Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1 | /* |
Madhvapathi Sriram | bfb0112 | 2019-01-07 09:17:29 +0530 | [diff] [blame] | 2 | * Copyright (c) 2013-2019 The Linux Foundation. All rights reserved. |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 3 | * |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 4 | * Permission to use, copy, modify, and/or distribute this software for |
| 5 | * any purpose with or without fee is hereby granted, provided that the |
| 6 | * above copyright notice and this permission notice appear in all |
| 7 | * copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 10 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 11 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 12 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 13 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 14 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 15 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 16 | * PERFORMANCE OF THIS SOFTWARE. |
| 17 | */ |
| 18 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 19 | #include "htc_debug.h" |
| 20 | #include "htc_internal.h" |
Rachit Kankane | 1bc1149 | 2018-01-24 18:48:17 +0530 | [diff] [blame] | 21 | #include "htc_credit_history.h" |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 22 | #include <hif.h> |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 23 | #include <qdf_nbuf.h> /* qdf_nbuf_t */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 24 | #include <qdf_types.h> /* qdf_print */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 25 | |
Poddar, Siddarth | f176340 | 2016-11-21 15:55:27 +0530 | [diff] [blame] | 26 | #define MAX_HTC_RX_BUNDLE 2 |
| 27 | |
Srinivas Girigowda | 8a0b665 | 2016-10-19 16:01:31 -0700 | [diff] [blame] | 28 | #if defined(WLAN_DEBUG) || defined(DEBUG) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 29 | static ATH_DEBUG_MASK_DESCRIPTION g_htc_debug_description[] = { |
| 30 | {ATH_DEBUG_SEND, "Send"}, |
| 31 | {ATH_DEBUG_RECV, "Recv"}, |
| 32 | {ATH_DEBUG_SYNC, "Sync"}, |
| 33 | {ATH_DEBUG_DUMP, "Dump Data (RX or TX)"}, |
| 34 | {ATH_DEBUG_SETUP, "Setup"}, |
| 35 | }; |
| 36 | |
| 37 | ATH_DEBUG_INSTANTIATE_MODULE_VAR(htc, |
| 38 | "htc", |
| 39 | "Host Target Communications", |
| 40 | ATH_DEBUG_MASK_DEFAULTS | ATH_DEBUG_INFO | |
| 41 | ATH_DEBUG_SETUP, |
| 42 | ATH_DEBUG_DESCRIPTION_COUNT |
| 43 | (g_htc_debug_description), |
| 44 | g_htc_debug_description); |
| 45 | |
| 46 | #endif |
| 47 | |
Vevek Venkatesan | bd283722 | 2019-06-28 18:30:08 +0530 | [diff] [blame] | 48 | #if (defined(WMI_MULTI_MAC_SVC) || defined(QCA_WIFI_QCA8074) || \ |
Basamma Yakkanahalli | b85768e | 2019-04-27 05:24:00 +0530 | [diff] [blame] | 49 | defined(QCA_WIFI_QCA6018)) |
Pratik Gandhi | 7846150 | 2018-02-05 17:22:41 +0530 | [diff] [blame] | 50 | static const uint32_t svc_id[] = {WMI_CONTROL_SVC, WMI_CONTROL_SVC_WMAC1, |
| 51 | WMI_CONTROL_SVC_WMAC2}; |
| 52 | #else |
| 53 | static const uint32_t svc_id[] = {WMI_CONTROL_SVC}; |
| 54 | #endif |
| 55 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 56 | extern unsigned int htc_credit_flow; |
| 57 | |
| 58 | static void reset_endpoint_states(HTC_TARGET *target); |
| 59 | |
| 60 | static void destroy_htc_tx_ctrl_packet(HTC_PACKET *pPacket) |
| 61 | { |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 62 | qdf_nbuf_t netbuf; |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 63 | |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 64 | netbuf = (qdf_nbuf_t) GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 65 | if (netbuf) |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 66 | qdf_nbuf_free(netbuf); |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 67 | qdf_mem_free(pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 68 | } |
| 69 | |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 70 | static HTC_PACKET *build_htc_tx_ctrl_packet(qdf_device_t osdev) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 71 | { |
| 72 | HTC_PACKET *pPacket = NULL; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 73 | qdf_nbuf_t netbuf; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 74 | |
| 75 | do { |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 76 | pPacket = (HTC_PACKET *) qdf_mem_malloc(sizeof(HTC_PACKET)); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 77 | if (!pPacket) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 78 | break; |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 79 | netbuf = qdf_nbuf_alloc(osdev, HTC_CONTROL_BUFFER_SIZE, |
| 80 | 20, 4, true); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 81 | if (!netbuf) { |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 82 | qdf_mem_free(pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 83 | pPacket = NULL; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 84 | break; |
| 85 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 86 | SET_HTC_PACKET_NET_BUF_CONTEXT(pPacket, netbuf); |
| 87 | } while (false); |
| 88 | |
| 89 | return pPacket; |
| 90 | } |
| 91 | |
| 92 | void htc_free_control_tx_packet(HTC_TARGET *target, HTC_PACKET *pPacket) |
| 93 | { |
| 94 | |
| 95 | #ifdef TODO_FIXME |
| 96 | LOCK_HTC(target); |
| 97 | HTC_PACKET_ENQUEUE(&target->ControlBufferTXFreeList, pPacket); |
| 98 | UNLOCK_HTC(target); |
| 99 | /* TODO_FIXME netbufs cannot be RESET! */ |
| 100 | #else |
| 101 | destroy_htc_tx_ctrl_packet(pPacket); |
| 102 | #endif |
| 103 | |
| 104 | } |
| 105 | |
| 106 | HTC_PACKET *htc_alloc_control_tx_packet(HTC_TARGET *target) |
| 107 | { |
| 108 | #ifdef TODO_FIXME |
| 109 | HTC_PACKET *pPacket; |
| 110 | |
| 111 | LOCK_HTC(target); |
| 112 | pPacket = htc_packet_dequeue(&target->ControlBufferTXFreeList); |
| 113 | UNLOCK_HTC(target); |
| 114 | |
| 115 | return pPacket; |
| 116 | #else |
| 117 | return build_htc_tx_ctrl_packet(target->osdev); |
| 118 | #endif |
| 119 | } |
| 120 | |
| 121 | /* Set the target failure handling callback */ |
| 122 | void htc_set_target_failure_callback(HTC_HANDLE HTCHandle, |
| 123 | HTC_TARGET_FAILURE Callback) |
| 124 | { |
| 125 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 126 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 127 | target->HTCInitInfo.TargetFailure = Callback; |
| 128 | } |
| 129 | |
| 130 | void htc_dump(HTC_HANDLE HTCHandle, uint8_t CmdId, bool start) |
| 131 | { |
| 132 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 133 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 134 | hif_dump(target->hif_dev, CmdId, start); |
| 135 | } |
| 136 | |
| 137 | /* cleanup the HTC instance */ |
| 138 | static void htc_cleanup(HTC_TARGET *target) |
| 139 | { |
| 140 | HTC_PACKET *pPacket; |
Govind Singh | c505cdc | 2017-05-16 12:15:51 +0530 | [diff] [blame] | 141 | int i; |
| 142 | HTC_ENDPOINT *endpoint; |
wadesong | fbf643a | 2017-10-14 09:11:34 +0800 | [diff] [blame] | 143 | HTC_PACKET_QUEUE *pkt_queue; |
| 144 | qdf_nbuf_t netbuf; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 145 | |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 146 | if (target->hif_dev) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 147 | hif_detach_htc(target->hif_dev); |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 148 | hif_mask_interrupt_call(target->hif_dev); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 149 | target->hif_dev = NULL; |
| 150 | } |
| 151 | |
| 152 | while (true) { |
| 153 | pPacket = allocate_htc_packet_container(target); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 154 | if (!pPacket) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 155 | break; |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 156 | qdf_mem_free(pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 157 | } |
| 158 | |
wadesong | fbf643a | 2017-10-14 09:11:34 +0800 | [diff] [blame] | 159 | LOCK_HTC_TX(target); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 160 | pPacket = target->pBundleFreeList; |
wadesong | fbf643a | 2017-10-14 09:11:34 +0800 | [diff] [blame] | 161 | target->pBundleFreeList = NULL; |
| 162 | UNLOCK_HTC_TX(target); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 163 | while (pPacket) { |
| 164 | HTC_PACKET *pPacketTmp = (HTC_PACKET *) pPacket->ListLink.pNext; |
wadesong | fbf643a | 2017-10-14 09:11:34 +0800 | [diff] [blame] | 165 | netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
| 166 | if (netbuf) |
| 167 | qdf_nbuf_free(netbuf); |
| 168 | pkt_queue = pPacket->pContext; |
| 169 | if (pkt_queue) |
| 170 | qdf_mem_free(pkt_queue); |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 171 | qdf_mem_free(pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 172 | pPacket = pPacketTmp; |
| 173 | } |
wadesong | fbf643a | 2017-10-14 09:11:34 +0800 | [diff] [blame] | 174 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 175 | #ifdef TODO_FIXME |
| 176 | while (true) { |
| 177 | pPacket = htc_alloc_control_tx_packet(target); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 178 | if (!pPacket) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 179 | break; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 180 | netbuf = (qdf_nbuf_t) GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 181 | if (netbuf) |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 182 | qdf_nbuf_free(netbuf); |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 183 | qdf_mem_free(pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 184 | } |
| 185 | #endif |
| 186 | |
Zhang Qian | edaa387 | 2018-07-04 20:02:53 +0800 | [diff] [blame] | 187 | htc_flush_endpoint_txlookupQ(target, ENDPOINT_0, true); |
Alok Kumar | 9bd8152 | 2018-05-30 13:07:13 +0530 | [diff] [blame] | 188 | |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 189 | qdf_spinlock_destroy(&target->HTCLock); |
| 190 | qdf_spinlock_destroy(&target->HTCRxLock); |
| 191 | qdf_spinlock_destroy(&target->HTCTxLock); |
Govind Singh | c505cdc | 2017-05-16 12:15:51 +0530 | [diff] [blame] | 192 | for (i = 0; i < ENDPOINT_MAX; i++) { |
| 193 | endpoint = &target->endpoint[i]; |
| 194 | qdf_spinlock_destroy(&endpoint->lookup_queue_lock); |
| 195 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 196 | |
| 197 | /* free our instance */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 198 | qdf_mem_free(target); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 199 | } |
| 200 | |
Yue Ma | ec9e71c | 2016-02-26 18:52:20 -0800 | [diff] [blame] | 201 | #ifdef FEATURE_RUNTIME_PM |
| 202 | /** |
| 203 | * htc_runtime_pm_init(): runtime pm related intialization |
| 204 | * |
| 205 | * need to initialize a work item. |
| 206 | */ |
| 207 | static void htc_runtime_pm_init(HTC_TARGET *target) |
| 208 | { |
| 209 | qdf_create_work(0, &target->queue_kicker, htc_kick_queues, target); |
| 210 | } |
| 211 | |
| 212 | /** |
| 213 | * htc_runtime_suspend() - runtime suspend HTC |
| 214 | * |
| 215 | * @htc_ctx: HTC context pointer |
| 216 | * |
| 217 | * This is a dummy function for symmetry. |
| 218 | * |
| 219 | * Return: 0 for success |
| 220 | */ |
| 221 | int htc_runtime_suspend(HTC_HANDLE htc_ctx) |
| 222 | { |
| 223 | return 0; |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * htc_runtime_resume(): resume htc |
| 228 | * |
| 229 | * The htc message queue needs to be kicked off after |
| 230 | * a runtime resume. Otherwise messages would get stuck. |
| 231 | * |
| 232 | * @htc_ctx: HTC context pointer |
| 233 | * |
| 234 | * Return: 0 for success; |
| 235 | */ |
| 236 | int htc_runtime_resume(HTC_HANDLE htc_ctx) |
| 237 | { |
| 238 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_ctx); |
| 239 | |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 240 | if (!target) |
Yue Ma | ec9e71c | 2016-02-26 18:52:20 -0800 | [diff] [blame] | 241 | return 0; |
| 242 | |
| 243 | qdf_sched_work(0, &target->queue_kicker); |
| 244 | return 0; |
| 245 | } |
| 246 | #else |
| 247 | static inline void htc_runtime_pm_init(HTC_TARGET *target) { } |
| 248 | #endif |
| 249 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 250 | /* registered target arrival callback from the HIF layer */ |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 251 | HTC_HANDLE htc_create(void *ol_sc, struct htc_init_info *pInfo, |
| 252 | qdf_device_t osdev, uint32_t con_mode) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 253 | { |
| 254 | struct hif_msg_callbacks htcCallbacks; |
| 255 | HTC_ENDPOINT *pEndpoint = NULL; |
| 256 | HTC_TARGET *target = NULL; |
| 257 | int i; |
| 258 | |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 259 | if (!ol_sc) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 260 | HTC_ERROR("%s: ol_sc = NULL", __func__); |
| 261 | return NULL; |
| 262 | } |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 263 | HTC_TRACE("+htc_create .. HIF :%pK", ol_sc); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 264 | |
| 265 | A_REGISTER_MODULE_DEBUG_INFO(htc); |
| 266 | |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 267 | target = (HTC_TARGET *) qdf_mem_malloc(sizeof(HTC_TARGET)); |
Madhvapathi Sriram | bfb0112 | 2019-01-07 09:17:29 +0530 | [diff] [blame] | 268 | if (!target) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 269 | return NULL; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 270 | |
Houston Hoffman | 47e387b | 2015-10-20 17:04:42 -0700 | [diff] [blame] | 271 | htc_runtime_pm_init(target); |
Rachit Kankane | 1bc1149 | 2018-01-24 18:48:17 +0530 | [diff] [blame] | 272 | htc_credit_history_init(); |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 273 | qdf_spinlock_create(&target->HTCLock); |
| 274 | qdf_spinlock_create(&target->HTCRxLock); |
| 275 | qdf_spinlock_create(&target->HTCTxLock); |
Govind Singh | c505cdc | 2017-05-16 12:15:51 +0530 | [diff] [blame] | 276 | for (i = 0; i < ENDPOINT_MAX; i++) { |
| 277 | pEndpoint = &target->endpoint[i]; |
| 278 | qdf_spinlock_create(&pEndpoint->lookup_queue_lock); |
| 279 | } |
gbian | b417db2 | 2016-09-30 17:01:07 +0800 | [diff] [blame] | 280 | target->is_nodrop_pkt = false; |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 281 | target->htc_hdr_length_check = false; |
Kiran Venkatappa | e17e3b6 | 2017-02-10 16:31:49 +0530 | [diff] [blame] | 282 | target->wmi_ep_count = 1; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 283 | |
| 284 | do { |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 285 | qdf_mem_copy(&target->HTCInitInfo, pInfo, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 286 | sizeof(struct htc_init_info)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 287 | target->host_handle = pInfo->pContext; |
| 288 | target->osdev = osdev; |
Yue Ma | ec9e71c | 2016-02-26 18:52:20 -0800 | [diff] [blame] | 289 | target->con_mode = con_mode; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 290 | |
| 291 | reset_endpoint_states(target); |
| 292 | |
| 293 | INIT_HTC_PACKET_QUEUE(&target->ControlBufferTXFreeList); |
| 294 | |
| 295 | for (i = 0; i < HTC_PACKET_CONTAINER_ALLOCATION; i++) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 296 | HTC_PACKET *pPacket = (HTC_PACKET *) |
| 297 | qdf_mem_malloc(sizeof(HTC_PACKET)); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 298 | if (pPacket) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 299 | free_htc_packet_container(target, pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 300 | } |
| 301 | |
| 302 | #ifdef TODO_FIXME |
| 303 | for (i = 0; i < NUM_CONTROL_TX_BUFFERS; i++) { |
| 304 | pPacket = build_htc_tx_ctrl_packet(); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 305 | if (!pPacket) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 306 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 307 | htc_free_control_tx_packet(target, pPacket); |
| 308 | } |
| 309 | #endif |
| 310 | |
| 311 | /* setup HIF layer callbacks */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 312 | qdf_mem_zero(&htcCallbacks, sizeof(struct hif_msg_callbacks)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 313 | htcCallbacks.Context = target; |
| 314 | htcCallbacks.rxCompletionHandler = htc_rx_completion_handler; |
| 315 | htcCallbacks.txCompletionHandler = htc_tx_completion_handler; |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 316 | htcCallbacks.txResourceAvailHandler = |
| 317 | htc_tx_resource_avail_handler; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 318 | htcCallbacks.fwEventHandler = htc_fw_event_handler; |
| 319 | target->hif_dev = ol_sc; |
| 320 | |
| 321 | /* Get HIF default pipe for HTC message exchange */ |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 322 | pEndpoint = &target->endpoint[ENDPOINT_0]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 323 | |
| 324 | hif_post_init(target->hif_dev, target, &htcCallbacks); |
| 325 | hif_get_default_pipe(target->hif_dev, &pEndpoint->UL_PipeID, |
| 326 | &pEndpoint->DL_PipeID); |
Dustin Brown | bbba917 | 2017-10-04 17:03:56 -0700 | [diff] [blame] | 327 | hif_set_initial_wakeup_cb(target->hif_dev, |
| 328 | pInfo->target_initial_wakeup_cb, |
| 329 | pInfo->target_psoc); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 330 | |
| 331 | } while (false); |
| 332 | |
| 333 | htc_recv_init(target); |
| 334 | |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 335 | HTC_TRACE("-htc_create: (0x%pK)", target); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 336 | |
| 337 | return (HTC_HANDLE) target; |
| 338 | } |
| 339 | |
| 340 | void htc_destroy(HTC_HANDLE HTCHandle) |
| 341 | { |
| 342 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 343 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 344 | AR_DEBUG_PRINTF(ATH_DEBUG_TRC, |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 345 | ("+htc_destroy .. Destroying :0x%pK\n", target)); |
Karthick S | c3a7a0c | 2015-10-14 17:56:55 +0530 | [diff] [blame] | 346 | hif_stop(htc_get_hif_device(HTCHandle)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 347 | if (target) |
| 348 | htc_cleanup(target); |
| 349 | AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("-htc_destroy\n")); |
| 350 | } |
| 351 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 352 | /* get the low level HIF device for the caller , the caller may wish to do low |
| 353 | * level HIF requests |
| 354 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 355 | void *htc_get_hif_device(HTC_HANDLE HTCHandle) |
| 356 | { |
| 357 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 358 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 359 | return target->hif_dev; |
| 360 | } |
| 361 | |
Jeff Johnson | c66399a | 2016-10-07 13:01:33 -0700 | [diff] [blame] | 362 | static void htc_control_tx_complete(void *Context, HTC_PACKET *pPacket) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 363 | { |
| 364 | HTC_TARGET *target = (HTC_TARGET *) Context; |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 365 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 366 | AR_DEBUG_PRINTF(ATH_DEBUG_TRC, |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 367 | ("+-htc_control_tx_complete 0x%pK (l:%d)\n", pPacket, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 368 | pPacket->ActualLength)); |
| 369 | htc_free_control_tx_packet(target, pPacket); |
| 370 | } |
| 371 | |
| 372 | /* TODO, this is just a temporary max packet size */ |
| 373 | #define MAX_MESSAGE_SIZE 1536 |
| 374 | |
| 375 | /** |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 376 | * htc_setup_epping_credit_allocation() - allocate credits/HTC buffers to WMI |
| 377 | * @scn: pointer to hif_opaque_softc |
| 378 | * @pEntry: pointer to tx credit allocation entry |
| 379 | * @credits: number of credits |
| 380 | * |
| 381 | * Return: None |
| 382 | */ |
| 383 | static void |
| 384 | htc_setup_epping_credit_allocation(struct hif_opaque_softc *scn, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 385 | struct htc_service_tx_credit_allocation *pEntry, |
| 386 | int credits) |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 387 | { |
| 388 | switch (hif_get_bus_type(scn)) { |
| 389 | case QDF_BUS_TYPE_PCI: |
Ajit Pal Singh | 47f2d05 | 2018-08-10 15:21:54 +0530 | [diff] [blame] | 390 | case QDF_BUS_TYPE_USB: |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 391 | pEntry++; |
| 392 | pEntry->service_id = WMI_DATA_BE_SVC; |
| 393 | pEntry->CreditAllocation = (credits >> 1); |
| 394 | |
| 395 | pEntry++; |
| 396 | pEntry->service_id = WMI_DATA_BK_SVC; |
| 397 | pEntry->CreditAllocation = (credits >> 1); |
| 398 | break; |
| 399 | case QDF_BUS_TYPE_SDIO: |
| 400 | pEntry++; |
| 401 | pEntry->service_id = WMI_DATA_BE_SVC; |
| 402 | pEntry->CreditAllocation = credits; |
| 403 | break; |
| 404 | default: |
| 405 | break; |
| 406 | } |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 407 | } |
| 408 | |
| 409 | /** |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 410 | * htc_setup_target_buffer_assignments() - setup target buffer assignments |
| 411 | * @target: HTC Target Pointer |
| 412 | * |
| 413 | * Return: A_STATUS |
| 414 | */ |
Jeff Johnson | c66399a | 2016-10-07 13:01:33 -0700 | [diff] [blame] | 415 | static |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 416 | A_STATUS htc_setup_target_buffer_assignments(HTC_TARGET *target) |
| 417 | { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 418 | struct htc_service_tx_credit_allocation *pEntry; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 419 | A_STATUS status; |
| 420 | int credits; |
| 421 | int creditsPerMaxMsg; |
| 422 | |
| 423 | creditsPerMaxMsg = MAX_MESSAGE_SIZE / target->TargetCreditSize; |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 424 | if (MAX_MESSAGE_SIZE % target->TargetCreditSize) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 425 | creditsPerMaxMsg++; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 426 | |
| 427 | /* TODO, this should be configured by the caller! */ |
| 428 | |
| 429 | credits = target->TotalTransmitCredits; |
| 430 | pEntry = &target->ServiceTxAllocTable[0]; |
| 431 | |
Kiran Venkatappa | e17e3b6 | 2017-02-10 16:31:49 +0530 | [diff] [blame] | 432 | status = A_OK; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 433 | /* |
| 434 | * Allocate all credists/HTC buffers to WMI. |
| 435 | * no buffers are used/required for data. data always |
| 436 | * remains on host. |
| 437 | */ |
Yue Ma | ec9e71c | 2016-02-26 18:52:20 -0800 | [diff] [blame] | 438 | if (HTC_IS_EPPING_ENABLED(target->con_mode)) { |
Kiran Venkatappa | e17e3b6 | 2017-02-10 16:31:49 +0530 | [diff] [blame] | 439 | pEntry++; |
| 440 | pEntry->service_id = WMI_CONTROL_SVC; |
| 441 | pEntry->CreditAllocation = credits; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 442 | /* endpoint ping is a testing tool directly on top of HTC in |
| 443 | * both target and host sides. |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 444 | * In target side, the endppint ping fw has no wlan stack and |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 445 | * FW mboxping app directly sits on HTC and it simply drops |
| 446 | * or loops back TX packets. For rx perf, FW mboxping app |
| 447 | * generates packets and passes packets to HTC to send to host. |
Jeff Johnson | 4b253f0 | 2018-05-12 11:34:43 -0700 | [diff] [blame] | 448 | * There is no WMI message exchanges between host and target |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 449 | * in endpoint ping case. |
| 450 | * In host side, the endpoint ping driver is a Ethernet driver |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 451 | * and it directly sits on HTC. Only HIF, HTC, QDF, ADF are |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 452 | * used by the endpoint ping driver. There is no wifi stack |
| 453 | * at all in host side also. For tx perf use case, |
| 454 | * the user space mboxping app sends the raw packets to endpoint |
| 455 | * ping driver and it directly forwards to HTC for transmission |
| 456 | * to stress the bus. For the rx perf, HTC passes the received |
| 457 | * packets to endpoint ping driver and it is passed to the user |
| 458 | * space through the Ethernet interface. |
| 459 | * For credit allocation, in SDIO bus case, only BE service is |
| 460 | * used for tx/rx perf testing so that all credits are given |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 461 | * to BE service. In PCIe and USB bus case, endpoint ping uses |
| 462 | * both BE and BK services to stress the bus so that the total |
| 463 | * credits are equally distributed to BE and BK services. |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 464 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 465 | |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 466 | htc_setup_epping_credit_allocation(target->hif_dev, |
| 467 | pEntry, credits); |
Kiran Venkatappa | e17e3b6 | 2017-02-10 16:31:49 +0530 | [diff] [blame] | 468 | } else { |
| 469 | int i; |
Kiran Venkatappa | e17e3b6 | 2017-02-10 16:31:49 +0530 | [diff] [blame] | 470 | uint32_t max_wmi_svc = (sizeof(svc_id) / sizeof(uint32_t)); |
| 471 | |
| 472 | if ((target->wmi_ep_count == 0) || |
| 473 | (target->wmi_ep_count > max_wmi_svc)) |
| 474 | return A_ERROR; |
| 475 | |
| 476 | /* |
| 477 | * Divide credit among number of endpoints for WMI |
| 478 | */ |
| 479 | credits = credits / target->wmi_ep_count; |
| 480 | for (i = 0; i < target->wmi_ep_count; i++) { |
| 481 | status = A_OK; |
| 482 | pEntry++; |
| 483 | pEntry->service_id = svc_id[i]; |
| 484 | pEntry->CreditAllocation = credits; |
| 485 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 486 | } |
| 487 | |
| 488 | if (A_SUCCESS(status)) { |
| 489 | int i; |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 490 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 491 | for (i = 0; i < HTC_MAX_SERVICE_ALLOC_ENTRIES; i++) { |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 492 | if (target->ServiceTxAllocTable[i].service_id != 0) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 493 | AR_DEBUG_PRINTF(ATH_DEBUG_INIT, |
Rajeev Kumar | 885f275 | 2018-01-18 14:55:17 -0800 | [diff] [blame] | 494 | ("SVS Index : %d TX : 0x%2.2X : alloc:%d", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 495 | i, |
| 496 | target->ServiceTxAllocTable[i]. |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 497 | service_id, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 498 | target->ServiceTxAllocTable[i]. |
| 499 | CreditAllocation)); |
| 500 | } |
| 501 | } |
| 502 | } |
| 503 | |
| 504 | return status; |
| 505 | } |
| 506 | |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 507 | uint8_t htc_get_credit_allocation(HTC_TARGET *target, uint16_t service_id) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 508 | { |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 509 | uint8_t allocation = 0; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 510 | int i; |
| 511 | |
| 512 | for (i = 0; i < HTC_MAX_SERVICE_ALLOC_ENTRIES; i++) { |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 513 | if (target->ServiceTxAllocTable[i].service_id == service_id) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 514 | allocation = |
| 515 | target->ServiceTxAllocTable[i].CreditAllocation; |
| 516 | } |
| 517 | } |
| 518 | |
| 519 | if (0 == allocation) { |
Srinivas Girigowda | 38ee305 | 2017-03-10 16:00:40 -0800 | [diff] [blame] | 520 | AR_DEBUG_PRINTF(ATH_DEBUG_RSVD1, |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 521 | ("HTC Service TX : 0x%2.2X : allocation is zero!\n", |
| 522 | service_id)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 523 | } |
| 524 | |
| 525 | return allocation; |
| 526 | } |
| 527 | |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 528 | QDF_STATUS htc_wait_target(HTC_HANDLE HTCHandle) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 529 | { |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 530 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 531 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 532 | HTC_READY_EX_MSG *pReadyMsg; |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 533 | struct htc_service_connect_req connect; |
| 534 | struct htc_service_connect_resp resp; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 535 | HTC_READY_MSG *rdy_msg; |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 536 | uint16_t htc_rdy_msg_id; |
Poddar, Siddarth | f176340 | 2016-11-21 15:55:27 +0530 | [diff] [blame] | 537 | uint8_t i = 0; |
| 538 | HTC_PACKET *rx_bundle_packet, *temp_bundle_packet; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 539 | |
| 540 | AR_DEBUG_PRINTF(ATH_DEBUG_TRC, |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 541 | ("htc_wait_target - Enter (target:0x%pK)\n", HTCHandle)); |
Srinivas Girigowda | 38ee305 | 2017-03-10 16:00:40 -0800 | [diff] [blame] | 542 | AR_DEBUG_PRINTF(ATH_DEBUG_RSVD1, ("+HWT\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 543 | |
| 544 | do { |
| 545 | |
| 546 | status = hif_start(target->hif_dev); |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 547 | if (QDF_IS_STATUS_ERROR(status)) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 548 | AR_DEBUG_PRINTF(ATH_DEBUG_ERROR, |
| 549 | ("hif_start failed\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 550 | break; |
| 551 | } |
| 552 | |
| 553 | status = htc_wait_recv_ctrl_message(target); |
| 554 | |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 555 | if (QDF_IS_STATUS_ERROR(status)) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 556 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 557 | |
| 558 | if (target->CtrlResponseLength < (sizeof(HTC_READY_EX_MSG))) { |
| 559 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 560 | ("Invalid HTC Ready Msg Len:%d!\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 561 | target->CtrlResponseLength)); |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 562 | status = QDF_STATUS_E_BADMSG; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 563 | break; |
| 564 | } |
| 565 | |
| 566 | pReadyMsg = (HTC_READY_EX_MSG *) target->CtrlResponseBuffer; |
| 567 | |
| 568 | rdy_msg = &pReadyMsg->Version2_0_Info; |
| 569 | htc_rdy_msg_id = |
| 570 | HTC_GET_FIELD(rdy_msg, HTC_READY_MSG, MESSAGEID); |
| 571 | if (htc_rdy_msg_id != HTC_MSG_READY_ID) { |
| 572 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 573 | ("Invalid HTC Ready Msg : 0x%X!\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 574 | htc_rdy_msg_id)); |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 575 | status = QDF_STATUS_E_BADMSG; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 576 | break; |
| 577 | } |
| 578 | |
Manjunathappa Prakash | 0159f81 | 2019-03-27 15:23:38 -0700 | [diff] [blame] | 579 | target->TotalTransmitCredits = HTC_GET_FIELD(rdy_msg, |
| 580 | HTC_READY_MSG, CREDITCOUNT); |
| 581 | if (target->HTCInitInfo.cfg_wmi_credit_cnt && |
| 582 | (target->HTCInitInfo.cfg_wmi_credit_cnt < |
| 583 | target->TotalTransmitCredits)) |
| 584 | /* |
| 585 | * If INI configured value is less than FW advertised, |
| 586 | * then use INI configured value, otherwise use FW |
| 587 | * advertised. |
| 588 | */ |
| 589 | target->TotalTransmitCredits = |
| 590 | target->HTCInitInfo.cfg_wmi_credit_cnt; |
| 591 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 592 | target->TargetCreditSize = |
| 593 | (int)HTC_GET_FIELD(rdy_msg, HTC_READY_MSG, CREDITSIZE); |
| 594 | target->MaxMsgsPerHTCBundle = |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 595 | (uint8_t) pReadyMsg->MaxMsgsPerHTCBundle; |
Chris Guo | 37cf36d | 2017-07-06 18:56:32 +0800 | [diff] [blame] | 596 | UPDATE_ALT_CREDIT(target, pReadyMsg->AltDataCreditSize); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 597 | /* for old fw this value is set to 0. But the minimum value |
| 598 | * should be 1, i.e., no bundling |
| 599 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 600 | if (target->MaxMsgsPerHTCBundle < 1) |
| 601 | target->MaxMsgsPerHTCBundle = 1; |
| 602 | |
| 603 | AR_DEBUG_PRINTF(ATH_DEBUG_INIT, |
Rajeev Kumar | 885f275 | 2018-01-18 14:55:17 -0800 | [diff] [blame] | 604 | ("Target Ready! TX resource : %d size:%d, MaxMsgsPerHTCBundle = %d", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 605 | target->TotalTransmitCredits, |
| 606 | target->TargetCreditSize, |
| 607 | target->MaxMsgsPerHTCBundle)); |
| 608 | |
| 609 | if ((0 == target->TotalTransmitCredits) |
| 610 | || (0 == target->TargetCreditSize)) { |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 611 | status = QDF_STATUS_E_ABORTED; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 612 | break; |
| 613 | } |
Poddar, Siddarth | f176340 | 2016-11-21 15:55:27 +0530 | [diff] [blame] | 614 | |
| 615 | /* Allocate expected number of RX bundle buffer allocation */ |
| 616 | if (HTC_RX_BUNDLE_ENABLED(target)) { |
| 617 | temp_bundle_packet = NULL; |
| 618 | for (i = 0; i < MAX_HTC_RX_BUNDLE; i++) { |
| 619 | rx_bundle_packet = |
| 620 | allocate_htc_bundle_packet(target); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 621 | if (rx_bundle_packet) |
Poddar, Siddarth | f176340 | 2016-11-21 15:55:27 +0530 | [diff] [blame] | 622 | rx_bundle_packet->ListLink.pNext = |
| 623 | (DL_LIST *)temp_bundle_packet; |
| 624 | else |
| 625 | break; |
| 626 | |
| 627 | temp_bundle_packet = rx_bundle_packet; |
| 628 | } |
wadesong | fbf643a | 2017-10-14 09:11:34 +0800 | [diff] [blame] | 629 | LOCK_HTC_TX(target); |
Poddar, Siddarth | f176340 | 2016-11-21 15:55:27 +0530 | [diff] [blame] | 630 | target->pBundleFreeList = temp_bundle_packet; |
wadesong | fbf643a | 2017-10-14 09:11:34 +0800 | [diff] [blame] | 631 | UNLOCK_HTC_TX(target); |
Poddar, Siddarth | f176340 | 2016-11-21 15:55:27 +0530 | [diff] [blame] | 632 | } |
| 633 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 634 | /* done processing */ |
| 635 | target->CtrlResponseProcessing = false; |
| 636 | |
| 637 | htc_setup_target_buffer_assignments(target); |
| 638 | |
| 639 | /* setup our pseudo HTC control endpoint connection */ |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 640 | qdf_mem_zero(&connect, sizeof(connect)); |
| 641 | qdf_mem_zero(&resp, sizeof(resp)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 642 | connect.EpCallbacks.pContext = target; |
| 643 | connect.EpCallbacks.EpTxComplete = htc_control_tx_complete; |
| 644 | connect.EpCallbacks.EpRecv = htc_control_rx_complete; |
| 645 | connect.MaxSendQueueDepth = NUM_CONTROL_TX_BUFFERS; |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 646 | connect.service_id = HTC_CTRL_RSVD_SVC; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 647 | |
| 648 | /* connect fake service */ |
| 649 | status = htc_connect_service((HTC_HANDLE) target, |
| 650 | &connect, &resp); |
| 651 | |
| 652 | } while (false); |
| 653 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 654 | AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("htc_wait_target - Exit (%d)\n", |
| 655 | status)); |
Srinivas Girigowda | 38ee305 | 2017-03-10 16:00:40 -0800 | [diff] [blame] | 656 | AR_DEBUG_PRINTF(ATH_DEBUG_RSVD1, ("-HWT\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 657 | return status; |
| 658 | } |
| 659 | |
| 660 | /* start HTC, this is called after all services are connected */ |
| 661 | static A_STATUS htc_config_target_hif_pipe(HTC_TARGET *target) |
| 662 | { |
| 663 | |
| 664 | return A_OK; |
| 665 | } |
| 666 | |
| 667 | static void reset_endpoint_states(HTC_TARGET *target) |
| 668 | { |
| 669 | HTC_ENDPOINT *pEndpoint; |
| 670 | int i; |
| 671 | |
| 672 | for (i = ENDPOINT_0; i < ENDPOINT_MAX; i++) { |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 673 | pEndpoint = &target->endpoint[i]; |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 674 | pEndpoint->service_id = 0; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 675 | pEndpoint->MaxMsgLength = 0; |
| 676 | pEndpoint->MaxTxQueueDepth = 0; |
| 677 | pEndpoint->Id = i; |
| 678 | INIT_HTC_PACKET_QUEUE(&pEndpoint->TxQueue); |
| 679 | INIT_HTC_PACKET_QUEUE(&pEndpoint->TxLookupQueue); |
| 680 | INIT_HTC_PACKET_QUEUE(&pEndpoint->RxBufferHoldQueue); |
| 681 | pEndpoint->target = target; |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 682 | pEndpoint->TxCreditFlowEnabled = (bool)htc_credit_flow; |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 683 | qdf_atomic_init(&pEndpoint->TxProcessCount); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 684 | } |
| 685 | } |
| 686 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 687 | /** |
| 688 | * htc_start() - Main HTC function to trigger HTC start |
| 689 | * @HTCHandle: pointer to HTC handle |
| 690 | * |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 691 | * Return: QDF_STATUS_SUCCESS for success or an appropriate QDF_STATUS error |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 692 | */ |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 693 | QDF_STATUS htc_start(HTC_HANDLE HTCHandle) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 694 | { |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 695 | qdf_nbuf_t netbuf; |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 696 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 697 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 698 | HTC_SETUP_COMPLETE_EX_MSG *pSetupComp; |
| 699 | HTC_PACKET *pSendPacket; |
| 700 | |
| 701 | AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("htc_start Enter\n")); |
| 702 | |
| 703 | do { |
| 704 | |
| 705 | htc_config_target_hif_pipe(target); |
| 706 | |
| 707 | /* allocate a buffer to send */ |
| 708 | pSendPacket = htc_alloc_control_tx_packet(target); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 709 | if (!pSendPacket) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 710 | AR_DEBUG_ASSERT(false); |
Aditya Sathish | 648ce11 | 2018-07-02 16:41:39 +0530 | [diff] [blame] | 711 | qdf_print("%s: allocControlTxPacket failed", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 712 | __func__); |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 713 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 714 | break; |
| 715 | } |
| 716 | |
| 717 | netbuf = |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 718 | (qdf_nbuf_t) GET_HTC_PACKET_NET_BUF_CONTEXT(pSendPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 719 | /* assemble setup complete message */ |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 720 | qdf_nbuf_put_tail(netbuf, sizeof(HTC_SETUP_COMPLETE_EX_MSG)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 721 | pSetupComp = |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 722 | (HTC_SETUP_COMPLETE_EX_MSG *) qdf_nbuf_data(netbuf); |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 723 | qdf_mem_zero(pSetupComp, sizeof(HTC_SETUP_COMPLETE_EX_MSG)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 724 | |
| 725 | HTC_SET_FIELD(pSetupComp, HTC_SETUP_COMPLETE_EX_MSG, |
| 726 | MESSAGEID, HTC_MSG_SETUP_COMPLETE_EX_ID); |
| 727 | |
| 728 | if (!htc_credit_flow) { |
Manjunathappa Prakash | 85b801e | 2018-08-14 18:18:10 -0700 | [diff] [blame] | 729 | AR_DEBUG_PRINTF(ATH_DEBUG_TRC, |
Rajeev Kumar | 885f275 | 2018-01-18 14:55:17 -0800 | [diff] [blame] | 730 | ("HTC will not use TX credit flow control")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 731 | pSetupComp->SetupFlags |= |
| 732 | HTC_SETUP_COMPLETE_FLAGS_DISABLE_TX_CREDIT_FLOW; |
| 733 | } else { |
Manjunathappa Prakash | 85b801e | 2018-08-14 18:18:10 -0700 | [diff] [blame] | 734 | AR_DEBUG_PRINTF(ATH_DEBUG_TRC, |
Rajeev Kumar | 885f275 | 2018-01-18 14:55:17 -0800 | [diff] [blame] | 735 | ("HTC using TX credit flow control")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 736 | } |
| 737 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 738 | if ((hif_get_bus_type(target->hif_dev) == QDF_BUS_TYPE_SDIO) || |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 739 | (hif_get_bus_type(target->hif_dev) == |
| 740 | QDF_BUS_TYPE_USB)) { |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 741 | if (HTC_RX_BUNDLE_ENABLED(target)) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 742 | pSetupComp->SetupFlags |= |
| 743 | HTC_SETUP_COMPLETE_FLAGS_ENABLE_BUNDLE_RECV; |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 744 | hif_set_bundle_mode(target->hif_dev, true, |
| 745 | HTC_MAX_MSG_PER_BUNDLE_RX); |
Ajit Pal Singh | ed6f03b | 2019-01-25 12:16:14 +0530 | [diff] [blame] | 746 | pSetupComp->MaxMsgsPerBundledRecv = HTC_MAX_MSG_PER_BUNDLE_RX; |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 747 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 748 | |
| 749 | SET_HTC_PACKET_INFO_TX(pSendPacket, |
| 750 | NULL, |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 751 | (uint8_t *) pSetupComp, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 752 | sizeof(HTC_SETUP_COMPLETE_EX_MSG), |
| 753 | ENDPOINT_0, HTC_SERVICE_TX_PACKET_TAG); |
| 754 | |
| 755 | status = htc_send_pkt((HTC_HANDLE) target, pSendPacket); |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 756 | if (QDF_IS_STATUS_ERROR(status)) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 757 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 758 | } while (false); |
| 759 | |
| 760 | AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("htc_start Exit\n")); |
| 761 | return status; |
| 762 | } |
| 763 | |
| 764 | /*flush all queued buffers for surpriseremove case*/ |
| 765 | void htc_flush_surprise_remove(HTC_HANDLE HTCHandle) |
| 766 | { |
| 767 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 768 | int i; |
| 769 | HTC_ENDPOINT *pEndpoint; |
| 770 | #ifdef RX_SG_SUPPORT |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 771 | qdf_nbuf_t netbuf; |
| 772 | qdf_nbuf_queue_t *rx_sg_queue = &target->RxSgQueue; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 773 | #endif |
| 774 | |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 775 | AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("+htc_flush_surprise_remove\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 776 | |
| 777 | /* cleanup endpoints */ |
| 778 | for (i = 0; i < ENDPOINT_MAX; i++) { |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 779 | pEndpoint = &target->endpoint[i]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 780 | htc_flush_rx_hold_queue(target, pEndpoint); |
| 781 | htc_flush_endpoint_tx(target, pEndpoint, HTC_TX_PACKET_TAG_ALL); |
| 782 | } |
| 783 | |
| 784 | hif_flush_surprise_remove(target->hif_dev); |
| 785 | |
| 786 | #ifdef RX_SG_SUPPORT |
| 787 | LOCK_HTC_RX(target); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 788 | while ((netbuf = qdf_nbuf_queue_remove(rx_sg_queue)) != NULL) |
| 789 | qdf_nbuf_free(netbuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 790 | RESET_RX_SG_CONFIG(target); |
| 791 | UNLOCK_HTC_RX(target); |
| 792 | #endif |
| 793 | |
| 794 | reset_endpoint_states(target); |
| 795 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 796 | AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("-htc_flush_surprise_remove\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 797 | } |
| 798 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 799 | /* stop HTC communications, i.e. stop interrupt reception, and flush all queued |
| 800 | * buffers |
| 801 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 802 | void htc_stop(HTC_HANDLE HTCHandle) |
| 803 | { |
| 804 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 805 | int i; |
| 806 | HTC_ENDPOINT *pEndpoint; |
| 807 | #ifdef RX_SG_SUPPORT |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 808 | qdf_nbuf_t netbuf; |
| 809 | qdf_nbuf_queue_t *rx_sg_queue = &target->RxSgQueue; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 810 | #endif |
| 811 | |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 812 | AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("+htc_stop\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 813 | |
Vevek Venkatesan | 9448b3a | 2019-05-28 12:47:20 +0530 | [diff] [blame] | 814 | HTC_INFO("%s: endpoints cleanup\n", __func__); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 815 | /* cleanup endpoints */ |
| 816 | for (i = 0; i < ENDPOINT_MAX; i++) { |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 817 | pEndpoint = &target->endpoint[i]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 818 | htc_flush_rx_hold_queue(target, pEndpoint); |
| 819 | htc_flush_endpoint_tx(target, pEndpoint, HTC_TX_PACKET_TAG_ALL); |
| 820 | if (pEndpoint->ul_is_polled) { |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 821 | qdf_timer_stop(&pEndpoint->ul_poll_timer); |
| 822 | qdf_timer_free(&pEndpoint->ul_poll_timer); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 823 | } |
| 824 | } |
| 825 | |
| 826 | /* Note: htc_flush_endpoint_tx for all endpoints should be called before |
| 827 | * hif_stop - otherwise htc_tx_completion_handler called from |
| 828 | * hif_send_buffer_cleanup_on_pipe for residual tx frames in HIF layer, |
| 829 | * might queue the packet again to HIF Layer - which could cause tx |
| 830 | * buffer leak |
| 831 | */ |
| 832 | |
Vevek Venkatesan | 9448b3a | 2019-05-28 12:47:20 +0530 | [diff] [blame] | 833 | HTC_INFO("%s: stopping hif layer\n", __func__); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 834 | hif_stop(target->hif_dev); |
| 835 | |
| 836 | #ifdef RX_SG_SUPPORT |
| 837 | LOCK_HTC_RX(target); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 838 | while ((netbuf = qdf_nbuf_queue_remove(rx_sg_queue)) != NULL) |
| 839 | qdf_nbuf_free(netbuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 840 | RESET_RX_SG_CONFIG(target); |
| 841 | UNLOCK_HTC_RX(target); |
| 842 | #endif |
| 843 | |
Zhang Qian | edaa387 | 2018-07-04 20:02:53 +0800 | [diff] [blame] | 844 | /** |
| 845 | * In SSR case, HTC tx completion callback for wmi will be blocked |
| 846 | * by TARGET_STATUS_RESET and HTC packets will be left unfreed on |
| 847 | * lookup queue. |
| 848 | */ |
Vevek Venkatesan | 9448b3a | 2019-05-28 12:47:20 +0530 | [diff] [blame] | 849 | HTC_INFO("%s: flush endpoints Tx lookup queue\n", __func__); |
Zhang Qian | edaa387 | 2018-07-04 20:02:53 +0800 | [diff] [blame] | 850 | for (i = 0; i < ENDPOINT_MAX; i++) { |
| 851 | pEndpoint = &target->endpoint[i]; |
| 852 | if (pEndpoint->service_id == WMI_CONTROL_SVC) |
| 853 | htc_flush_endpoint_txlookupQ(target, i, false); |
| 854 | } |
Vevek Venkatesan | 9448b3a | 2019-05-28 12:47:20 +0530 | [diff] [blame] | 855 | HTC_INFO("%s: resetting endpoints state\n", __func__); |
Zhang Qian | edaa387 | 2018-07-04 20:02:53 +0800 | [diff] [blame] | 856 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 857 | reset_endpoint_states(target); |
| 858 | |
Houston Hoffman | 47e387b | 2015-10-20 17:04:42 -0700 | [diff] [blame] | 859 | AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("-htc_stop\n")); |
| 860 | } |
| 861 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 862 | void htc_dump_credit_states(HTC_HANDLE HTCHandle) |
| 863 | { |
| 864 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 865 | HTC_ENDPOINT *pEndpoint; |
| 866 | int i; |
| 867 | |
| 868 | for (i = 0; i < ENDPOINT_MAX; i++) { |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 869 | pEndpoint = &target->endpoint[i]; |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 870 | if (0 == pEndpoint->service_id) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 871 | continue; |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 872 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 873 | AR_DEBUG_PRINTF(ATH_DEBUG_ANY, |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 874 | ("--- EP : %d service_id: 0x%X --------------\n", |
| 875 | pEndpoint->Id, pEndpoint->service_id)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 876 | AR_DEBUG_PRINTF(ATH_DEBUG_ANY, |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 877 | (" TxCredits : %d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 878 | pEndpoint->TxCredits)); |
| 879 | AR_DEBUG_PRINTF(ATH_DEBUG_ANY, |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 880 | (" TxCreditSize : %d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 881 | pEndpoint->TxCreditSize)); |
| 882 | AR_DEBUG_PRINTF(ATH_DEBUG_ANY, |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 883 | (" TxCreditsPerMaxMsg : %d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 884 | pEndpoint->TxCreditsPerMaxMsg)); |
| 885 | AR_DEBUG_PRINTF(ATH_DEBUG_ANY, |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 886 | (" TxQueueDepth : %d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 887 | HTC_PACKET_QUEUE_DEPTH(&pEndpoint->TxQueue))); |
| 888 | AR_DEBUG_PRINTF(ATH_DEBUG_ANY, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 889 | ("----------------------------------------\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 890 | } |
| 891 | } |
| 892 | |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 893 | bool htc_get_endpoint_statistics(HTC_HANDLE HTCHandle, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 894 | HTC_ENDPOINT_ID Endpoint, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 895 | enum htc_endpoint_stat_action Action, |
| 896 | struct htc_endpoint_stats *pStats) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 897 | { |
| 898 | #ifdef HTC_EP_STAT_PROFILING |
| 899 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 900 | bool clearStats = false; |
| 901 | bool sample = false; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 902 | |
| 903 | switch (Action) { |
| 904 | case HTC_EP_STAT_SAMPLE: |
| 905 | sample = true; |
| 906 | break; |
| 907 | case HTC_EP_STAT_SAMPLE_AND_CLEAR: |
| 908 | sample = true; |
| 909 | clearStats = true; |
| 910 | break; |
| 911 | case HTC_EP_STAT_CLEAR: |
| 912 | clearStats = true; |
| 913 | break; |
| 914 | default: |
| 915 | break; |
| 916 | } |
| 917 | |
| 918 | A_ASSERT(Endpoint < ENDPOINT_MAX); |
| 919 | |
| 920 | /* lock out TX and RX while we sample and/or clear */ |
| 921 | LOCK_HTC_TX(target); |
| 922 | LOCK_HTC_RX(target); |
| 923 | |
| 924 | if (sample) { |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 925 | A_ASSERT(pStats); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 926 | /* return the stats to the caller */ |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 927 | qdf_mem_copy(pStats, &target->endpoint[Endpoint].endpoint_stats, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 928 | sizeof(struct htc_endpoint_stats)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 929 | } |
| 930 | |
| 931 | if (clearStats) { |
| 932 | /* reset stats */ |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 933 | qdf_mem_zero(&target->endpoint[Endpoint].endpoint_stats, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 934 | sizeof(struct htc_endpoint_stats)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 935 | } |
| 936 | |
| 937 | UNLOCK_HTC_RX(target); |
| 938 | UNLOCK_HTC_TX(target); |
| 939 | |
| 940 | return true; |
| 941 | #else |
| 942 | return false; |
| 943 | #endif |
| 944 | } |
| 945 | |
| 946 | void *htc_get_targetdef(HTC_HANDLE htc_handle) |
| 947 | { |
| 948 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_handle); |
| 949 | |
| 950 | return hif_get_targetdef(target->hif_dev); |
| 951 | } |
| 952 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 953 | #ifdef IPA_OFFLOAD |
Leo Chang | d85f78d | 2015-11-13 10:55:34 -0800 | [diff] [blame] | 954 | /** |
| 955 | * htc_ipa_get_ce_resource() - get uc resource on lower layer |
| 956 | * @htc_handle: htc context |
| 957 | * @ce_sr_base_paddr: copyengine source ring base physical address |
| 958 | * @ce_sr_ring_size: copyengine source ring size |
| 959 | * @ce_reg_paddr: copyengine register physical address |
| 960 | * |
| 961 | * Return: None |
| 962 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 963 | void htc_ipa_get_ce_resource(HTC_HANDLE htc_handle, |
Sravan Kumar Kairam | 58e0adf | 2018-02-27 18:37:40 +0530 | [diff] [blame] | 964 | qdf_shared_mem_t **ce_sr, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 965 | uint32_t *ce_sr_ring_size, |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 966 | qdf_dma_addr_t *ce_reg_paddr) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 967 | { |
| 968 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_handle); |
| 969 | |
Sravan Kumar Kairam | 58e0adf | 2018-02-27 18:37:40 +0530 | [diff] [blame] | 970 | if (target->hif_dev) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 971 | hif_ipa_get_ce_resource(target->hif_dev, |
Sravan Kumar Kairam | 58e0adf | 2018-02-27 18:37:40 +0530 | [diff] [blame] | 972 | ce_sr, ce_sr_ring_size, ce_reg_paddr); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 973 | } |
| 974 | #endif /* IPA_OFFLOAD */ |
Komal Seelam | f860068 | 2016-02-02 18:17:13 +0530 | [diff] [blame] | 975 | |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 976 | #if defined(DEBUG_HL_LOGGING) && defined(CONFIG_HL_SUPPORT) |
| 977 | |
| 978 | void htc_dump_bundle_stats(HTC_HANDLE HTCHandle) |
| 979 | { |
| 980 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 981 | int total, i; |
| 982 | |
| 983 | total = 0; |
| 984 | for (i = 0; i < HTC_MAX_MSG_PER_BUNDLE_RX; i++) |
| 985 | total += target->rx_bundle_stats[i]; |
| 986 | |
| 987 | if (total) { |
| 988 | AR_DEBUG_PRINTF(ATH_DEBUG_ANY, ("RX Bundle stats:\n")); |
| 989 | AR_DEBUG_PRINTF(ATH_DEBUG_ANY, ("Total RX packets: %d\n", |
| 990 | total)); |
| 991 | AR_DEBUG_PRINTF(ATH_DEBUG_ANY, ( |
| 992 | "Number of bundle: Number of packets\n")); |
| 993 | for (i = 0; i < HTC_MAX_MSG_PER_BUNDLE_RX; i++) |
| 994 | AR_DEBUG_PRINTF(ATH_DEBUG_ANY, |
| 995 | ("%10d:%10d(%2d%s)\n", (i+1), |
| 996 | target->rx_bundle_stats[i], |
| 997 | ((target->rx_bundle_stats[i]*100)/ |
| 998 | total), "%")); |
| 999 | } |
| 1000 | |
| 1001 | |
| 1002 | total = 0; |
| 1003 | for (i = 0; i < HTC_MAX_MSG_PER_BUNDLE_TX; i++) |
| 1004 | total += target->tx_bundle_stats[i]; |
| 1005 | |
| 1006 | if (total) { |
| 1007 | AR_DEBUG_PRINTF(ATH_DEBUG_ANY, ("TX Bundle stats:\n")); |
| 1008 | AR_DEBUG_PRINTF(ATH_DEBUG_ANY, ("Total TX packets: %d\n", |
| 1009 | total)); |
| 1010 | AR_DEBUG_PRINTF(ATH_DEBUG_ANY, |
| 1011 | ("Number of bundle: Number of packets\n")); |
| 1012 | for (i = 0; i < HTC_MAX_MSG_PER_BUNDLE_TX; i++) |
| 1013 | AR_DEBUG_PRINTF(ATH_DEBUG_ANY, |
| 1014 | ("%10d:%10d(%2d%s)\n", (i+1), |
| 1015 | target->tx_bundle_stats[i], |
| 1016 | ((target->tx_bundle_stats[i]*100)/ |
| 1017 | total), "%")); |
| 1018 | } |
| 1019 | } |
| 1020 | |
| 1021 | void htc_clear_bundle_stats(HTC_HANDLE HTCHandle) |
| 1022 | { |
| 1023 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 1024 | |
| 1025 | qdf_mem_zero(&target->rx_bundle_stats, sizeof(target->rx_bundle_stats)); |
| 1026 | qdf_mem_zero(&target->tx_bundle_stats, sizeof(target->tx_bundle_stats)); |
| 1027 | } |
| 1028 | #endif |
| 1029 | |
Komal Seelam | f860068 | 2016-02-02 18:17:13 +0530 | [diff] [blame] | 1030 | /** |
| 1031 | * htc_vote_link_down - API to vote for link down |
| 1032 | * @htc_handle: HTC handle |
| 1033 | * |
| 1034 | * API for upper layers to call HIF to vote for link down |
| 1035 | * |
| 1036 | * Return: void |
| 1037 | */ |
| 1038 | void htc_vote_link_down(HTC_HANDLE htc_handle) |
| 1039 | { |
| 1040 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_handle); |
| 1041 | |
| 1042 | if (!target->hif_dev) |
| 1043 | return; |
| 1044 | |
| 1045 | hif_vote_link_down(target->hif_dev); |
| 1046 | } |
| 1047 | |
| 1048 | /** |
| 1049 | * htc_vote_link_up - API to vote for link up |
| 1050 | * @htc_handle: HTC Handle |
| 1051 | * |
| 1052 | * API for upper layers to call HIF to vote for link up |
| 1053 | * |
| 1054 | * Return: void |
| 1055 | */ |
| 1056 | void htc_vote_link_up(HTC_HANDLE htc_handle) |
| 1057 | { |
| 1058 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_handle); |
| 1059 | |
| 1060 | if (!target->hif_dev) |
| 1061 | return; |
| 1062 | |
| 1063 | hif_vote_link_up(target->hif_dev); |
| 1064 | } |
| 1065 | |
| 1066 | /** |
| 1067 | * htc_can_suspend_link - API to query HIF for link status |
| 1068 | * @htc_handle: HTC Handle |
| 1069 | * |
| 1070 | * API for upper layers to call HIF to query if the link can suspend |
| 1071 | * |
| 1072 | * Return: void |
| 1073 | */ |
| 1074 | bool htc_can_suspend_link(HTC_HANDLE htc_handle) |
| 1075 | { |
| 1076 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_handle); |
| 1077 | |
| 1078 | if (!target->hif_dev) |
| 1079 | return false; |
| 1080 | |
| 1081 | return hif_can_suspend_link(target->hif_dev); |
| 1082 | } |
Houston Hoffman | 4d9b080 | 2016-07-20 10:10:35 -0700 | [diff] [blame] | 1083 | |
| 1084 | #ifdef FEATURE_RUNTIME_PM |
| 1085 | int htc_pm_runtime_get(HTC_HANDLE htc_handle) |
| 1086 | { |
| 1087 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_handle); |
| 1088 | |
Houston Hoffman | 4d9b080 | 2016-07-20 10:10:35 -0700 | [diff] [blame] | 1089 | return hif_pm_runtime_get(target->hif_dev); |
| 1090 | } |
| 1091 | |
| 1092 | int htc_pm_runtime_put(HTC_HANDLE htc_handle) |
| 1093 | { |
| 1094 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_handle); |
| 1095 | |
Houston Hoffman | 4d9b080 | 2016-07-20 10:10:35 -0700 | [diff] [blame] | 1096 | return hif_pm_runtime_put(target->hif_dev); |
| 1097 | } |
| 1098 | #endif |
Kiran Venkatappa | e17e3b6 | 2017-02-10 16:31:49 +0530 | [diff] [blame] | 1099 | |
| 1100 | /** |
| 1101 | * htc_set_wmi_endpoint_count: Set number of WMI endpoint |
| 1102 | * @htc_handle: HTC handle |
| 1103 | * @wmi_ep_count: WMI enpoint count |
| 1104 | * |
| 1105 | * return: None |
| 1106 | */ |
| 1107 | void htc_set_wmi_endpoint_count(HTC_HANDLE htc_handle, uint8_t wmi_ep_count) |
| 1108 | { |
| 1109 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_handle); |
| 1110 | |
| 1111 | target->wmi_ep_count = wmi_ep_count; |
| 1112 | } |
| 1113 | |
| 1114 | /** |
| 1115 | * htc_get_wmi_endpoint_count: Get number of WMI endpoint |
| 1116 | * @htc_handle: HTC handle |
| 1117 | * |
| 1118 | * return: WMI enpoint count |
| 1119 | */ |
| 1120 | uint8_t htc_get_wmi_endpoint_count(HTC_HANDLE htc_handle) |
| 1121 | { |
| 1122 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_handle); |
| 1123 | |
| 1124 | return target->wmi_ep_count; |
| 1125 | } |