_ON_REINIT_FAILURE_DEFAULT; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1354 | |
| 1355 | hdd_prevent_suspend(WIFI_POWER_EVENT_WAKELOCK_DRIVER_REINIT); |
| 1356 | |
| 1357 | /* Get the CDS context */ |
| 1358 | p_cds_context = cds_get_global_context(); |
| 1359 | if (p_cds_context == NULL) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1360 | hdd_err("Failed cds_get_global_context"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1361 | goto err_re_init; |
| 1362 | } |
| 1363 | |
| 1364 | /* Get the HDD context */ |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1365 | pHddCtx = cds_get_context(QDF_MODULE_ID_HDD); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1366 | if (!pHddCtx) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1367 | hdd_err("HDD context is Null"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1368 | goto err_re_init; |
| 1369 | } |
Mukul Sharma | f7d62e1 | 2016-09-03 15:16:22 +0530 | [diff] [blame] | 1370 | bug_on_reinit_failure = pHddCtx->config->bug_on_reinit_failure; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1371 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1372 | /* The driver should always be initialized in STA mode after SSR */ |
| 1373 | hdd_set_conparam(0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1374 | /* Try to get an adapter from mode ID */ |
Krunal Soni | fb84cbd | 2016-03-10 13:09:07 -0800 | [diff] [blame] | 1375 | pAdapter = hdd_get_adapter(pHddCtx, QDF_STA_MODE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1376 | if (!pAdapter) { |
Krunal Soni | fb84cbd | 2016-03-10 13:09:07 -0800 | [diff] [blame] | 1377 | pAdapter = hdd_get_adapter(pHddCtx, QDF_SAP_MODE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1378 | if (!pAdapter) { |
Krunal Soni | fb84cbd | 2016-03-10 13:09:07 -0800 | [diff] [blame] | 1379 | pAdapter = hdd_get_adapter(pHddCtx, QDF_IBSS_MODE); |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 1380 | if (!pAdapter) |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1381 | hdd_err("Failed to get Adapter!"); |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 1382 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1383 | } |
| 1384 | } |
| 1385 | |
Nirav Shah | cc1f1ae | 2016-04-26 11:41:29 +0530 | [diff] [blame] | 1386 | if (pHddCtx->config->enable_dp_trace) |
| 1387 | qdf_dp_trace_init(); |
| 1388 | |
Prashanth Bhatta | ab00438 | 2016-10-11 16:08:11 -0700 | [diff] [blame] | 1389 | hdd_bus_bandwidth_init(pHddCtx); |
| 1390 | |
Arun Khandavalli | cc544b3 | 2017-01-30 19:52:16 +0530 | [diff] [blame] | 1391 | |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1392 | ret = hdd_wlan_start_modules(pHddCtx, pAdapter, true); |
| 1393 | if (ret) { |
| 1394 | hdd_err("Failed to start wlan after error"); |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 1395 | goto err_re_init; |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1396 | } |
| 1397 | |
Arun Khandavalli | a96c2c0 | 2016-05-17 19:15:34 +0530 | [diff] [blame] | 1398 | hdd_wlan_get_version(pHddCtx, NULL, NULL); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1399 | |
Wu Gao | 3671743 | 2016-11-21 15:09:48 +0800 | [diff] [blame] | 1400 | wlan_hdd_send_svc_nlink_msg(pHddCtx->radio_index, |
| 1401 | WLAN_SVC_FW_CRASHED_IND, NULL, 0); |
| 1402 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1403 | /* Restart all adapters */ |
| 1404 | hdd_start_all_adapters(pHddCtx); |
| 1405 | |
Sreelakshmi Konamki | b53c629 | 2017-03-01 13:13:23 +0530 | [diff] [blame] | 1406 | pHddCtx->last_scan_reject_session_id = 0xFF; |
| 1407 | pHddCtx->last_scan_reject_reason = 0; |
| 1408 | pHddCtx->last_scan_reject_timestamp = 0; |
Abhishek Singh | 0013068 | 2017-07-14 10:46:17 +0530 | [diff] [blame] | 1409 | pHddCtx->scan_reject_cnt = 0; |
Sreelakshmi Konamki | b53c629 | 2017-03-01 13:13:23 +0530 | [diff] [blame] | 1410 | |
Selvaraj, Sridhar | 1c48756 | 2017-04-19 14:29:07 +0530 | [diff] [blame] | 1411 | hdd_set_roaming_in_progress(false); |
Abhishek Singh | 533c9da | 2017-05-04 10:23:34 +0530 | [diff] [blame] | 1412 | complete(&pAdapter->roaming_comp_var); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1413 | pHddCtx->btCoexModeSet = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1414 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1415 | /* Allow the phone to go to sleep */ |
| 1416 | hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_DRIVER_REINIT); |
Ravi Kumar Bokka | 05c14e5 | 2017-03-27 14:48:23 +0530 | [diff] [blame] | 1417 | /* set chip power save failure detected callback */ |
| 1418 | sme_set_chip_pwr_save_fail_cb(pHddCtx->hHal, |
| 1419 | hdd_chip_pwr_save_fail_detected_cb); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1420 | |
Arun Khandavalli | 4b55da7 | 2016-07-19 19:55:01 +0530 | [diff] [blame] | 1421 | ret = hdd_register_cb(pHddCtx); |
| 1422 | if (ret) { |
| 1423 | hdd_err("Failed to register HDD callbacks!"); |
Chandrasekaran Manishekar | cde33d7 | 2016-04-14 19:03:39 +0530 | [diff] [blame] | 1424 | goto err_cds_disable; |
Arun Khandavalli | 4b55da7 | 2016-07-19 19:55:01 +0530 | [diff] [blame] | 1425 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1426 | |
Jeff Johnson | 9afc501 | 2016-09-23 13:56:27 -0700 | [diff] [blame] | 1427 | hdd_lpass_notify_start(pHddCtx); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1428 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1429 | hdd_info("WLAN host driver reinitiation completed!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1430 | goto success; |
| 1431 | |
| 1432 | err_cds_disable: |
Rajeev Kumar | 3fef4e8 | 2017-03-31 20:25:23 -0700 | [diff] [blame] | 1433 | hdd_wlan_stop_modules(pHddCtx, false); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1434 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1435 | err_re_init: |
| 1436 | /* Allow the phone to go to sleep */ |
| 1437 | hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_DRIVER_REINIT); |
Mukul Sharma | f7d62e1 | 2016-09-03 15:16:22 +0530 | [diff] [blame] | 1438 | if (bug_on_reinit_failure) |
| 1439 | QDF_BUG(0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1440 | return -EPERM; |
| 1441 | |
| 1442 | success: |
Arun Khandavalli | cc544b3 | 2017-01-30 19:52:16 +0530 | [diff] [blame] | 1443 | if (pHddCtx->config->sap_internal_restart) |
| 1444 | hdd_ssr_restart_sap(pHddCtx); |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 1445 | |
Sen, Devendra | 154b3c4 | 2017-02-13 20:44:15 +0530 | [diff] [blame] | 1446 | hdd_wlan_ssr_reinit_event(); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1447 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1448 | } |
| 1449 | |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1450 | int wlan_hdd_set_powersave(struct hdd_adapter *adapter, |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1451 | bool allow_power_save, uint32_t timeout) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1452 | { |
| 1453 | tHalHandle hal; |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1454 | struct hdd_context *hdd_ctx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1455 | |
| 1456 | if (NULL == adapter) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1457 | hdd_err("Adapter NULL"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1458 | return -ENODEV; |
| 1459 | } |
| 1460 | |
| 1461 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 1462 | if (!hdd_ctx) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1463 | hdd_err("hdd context is NULL"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1464 | return -EINVAL; |
| 1465 | } |
| 1466 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1467 | hdd_debug("Allow power save: %d", allow_power_save); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1468 | hal = WLAN_HDD_GET_HAL_CTX(adapter); |
| 1469 | |
Dustin Brown | 84411b0 | 2017-07-21 16:44:44 -0700 | [diff] [blame] | 1470 | /* |
| 1471 | * This is a workaround for defective AP's that send a disassoc |
| 1472 | * immediately after WPS connection completes. Defer powersave by a |
| 1473 | * small amount if the affected AP is detected. |
| 1474 | */ |
| 1475 | if (allow_power_save && |
| 1476 | adapter->device_mode == QDF_STA_MODE && |
Krunal Soni | 364e087 | 2017-05-10 21:24:34 -0700 | [diff] [blame] | 1477 | !adapter->sessionCtx.station.ap_supports_immediate_power_save) { |
| 1478 | /* override user's requested flag */ |
Krunal Soni | 364e087 | 2017-05-10 21:24:34 -0700 | [diff] [blame] | 1479 | allow_power_save = false; |
Dustin Brown | 84411b0 | 2017-07-21 16:44:44 -0700 | [diff] [blame] | 1480 | timeout = AUTO_PS_DEFER_TIMEOUT_MS; |
| 1481 | hdd_debug("Defer power-save due to AP spec non-conformance"); |
Krunal Soni | 364e087 | 2017-05-10 21:24:34 -0700 | [diff] [blame] | 1482 | } |
| 1483 | |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1484 | if (allow_power_save) { |
| 1485 | if (QDF_STA_MODE == adapter->device_mode || |
| 1486 | QDF_P2P_CLIENT_MODE == adapter->device_mode) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1487 | hdd_debug("Disabling Auto Power save timer"); |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1488 | sme_ps_disable_auto_ps_timer( |
| 1489 | WLAN_HDD_GET_HAL_CTX(adapter), |
| 1490 | adapter->sessionId); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1491 | } |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1492 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1493 | if (hdd_ctx->config && hdd_ctx->config->is_ps_enabled) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1494 | hdd_debug("Wlan driver Entering Power save"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1495 | |
| 1496 | /* |
| 1497 | * Enter Power Save command received from GUI |
| 1498 | * this means DHCP is completed |
| 1499 | */ |
| 1500 | sme_ps_enable_disable(hal, adapter->sessionId, |
| 1501 | SME_PS_ENABLE); |
| 1502 | } else { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1503 | hdd_debug("Power Save is not enabled in the cfg"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1504 | } |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1505 | } else { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1506 | hdd_debug("Wlan driver Entering Full Power"); |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1507 | |
| 1508 | /* |
| 1509 | * Enter Full power command received from GUI |
| 1510 | * this means we are disconnected |
| 1511 | */ |
| 1512 | sme_ps_disable_auto_ps_timer(WLAN_HDD_GET_HAL_CTX(adapter), |
| 1513 | adapter->sessionId); |
| 1514 | sme_ps_enable_disable(hal, adapter->sessionId, SME_PS_DISABLE); |
| 1515 | sme_ps_enable_auto_ps_timer(WLAN_HDD_GET_HAL_CTX(adapter), |
Dustin Brown | 84411b0 | 2017-07-21 16:44:44 -0700 | [diff] [blame] | 1516 | adapter->sessionId, timeout); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1517 | } |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1518 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1519 | return 0; |
| 1520 | } |
| 1521 | |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1522 | 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] | 1523 | { |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1524 | struct suspend_resume_stats *stats = &hdd_ctx->suspend_resume_stats; |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 1525 | |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 1526 | 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] | 1527 | stats->suspend_fail[SUSPEND_FAIL_IPA], |
| 1528 | stats->suspend_fail[SUSPEND_FAIL_RADAR], |
| 1529 | stats->suspend_fail[SUSPEND_FAIL_ROAM], |
| 1530 | stats->suspend_fail[SUSPEND_FAIL_SCAN], |
| 1531 | stats->suspend_fail[SUSPEND_FAIL_INITIAL_WAKEUP]); |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 1532 | } |
| 1533 | |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1534 | void wlan_hdd_inc_suspend_stats(struct hdd_context *hdd_ctx, |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 1535 | enum suspend_fail_reason reason) |
| 1536 | { |
| 1537 | wlan_hdd_print_suspend_fail_stats(hdd_ctx); |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1538 | hdd_ctx->suspend_resume_stats.suspend_fail[reason]++; |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 1539 | wlan_hdd_print_suspend_fail_stats(hdd_ctx); |
| 1540 | } |
| 1541 | |
Dustin Brown | 5fbb105 | 2017-08-11 17:25:51 -0700 | [diff] [blame] | 1542 | #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0) |
| 1543 | static inline void |
| 1544 | hdd_sched_scan_results(struct wiphy *wiphy, uint64_t reqid) |
| 1545 | { |
| 1546 | cfg80211_sched_scan_results(wiphy); |
| 1547 | } |
| 1548 | #else |
| 1549 | static inline void |
| 1550 | hdd_sched_scan_results(struct wiphy *wiphy, uint64_t reqid) |
| 1551 | { |
| 1552 | cfg80211_sched_scan_results(wiphy, reqid); |
| 1553 | } |
| 1554 | #endif |
| 1555 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1556 | /** |
| 1557 | * __wlan_hdd_cfg80211_resume_wlan() - cfg80211 resume callback |
| 1558 | * @wiphy: Pointer to wiphy |
| 1559 | * |
| 1560 | * This API is called when cfg80211 driver resumes driver updates |
| 1561 | * latest sched_scan scan result(if any) to cfg80211 database |
| 1562 | * |
| 1563 | * Return: integer status |
| 1564 | */ |
| 1565 | static int __wlan_hdd_cfg80211_resume_wlan(struct wiphy *wiphy) |
| 1566 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1567 | struct hdd_context *pHddCtx = wiphy_priv(wiphy); |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1568 | struct hdd_adapter *pAdapter; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1569 | hdd_adapter_list_node_t *pAdapterNode, *pNext; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1570 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1571 | int exit_code; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1572 | p_cds_sched_context cds_sched_context = get_cds_sched_ctxt(); |
| 1573 | |
| 1574 | ENTER(); |
| 1575 | |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1576 | if (cds_is_driver_recovering()) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1577 | hdd_debug("Driver is recovering; Skipping resume"); |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1578 | exit_code = 0; |
| 1579 | goto exit_with_code; |
| 1580 | } |
Prashanth Bhatta | 697dd0c | 2016-10-20 18:42:41 -0700 | [diff] [blame] | 1581 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1582 | if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1583 | hdd_err("Command not allowed in FTM mode"); |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1584 | exit_code = -EINVAL; |
| 1585 | goto exit_with_code; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1586 | } |
| 1587 | |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1588 | exit_code = wlan_hdd_validate_context(pHddCtx); |
| 1589 | if (exit_code) { |
| 1590 | hdd_err("Invalid HDD context"); |
| 1591 | goto exit_with_code; |
| 1592 | } |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1593 | |
| 1594 | mutex_lock(&pHddCtx->iface_change_lock); |
| 1595 | if (pHddCtx->driver_status != DRIVER_MODULES_ENABLED) { |
| 1596 | mutex_unlock(&pHddCtx->iface_change_lock); |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1597 | hdd_debug("Driver is not enabled; Skipping resume"); |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1598 | exit_code = 0; |
| 1599 | goto exit_with_code; |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1600 | } |
| 1601 | mutex_unlock(&pHddCtx->iface_change_lock); |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1602 | |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 1603 | pld_request_bus_bandwidth(pHddCtx->parent_dev, PLD_BUS_WIDTH_MEDIUM); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1604 | |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1605 | status = hdd_resume_wlan(); |
| 1606 | if (status != QDF_STATUS_SUCCESS) { |
| 1607 | exit_code = 0; |
| 1608 | goto exit_with_code; |
| 1609 | } |
Rajeev Kumar | eada0d0 | 2016-12-08 17:44:17 -0800 | [diff] [blame] | 1610 | /* Resume control path scheduler */ |
| 1611 | if (pHddCtx->is_scheduler_suspended) { |
Rajeev Kumar | 0b73295 | 2016-12-08 17:51:39 -0800 | [diff] [blame] | 1612 | scheduler_resume(); |
Rajeev Kumar | eada0d0 | 2016-12-08 17:44:17 -0800 | [diff] [blame] | 1613 | pHddCtx->is_scheduler_suspended = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1614 | } |
| 1615 | #ifdef QCA_CONFIG_SMP |
| 1616 | /* Resume tlshim Rx thread */ |
| 1617 | if (pHddCtx->is_ol_rx_thread_suspended) { |
| 1618 | complete(&cds_sched_context->ol_resume_rx_event); |
| 1619 | pHddCtx->is_ol_rx_thread_suspended = false; |
| 1620 | } |
| 1621 | #endif |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1622 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1623 | MTRACE(qdf_trace(QDF_MODULE_ID_HDD, |
Sreelakshmi Konamki | 6744cff | 2015-09-07 12:10:39 +0530 | [diff] [blame] | 1624 | TRACE_CODE_HDD_CFG80211_RESUME_WLAN, |
| 1625 | NO_SESSION, pHddCtx->isWiphySuspended)); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1626 | qdf_spin_lock(&pHddCtx->sched_scan_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1627 | pHddCtx->isWiphySuspended = false; |
| 1628 | if (true != pHddCtx->isSchedScanUpdatePending) { |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1629 | qdf_spin_unlock(&pHddCtx->sched_scan_lock); |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1630 | hdd_debug("Return resume is not due to PNO indication"); |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1631 | goto exit_with_success; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1632 | } |
| 1633 | /* Reset flag to avoid updatating cfg80211 data old results again */ |
| 1634 | pHddCtx->isSchedScanUpdatePending = false; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1635 | qdf_spin_unlock(&pHddCtx->sched_scan_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1636 | |
| 1637 | status = hdd_get_front_adapter(pHddCtx, &pAdapterNode); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1638 | while (NULL != pAdapterNode && QDF_STATUS_SUCCESS == status) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1639 | pAdapter = pAdapterNode->pAdapter; |
| 1640 | if ((NULL != pAdapter) && |
Krunal Soni | fb84cbd | 2016-03-10 13:09:07 -0800 | [diff] [blame] | 1641 | (QDF_STA_MODE == pAdapter->device_mode)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1642 | if (0 != |
| 1643 | wlan_hdd_cfg80211_update_bss(pHddCtx->wiphy, |
| 1644 | pAdapter, 0)) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1645 | hdd_warn("NO SCAN result"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1646 | } else { |
| 1647 | /* Acquire wakelock to handle the case where |
| 1648 | * APP's tries to suspend immediately after |
| 1649 | * updating the scan results. Whis results in |
| 1650 | * app's is in suspended state and not able to |
| 1651 | * process the connect request to AP |
| 1652 | */ |
Sreelakshmi Konamki | 2252853 | 2016-09-06 16:34:50 +0530 | [diff] [blame] | 1653 | hdd_prevent_suspend_timeout( |
Dustin Brown | ceed67e | 2017-05-26 11:57:31 -0700 | [diff] [blame] | 1654 | HDD_WAKELOCK_TIMEOUT_RESUME, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1655 | WIFI_POWER_EVENT_WAKELOCK_RESUME_WLAN); |
Dustin Brown | 5fbb105 | 2017-08-11 17:25:51 -0700 | [diff] [blame] | 1656 | hdd_sched_scan_results(pHddCtx->wiphy, 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1657 | } |
| 1658 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1659 | hdd_debug("cfg80211 scan result database updated"); |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1660 | goto exit_with_success; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1661 | } |
| 1662 | status = hdd_get_next_adapter(pHddCtx, pAdapterNode, &pNext); |
| 1663 | pAdapterNode = pNext; |
| 1664 | } |
| 1665 | |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1666 | exit_with_success: |
| 1667 | pHddCtx->suspend_resume_stats.resumes++; |
| 1668 | exit_code = 0; |
| 1669 | |
| 1670 | exit_with_code: |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 1671 | EXIT(); |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 1672 | return exit_code; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1673 | } |
| 1674 | |
| 1675 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1676 | * wlan_hdd_cfg80211_resume_wlan() - cfg80211 resume callback |
| 1677 | * @wiphy: Pointer to wiphy |
| 1678 | * |
| 1679 | * This API is called when cfg80211 driver resumes driver updates |
| 1680 | * latest sched_scan scan result(if any) to cfg80211 database |
| 1681 | * |
| 1682 | * Return: integer status |
| 1683 | */ |
| 1684 | int wlan_hdd_cfg80211_resume_wlan(struct wiphy *wiphy) |
| 1685 | { |
| 1686 | int ret; |
| 1687 | |
| 1688 | cds_ssr_protect(__func__); |
| 1689 | ret = __wlan_hdd_cfg80211_resume_wlan(wiphy); |
| 1690 | cds_ssr_unprotect(__func__); |
| 1691 | |
| 1692 | return ret; |
| 1693 | } |
| 1694 | |
Krunal Soni | d32c6bc | 2016-10-18 18:00:21 -0700 | [diff] [blame] | 1695 | static void hdd_suspend_cb(void) |
| 1696 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1697 | struct hdd_context *hdd_ctx; |
Krunal Soni | d32c6bc | 2016-10-18 18:00:21 -0700 | [diff] [blame] | 1698 | |
| 1699 | hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
| 1700 | if (!hdd_ctx) { |
| 1701 | cds_err("HDD context is NULL"); |
| 1702 | return; |
| 1703 | } |
| 1704 | |
| 1705 | complete(&hdd_ctx->mc_sus_event_var); |
| 1706 | } |
| 1707 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1708 | /** |
| 1709 | * __wlan_hdd_cfg80211_suspend_wlan() - cfg80211 suspend callback |
| 1710 | * @wiphy: Pointer to wiphy |
| 1711 | * @wow: Pointer to wow |
| 1712 | * |
| 1713 | * This API is called when cfg80211 driver suspends |
| 1714 | * |
| 1715 | * Return: integer status |
| 1716 | */ |
| 1717 | static int __wlan_hdd_cfg80211_suspend_wlan(struct wiphy *wiphy, |
| 1718 | struct cfg80211_wowlan *wow) |
| 1719 | { |
| 1720 | #ifdef QCA_CONFIG_SMP |
| 1721 | #define RX_TLSHIM_SUSPEND_TIMEOUT 200 /* msecs */ |
| 1722 | #endif |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1723 | struct hdd_context *pHddCtx = wiphy_priv(wiphy); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1724 | p_cds_sched_context cds_sched_context = get_cds_sched_ctxt(); |
| 1725 | hdd_adapter_list_node_t *pAdapterNode = NULL, *pNext = NULL; |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1726 | struct hdd_adapter *pAdapter; |
Jeff Johnson | 3758894 | 2017-08-15 16:11:41 -0700 | [diff] [blame] | 1727 | struct hdd_scan_info *pScanInfo; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1728 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1729 | int rc; |
| 1730 | |
| 1731 | ENTER(); |
| 1732 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1733 | if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1734 | hdd_err("Command not allowed in FTM mode"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1735 | return -EINVAL; |
| 1736 | } |
| 1737 | |
| 1738 | rc = wlan_hdd_validate_context(pHddCtx); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 1739 | if (0 != rc) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1740 | return rc; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1741 | |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1742 | mutex_lock(&pHddCtx->iface_change_lock); |
| 1743 | if (pHddCtx->driver_status != DRIVER_MODULES_ENABLED) { |
| 1744 | mutex_unlock(&pHddCtx->iface_change_lock); |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1745 | hdd_debug("Driver Modules not Enabled "); |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 1746 | return 0; |
| 1747 | } |
| 1748 | mutex_unlock(&pHddCtx->iface_change_lock); |
| 1749 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1750 | /* If RADAR detection is in progress (HDD), prevent suspend. The flag |
| 1751 | * "dfs_cac_block_tx" is set to true when RADAR is found and stay true |
| 1752 | * until CAC is done for a SoftAP which is in started state. |
| 1753 | */ |
| 1754 | status = hdd_get_front_adapter(pHddCtx, &pAdapterNode); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1755 | while (NULL != pAdapterNode && QDF_STATUS_SUCCESS == status) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1756 | pAdapter = pAdapterNode->pAdapter; |
Hanumanth Reddy Pothula | d9491f4 | 2016-10-24 19:08:38 +0530 | [diff] [blame] | 1757 | |
| 1758 | if (wlan_hdd_validate_session_id(pAdapter->sessionId)) { |
| 1759 | hdd_err("invalid session id: %d", pAdapter->sessionId); |
| 1760 | goto next_adapter; |
| 1761 | } |
| 1762 | |
Krunal Soni | fb84cbd | 2016-03-10 13:09:07 -0800 | [diff] [blame] | 1763 | if (QDF_SAP_MODE == pAdapter->device_mode) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1764 | if (BSS_START == |
| 1765 | WLAN_HDD_GET_HOSTAP_STATE_PTR(pAdapter)->bssState && |
| 1766 | true == |
| 1767 | WLAN_HDD_GET_AP_CTX_PTR(pAdapter)-> |
| 1768 | dfs_cac_block_tx) { |
Dustin Brown | 2d22823 | 2016-09-22 15:06:19 -0700 | [diff] [blame] | 1769 | hdd_err("RADAR detection in progress, do not allow suspend"); |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 1770 | wlan_hdd_inc_suspend_stats(pHddCtx, |
| 1771 | SUSPEND_FAIL_RADAR); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1772 | return -EAGAIN; |
| 1773 | } else if (!pHddCtx->config->enableSapSuspend) { |
| 1774 | /* return -EOPNOTSUPP if SAP does not support |
| 1775 | * suspend |
| 1776 | */ |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1777 | hdd_err("SAP does not support suspend!!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1778 | return -EOPNOTSUPP; |
| 1779 | } |
Krunal Soni | fb84cbd | 2016-03-10 13:09:07 -0800 | [diff] [blame] | 1780 | } else if (QDF_P2P_GO_MODE == pAdapter->device_mode) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1781 | if (!pHddCtx->config->enableSapSuspend) { |
| 1782 | /* return -EOPNOTSUPP if GO does not support |
| 1783 | * suspend |
| 1784 | */ |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1785 | hdd_err("GO does not support suspend!!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1786 | return -EOPNOTSUPP; |
| 1787 | } |
| 1788 | } |
Masti, Narayanraddi | 3e26de6 | 2016-08-19 14:33:22 +0530 | [diff] [blame] | 1789 | if (pAdapter->is_roc_inprogress) |
| 1790 | wlan_hdd_cleanup_remain_on_channel_ctx(pAdapter); |
Hanumanth Reddy Pothula | d9491f4 | 2016-10-24 19:08:38 +0530 | [diff] [blame] | 1791 | next_adapter: |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1792 | status = hdd_get_next_adapter(pHddCtx, pAdapterNode, &pNext); |
| 1793 | pAdapterNode = pNext; |
| 1794 | } |
| 1795 | |
| 1796 | /* Stop ongoing scan on each interface */ |
| 1797 | status = hdd_get_front_adapter(pHddCtx, &pAdapterNode); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1798 | while (NULL != pAdapterNode && QDF_STATUS_SUCCESS == status) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1799 | pAdapter = pAdapterNode->pAdapter; |
| 1800 | pScanInfo = &pAdapter->scan_info; |
| 1801 | |
Sandeep Puligilla | f852712 | 2016-11-16 18:35:16 -0800 | [diff] [blame] | 1802 | if (sme_neighbor_middle_of_roaming |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1803 | (pHddCtx->hHal, pAdapter->sessionId)) { |
Dustin Brown | 2d22823 | 2016-09-22 15:06:19 -0700 | [diff] [blame] | 1804 | hdd_err("Roaming in progress, do not allow suspend"); |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 1805 | wlan_hdd_inc_suspend_stats(pHddCtx, |
| 1806 | SUSPEND_FAIL_ROAM); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1807 | return -EAGAIN; |
| 1808 | } |
| 1809 | |
Dustin Brown | c86d536 | 2017-07-07 13:08:51 -0700 | [diff] [blame] | 1810 | wlan_abort_scan(pHddCtx->hdd_pdev, INVAL_PDEV_ID, |
| 1811 | pAdapter->sessionId, INVALID_SCAN_ID, false); |
| 1812 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1813 | status = hdd_get_next_adapter(pHddCtx, pAdapterNode, &pNext); |
| 1814 | pAdapterNode = pNext; |
| 1815 | } |
| 1816 | |
Dustin Brown | 84411b0 | 2017-07-21 16:44:44 -0700 | [diff] [blame] | 1817 | /* flush any pending powersave timers */ |
| 1818 | status = hdd_get_front_adapter(pHddCtx, &pAdapterNode); |
| 1819 | while (pAdapterNode && QDF_IS_STATUS_SUCCESS(status)) { |
| 1820 | pAdapter = pAdapterNode->pAdapter; |
| 1821 | |
| 1822 | sme_ps_timer_flush_sync(pHddCtx->hHal, pAdapter->sessionId); |
| 1823 | |
| 1824 | status = hdd_get_next_adapter(pHddCtx, pAdapterNode, |
| 1825 | &pAdapterNode); |
| 1826 | } |
| 1827 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1828 | /* |
| 1829 | * Suspend IPA early before proceeding to suspend other entities like |
| 1830 | * firmware to avoid any race conditions. |
| 1831 | */ |
| 1832 | if (hdd_ipa_suspend(pHddCtx)) { |
Dustin Brown | 2d22823 | 2016-09-22 15:06:19 -0700 | [diff] [blame] | 1833 | hdd_err("IPA not ready to suspend!"); |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 1834 | wlan_hdd_inc_suspend_stats(pHddCtx, SUSPEND_FAIL_IPA); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1835 | return -EAGAIN; |
| 1836 | } |
| 1837 | |
Rajeev Kumar | eada0d0 | 2016-12-08 17:44:17 -0800 | [diff] [blame] | 1838 | /* Suspend control path scheduler */ |
Krunal Soni | d32c6bc | 2016-10-18 18:00:21 -0700 | [diff] [blame] | 1839 | scheduler_register_hdd_suspend_callback(hdd_suspend_cb); |
Manjeet Singh | 1a376ce | 2016-10-06 19:31:10 +0530 | [diff] [blame] | 1840 | scheduler_set_event_mask(MC_SUSPEND_EVENT); |
Krunal Soni | d32c6bc | 2016-10-18 18:00:21 -0700 | [diff] [blame] | 1841 | scheduler_wake_up_controller_thread(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1842 | |
Rajeev Kumar | eada0d0 | 2016-12-08 17:44:17 -0800 | [diff] [blame] | 1843 | /* Wait for suspend confirmation from scheduler */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1844 | rc = wait_for_completion_timeout(&pHddCtx->mc_sus_event_var, |
| 1845 | msecs_to_jiffies(WLAN_WAIT_TIME_MCTHREAD_SUSPEND)); |
| 1846 | if (!rc) { |
Manjeet Singh | 1a376ce | 2016-10-06 19:31:10 +0530 | [diff] [blame] | 1847 | scheduler_clear_event_mask(MC_SUSPEND_EVENT); |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1848 | hdd_err("Failed to stop mc thread"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1849 | goto resume_tx; |
| 1850 | } |
Rajeev Kumar | eada0d0 | 2016-12-08 17:44:17 -0800 | [diff] [blame] | 1851 | pHddCtx->is_scheduler_suspended = true; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1852 | |
| 1853 | #ifdef QCA_CONFIG_SMP |
| 1854 | /* Suspend tlshim rx thread */ |
Manjeet Singh | 1a376ce | 2016-10-06 19:31:10 +0530 | [diff] [blame] | 1855 | set_bit(RX_SUSPEND_EVENT, &cds_sched_context->ol_rx_event_flag); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1856 | wake_up_interruptible(&cds_sched_context->ol_rx_wait_queue); |
| 1857 | rc = wait_for_completion_timeout(&cds_sched_context-> |
| 1858 | ol_suspend_rx_event, |
| 1859 | msecs_to_jiffies |
| 1860 | (RX_TLSHIM_SUSPEND_TIMEOUT)); |
| 1861 | if (!rc) { |
Manjeet Singh | 1a376ce | 2016-10-06 19:31:10 +0530 | [diff] [blame] | 1862 | clear_bit(RX_SUSPEND_EVENT, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1863 | &cds_sched_context->ol_rx_event_flag); |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1864 | hdd_err("Failed to stop tl_shim rx thread"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1865 | goto resume_all; |
| 1866 | } |
| 1867 | pHddCtx->is_ol_rx_thread_suspended = true; |
| 1868 | #endif |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 1869 | if (hdd_suspend_wlan() < 0) |
| 1870 | goto resume_all; |
| 1871 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1872 | MTRACE(qdf_trace(QDF_MODULE_ID_HDD, |
Sreelakshmi Konamki | 6744cff | 2015-09-07 12:10:39 +0530 | [diff] [blame] | 1873 | TRACE_CODE_HDD_CFG80211_SUSPEND_WLAN, |
| 1874 | NO_SESSION, pHddCtx->isWiphySuspended)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1875 | pHddCtx->isWiphySuspended = true; |
| 1876 | |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 1877 | pld_request_bus_bandwidth(pHddCtx->parent_dev, PLD_BUS_WIDTH_NONE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1878 | |
| 1879 | EXIT(); |
| 1880 | return 0; |
| 1881 | |
| 1882 | #ifdef QCA_CONFIG_SMP |
| 1883 | resume_all: |
| 1884 | |
Rajeev Kumar | 0b73295 | 2016-12-08 17:51:39 -0800 | [diff] [blame] | 1885 | scheduler_resume(); |
Rajeev Kumar | eada0d0 | 2016-12-08 17:44:17 -0800 | [diff] [blame] | 1886 | pHddCtx->is_scheduler_suspended = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1887 | #endif |
| 1888 | |
| 1889 | resume_tx: |
| 1890 | |
| 1891 | hdd_resume_wlan(); |
| 1892 | return -ETIME; |
| 1893 | |
| 1894 | } |
| 1895 | |
| 1896 | /** |
| 1897 | * wlan_hdd_cfg80211_suspend_wlan() - cfg80211 suspend callback |
| 1898 | * @wiphy: Pointer to wiphy |
| 1899 | * @wow: Pointer to wow |
| 1900 | * |
| 1901 | * This API is called when cfg80211 driver suspends |
| 1902 | * |
| 1903 | * Return: integer status |
| 1904 | */ |
| 1905 | int wlan_hdd_cfg80211_suspend_wlan(struct wiphy *wiphy, |
| 1906 | struct cfg80211_wowlan *wow) |
| 1907 | { |
| 1908 | int ret; |
| 1909 | |
| 1910 | cds_ssr_protect(__func__); |
| 1911 | ret = __wlan_hdd_cfg80211_suspend_wlan(wiphy, wow); |
| 1912 | cds_ssr_unprotect(__func__); |
| 1913 | |
| 1914 | return ret; |
| 1915 | } |
| 1916 | |
| 1917 | /** |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1918 | * hdd_stop_dhcp_ind() - API to stop DHCP sequence |
| 1919 | * @adapter: Adapter on which DHCP needs to be stopped |
| 1920 | * |
| 1921 | * Release the wakelock held for DHCP process and allow |
| 1922 | * the runtime pm to continue |
| 1923 | * |
| 1924 | * Return: None |
| 1925 | */ |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1926 | static void hdd_stop_dhcp_ind(struct hdd_adapter *adapter) |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1927 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1928 | struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1929 | |
Srinivas Girigowda | c06543c | 2017-03-09 15:10:03 -0800 | [diff] [blame] | 1930 | hdd_debug("DHCP stop indicated through power save"); |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1931 | sme_dhcp_stop_ind(hdd_ctx->hHal, adapter->device_mode, |
| 1932 | adapter->macAddressCurrent.bytes, |
| 1933 | adapter->sessionId); |
| 1934 | hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_DHCP); |
Prashanth Bhatta | 87b6dc0 | 2017-01-19 15:17:58 -0800 | [diff] [blame] | 1935 | qdf_runtime_pm_allow_suspend(&adapter->connect_rpm_ctx.connect); |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1936 | } |
| 1937 | |
| 1938 | /** |
| 1939 | * hdd_start_dhcp_ind() - API to start DHCP sequence |
| 1940 | * @adapter: Adapter on which DHCP needs to be stopped |
| 1941 | * |
| 1942 | * Prevent APPS suspend and the runtime suspend during |
| 1943 | * DHCP sequence |
| 1944 | * |
| 1945 | * Return: None |
| 1946 | */ |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1947 | static void hdd_start_dhcp_ind(struct hdd_adapter *adapter) |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1948 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1949 | struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1950 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1951 | hdd_debug("DHCP start indicated through power save"); |
Prashanth Bhatta | 87b6dc0 | 2017-01-19 15:17:58 -0800 | [diff] [blame] | 1952 | qdf_runtime_pm_prevent_suspend(&adapter->connect_rpm_ctx.connect); |
Dustin Brown | ceed67e | 2017-05-26 11:57:31 -0700 | [diff] [blame] | 1953 | hdd_prevent_suspend_timeout(HDD_WAKELOCK_TIMEOUT_CONNECT, |
| 1954 | WIFI_POWER_EVENT_WAKELOCK_DHCP); |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 1955 | sme_dhcp_start_ind(hdd_ctx->hHal, adapter->device_mode, |
| 1956 | adapter->macAddressCurrent.bytes, |
| 1957 | adapter->sessionId); |
| 1958 | } |
| 1959 | |
| 1960 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1961 | * __wlan_hdd_cfg80211_set_power_mgmt() - set cfg80211 power management config |
| 1962 | * @wiphy: Pointer to wiphy |
| 1963 | * @dev: Pointer to network device |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1964 | * @allow_power_save: is wlan allowed to go into power save mode |
| 1965 | * @timeout: Timeout value in ms |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1966 | * |
| 1967 | * Return: 0 for success, non-zero for failure |
| 1968 | */ |
| 1969 | static int __wlan_hdd_cfg80211_set_power_mgmt(struct wiphy *wiphy, |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1970 | struct net_device *dev, |
| 1971 | bool allow_power_save, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1972 | int timeout) |
| 1973 | { |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 1974 | struct hdd_adapter *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 1975 | struct hdd_context *pHddCtx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1976 | int status; |
| 1977 | |
Dustin Brown | ecfce63 | 2016-09-13 10:41:45 -0700 | [diff] [blame] | 1978 | ENTER(); |
| 1979 | |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1980 | if (timeout < 0) { |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 1981 | hdd_debug("User space timeout: %d; Using default instead: %d", |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 1982 | timeout, AUTO_PS_ENTRY_USER_TIMER_DEFAULT_VALUE); |
| 1983 | timeout = AUTO_PS_ENTRY_USER_TIMER_DEFAULT_VALUE; |
| 1984 | } |
| 1985 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1986 | if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 1987 | hdd_err("Command not allowed in FTM mode"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1988 | return -EINVAL; |
| 1989 | } |
| 1990 | |
Hanumanth Reddy Pothula | d9491f4 | 2016-10-24 19:08:38 +0530 | [diff] [blame] | 1991 | if (wlan_hdd_validate_session_id(pAdapter->sessionId)) { |
| 1992 | hdd_err("invalid session id: %d", pAdapter->sessionId); |
| 1993 | return -EINVAL; |
| 1994 | } |
| 1995 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1996 | MTRACE(qdf_trace(QDF_MODULE_ID_HDD, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1997 | TRACE_CODE_HDD_CFG80211_SET_POWER_MGMT, |
| 1998 | pAdapter->sessionId, timeout)); |
| 1999 | |
| 2000 | pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| 2001 | status = wlan_hdd_validate_context(pHddCtx); |
| 2002 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 2003 | if (0 != status) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2004 | return status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2005 | |
Arun Khandavalli | 9928645 | 2016-08-22 12:13:41 +0530 | [diff] [blame] | 2006 | mutex_lock(&pHddCtx->iface_change_lock); |
| 2007 | if (pHddCtx->driver_status != DRIVER_MODULES_ENABLED) { |
| 2008 | mutex_unlock(&pHddCtx->iface_change_lock); |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 2009 | hdd_debug("Driver Module not enabled return success"); |
Arun Khandavalli | 9928645 | 2016-08-22 12:13:41 +0530 | [diff] [blame] | 2010 | return 0; |
| 2011 | } |
| 2012 | mutex_unlock(&pHddCtx->iface_change_lock); |
| 2013 | |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 2014 | status = wlan_hdd_set_powersave(pAdapter, allow_power_save, timeout); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2015 | |
Komal Seelam | a89be8d | 2016-09-29 11:09:26 +0530 | [diff] [blame] | 2016 | allow_power_save ? hdd_stop_dhcp_ind(pAdapter) : |
| 2017 | hdd_start_dhcp_ind(pAdapter); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2018 | |
| 2019 | EXIT(); |
| 2020 | return status; |
| 2021 | } |
| 2022 | |
| 2023 | /** |
| 2024 | * wlan_hdd_cfg80211_set_power_mgmt() - set cfg80211 power management config |
| 2025 | * @wiphy: Pointer to wiphy |
| 2026 | * @dev: Pointer to network device |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 2027 | * @allow_power_save: is wlan allowed to go into power save mode |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2028 | * @timeout: Timeout value |
| 2029 | * |
| 2030 | * Return: 0 for success, non-zero for failure |
| 2031 | */ |
| 2032 | int wlan_hdd_cfg80211_set_power_mgmt(struct wiphy *wiphy, |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 2033 | struct net_device *dev, |
| 2034 | bool allow_power_save, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2035 | int timeout) |
| 2036 | { |
| 2037 | int ret; |
| 2038 | |
| 2039 | cds_ssr_protect(__func__); |
Dustin Brown | f660fb4 | 2016-09-09 12:04:00 -0700 | [diff] [blame] | 2040 | ret = __wlan_hdd_cfg80211_set_power_mgmt(wiphy, dev, |
| 2041 | allow_power_save, timeout); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2042 | cds_ssr_unprotect(__func__); |
| 2043 | |
| 2044 | return ret; |
| 2045 | } |
| 2046 | |
| 2047 | /** |
| 2048 | * __wlan_hdd_cfg80211_set_txpower() - set TX power |
| 2049 | * @wiphy: Pointer to wiphy |
| 2050 | * @wdev: Pointer to network device |
| 2051 | * @type: TX power setting type |
| 2052 | * @dbm: TX power in dbm |
| 2053 | * |
| 2054 | * Return: 0 for success, non-zero for failure |
| 2055 | */ |
| 2056 | static int __wlan_hdd_cfg80211_set_txpower(struct wiphy *wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2057 | struct wireless_dev *wdev, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2058 | enum nl80211_tx_power_setting type, |
| 2059 | int dbm) |
| 2060 | { |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 2061 | struct hdd_context *pHddCtx = (struct hdd_context *) wiphy_priv(wiphy); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2062 | tHalHandle hHal = NULL; |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 2063 | struct qdf_mac_addr bssid = QDF_MAC_ADDR_BROADCAST_INITIALIZER; |
| 2064 | struct qdf_mac_addr selfMac = QDF_MAC_ADDR_BROADCAST_INITIALIZER; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2065 | int status; |
| 2066 | |
| 2067 | ENTER(); |
| 2068 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 2069 | if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 2070 | hdd_err("Command not allowed in FTM mode"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2071 | return -EINVAL; |
| 2072 | } |
| 2073 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2074 | MTRACE(qdf_trace(QDF_MODULE_ID_HDD, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2075 | TRACE_CODE_HDD_CFG80211_SET_TXPOWER, |
| 2076 | NO_SESSION, type)); |
| 2077 | |
| 2078 | status = wlan_hdd_validate_context(pHddCtx); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 2079 | if (0 != status) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2080 | return status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2081 | |
| 2082 | hHal = pHddCtx->hHal; |
| 2083 | |
| 2084 | 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] | 2085 | hdd_err("sme_cfg_set_int failed for tx power %hu", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2086 | dbm); |
| 2087 | return -EIO; |
| 2088 | } |
| 2089 | |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 2090 | hdd_debug("Set tx power level %d dbm", dbm); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2091 | |
| 2092 | switch (type) { |
| 2093 | /* Automatically determine transmit power */ |
| 2094 | case NL80211_TX_POWER_AUTOMATIC: |
| 2095 | /* Fall through */ |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 2096 | case NL80211_TX_POWER_LIMITED: |
| 2097 | /* Limit TX power by the mBm parameter */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2098 | if (sme_set_max_tx_power(hHal, bssid, selfMac, dbm) != |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2099 | QDF_STATUS_SUCCESS) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 2100 | hdd_err("Setting maximum tx power failed"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2101 | return -EIO; |
| 2102 | } |
| 2103 | break; |
| 2104 | |
| 2105 | case NL80211_TX_POWER_FIXED: /* Fix TX power to the mBm parameter */ |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 2106 | hdd_err("NL80211_TX_POWER_FIXED not supported"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2107 | return -EOPNOTSUPP; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2108 | |
| 2109 | default: |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 2110 | hdd_err("Invalid power setting type %d", type); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2111 | return -EIO; |
| 2112 | } |
| 2113 | |
| 2114 | EXIT(); |
| 2115 | return 0; |
| 2116 | } |
| 2117 | |
| 2118 | /** |
| 2119 | * wlan_hdd_cfg80211_set_txpower() - set TX power |
| 2120 | * @wiphy: Pointer to wiphy |
| 2121 | * @wdev: Pointer to network device |
| 2122 | * @type: TX power setting type |
| 2123 | * @dbm: TX power in dbm |
| 2124 | * |
| 2125 | * Return: 0 for success, non-zero for failure |
| 2126 | */ |
| 2127 | int wlan_hdd_cfg80211_set_txpower(struct wiphy *wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2128 | struct wireless_dev *wdev, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2129 | enum nl80211_tx_power_setting type, |
| 2130 | int dbm) |
| 2131 | { |
| 2132 | int ret; |
Ashish Kumar Dhanotiya | cf11bae | 2017-04-04 03:29:47 +0530 | [diff] [blame] | 2133 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2134 | cds_ssr_protect(__func__); |
| 2135 | ret = __wlan_hdd_cfg80211_set_txpower(wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2136 | wdev, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2137 | type, dbm); |
| 2138 | cds_ssr_unprotect(__func__); |
| 2139 | |
| 2140 | return ret; |
| 2141 | } |
| 2142 | |
| 2143 | /** |
| 2144 | * __wlan_hdd_cfg80211_get_txpower() - get TX power |
| 2145 | * @wiphy: Pointer to wiphy |
| 2146 | * @wdev: Pointer to network device |
| 2147 | * @dbm: Pointer to TX power in dbm |
| 2148 | * |
| 2149 | * Return: 0 for success, non-zero for failure |
| 2150 | */ |
| 2151 | static int __wlan_hdd_cfg80211_get_txpower(struct wiphy *wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2152 | struct wireless_dev *wdev, |
Srinivas Girigowda | 5557a39 | 2017-03-09 14:28:36 -0800 | [diff] [blame] | 2153 | int *dbm) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2154 | { |
| 2155 | |
Jeff Johnson | cfb65a8 | 2017-08-28 11:45:41 -0700 | [diff] [blame] | 2156 | struct hdd_context *pHddCtx = (struct hdd_context *) wiphy_priv(wiphy); |
Srinivas Girigowda | 5557a39 | 2017-03-09 14:28:36 -0800 | [diff] [blame] | 2157 | struct net_device *ndev = wdev->netdev; |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 2158 | struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(ndev); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2159 | int status; |
Jeff Johnson | 40dae4e | 2017-08-29 14:00:25 -0700 | [diff] [blame] | 2160 | 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] | 2161 | |
| 2162 | ENTER(); |
| 2163 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 2164 | if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
Jeff Johnson | c327332 | 2016-07-06 15:28:17 -0700 | [diff] [blame] | 2165 | hdd_err("Command not allowed in FTM mode"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2166 | return -EINVAL; |
| 2167 | } |
| 2168 | |
| 2169 | status = wlan_hdd_validate_context(pHddCtx); |
| 2170 | if (0 != status) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2171 | *dbm = 0; |
| 2172 | return status; |
| 2173 | } |
| 2174 | |
Arun Khandavalli | 9928645 | 2016-08-22 12:13:41 +0530 | [diff] [blame] | 2175 | /* Validate adapter sessionId */ |
Hanumanth Reddy Pothula | d9491f4 | 2016-10-24 19:08:38 +0530 | [diff] [blame] | 2176 | if (wlan_hdd_validate_session_id(adapter->sessionId)) { |
| 2177 | hdd_err("invalid session id: %d", adapter->sessionId); |
Srinivas Girigowda | 5557a39 | 2017-03-09 14:28:36 -0800 | [diff] [blame] | 2178 | return -EINVAL; |
Arun Khandavalli | 9928645 | 2016-08-22 12:13:41 +0530 | [diff] [blame] | 2179 | } |
| 2180 | |
| 2181 | mutex_lock(&pHddCtx->iface_change_lock); |
| 2182 | if (pHddCtx->driver_status != DRIVER_MODULES_ENABLED) { |
| 2183 | mutex_unlock(&pHddCtx->iface_change_lock); |
Srinivas Girigowda | 5d6bde6 | 2017-03-06 18:26:02 -0800 | [diff] [blame] | 2184 | hdd_debug("Driver Module not enabled return success"); |
Arun Khandavalli | 9928645 | 2016-08-22 12:13:41 +0530 | [diff] [blame] | 2185 | /* Send cached data to upperlayer*/ |
| 2186 | *dbm = adapter->hdd_stats.ClassA_stat.max_pwr; |
| 2187 | return 0; |
| 2188 | } |
| 2189 | mutex_unlock(&pHddCtx->iface_change_lock); |
| 2190 | |
Ganesh Kondabattini | f847f06 | 2017-05-26 12:36:24 +0530 | [diff] [blame] | 2191 | if (sta_ctx->conn_info.connState != eConnectionState_Associated) { |
| 2192 | hdd_debug("Not associated"); |
| 2193 | /*To keep GUI happy */ |
| 2194 | *dbm = 0; |
| 2195 | return 0; |
| 2196 | } |
| 2197 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2198 | MTRACE(qdf_trace(QDF_MODULE_ID_HDD, |
Sreelakshmi Konamki | 6744cff | 2015-09-07 12:10:39 +0530 | [diff] [blame] | 2199 | TRACE_CODE_HDD_CFG80211_GET_TXPOWER, |
Arun Khandavalli | 9928645 | 2016-08-22 12:13:41 +0530 | [diff] [blame] | 2200 | adapter->sessionId, adapter->device_mode)); |
| 2201 | wlan_hdd_get_class_astats(adapter); |
| 2202 | *dbm = adapter->hdd_stats.ClassA_stat.max_pwr; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2203 | |
| 2204 | EXIT(); |
| 2205 | return 0; |
| 2206 | } |
| 2207 | |
| 2208 | /** |
| 2209 | * wlan_hdd_cfg80211_get_txpower() - cfg80211 get power handler function |
| 2210 | * @wiphy: Pointer to wiphy structure. |
| 2211 | * @wdev: Pointer to wireless_dev structure. |
| 2212 | * @dbm: dbm |
| 2213 | * |
| 2214 | * This is the cfg80211 get txpower handler function which invokes |
| 2215 | * the internal function @__wlan_hdd_cfg80211_get_txpower with |
| 2216 | * SSR protection. |
| 2217 | * |
| 2218 | * Return: 0 for success, error number on failure. |
| 2219 | */ |
| 2220 | int wlan_hdd_cfg80211_get_txpower(struct wiphy *wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2221 | struct wireless_dev *wdev, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2222 | int *dbm) |
| 2223 | { |
Srinivas Girigowda | 5557a39 | 2017-03-09 14:28:36 -0800 | [diff] [blame] | 2224 | int ret; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2225 | |
| 2226 | cds_ssr_protect(__func__); |
Srinivas Girigowda | 5557a39 | 2017-03-09 14:28:36 -0800 | [diff] [blame] | 2227 | ret = __wlan_hdd_cfg80211_get_txpower(wiphy, wdev, dbm); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2228 | cds_ssr_unprotect(__func__); |
| 2229 | |
| 2230 | return ret; |
| 2231 | } |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2232 | |
| 2233 | /** |
| 2234 | * hdd_set_qpower_config() - set qpower config to firmware |
| 2235 | * @adapter: HDD adapter |
| 2236 | * @qpower: new qpower config value |
| 2237 | * |
| 2238 | * Return: 0 on success; Errno on failure |
| 2239 | */ |
Jeff Johnson | 75b737d | 2017-08-29 14:24:41 -0700 | [diff] [blame] | 2240 | int hdd_set_qpower_config(struct hdd_context *hddctx, struct hdd_adapter *adapter, |
Dustin Brown | 10a7b71 | 2016-10-07 10:31:16 -0700 | [diff] [blame] | 2241 | u8 qpower) |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2242 | { |
Dustin Brown | 10a7b71 | 2016-10-07 10:31:16 -0700 | [diff] [blame] | 2243 | QDF_STATUS status; |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2244 | |
| 2245 | if (!hddctx->config->enablePowersaveOffload) { |
| 2246 | hdd_err("qpower is disabled in configuration"); |
| 2247 | return -EINVAL; |
| 2248 | } |
Manjeet Singh | 91b7bb8 | 2017-02-10 18:35:40 +0530 | [diff] [blame] | 2249 | if (adapter->device_mode != QDF_STA_MODE && |
| 2250 | adapter->device_mode != QDF_P2P_CLIENT_MODE) { |
| 2251 | hdd_info(FL("QPOWER only allowed in STA/P2P-Client modes:%d "), |
| 2252 | adapter->device_mode); |
| 2253 | return -EINVAL; |
| 2254 | } |
Dustin Brown | 10a7b71 | 2016-10-07 10:31:16 -0700 | [diff] [blame] | 2255 | |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2256 | if (qpower > PS_DUTY_CYCLING_QPOWER || |
| 2257 | qpower < PS_LEGACY_NODEEPSLEEP) { |
Dustin Brown | 10a7b71 | 2016-10-07 10:31:16 -0700 | [diff] [blame] | 2258 | hdd_err("invalid qpower value: %d", qpower); |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2259 | return -EINVAL; |
| 2260 | } |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2261 | |
Kiran Kumar Lokere | 7006e0a | 2017-03-07 19:28:36 -0800 | [diff] [blame] | 2262 | if (hddctx->config->nMaxPsPoll) { |
| 2263 | if ((qpower == PS_QPOWER_NODEEPSLEEP) || |
| 2264 | (qpower == PS_LEGACY_NODEEPSLEEP)) |
| 2265 | qpower = PS_LEGACY_NODEEPSLEEP; |
| 2266 | else |
| 2267 | qpower = PS_LEGACY_DEEPSLEEP; |
| 2268 | hdd_info("Qpower disabled, %d", qpower); |
| 2269 | } |
Dustin Brown | 10a7b71 | 2016-10-07 10:31:16 -0700 | [diff] [blame] | 2270 | status = wma_set_qpower_config(adapter->sessionId, qpower); |
| 2271 | if (status != QDF_STATUS_SUCCESS) { |
| 2272 | hdd_err("failed to configure qpower: %d", status); |
| 2273 | return -EINVAL; |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2274 | } |
Dustin Brown | 10a7b71 | 2016-10-07 10:31:16 -0700 | [diff] [blame] | 2275 | |
Kapil Gupta | 6213c01 | 2016-09-02 19:39:09 +0530 | [diff] [blame] | 2276 | return 0; |
| 2277 | } |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2278 | |
Dustin Brown | 5409643 | 2017-02-23 13:00:44 -0800 | [diff] [blame] | 2279 | |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2280 | #ifdef WLAN_SUSPEND_RESUME_TEST |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2281 | static struct net_device *g_dev; |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2282 | static struct wiphy *g_wiphy; |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2283 | static enum wow_resume_trigger g_resume_trigger; |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2284 | |
| 2285 | #define HDD_FA_SUSPENDED_BIT (0) |
| 2286 | static unsigned long fake_apps_state; |
| 2287 | |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2288 | /** |
| 2289 | * __hdd_wlan_fake_apps_resume() - The core logic for |
| 2290 | * hdd_wlan_fake_apps_resume() skipping the call to hif_fake_apps_resume(), |
| 2291 | * which is only need for non-irq resume |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2292 | * @wiphy: the kernel wiphy struct for the device being resumed |
| 2293 | * @dev: the kernel net_device struct for the device being resumed |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2294 | * |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2295 | * Return: none, calls QDF_BUG() on failure |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2296 | */ |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2297 | static void __hdd_wlan_fake_apps_resume(struct wiphy *wiphy, |
| 2298 | struct net_device *dev) |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2299 | { |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2300 | struct hif_opaque_softc *hif_ctx; |
Dustin Brown | ddb5970 | 2017-01-12 16:20:31 -0800 | [diff] [blame] | 2301 | qdf_device_t qdf_dev; |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2302 | |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2303 | hdd_info("Unit-test resume WLAN"); |
Dustin Brown | ddb5970 | 2017-01-12 16:20:31 -0800 | [diff] [blame] | 2304 | |
| 2305 | qdf_dev = cds_get_context(QDF_MODULE_ID_QDF_DEVICE); |
| 2306 | if (!qdf_dev) { |
| 2307 | hdd_err("Failed to get QDF device context"); |
| 2308 | QDF_BUG(0); |
| 2309 | return; |
| 2310 | } |
| 2311 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2312 | hif_ctx = cds_get_context(QDF_MODULE_ID_HIF); |
| 2313 | if (!hif_ctx) { |
| 2314 | hdd_err("Failed to get HIF context"); |
| 2315 | return; |
| 2316 | } |
| 2317 | |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2318 | if (!test_and_clear_bit(HDD_FA_SUSPENDED_BIT, &fake_apps_state)) { |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2319 | hdd_alert("Not unit-test suspended; Nothing to do"); |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2320 | return; |
| 2321 | } |
| 2322 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2323 | /* simulate kernel disable irqs */ |
| 2324 | QDF_BUG(!hif_apps_wake_irq_disable(hif_ctx)); |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2325 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2326 | QDF_BUG(!wlan_hdd_bus_resume_noirq()); |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2327 | |
| 2328 | /* simulate kernel enable irqs */ |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2329 | QDF_BUG(!hif_apps_irqs_enable(hif_ctx)); |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2330 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2331 | QDF_BUG(!wlan_hdd_bus_resume()); |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2332 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2333 | QDF_BUG(!wlan_hdd_cfg80211_resume_wlan(wiphy)); |
| 2334 | |
| 2335 | if (g_resume_trigger == WOW_RESUME_TRIGGER_HTC_WAKEUP) |
| 2336 | hif_vote_link_down(hif_ctx); |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2337 | |
| 2338 | dev->watchdog_timeo = HDD_TX_TIMEOUT; |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 2339 | |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2340 | hdd_alert("Unit-test resume succeeded"); |
Dustin Brown | d53d1a8 | 2016-10-03 12:57:33 -0700 | [diff] [blame] | 2341 | } |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2342 | |
| 2343 | /** |
| 2344 | * hdd_wlan_fake_apps_resume_irq_callback() - Irq callback function for resuming |
| 2345 | * from unit-test initiated suspend from irq wakeup signal |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2346 | * |
| 2347 | * Resume wlan after getting very 1st CE interrupt from target |
| 2348 | * |
| 2349 | * Return: none |
| 2350 | */ |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2351 | static void hdd_wlan_fake_apps_resume_irq_callback(void) |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2352 | { |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2353 | hdd_info("Trigger unit-test resume WLAN"); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2354 | |
| 2355 | QDF_BUG(g_wiphy); |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2356 | QDF_BUG(g_dev); |
| 2357 | __hdd_wlan_fake_apps_resume(g_wiphy, g_dev); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2358 | g_wiphy = NULL; |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2359 | g_dev = NULL; |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2360 | } |
| 2361 | |
Dustin Brown | 5409643 | 2017-02-23 13:00:44 -0800 | [diff] [blame] | 2362 | int hdd_wlan_fake_apps_suspend(struct wiphy *wiphy, struct net_device *dev, |
| 2363 | enum wow_interface_pause pause_setting, |
| 2364 | enum wow_resume_trigger resume_setting) |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2365 | { |
Dustin Brown | ddb5970 | 2017-01-12 16:20:31 -0800 | [diff] [blame] | 2366 | qdf_device_t qdf_dev; |
| 2367 | struct hif_opaque_softc *hif_ctx; |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2368 | int errno; |
Dustin Brown | 5409643 | 2017-02-23 13:00:44 -0800 | [diff] [blame] | 2369 | struct wow_enable_params wow_params = { |
| 2370 | .is_unit_test = true, |
| 2371 | .interface_pause = pause_setting, |
| 2372 | .resume_trigger = resume_setting |
| 2373 | }; |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2374 | |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2375 | hdd_info("Unit-test suspend WLAN"); |
Dustin Brown | ddb5970 | 2017-01-12 16:20:31 -0800 | [diff] [blame] | 2376 | |
Dustin Brown | 5409643 | 2017-02-23 13:00:44 -0800 | [diff] [blame] | 2377 | if (pause_setting < WOW_INTERFACE_PAUSE_DEFAULT || |
| 2378 | pause_setting >= WOW_INTERFACE_PAUSE_COUNT) { |
| 2379 | hdd_err("Invalid interface pause %d (expected range [0, 2])", |
| 2380 | pause_setting); |
| 2381 | return -EINVAL; |
| 2382 | } |
| 2383 | |
| 2384 | if (resume_setting < WOW_RESUME_TRIGGER_DEFAULT || |
| 2385 | resume_setting >= WOW_RESUME_TRIGGER_COUNT) { |
| 2386 | hdd_err("Invalid resume trigger %d (expected range [0, 2])", |
| 2387 | resume_setting); |
| 2388 | return -EINVAL; |
| 2389 | } |
| 2390 | |
Dustin Brown | ddb5970 | 2017-01-12 16:20:31 -0800 | [diff] [blame] | 2391 | qdf_dev = cds_get_context(QDF_MODULE_ID_QDF_DEVICE); |
| 2392 | if (!qdf_dev) { |
| 2393 | hdd_err("Failed to get QDF device context"); |
| 2394 | return -EINVAL; |
| 2395 | } |
| 2396 | |
| 2397 | hif_ctx = cds_get_context(QDF_MODULE_ID_HIF); |
| 2398 | if (!hif_ctx) { |
| 2399 | hdd_err("Failed to get HIF context"); |
| 2400 | return -EINVAL; |
| 2401 | } |
| 2402 | |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2403 | if (test_and_set_bit(HDD_FA_SUSPENDED_BIT, &fake_apps_state)) { |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2404 | hdd_alert("Already unit-test suspended; Nothing to do"); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2405 | return 0; |
| 2406 | } |
| 2407 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2408 | /* pci link is needed to wakeup from HTC wakeup trigger */ |
| 2409 | if (resume_setting == WOW_RESUME_TRIGGER_HTC_WAKEUP) |
| 2410 | hif_vote_link_up(hif_ctx); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2411 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2412 | errno = wlan_hdd_cfg80211_suspend_wlan(wiphy, NULL); |
| 2413 | if (errno) |
| 2414 | goto link_down; |
| 2415 | |
| 2416 | errno = wlan_hdd_unit_test_bus_suspend(wow_params); |
| 2417 | if (errno) |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2418 | goto cfg80211_resume; |
| 2419 | |
| 2420 | /* simulate kernel disabling irqs */ |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2421 | errno = hif_apps_irqs_disable(hif_ctx); |
| 2422 | if (errno) |
| 2423 | goto bus_resume; |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2424 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2425 | errno = wlan_hdd_bus_suspend_noirq(); |
| 2426 | if (errno) |
| 2427 | goto enable_irqs; |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2428 | |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2429 | /* pass wiphy/dev to callback via global variables */ |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2430 | g_wiphy = wiphy; |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2431 | g_dev = dev; |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2432 | g_resume_trigger = resume_setting; |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2433 | 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] | 2434 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2435 | /* re-enable wake irq */ |
| 2436 | errno = hif_apps_wake_irq_enable(hif_ctx); |
| 2437 | if (errno) |
| 2438 | goto fake_apps_resume; |
| 2439 | |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2440 | /* |
| 2441 | * Tell the kernel not to worry if TX queues aren't moving. This is |
| 2442 | * expected since we are suspending the wifi hardware, but not APPS |
| 2443 | */ |
| 2444 | dev->watchdog_timeo = INT_MAX; |
| 2445 | |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2446 | hdd_alert("Unit-test suspend succeeded"); |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2447 | |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2448 | return 0; |
| 2449 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2450 | fake_apps_resume: |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2451 | hif_ut_apps_resume(hif_ctx); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2452 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2453 | enable_irqs: |
| 2454 | QDF_BUG(!hif_apps_irqs_enable(hif_ctx)); |
| 2455 | |
| 2456 | bus_resume: |
| 2457 | QDF_BUG(!wlan_hdd_bus_resume()); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2458 | |
| 2459 | cfg80211_resume: |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2460 | QDF_BUG(!wlan_hdd_cfg80211_resume_wlan(wiphy)); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2461 | |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2462 | link_down: |
| 2463 | hif_vote_link_down(hif_ctx); |
| 2464 | |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2465 | clear_bit(HDD_FA_SUSPENDED_BIT, &fake_apps_state); |
Dustin Brown | 3ed3e9b | 2017-03-23 12:57:58 -0700 | [diff] [blame] | 2466 | hdd_err("Unit-test suspend failed: %d", errno); |
| 2467 | |
| 2468 | return errno; |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2469 | } |
| 2470 | |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2471 | 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] | 2472 | { |
Dustin Brown | ddb5970 | 2017-01-12 16:20:31 -0800 | [diff] [blame] | 2473 | struct hif_opaque_softc *hif_ctx; |
| 2474 | |
| 2475 | hif_ctx = cds_get_context(QDF_MODULE_ID_HIF); |
| 2476 | if (!hif_ctx) { |
| 2477 | hdd_err("Failed to get HIF context"); |
| 2478 | return -EINVAL; |
| 2479 | } |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2480 | |
Dustin Brown | 0f8dc3d | 2017-06-01 14:37:26 -0700 | [diff] [blame] | 2481 | hif_ut_apps_resume(hif_ctx); |
Dustin Brown | bc81a47 | 2016-10-26 16:56:59 -0700 | [diff] [blame] | 2482 | __hdd_wlan_fake_apps_resume(wiphy, dev); |
Rajeev Kumar | 9bb2e85 | 2016-09-24 12:29:25 -0700 | [diff] [blame] | 2483 | |
| 2484 | return 0; |
| 2485 | } |
| 2486 | #endif |