Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1 | /* |
Tushnim Bhattacharyya | 9028cc7 | 2017-03-09 13:10:49 -0800 | [diff] [blame] | 2 | * Copyright (c) 2014-2017 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 | * DOC: wlan_hdd_green_ap.c |
| 24 | * |
| 25 | * WLAN Host Device Driver Green AP implementation |
| 26 | * |
| 27 | */ |
| 28 | |
| 29 | /* Include Files */ |
| 30 | #include <wlan_hdd_main.h> |
| 31 | #include <wlan_hdd_misc.h> |
| 32 | #include "wlan_hdd_green_ap.h" |
| 33 | #include "wma_api.h" |
Tushnim Bhattacharyya | 9028cc7 | 2017-03-09 13:10:49 -0800 | [diff] [blame] | 34 | #include "wlan_policy_mgr_api.h" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 35 | |
| 36 | #define GREEN_AP_PS_ON_TIME (0) |
| 37 | #define GREEN_AP_PS_DELAY_TIME (20) |
| 38 | |
| 39 | /** |
| 40 | * enum hdd_green_ap_ps_state - Green-AP power save states |
| 41 | * @GREEN_AP_PS_IDLE_STATE: the Green_AP is not enabled |
| 42 | * @GREEN_AP_PS_OFF_STATE: in Power Saving OFF state |
| 43 | * @GREEN_AP_PS_WAIT_STATE: in transition to Power Saving ON state |
| 44 | * @GREEN_AP_PS_ON_STATE: in Power Saving ON state |
| 45 | */ |
| 46 | enum hdd_green_ap_ps_state { |
| 47 | GREEN_AP_PS_IDLE_STATE = 1, |
| 48 | GREEN_AP_PS_OFF_STATE, |
| 49 | GREEN_AP_PS_WAIT_STATE, |
| 50 | GREEN_AP_PS_ON_STATE, |
| 51 | }; |
| 52 | |
| 53 | /** |
| 54 | * enum hdd_green_ap_event - Green-AP power save events |
| 55 | * @GREEN_AP_PS_START_EVENT: event to indicate to enable Green_AP |
| 56 | * @GREEN_AP_PS_START_EVENT: event to indicate to disable Green_AP |
| 57 | * @GREEN_AP_ADD_STA_EVENT: event to indicate a new STA connected |
| 58 | * @GREEN_AP_DEL_STA_EVENT: event to indicate a STA disconnected |
| 59 | * @GREEN_AP_PS_ON_EVENT: event to indicate to enter Power Saving state |
| 60 | * @GREEN_AP_PS_WAIT_EVENT: event to indicate in the transition to Power Saving |
| 61 | */ |
| 62 | enum hdd_green_ap_event { |
| 63 | GREEN_AP_PS_START_EVENT = 1, |
| 64 | GREEN_AP_PS_STOP_EVENT, |
| 65 | GREEN_AP_ADD_STA_EVENT, |
| 66 | GREEN_AP_DEL_STA_EVENT, |
| 67 | GREEN_AP_PS_ON_EVENT, |
| 68 | GREEN_AP_PS_WAIT_EVENT, |
| 69 | }; |
| 70 | |
| 71 | /** |
| 72 | * struct hdd_green_ap_ctx - Green-AP context |
| 73 | * @ps_enable: Whether or not Green AP is enabled |
| 74 | * @ps_on_time: Amount of time to stay in Green AP power saving state |
| 75 | * @ps_delay_time: Amount of time to delay when changing states |
| 76 | * @num_nodes: Number of connected clients |
| 77 | * @ps_state: Current state |
| 78 | * @ps_event: Event to trigger when timer expires |
| 79 | * @ps_timer: Event timer |
Ryan Hsu | 3c8f79f | 2015-12-02 16:45:09 -0800 | [diff] [blame] | 80 | * @egap_support: Enhanced Green AP support flag |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 81 | */ |
| 82 | struct hdd_green_ap_ctx { |
| 83 | uint8_t ps_enable; |
| 84 | uint32_t ps_on_time; |
| 85 | uint32_t ps_delay_time; |
| 86 | uint32_t num_nodes; |
| 87 | |
| 88 | enum hdd_green_ap_ps_state ps_state; |
| 89 | enum hdd_green_ap_event ps_event; |
| 90 | |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 91 | qdf_mc_timer_t ps_timer; |
Ryan Hsu | 3c8f79f | 2015-12-02 16:45:09 -0800 | [diff] [blame] | 92 | |
| 93 | bool egap_support; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 94 | }; |
| 95 | |
| 96 | /** |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 97 | * hdd_green_ap_update() - update the current State and Event |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 98 | * @hdd_ctx: Global HDD context |
| 99 | * @state: New state |
| 100 | * @event: New event |
| 101 | * |
| 102 | * Return: none |
| 103 | */ |
Jeff Johnson | 82797b6 | 2017-08-11 15:31:27 -0700 | [diff] [blame] | 104 | static void hdd_green_ap_update(struct hdd_context *hdd_ctx, |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 105 | enum hdd_green_ap_ps_state state, |
| 106 | enum hdd_green_ap_event event) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 107 | { |
| 108 | struct hdd_green_ap_ctx *green_ap = hdd_ctx->green_ap_ctx; |
| 109 | |
| 110 | green_ap->ps_state = state; |
| 111 | green_ap->ps_event = event; |
| 112 | } |
| 113 | |
| 114 | /** |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 115 | * hdd_green_ap_enable() - Send Green AP configuration to firmware |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 116 | * @adapter: Adapter upon which Green AP is being configured |
| 117 | * @enable: Flag which indicates if Green AP is being enabled or disabled |
| 118 | * |
| 119 | * Return: 0 upon success, non-zero upon failure |
| 120 | */ |
Jeff Johnson | 9a7136d | 2017-08-29 14:33:56 -0700 | [diff] [blame] | 121 | static int hdd_green_ap_enable(struct hdd_adapter *adapter, uint8_t enable) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 122 | { |
| 123 | int ret; |
| 124 | |
Srinivas Girigowda | f8926d9 | 2017-03-06 16:36:51 -0800 | [diff] [blame] | 125 | hdd_debug("Set Green-AP val: %d", enable); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 126 | |
Jeff Johnson | 1b780e4 | 2017-10-31 14:11:45 -0700 | [diff] [blame] | 127 | ret = wma_cli_set_command(adapter->session_id, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 128 | WMI_PDEV_GREEN_AP_PS_ENABLE_CMDID, |
| 129 | enable, DBG_CMD); |
| 130 | |
| 131 | return ret; |
| 132 | } |
| 133 | |
| 134 | /** |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 135 | * hdd_green_ap_mc() - Green AP state machine |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 136 | * @hdd_ctx: HDD global context |
| 137 | * @event: New event being processed |
| 138 | * |
| 139 | * Return: none |
| 140 | */ |
Jeff Johnson | 82797b6 | 2017-08-11 15:31:27 -0700 | [diff] [blame] | 141 | static void hdd_green_ap_mc(struct hdd_context *hdd_ctx, |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 142 | enum hdd_green_ap_event event) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 143 | { |
| 144 | struct hdd_green_ap_ctx *green_ap; |
Jeff Johnson | 9a7136d | 2017-08-29 14:33:56 -0700 | [diff] [blame] | 145 | struct hdd_adapter *adapter; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 146 | |
| 147 | green_ap = hdd_ctx->green_ap_ctx; |
| 148 | if (green_ap == NULL) |
| 149 | return; |
| 150 | |
Srinivas Girigowda | f8926d9 | 2017-03-06 16:36:51 -0800 | [diff] [blame] | 151 | hdd_debug("Green-AP event: %d, state: %d, num_nodes: %d", |
Jeff Johnson | 417af55 | 2015-11-09 15:15:01 -0800 | [diff] [blame] | 152 | event, green_ap->ps_state, green_ap->num_nodes); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 153 | |
| 154 | /* handle the green ap ps event */ |
| 155 | switch (event) { |
| 156 | case GREEN_AP_PS_START_EVENT: |
| 157 | green_ap->ps_enable = 1; |
| 158 | break; |
| 159 | |
| 160 | case GREEN_AP_PS_STOP_EVENT: |
bings | 612b9c4 | 2016-11-07 10:52:03 +0800 | [diff] [blame] | 161 | green_ap->ps_enable = 0; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 162 | break; |
| 163 | |
| 164 | case GREEN_AP_ADD_STA_EVENT: |
| 165 | green_ap->num_nodes++; |
| 166 | break; |
| 167 | |
| 168 | case GREEN_AP_DEL_STA_EVENT: |
| 169 | if (green_ap->num_nodes) |
| 170 | green_ap->num_nodes--; |
| 171 | break; |
| 172 | |
| 173 | case GREEN_AP_PS_ON_EVENT: |
| 174 | case GREEN_AP_PS_WAIT_EVENT: |
| 175 | break; |
| 176 | |
| 177 | default: |
Srinivas Girigowda | f8926d9 | 2017-03-06 16:36:51 -0800 | [diff] [blame] | 178 | hdd_err("Invalid event: %d", event); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 179 | break; |
| 180 | } |
| 181 | |
bings | 612b9c4 | 2016-11-07 10:52:03 +0800 | [diff] [blame] | 182 | adapter = hdd_get_adapter(hdd_ctx, QDF_SAP_MODE); |
| 183 | if (adapter == NULL) { |
| 184 | hdd_err("Green-AP no SAP adapter"); |
| 185 | goto done; |
| 186 | } |
| 187 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 188 | /* Confirm that power save is enabled before doing state transitions */ |
| 189 | if (!green_ap->ps_enable) { |
Srinivas Girigowda | f8926d9 | 2017-03-06 16:36:51 -0800 | [diff] [blame] | 190 | hdd_debug("Green-AP is disabled"); |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 191 | hdd_green_ap_update(hdd_ctx, |
bings | 612b9c4 | 2016-11-07 10:52:03 +0800 | [diff] [blame] | 192 | GREEN_AP_PS_OFF_STATE, |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 193 | GREEN_AP_PS_WAIT_EVENT); |
bings | 612b9c4 | 2016-11-07 10:52:03 +0800 | [diff] [blame] | 194 | if (hdd_green_ap_enable(adapter, 0)) |
| 195 | hdd_err("failed to set green ap mode"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 196 | goto done; |
| 197 | } |
| 198 | |
| 199 | /* handle the green ap ps state */ |
| 200 | switch (green_ap->ps_state) { |
| 201 | case GREEN_AP_PS_IDLE_STATE: |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 202 | hdd_green_ap_update(hdd_ctx, |
| 203 | GREEN_AP_PS_OFF_STATE, |
| 204 | GREEN_AP_PS_WAIT_EVENT); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 205 | break; |
| 206 | |
| 207 | case GREEN_AP_PS_OFF_STATE: |
| 208 | if (!green_ap->num_nodes) { |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 209 | hdd_green_ap_update(hdd_ctx, |
| 210 | GREEN_AP_PS_WAIT_STATE, |
| 211 | GREEN_AP_PS_WAIT_EVENT); |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 212 | qdf_mc_timer_start(&green_ap->ps_timer, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 213 | green_ap->ps_delay_time); |
| 214 | } |
| 215 | break; |
| 216 | |
| 217 | case GREEN_AP_PS_WAIT_STATE: |
| 218 | if (!green_ap->num_nodes) { |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 219 | hdd_green_ap_update(hdd_ctx, |
| 220 | GREEN_AP_PS_ON_STATE, |
| 221 | GREEN_AP_PS_WAIT_EVENT); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 222 | |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 223 | hdd_green_ap_enable(adapter, 1); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 224 | |
| 225 | if (green_ap->ps_on_time) { |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 226 | hdd_green_ap_update(hdd_ctx, |
| 227 | 0, |
| 228 | GREEN_AP_PS_WAIT_EVENT); |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 229 | qdf_mc_timer_start(&green_ap->ps_timer, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 230 | green_ap->ps_on_time); |
| 231 | } |
| 232 | } else { |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 233 | hdd_green_ap_update(hdd_ctx, |
| 234 | GREEN_AP_PS_OFF_STATE, |
| 235 | GREEN_AP_PS_WAIT_EVENT); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 236 | } |
| 237 | break; |
| 238 | |
| 239 | case GREEN_AP_PS_ON_STATE: |
| 240 | if (green_ap->num_nodes) { |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 241 | if (hdd_green_ap_enable(adapter, 0)) { |
Jeff Johnson | 417af55 | 2015-11-09 15:15:01 -0800 | [diff] [blame] | 242 | hdd_err("FAILED TO SET GREEN-AP mode"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 243 | goto done; |
| 244 | } |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 245 | hdd_green_ap_update(hdd_ctx, |
| 246 | GREEN_AP_PS_OFF_STATE, |
| 247 | GREEN_AP_PS_WAIT_EVENT); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 248 | } else if ((green_ap->ps_event == GREEN_AP_PS_WAIT_EVENT) |
| 249 | && (green_ap->ps_on_time)) { |
| 250 | |
| 251 | /* ps_on_time timeout, switch to ps off */ |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 252 | hdd_green_ap_update(hdd_ctx, |
| 253 | GREEN_AP_PS_WAIT_STATE, |
| 254 | GREEN_AP_PS_ON_EVENT); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 255 | |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 256 | if (hdd_green_ap_enable(adapter, 0)) { |
Jeff Johnson | 417af55 | 2015-11-09 15:15:01 -0800 | [diff] [blame] | 257 | hdd_err("FAILED TO SET GREEN-AP mode"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 258 | goto done; |
| 259 | } |
| 260 | |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 261 | qdf_mc_timer_start(&green_ap->ps_timer, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 262 | green_ap->ps_delay_time); |
| 263 | } |
| 264 | break; |
| 265 | |
| 266 | default: |
Jeff Johnson | 417af55 | 2015-11-09 15:15:01 -0800 | [diff] [blame] | 267 | hdd_err("invalid state %d", green_ap->ps_state); |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 268 | hdd_green_ap_update(hdd_ctx, GREEN_AP_PS_OFF_STATE, |
| 269 | GREEN_AP_PS_WAIT_EVENT); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 270 | break; |
| 271 | } |
| 272 | |
| 273 | done: |
| 274 | return; |
| 275 | } |
| 276 | |
| 277 | /** |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 278 | * hdd_green_ap_timer_fn() - Green AP Timer handler |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 279 | * @ctx: Global HDD context |
| 280 | * |
| 281 | * Return: none |
| 282 | */ |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 283 | static void hdd_green_ap_timer_fn(void *ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 284 | { |
Jeff Johnson | 82797b6 | 2017-08-11 15:31:27 -0700 | [diff] [blame] | 285 | struct hdd_context *hdd_ctx = ctx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 286 | struct hdd_green_ap_ctx *green_ap; |
| 287 | |
Abhishek Singh | 23edd1c | 2016-05-05 11:56:06 +0530 | [diff] [blame] | 288 | if (wlan_hdd_validate_context(hdd_ctx)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 289 | return; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 290 | |
| 291 | green_ap = hdd_ctx->green_ap_ctx; |
| 292 | if (green_ap) |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 293 | hdd_green_ap_mc(hdd_ctx, green_ap->ps_event); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | /** |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 297 | * hdd_green_ap_attach() - Attach Green AP context to HDD context |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 298 | * @hdd_ctx: Global HDD contect |
| 299 | * |
Anurag Chouhan | f04e84f | 2016-03-03 10:12:12 +0530 | [diff] [blame] | 300 | * Return: QDF_STATUS_SUCCESS on success, otherwise QDF_STATUS_E_** error |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 301 | */ |
Jeff Johnson | 82797b6 | 2017-08-11 15:31:27 -0700 | [diff] [blame] | 302 | static QDF_STATUS hdd_green_ap_attach(struct hdd_context *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 303 | { |
| 304 | struct hdd_green_ap_ctx *green_ap; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 305 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 306 | |
| 307 | ENTER(); |
| 308 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 309 | green_ap = qdf_mem_malloc(sizeof(*green_ap)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 310 | if (!green_ap) { |
Srinivas Girigowda | f8926d9 | 2017-03-06 16:36:51 -0800 | [diff] [blame] | 311 | hdd_err("Memory allocation for Green-AP failed!"); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 312 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 313 | goto error; |
| 314 | } |
| 315 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 316 | green_ap->ps_state = GREEN_AP_PS_OFF_STATE; |
| 317 | green_ap->ps_event = 0; |
| 318 | green_ap->num_nodes = 0; |
| 319 | green_ap->ps_on_time = GREEN_AP_PS_ON_TIME; |
| 320 | green_ap->ps_delay_time = GREEN_AP_PS_DELAY_TIME; |
| 321 | |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 322 | qdf_mc_timer_init(&green_ap->ps_timer, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 323 | QDF_TIMER_TYPE_SW, |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 324 | hdd_green_ap_timer_fn, hdd_ctx); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 325 | |
| 326 | error: |
| 327 | hdd_ctx->green_ap_ctx = green_ap; |
| 328 | |
| 329 | EXIT(); |
| 330 | return status; |
| 331 | } |
| 332 | |
| 333 | /** |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 334 | * hdd_green_ap_deattach() - Detach Green AP context from HDD context |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 335 | * @hdd_ctx: Global HDD contect |
| 336 | * |
Anurag Chouhan | f04e84f | 2016-03-03 10:12:12 +0530 | [diff] [blame] | 337 | * Return: QDF_STATUS_SUCCESS on success, otherwise QDF_STATUS_E_** error |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 338 | */ |
Jeff Johnson | 82797b6 | 2017-08-11 15:31:27 -0700 | [diff] [blame] | 339 | static QDF_STATUS hdd_green_ap_deattach(struct hdd_context *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 340 | { |
| 341 | struct hdd_green_ap_ctx *green_ap = hdd_ctx->green_ap_ctx; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 342 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 343 | |
| 344 | ENTER(); |
| 345 | |
| 346 | if (green_ap == NULL) { |
Srinivas Girigowda | f8926d9 | 2017-03-06 16:36:51 -0800 | [diff] [blame] | 347 | hdd_debug("Green-AP is not enabled"); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 348 | status = QDF_STATUS_E_NOSUPPORT; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 349 | goto done; |
| 350 | } |
| 351 | |
| 352 | /* check if the timer status is destroyed */ |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 353 | if (QDF_TIMER_STATE_RUNNING == |
| 354 | qdf_mc_timer_get_current_state(&green_ap->ps_timer)) |
| 355 | qdf_mc_timer_stop(&green_ap->ps_timer); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 356 | |
| 357 | /* Destroy the Green AP timer */ |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 358 | if (!QDF_IS_STATUS_SUCCESS(qdf_mc_timer_destroy(&green_ap->ps_timer))) |
Srinivas Girigowda | f8926d9 | 2017-03-06 16:36:51 -0800 | [diff] [blame] | 359 | hdd_debug("Cannot deallocate Green-AP's timer"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 360 | |
| 361 | /* release memory */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 362 | qdf_mem_zero(green_ap, sizeof(*green_ap)); |
| 363 | qdf_mem_free(green_ap); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 364 | hdd_ctx->green_ap_ctx = NULL; |
| 365 | |
| 366 | done: |
| 367 | |
| 368 | EXIT(); |
| 369 | return status; |
| 370 | } |
| 371 | |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 372 | /* |
| 373 | * hdd_green_ap_init() - Initialize Green AP feature |
| 374 | * (public function documented in wlan_hdd_green_ap.h) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 375 | */ |
Jeff Johnson | 82797b6 | 2017-08-11 15:31:27 -0700 | [diff] [blame] | 376 | void hdd_green_ap_init(struct hdd_context *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 377 | { |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 378 | if (!QDF_IS_STATUS_SUCCESS(hdd_green_ap_attach(hdd_ctx))) |
Jeff Johnson | 417af55 | 2015-11-09 15:15:01 -0800 | [diff] [blame] | 379 | hdd_err("Failed to allocate Green-AP resource"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 380 | } |
| 381 | |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 382 | /* |
| 383 | * hdd_green_ap_deinit() - De-initialize Green AP feature |
| 384 | * (public function documented in wlan_hdd_green_ap.h) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 385 | */ |
Jeff Johnson | 82797b6 | 2017-08-11 15:31:27 -0700 | [diff] [blame] | 386 | void hdd_green_ap_deinit(struct hdd_context *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 387 | { |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 388 | if (!QDF_IS_STATUS_SUCCESS(hdd_green_ap_deattach(hdd_ctx))) |
Jeff Johnson | 417af55 | 2015-11-09 15:15:01 -0800 | [diff] [blame] | 389 | hdd_err("Cannot deallocate Green-AP resource"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 390 | } |
| 391 | |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 392 | /* |
bings | 612b9c4 | 2016-11-07 10:52:03 +0800 | [diff] [blame] | 393 | * hdd_is_egap_enabled() - Get Enhance Green AP feature status |
| 394 | * @fw_egap_support: flag whether firmware supports egap or not |
| 395 | * @cfg: pointer to the struct hdd_config |
| 396 | * |
| 397 | * Return: true if firmware, feature_flag and ini are all enabled the egap |
| 398 | */ |
| 399 | static bool hdd_is_egap_enabled(bool fw_egap_support, struct hdd_config *cfg) |
| 400 | { |
| 401 | /* check if the firmware and ini are both enabled the egap, |
| 402 | * and also the feature_flag enable. |
| 403 | */ |
| 404 | if (fw_egap_support && cfg->enable_egap && |
| 405 | cfg->egap_feature_flag) |
| 406 | return true; |
| 407 | return false; |
| 408 | } |
| 409 | |
| 410 | /* |
| 411 | * hdd_enable_egap() - Enable Enhance Green AP |
| 412 | * @hdd_ctx: HDD global context |
| 413 | * |
| 414 | * Return: 0 on success, negative errno on failure |
| 415 | */ |
Jeff Johnson | 82797b6 | 2017-08-11 15:31:27 -0700 | [diff] [blame] | 416 | int hdd_enable_egap(struct hdd_context *hdd_ctx) |
bings | 612b9c4 | 2016-11-07 10:52:03 +0800 | [diff] [blame] | 417 | { |
| 418 | struct hdd_config *cfg; |
| 419 | |
| 420 | if (!hdd_ctx) { |
| 421 | hdd_err("hdd context is NULL"); |
| 422 | return -EINVAL; |
| 423 | } |
| 424 | |
| 425 | cfg = hdd_ctx->config; |
| 426 | |
| 427 | if (!cfg) { |
| 428 | hdd_err("hdd cfg is NULL"); |
| 429 | return -EINVAL; |
| 430 | } |
| 431 | |
| 432 | if (!hdd_ctx->green_ap_ctx) { |
| 433 | hdd_err("green ap context is NULL"); |
| 434 | return -EINVAL; |
| 435 | } |
| 436 | |
| 437 | if (!hdd_is_egap_enabled(hdd_ctx->green_ap_ctx->egap_support, |
| 438 | hdd_ctx->config)) |
| 439 | return -ENOTSUPP; |
| 440 | |
| 441 | if (QDF_STATUS_SUCCESS != sme_send_egap_conf_params(cfg->enable_egap, |
| 442 | cfg->egap_inact_time, |
| 443 | cfg->egap_wait_time, |
| 444 | cfg->egap_feature_flag)) |
| 445 | return -EINVAL; |
| 446 | return 0; |
| 447 | } |
| 448 | |
| 449 | /* |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 450 | * hdd_green_ap_start_bss() - Notify Green AP of Start BSS event |
| 451 | * (public function documented in wlan_hdd_green_ap.h) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 452 | */ |
Jeff Johnson | 82797b6 | 2017-08-11 15:31:27 -0700 | [diff] [blame] | 453 | void hdd_green_ap_start_bss(struct hdd_context *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 454 | { |
bings | 612b9c4 | 2016-11-07 10:52:03 +0800 | [diff] [blame] | 455 | struct hdd_config *cfg; |
| 456 | |
| 457 | if (!hdd_ctx) { |
| 458 | hdd_err("hdd context is NULL"); |
| 459 | return; |
| 460 | } |
| 461 | |
| 462 | cfg = hdd_ctx->config; |
| 463 | |
| 464 | if (!cfg) { |
| 465 | hdd_err("hdd cfg is NULL"); |
| 466 | return; |
| 467 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 468 | |
Ganesh Kondabattini | b07874f | 2016-11-03 17:31:16 +0530 | [diff] [blame] | 469 | if (!hdd_ctx->green_ap_ctx) { |
| 470 | hdd_err("Green AP is not enabled. green_ap_ctx = NULL"); |
bings | 612b9c4 | 2016-11-07 10:52:03 +0800 | [diff] [blame] | 471 | return; |
Ganesh Kondabattini | b07874f | 2016-11-03 17:31:16 +0530 | [diff] [blame] | 472 | } |
| 473 | |
bings | 612b9c4 | 2016-11-07 10:52:03 +0800 | [diff] [blame] | 474 | if (hdd_is_egap_enabled(hdd_ctx->green_ap_ctx->egap_support, |
| 475 | hdd_ctx->config)) |
| 476 | return; |
Ryan Hsu | cb118cf | 2015-11-09 16:03:53 -0800 | [diff] [blame] | 477 | |
Ganesh Kondabattini | e353184 | 2016-11-04 10:51:29 +0530 | [diff] [blame] | 478 | if ((hdd_ctx->concurrency_mode & QDF_SAP_MASK) && |
| 479 | !(hdd_ctx->concurrency_mode & (QDF_SAP_MASK)) && |
| 480 | cfg->enable2x2 && cfg->enableGreenAP) { |
Srinivas Girigowda | f8926d9 | 2017-03-06 16:36:51 -0800 | [diff] [blame] | 481 | hdd_debug("Green AP enabled - sta_con: %d, 2x2: %d, GAP: %d", |
Ganesh Kondabattini | e353184 | 2016-11-04 10:51:29 +0530 | [diff] [blame] | 482 | QDF_STA_MASK & hdd_ctx->concurrency_mode, |
| 483 | cfg->enable2x2, cfg->enableGreenAP); |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 484 | hdd_green_ap_mc(hdd_ctx, GREEN_AP_PS_START_EVENT); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 485 | } else { |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 486 | hdd_green_ap_mc(hdd_ctx, GREEN_AP_PS_STOP_EVENT); |
Srinivas Girigowda | f8926d9 | 2017-03-06 16:36:51 -0800 | [diff] [blame] | 487 | hdd_debug("Green-AP: is disabled, due to sta_concurrency: %d, enable2x2: %d, enableGreenAP: %d", |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 488 | QDF_STA_MASK & hdd_ctx->concurrency_mode, |
Jeff Johnson | 417af55 | 2015-11-09 15:15:01 -0800 | [diff] [blame] | 489 | cfg->enable2x2, cfg->enableGreenAP); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 490 | } |
| 491 | } |
| 492 | |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 493 | /* |
| 494 | * hdd_green_ap_stop_bss() - Notify Green AP of Stop BSS event |
| 495 | * (public function documented in wlan_hdd_green_ap.h) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 496 | */ |
Jeff Johnson | 82797b6 | 2017-08-11 15:31:27 -0700 | [diff] [blame] | 497 | void hdd_green_ap_stop_bss(struct hdd_context *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 498 | { |
bings | 612b9c4 | 2016-11-07 10:52:03 +0800 | [diff] [blame] | 499 | struct hdd_config *cfg; |
| 500 | |
| 501 | if (!hdd_ctx) { |
| 502 | hdd_err("hdd context is NULL"); |
| 503 | return; |
| 504 | } |
| 505 | |
| 506 | cfg = hdd_ctx->config; |
| 507 | |
| 508 | if (!cfg) { |
| 509 | hdd_err("hdd cfg is NULL"); |
| 510 | return; |
| 511 | } |
| 512 | |
| 513 | if (!hdd_ctx->green_ap_ctx) { |
| 514 | hdd_err("Green AP is not enabled. green_ap_ctx = NULL"); |
| 515 | return; |
| 516 | } |
| 517 | |
| 518 | if (hdd_is_egap_enabled(hdd_ctx->green_ap_ctx->egap_support, |
| 519 | hdd_ctx->config)) |
| 520 | return; |
| 521 | |
| 522 | /* For AP+AP mode, only trigger GREEN_AP_PS_STOP_EVENT, when the |
| 523 | * last AP stops. |
| 524 | */ |
| 525 | |
| 526 | if (1 == (hdd_ctx->no_of_open_sessions[QDF_SAP_MODE])) |
| 527 | hdd_green_ap_mc(hdd_ctx, GREEN_AP_PS_STOP_EVENT); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 528 | } |
| 529 | |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 530 | /* |
| 531 | * hdd_green_ap_add_sta() - Notify Green AP of Add Station event |
| 532 | * (public function documented in wlan_hdd_green_ap.h) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 533 | */ |
Jeff Johnson | 82797b6 | 2017-08-11 15:31:27 -0700 | [diff] [blame] | 534 | void hdd_green_ap_add_sta(struct hdd_context *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 535 | { |
bings | 612b9c4 | 2016-11-07 10:52:03 +0800 | [diff] [blame] | 536 | struct hdd_config *cfg; |
| 537 | |
| 538 | if (!hdd_ctx) { |
| 539 | hdd_err("hdd context is NULL"); |
| 540 | return; |
| 541 | } |
| 542 | |
| 543 | cfg = hdd_ctx->config; |
| 544 | |
| 545 | if (!cfg) { |
| 546 | hdd_err("hdd cfg is NULL"); |
| 547 | return; |
| 548 | } |
| 549 | |
| 550 | if (!hdd_ctx->green_ap_ctx) { |
| 551 | hdd_err("Green AP is not enabled. green_ap_ctx = NULL"); |
| 552 | return; |
| 553 | } |
| 554 | |
| 555 | if (hdd_is_egap_enabled(hdd_ctx->green_ap_ctx->egap_support, |
| 556 | hdd_ctx->config)) |
| 557 | return; |
| 558 | |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 559 | hdd_green_ap_mc(hdd_ctx, GREEN_AP_ADD_STA_EVENT); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 560 | } |
| 561 | |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 562 | /* |
| 563 | * hdd_green_ap_del_sta() - Notify Green AP of Delete Station event |
| 564 | * (public function documented in wlan_hdd_green_ap.h) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 565 | */ |
Jeff Johnson | 82797b6 | 2017-08-11 15:31:27 -0700 | [diff] [blame] | 566 | void hdd_green_ap_del_sta(struct hdd_context *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 567 | { |
bings | 612b9c4 | 2016-11-07 10:52:03 +0800 | [diff] [blame] | 568 | struct hdd_config *cfg; |
| 569 | |
| 570 | if (!hdd_ctx) { |
| 571 | hdd_err("hdd context is NULL"); |
| 572 | return; |
| 573 | } |
| 574 | |
| 575 | cfg = hdd_ctx->config; |
| 576 | |
| 577 | if (!cfg) { |
| 578 | hdd_err("hdd cfg is NULL"); |
| 579 | return; |
| 580 | } |
| 581 | |
| 582 | if (!hdd_ctx->green_ap_ctx) { |
| 583 | hdd_err("Green AP is not enabled. green_ap_ctx = NULL"); |
| 584 | return; |
| 585 | } |
| 586 | |
| 587 | if (hdd_is_egap_enabled(hdd_ctx->green_ap_ctx->egap_support, |
| 588 | hdd_ctx->config)) |
| 589 | return; |
| 590 | |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 591 | hdd_green_ap_mc(hdd_ctx, GREEN_AP_DEL_STA_EVENT); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 592 | } |
Ryan Hsu | 3c8f79f | 2015-12-02 16:45:09 -0800 | [diff] [blame] | 593 | |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 594 | /* |
| 595 | * hdd_green_ap_target_config() - Handle Green AP target configuration |
| 596 | * (public function documented in wlan_hdd_green_ap.h) |
Ryan Hsu | 3c8f79f | 2015-12-02 16:45:09 -0800 | [diff] [blame] | 597 | * |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 598 | * Implementation notes: |
| 599 | * Target indicates whether or not Enhanced Green AP (EGAP) is supported |
Ryan Hsu | 3c8f79f | 2015-12-02 16:45:09 -0800 | [diff] [blame] | 600 | */ |
Jeff Johnson | 82797b6 | 2017-08-11 15:31:27 -0700 | [diff] [blame] | 601 | void hdd_green_ap_target_config(struct hdd_context *hdd_ctx, |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 602 | struct wma_tgt_cfg *target_config) |
Ryan Hsu | 3c8f79f | 2015-12-02 16:45:09 -0800 | [diff] [blame] | 603 | { |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 604 | struct hdd_green_ap_ctx *green_ap = hdd_ctx->green_ap_ctx; |
Ryan Hsu | 3c8f79f | 2015-12-02 16:45:09 -0800 | [diff] [blame] | 605 | |
Jeff Johnson | a7e5eed | 2016-09-28 15:19:13 -0700 | [diff] [blame] | 606 | green_ap->egap_support = target_config->egap_support; |
Ryan Hsu | 3c8f79f | 2015-12-02 16:45:09 -0800 | [diff] [blame] | 607 | } |