Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1 | /* |
Vivek Natarajan | ed3bf79 | 2019-01-06 07:05:43 +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 <qdf_mem.h> /* qdf_mem_malloc */ |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 23 | #include <qdf_nbuf.h> /* qdf_nbuf_t */ |
Pratik Gandhi | dc82a77 | 2018-01-30 18:57:05 +0530 | [diff] [blame] | 24 | #include "qdf_module.h" |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 25 | |
| 26 | /* #define USB_HIF_SINGLE_PIPE_DATA_SCHED */ |
| 27 | /* #ifdef USB_HIF_SINGLE_PIPE_DATA_SCHED */ |
| 28 | #define DATA_EP_SIZE 4 |
| 29 | /* #endif */ |
| 30 | #define HTC_DATA_RESOURCE_THRS 256 |
| 31 | #define HTC_DATA_MINDESC_PERPACKET 2 |
| 32 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 33 | enum HTC_SEND_QUEUE_RESULT { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 34 | HTC_SEND_QUEUE_OK = 0, /* packet was queued */ |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 35 | HTC_SEND_QUEUE_DROP = 1, /* this packet should be dropped */ |
| 36 | }; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 37 | |
| 38 | #ifndef DEBUG_CREDIT |
| 39 | #define DEBUG_CREDIT 0 |
| 40 | #endif |
| 41 | |
| 42 | #if DEBUG_CREDIT |
| 43 | /* bit mask to enable debug certain endpoint */ |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 44 | static unsigned int ep_debug_mask = |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 45 | (1 << ENDPOINT_0) | (1 << ENDPOINT_1) | (1 << ENDPOINT_2); |
| 46 | #endif |
| 47 | |
Alok Kumar | 967af27 | 2016-12-02 16:32:53 -0800 | [diff] [blame] | 48 | #ifdef QCA_WIFI_NAPIER_EMULATION |
| 49 | #define HTC_EMULATION_DELAY_IN_MS 20 |
| 50 | /** |
| 51 | * htc_add_delay(): Adds a delay in before proceeding, only for emulation |
| 52 | * |
| 53 | * Return: None |
| 54 | */ |
| 55 | static inline void htc_add_emulation_delay(void) |
| 56 | { |
| 57 | qdf_mdelay(HTC_EMULATION_DELAY_IN_MS); |
| 58 | } |
| 59 | #else |
| 60 | static inline void htc_add_emulation_delay(void) |
| 61 | { |
| 62 | } |
| 63 | #endif |
| 64 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 65 | void htc_dump_counter_info(HTC_HANDLE HTCHandle) |
| 66 | { |
| 67 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 68 | |
| 69 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 70 | ("\n%s: ce_send_cnt = %d, TX_comp_cnt = %d\n", |
| 71 | __func__, target->ce_send_cnt, target->TX_comp_cnt)); |
| 72 | } |
| 73 | |
Himanshu Batra | 032d352 | 2019-07-10 12:36:06 +0530 | [diff] [blame] | 74 | int htc_get_tx_queue_depth(HTC_HANDLE htc_handle, HTC_ENDPOINT_ID endpoint_id) |
Houston Hoffman | adc3147 | 2017-03-14 16:15:29 -0700 | [diff] [blame] | 75 | { |
| 76 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_handle); |
| 77 | HTC_ENDPOINT *endpoint = &target->endpoint[endpoint_id]; |
| 78 | |
| 79 | return HTC_PACKET_QUEUE_DEPTH(&endpoint->TxQueue); |
| 80 | } |
Pratik Gandhi | dc82a77 | 2018-01-30 18:57:05 +0530 | [diff] [blame] | 81 | qdf_export_symbol(htc_get_tx_queue_depth); |
Houston Hoffman | adc3147 | 2017-03-14 16:15:29 -0700 | [diff] [blame] | 82 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 83 | void htc_get_control_endpoint_tx_host_credits(HTC_HANDLE HTCHandle, |
| 84 | int *credits) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 85 | { |
| 86 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 87 | HTC_ENDPOINT *pEndpoint; |
| 88 | int i; |
| 89 | |
| 90 | if (!credits || !target) { |
| 91 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: invalid args", __func__)); |
| 92 | return; |
| 93 | } |
| 94 | |
| 95 | *credits = 0; |
| 96 | LOCK_HTC_TX(target); |
| 97 | for (i = 0; i < ENDPOINT_MAX; i++) { |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 98 | pEndpoint = &target->endpoint[i]; |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 99 | if (pEndpoint->service_id == WMI_CONTROL_SVC) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 100 | *credits = pEndpoint->TxCredits; |
| 101 | break; |
| 102 | } |
| 103 | } |
| 104 | UNLOCK_HTC_TX(target); |
| 105 | } |
| 106 | |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 107 | static inline void restore_tx_packet(HTC_TARGET *target, HTC_PACKET *pPacket) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 108 | { |
Dustin Brown | bc9718f | 2017-12-11 12:15:27 -0800 | [diff] [blame] | 109 | qdf_nbuf_t netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 110 | |
Dustin Brown | bc9718f | 2017-12-11 12:15:27 -0800 | [diff] [blame] | 111 | if (pPacket->PktInfo.AsTx.Flags & HTC_TX_PACKET_FLAG_FIXUP_NETBUF) { |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 112 | qdf_nbuf_unmap(target->osdev, netbuf, QDF_DMA_TO_DEVICE); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 113 | pPacket->PktInfo.AsTx.Flags &= ~HTC_TX_PACKET_FLAG_FIXUP_NETBUF; |
| 114 | } |
Nirav Shah | 31435bb | 2019-08-05 17:51:19 +0530 | [diff] [blame] | 115 | if (pPacket->PktInfo.AsTx.Flags & |
| 116 | HTC_TX_PACKET_FLAG_HTC_HEADER_IN_NETBUF_DATA) { |
| 117 | qdf_nbuf_pull_head(netbuf, sizeof(HTC_FRAME_HDR)); |
| 118 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 119 | } |
| 120 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 121 | static void send_packet_completion(HTC_TARGET *target, HTC_PACKET *pPacket) |
| 122 | { |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 123 | HTC_ENDPOINT *pEndpoint = &target->endpoint[pPacket->Endpoint]; |
Yun Park | 88e0b95 | 2017-10-11 23:08:34 -0700 | [diff] [blame] | 124 | HTC_EP_SEND_PKT_COMPLETE EpTxComplete; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 125 | |
| 126 | restore_tx_packet(target, pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 127 | |
Rakesh Pillai | 4863352 | 2019-11-15 15:07:53 +0530 | [diff] [blame] | 128 | /* |
| 129 | * In case of SSR, we cannot call the upper layer completion |
| 130 | * callbacks, hence just free the nbuf and HTC packet here. |
| 131 | */ |
| 132 | if (hif_get_target_status(target->hif_dev)) { |
| 133 | htc_free_control_tx_packet(target, pPacket); |
| 134 | return; |
| 135 | } |
| 136 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 137 | /* do completion */ |
Yun Park | 88e0b95 | 2017-10-11 23:08:34 -0700 | [diff] [blame] | 138 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 139 | ("HTC calling ep %d send complete callback on packet %pK\n", |
| 140 | pEndpoint->Id, pPacket)); |
| 141 | |
| 142 | EpTxComplete = pEndpoint->EpCallBacks.EpTxComplete; |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 143 | if (EpTxComplete) |
Yun Park | 88e0b95 | 2017-10-11 23:08:34 -0700 | [diff] [blame] | 144 | EpTxComplete(pEndpoint->EpCallBacks.pContext, pPacket); |
| 145 | else |
| 146 | qdf_nbuf_free(pPacket->pPktContext); |
| 147 | |
| 148 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 149 | } |
| 150 | |
Yue Ma | 4986b25 | 2019-07-23 15:57:48 -0700 | [diff] [blame] | 151 | #ifdef FEATURE_RUNTIME_PM |
| 152 | /** |
| 153 | * log_packet_info() - Log HTC packet information |
| 154 | * |
| 155 | * @target: handle of HTC context |
| 156 | * @pPacket: handle of HTC packet |
| 157 | * |
| 158 | * Return: None |
| 159 | */ |
| 160 | static void log_packet_info(HTC_TARGET *target, HTC_PACKET *pPacket) |
| 161 | { |
| 162 | HTC_ENDPOINT *pEndpoint = &target->endpoint[pPacket->Endpoint]; |
| 163 | HTC_EP_LOG_PKT ep_log_pkt; |
| 164 | qdf_nbuf_t netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
| 165 | |
| 166 | ep_log_pkt = pEndpoint->EpCallBacks.ep_log_pkt; |
| 167 | if (ep_log_pkt) { |
| 168 | qdf_nbuf_pull_head(netbuf, sizeof(HTC_FRAME_HDR)); |
| 169 | ep_log_pkt(pEndpoint->EpCallBacks.pContext, pPacket); |
| 170 | qdf_nbuf_push_head(netbuf, sizeof(HTC_FRAME_HDR)); |
| 171 | } |
| 172 | } |
| 173 | #else |
| 174 | static void log_packet_info(HTC_TARGET *target, HTC_PACKET *pPacket) |
| 175 | { |
| 176 | } |
| 177 | #endif |
| 178 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 179 | void htc_send_complete_check_cleanup(void *context) |
| 180 | { |
| 181 | HTC_ENDPOINT *pEndpoint = (HTC_ENDPOINT *) context; |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 182 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 183 | htc_send_complete_check(pEndpoint, 1); |
| 184 | } |
| 185 | |
| 186 | HTC_PACKET *allocate_htc_bundle_packet(HTC_TARGET *target) |
| 187 | { |
| 188 | HTC_PACKET *pPacket; |
| 189 | HTC_PACKET_QUEUE *pQueueSave; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 190 | qdf_nbuf_t netbuf; |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 191 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 192 | LOCK_HTC_TX(target); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 193 | if (!target->pBundleFreeList) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 194 | UNLOCK_HTC_TX(target); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 195 | netbuf = qdf_nbuf_alloc(NULL, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 196 | target->MaxMsgsPerHTCBundle * |
| 197 | target->TargetCreditSize, 0, 4, false); |
| 198 | AR_DEBUG_ASSERT(netbuf); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 199 | if (!netbuf) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 200 | return NULL; |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 201 | pPacket = qdf_mem_malloc(sizeof(HTC_PACKET)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 202 | AR_DEBUG_ASSERT(pPacket); |
| 203 | if (!pPacket) { |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 204 | qdf_nbuf_free(netbuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 205 | return NULL; |
| 206 | } |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 207 | pQueueSave = qdf_mem_malloc(sizeof(HTC_PACKET_QUEUE)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 208 | AR_DEBUG_ASSERT(pQueueSave); |
| 209 | if (!pQueueSave) { |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 210 | qdf_nbuf_free(netbuf); |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 211 | qdf_mem_free(pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 212 | return NULL; |
| 213 | } |
| 214 | INIT_HTC_PACKET_QUEUE(pQueueSave); |
| 215 | pPacket->pContext = pQueueSave; |
| 216 | SET_HTC_PACKET_NET_BUF_CONTEXT(pPacket, netbuf); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 217 | pPacket->pBuffer = qdf_nbuf_data(netbuf); |
| 218 | pPacket->BufferLength = qdf_nbuf_len(netbuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 219 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 220 | /* store the original head room so that we can restore this |
| 221 | * when we "free" the packet. |
| 222 | * free packet puts the packet back on the free list |
| 223 | */ |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 224 | pPacket->netbufOrigHeadRoom = qdf_nbuf_headroom(netbuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 225 | return pPacket; |
| 226 | } |
| 227 | /* already done malloc - restore from free list */ |
| 228 | pPacket = target->pBundleFreeList; |
| 229 | AR_DEBUG_ASSERT(pPacket); |
| 230 | if (!pPacket) { |
| 231 | UNLOCK_HTC_TX(target); |
| 232 | return NULL; |
| 233 | } |
| 234 | target->pBundleFreeList = (HTC_PACKET *) pPacket->ListLink.pNext; |
| 235 | UNLOCK_HTC_TX(target); |
| 236 | pPacket->ListLink.pNext = NULL; |
| 237 | |
| 238 | return pPacket; |
| 239 | } |
| 240 | |
| 241 | void free_htc_bundle_packet(HTC_TARGET *target, HTC_PACKET *pPacket) |
| 242 | { |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 243 | uint32_t curentHeadRoom; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 244 | qdf_nbuf_t netbuf; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 245 | HTC_PACKET_QUEUE *pQueueSave; |
| 246 | |
| 247 | netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
| 248 | AR_DEBUG_ASSERT(netbuf); |
| 249 | if (!netbuf) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 250 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 251 | ("\n%s: Invalid netbuf in HTC Packet\n", |
| 252 | __func__)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 253 | return; |
| 254 | } |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 255 | /* HIF adds data to the headroom section of the nbuf, restore thei |
| 256 | * original size. If this is not done, headroom keeps shrinking with |
| 257 | * every HIF send and eventually HIF ends up doing another malloc big |
| 258 | * enough to store the data + its header |
| 259 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 260 | |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 261 | curentHeadRoom = qdf_nbuf_headroom(netbuf); |
| 262 | qdf_nbuf_pull_head(netbuf, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 263 | pPacket->netbufOrigHeadRoom - curentHeadRoom); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 264 | qdf_nbuf_trim_tail(netbuf, qdf_nbuf_len(netbuf)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 265 | |
| 266 | /* restore the pBuffer pointer. HIF changes this */ |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 267 | pPacket->pBuffer = qdf_nbuf_data(netbuf); |
| 268 | pPacket->BufferLength = qdf_nbuf_len(netbuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 269 | |
| 270 | /* restore queue */ |
| 271 | pQueueSave = (HTC_PACKET_QUEUE *) pPacket->pContext; |
jitiphil | fcc2488 | 2018-05-11 16:14:38 +0530 | [diff] [blame] | 272 | if (qdf_unlikely(!pQueueSave)) { |
| 273 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 274 | ("\n%s: Invalid pQueueSave in HTC Packet\n", |
| 275 | __func__)); |
| 276 | AR_DEBUG_ASSERT(pQueueSave); |
| 277 | } else |
| 278 | INIT_HTC_PACKET_QUEUE(pQueueSave); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 279 | |
| 280 | LOCK_HTC_TX(target); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 281 | if (!target->pBundleFreeList) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 282 | target->pBundleFreeList = pPacket; |
| 283 | pPacket->ListLink.pNext = NULL; |
| 284 | } else { |
| 285 | pPacket->ListLink.pNext = (DL_LIST *) target->pBundleFreeList; |
| 286 | target->pBundleFreeList = pPacket; |
| 287 | } |
| 288 | UNLOCK_HTC_TX(target); |
| 289 | } |
| 290 | |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 291 | #if defined(DEBUG_HL_LOGGING) && defined(CONFIG_HL_SUPPORT) |
| 292 | |
| 293 | /** |
| 294 | * htc_send_update_tx_bundle_stats() - update tx bundle stats depends |
| 295 | * on max bundle size |
| 296 | * @target: hif context |
| 297 | * @data_len: tx data len |
| 298 | * @TxCreditSize: endpoint tx credit size |
| 299 | * |
| 300 | * Return: None |
| 301 | */ |
| 302 | static inline void |
| 303 | htc_send_update_tx_bundle_stats(HTC_TARGET *target, |
| 304 | qdf_size_t data_len, |
| 305 | int TxCreditSize) |
| 306 | { |
Nirav Shah | eb26831 | 2019-11-11 10:55:15 +0530 | [diff] [blame] | 307 | int index = ((data_len + TxCreditSize - 1) / TxCreditSize) - 1; |
| 308 | |
| 309 | if (index < HTC_MAX_MSG_PER_BUNDLE_TX) |
| 310 | target->tx_bundle_stats[index]++; |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 311 | } |
| 312 | |
| 313 | /** |
| 314 | * htc_issue_tx_bundle_stats_inc() - increment in tx bundle stats |
| 315 | * on max bundle size |
| 316 | * @target: hif context |
| 317 | * |
| 318 | * Return: None |
| 319 | */ |
| 320 | static inline void |
| 321 | htc_issue_tx_bundle_stats_inc(HTC_TARGET *target) |
| 322 | { |
| 323 | target->tx_bundle_stats[0]++; |
| 324 | } |
| 325 | #else |
| 326 | |
| 327 | static inline void |
| 328 | htc_send_update_tx_bundle_stats(HTC_TARGET *target, |
| 329 | qdf_size_t data_len, |
| 330 | int TxCreditSize) |
| 331 | { |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | static inline void |
| 335 | htc_issue_tx_bundle_stats_inc(HTC_TARGET *target) |
| 336 | { |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 337 | } |
| 338 | #endif |
| 339 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 340 | #if defined(HIF_USB) || defined(HIF_SDIO) |
| 341 | #ifdef ENABLE_BUNDLE_TX |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 342 | static QDF_STATUS htc_send_bundled_netbuf(HTC_TARGET *target, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 343 | HTC_ENDPOINT *pEndpoint, |
| 344 | unsigned char *pBundleBuffer, |
| 345 | HTC_PACKET *pPacketTx) |
| 346 | { |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 347 | qdf_size_t data_len; |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 348 | QDF_STATUS status; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 349 | qdf_nbuf_t bundleBuf; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 350 | uint32_t data_attr = 0; |
| 351 | |
| 352 | bundleBuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacketTx); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 353 | data_len = pBundleBuffer - qdf_nbuf_data(bundleBuf); |
| 354 | qdf_nbuf_put_tail(bundleBuf, data_len); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 355 | SET_HTC_PACKET_INFO_TX(pPacketTx, |
| 356 | target, |
| 357 | pBundleBuffer, |
| 358 | data_len, |
| 359 | pEndpoint->Id, HTC_TX_PACKET_TAG_BUNDLED); |
| 360 | LOCK_HTC_TX(target); |
| 361 | HTC_PACKET_ENQUEUE(&pEndpoint->TxLookupQueue, pPacketTx); |
tfyu | 052b32a | 2017-09-20 18:48:33 +0800 | [diff] [blame] | 362 | pEndpoint->ul_outstanding_cnt++; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 363 | UNLOCK_HTC_TX(target); |
| 364 | #if DEBUG_BUNDLE |
Aditya Sathish | 648ce11 | 2018-07-02 16:41:39 +0530 | [diff] [blame] | 365 | qdf_print(" Send bundle EP%d buffer size:0x%x, total:0x%x, count:%d.", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 366 | pEndpoint->Id, |
| 367 | pEndpoint->TxCreditSize, |
| 368 | data_len, data_len / pEndpoint->TxCreditSize); |
| 369 | #endif |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 370 | |
| 371 | htc_send_update_tx_bundle_stats(target, data_len, |
| 372 | pEndpoint->TxCreditSize); |
| 373 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 374 | status = hif_send_head(target->hif_dev, |
| 375 | pEndpoint->UL_PipeID, |
Poddar, Siddarth | 416b706 | 2016-04-29 11:02:13 +0530 | [diff] [blame] | 376 | pEndpoint->Id, data_len, |
| 377 | bundleBuf, data_attr); |
Nirav Shah | 03c409d | 2019-06-10 23:23:11 +0530 | [diff] [blame] | 378 | if (qdf_unlikely(QDF_IS_STATUS_ERROR(status))) { |
| 379 | HTC_PACKET_QUEUE requeue; |
| 380 | |
| 381 | qdf_print("hif_send_head failed(len=%zu).", data_len); |
| 382 | INIT_HTC_PACKET_QUEUE(&requeue); |
| 383 | LOCK_HTC_TX(target); |
| 384 | pEndpoint->ul_outstanding_cnt--; |
| 385 | HTC_PACKET_REMOVE(&pEndpoint->TxLookupQueue, pPacketTx); |
| 386 | |
| 387 | if (pPacketTx->PktInfo.AsTx.Tag == HTC_TX_PACKET_TAG_BUNDLED) { |
| 388 | HTC_PACKET *temp_packet; |
| 389 | HTC_PACKET_QUEUE *packet_queue = |
| 390 | (HTC_PACKET_QUEUE *)pPacketTx->pContext; |
| 391 | |
| 392 | HTC_PACKET_QUEUE_ITERATE_ALLOW_REMOVE(packet_queue, |
| 393 | temp_packet) { |
| 394 | HTC_PACKET_ENQUEUE(&requeue, temp_packet); |
| 395 | } HTC_PACKET_QUEUE_ITERATE_END; |
| 396 | |
| 397 | UNLOCK_HTC_TX(target); |
| 398 | free_htc_bundle_packet(target, pPacketTx); |
| 399 | LOCK_HTC_TX(target); |
| 400 | |
| 401 | } else { |
| 402 | HTC_PACKET_ENQUEUE(&requeue, pPacketTx); |
| 403 | } |
| 404 | |
| 405 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD(&pEndpoint->TxQueue, |
| 406 | &requeue); |
| 407 | UNLOCK_HTC_TX(target); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 408 | } |
| 409 | return status; |
| 410 | } |
| 411 | |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 412 | #ifdef QCA_TX_PADDING_CREDIT_SUPPORT |
| 413 | #define SDIO_BLOCK_SIZE 512 |
| 414 | static int htc_tx_pad_credit_avail(HTC_ENDPOINT *ep) |
| 415 | { |
| 416 | int ret = 0; |
| 417 | |
| 418 | if (!ep || !ep->EpCallBacks.pContext || |
| 419 | !ep->EpCallBacks.ep_padding_credit_update) |
| 420 | return 1; |
| 421 | |
| 422 | ret = ep->EpCallBacks.ep_padding_credit_update(ep->EpCallBacks.pContext, |
| 423 | 0); |
| 424 | |
| 425 | if (ret < 2) |
| 426 | AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s ret %d\n", __func__, ret)); |
| 427 | |
| 428 | return ret; |
| 429 | } |
| 430 | |
| 431 | static bool htc_handle_extra_tx_credit(HTC_ENDPOINT *ep, |
| 432 | HTC_PACKET *p_last_htc_pkt, |
| 433 | unsigned char *p_last_pkt_bundle_buffer, |
| 434 | unsigned char **p_bundle_buffer, |
| 435 | int tot_data_len) |
| 436 | { |
| 437 | bool extra_tx_credit = FALSE; |
| 438 | HTC_FRAME_HDR *p_htc_hdr; |
| 439 | int first_buf_bundled_len = 0, last_buf_len = 0; |
| 440 | int sdio_pad = 0, free_space = 0; |
| 441 | int (*update_ep_padding_credit)(void *, int); |
| 442 | |
| 443 | update_ep_padding_credit = ep->EpCallBacks.ep_padding_credit_update; |
| 444 | |
| 445 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 446 | ("%s Tot data_len = %d\n", __func__, tot_data_len)); |
| 447 | |
| 448 | if (!p_last_htc_pkt) |
| 449 | return extra_tx_credit; |
| 450 | |
| 451 | last_buf_len = (p_last_htc_pkt->ActualLength + HTC_HDR_LENGTH); |
| 452 | if (tot_data_len != last_buf_len) { |
| 453 | first_buf_bundled_len = tot_data_len - ep->TxCreditSize; |
| 454 | free_space = tot_data_len - |
| 455 | (first_buf_bundled_len + last_buf_len); |
| 456 | } else { |
| 457 | free_space = ep->TxCreditSize - tot_data_len; |
| 458 | } |
| 459 | |
| 460 | sdio_pad = SDIO_BLOCK_SIZE - ((first_buf_bundled_len + last_buf_len) % |
| 461 | SDIO_BLOCK_SIZE); |
| 462 | |
| 463 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 464 | ("%s first_buf_bundled_len = %d last_buf_len = %d\n", |
| 465 | __func__, first_buf_bundled_len, last_buf_len)); |
| 466 | |
| 467 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 468 | ("%s sdio_pad = %d free_space = %d\n", __func__, |
| 469 | sdio_pad, free_space)); |
| 470 | |
| 471 | if (sdio_pad <= free_space) { |
| 472 | if (p_bundle_buffer && *p_bundle_buffer) { |
| 473 | /* Align Tx bundled buf to avoid a extra Padding buf */ |
| 474 | *p_bundle_buffer -= (free_space - sdio_pad); |
| 475 | } |
| 476 | } else { |
| 477 | /* Extra Padding Buffer needed, consume extra tx credit */ |
| 478 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 479 | ("%s Used a Tx credit for Padding Buffer\n", |
| 480 | __func__)); |
| 481 | p_htc_hdr = (HTC_FRAME_HDR *)(p_last_pkt_bundle_buffer); |
| 482 | p_htc_hdr->Flags |= HTC_FLAGS_PADDING_CHECK; |
| 483 | extra_tx_credit = TRUE; |
| 484 | if (ep->EpCallBacks.ep_padding_credit_update) { |
| 485 | /* Decrement 1 credit at host, |
| 486 | * due to extra tx credit consumed by padding buffer |
| 487 | */ |
| 488 | update_ep_padding_credit(ep->EpCallBacks.pContext, -1); |
| 489 | } |
| 490 | } |
| 491 | return extra_tx_credit; |
| 492 | } |
| 493 | #else |
| 494 | static int htc_tx_pad_credit_avail(HTC_ENDPOINT *ep) |
| 495 | { |
| 496 | return 1; |
| 497 | } |
| 498 | |
| 499 | static bool htc_handle_extra_tx_credit(HTC_ENDPOINT *ep, |
| 500 | HTC_PACKET *p_last_htc_pkt, |
| 501 | unsigned char *p_last_pkt_bundle_buffer, |
| 502 | unsigned char **p_bundle_buffer, |
| 503 | int tot_data_len) |
| 504 | { |
| 505 | return FALSE; |
| 506 | } |
| 507 | #endif |
| 508 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 509 | /** |
| 510 | * htc_issue_packets_bundle() - HTC function to send bundle packets from a queue |
| 511 | * @target: HTC target on which packets need to be sent |
| 512 | * @pEndpoint: logical endpoint on which packets needs to be sent |
| 513 | * @pPktQueue: HTC packet queue containing the list of packets to be sent |
| 514 | * |
| 515 | * Return: void |
| 516 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 517 | static void htc_issue_packets_bundle(HTC_TARGET *target, |
| 518 | HTC_ENDPOINT *pEndpoint, |
| 519 | HTC_PACKET_QUEUE *pPktQueue) |
| 520 | { |
| 521 | int i, frag_count, nbytes; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 522 | qdf_nbuf_t netbuf, bundleBuf; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 523 | unsigned char *pBundleBuffer = NULL; |
| 524 | HTC_PACKET *pPacket = NULL, *pPacketTx = NULL; |
| 525 | HTC_FRAME_HDR *pHtcHdr; |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 526 | int last_credit_pad = 0; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 527 | int creditPad, creditRemainder, transferLength, bundlesSpaceRemaining = |
| 528 | 0; |
| 529 | HTC_PACKET_QUEUE *pQueueSave = NULL; |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 530 | HTC_PACKET *p_last_htc_pkt = NULL; |
| 531 | unsigned char *p_last_pkt_bundle_buffer = NULL; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 532 | |
| 533 | bundlesSpaceRemaining = |
| 534 | target->MaxMsgsPerHTCBundle * pEndpoint->TxCreditSize; |
| 535 | pPacketTx = allocate_htc_bundle_packet(target); |
| 536 | if (!pPacketTx) { |
| 537 | /* good time to panic */ |
| 538 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 539 | ("allocate_htc_bundle_packet failed\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 540 | AR_DEBUG_ASSERT(false); |
| 541 | return; |
| 542 | } |
| 543 | bundleBuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacketTx); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 544 | pBundleBuffer = qdf_nbuf_data(bundleBuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 545 | pQueueSave = (HTC_PACKET_QUEUE *) pPacketTx->pContext; |
| 546 | while (1) { |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 547 | if (pEndpoint->EpCallBacks.ep_padding_credit_update) { |
| 548 | if (htc_tx_pad_credit_avail(pEndpoint) < 1) |
| 549 | break; |
| 550 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 551 | pPacket = htc_packet_dequeue(pPktQueue); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 552 | if (!pPacket) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 553 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 554 | creditPad = 0; |
| 555 | transferLength = pPacket->ActualLength + HTC_HDR_LENGTH; |
| 556 | creditRemainder = transferLength % pEndpoint->TxCreditSize; |
| 557 | if (creditRemainder != 0) { |
| 558 | if (transferLength < pEndpoint->TxCreditSize) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 559 | creditPad = pEndpoint->TxCreditSize - |
| 560 | transferLength; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 561 | } else { |
| 562 | creditPad = creditRemainder; |
| 563 | } |
| 564 | transferLength += creditPad; |
| 565 | } |
| 566 | |
| 567 | if (bundlesSpaceRemaining < transferLength) { |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 568 | htc_handle_extra_tx_credit(pEndpoint, p_last_htc_pkt, |
| 569 | p_last_pkt_bundle_buffer, |
| 570 | &pBundleBuffer, |
| 571 | pBundleBuffer - |
| 572 | qdf_nbuf_data(bundleBuf)); |
| 573 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 574 | /* send out previous buffer */ |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 575 | htc_send_bundled_netbuf(target, pEndpoint, |
| 576 | pBundleBuffer - last_credit_pad, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 577 | pPacketTx); |
tfyu | 60c2c98 | 2017-06-09 15:50:03 +0800 | [diff] [blame] | 578 | /* One packet has been dequeued from sending queue when enter |
| 579 | * this loop, so need to add 1 back for this checking. |
| 580 | */ |
| 581 | if ((HTC_PACKET_QUEUE_DEPTH(pPktQueue) + 1) < |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 582 | HTC_MIN_MSG_PER_BUNDLE) { |
tfyu | 60c2c98 | 2017-06-09 15:50:03 +0800 | [diff] [blame] | 583 | HTC_PACKET_ENQUEUE_TO_HEAD(pPktQueue, pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 584 | return; |
| 585 | } |
| 586 | bundlesSpaceRemaining = |
| 587 | target->MaxMsgsPerHTCBundle * |
| 588 | pEndpoint->TxCreditSize; |
| 589 | pPacketTx = allocate_htc_bundle_packet(target); |
| 590 | if (!pPacketTx) { |
tfyu | 60c2c98 | 2017-06-09 15:50:03 +0800 | [diff] [blame] | 591 | HTC_PACKET_ENQUEUE_TO_HEAD(pPktQueue, pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 592 | /* good time to panic */ |
| 593 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 594 | ("allocate_htc_bundle_packet failed\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 595 | AR_DEBUG_ASSERT(false); |
| 596 | return; |
| 597 | } |
| 598 | bundleBuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacketTx); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 599 | pBundleBuffer = qdf_nbuf_data(bundleBuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 600 | pQueueSave = (HTC_PACKET_QUEUE *) pPacketTx->pContext; |
| 601 | } |
| 602 | |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 603 | p_last_htc_pkt = pPacket; |
| 604 | p_last_pkt_bundle_buffer = pBundleBuffer; |
| 605 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 606 | bundlesSpaceRemaining -= transferLength; |
| 607 | netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 608 | |
| 609 | if (hif_get_bus_type(target->hif_dev) != QDF_BUS_TYPE_USB) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 610 | pHtcHdr = (HTC_FRAME_HDR *)qdf_nbuf_get_frag_vaddr( |
| 611 | netbuf, 0); |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 612 | HTC_WRITE32(pHtcHdr, |
| 613 | SM(pPacket->ActualLength, |
| 614 | HTC_FRAME_HDR_PAYLOADLEN) | |
| 615 | SM(pPacket->PktInfo.AsTx.SendFlags | |
| 616 | HTC_FLAGS_SEND_BUNDLE, |
| 617 | HTC_FRAME_HDR_FLAGS) | |
| 618 | SM(pPacket->Endpoint, |
| 619 | HTC_FRAME_HDR_ENDPOINTID)); |
| 620 | HTC_WRITE32((uint32_t *) pHtcHdr + 1, |
| 621 | SM(pPacket->PktInfo.AsTx.SeqNo, |
| 622 | HTC_FRAME_HDR_CONTROLBYTES1) | SM(creditPad, |
| 623 | HTC_FRAME_HDR_RESERVED)); |
| 624 | pHtcHdr->reserved = creditPad; |
| 625 | } |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 626 | frag_count = qdf_nbuf_get_num_frags(netbuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 627 | nbytes = pPacket->ActualLength + HTC_HDR_LENGTH; |
| 628 | for (i = 0; i < frag_count && nbytes > 0; i++) { |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 629 | int frag_len = qdf_nbuf_get_frag_len(netbuf, i); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 630 | unsigned char *frag_addr = |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 631 | qdf_nbuf_get_frag_vaddr(netbuf, i); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 632 | if (frag_len > nbytes) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 633 | frag_len = nbytes; |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 634 | qdf_mem_copy(pBundleBuffer, frag_addr, frag_len); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 635 | nbytes -= frag_len; |
| 636 | pBundleBuffer += frag_len; |
| 637 | } |
| 638 | HTC_PACKET_ENQUEUE(pQueueSave, pPacket); |
| 639 | pBundleBuffer += creditPad; |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 640 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 641 | /* last one can't be packed. */ |
| 642 | if (hif_get_bus_type(target->hif_dev) == QDF_BUS_TYPE_USB) |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 643 | last_credit_pad = creditPad; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 644 | } |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 645 | /* send out remaining buffer */ |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 646 | if (pBundleBuffer != qdf_nbuf_data(bundleBuf)) { |
| 647 | htc_handle_extra_tx_credit(pEndpoint, p_last_htc_pkt, |
| 648 | p_last_pkt_bundle_buffer, |
| 649 | &pBundleBuffer, |
| 650 | pBundleBuffer - |
| 651 | qdf_nbuf_data(bundleBuf)); |
| 652 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 653 | htc_send_bundled_netbuf(target, pEndpoint, |
| 654 | pBundleBuffer - last_credit_pad, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 655 | pPacketTx); |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 656 | } else { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 657 | free_htc_bundle_packet(target, pPacketTx); |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 658 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 659 | } |
| 660 | #endif /* ENABLE_BUNDLE_TX */ |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 661 | #else |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 662 | static int htc_tx_pad_credit_avail(HTC_ENDPOINT *ep) |
| 663 | { |
| 664 | return 1; |
| 665 | } |
| 666 | |
| 667 | bool htc_handle_extra_tx_credit(HTC_ENDPOINT *ep, |
| 668 | HTC_PACKET *p_last_htc_pkt, |
| 669 | unsigned char *p_last_pkt_bundle_buffer, |
| 670 | unsigned char **p_bundle_buffer, |
| 671 | int tot_data_len); |
| 672 | bool htc_handle_extra_tx_credit(HTC_ENDPOINT *ep, |
| 673 | HTC_PACKET *p_last_htc_pkt, |
| 674 | unsigned char *p_last_pkt_bundle_buffer, |
| 675 | unsigned char **p_bundle_buffer, |
| 676 | int tot_data_len) |
| 677 | { |
| 678 | return FALSE; |
| 679 | } |
| 680 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 681 | static void htc_issue_packets_bundle(HTC_TARGET *target, |
| 682 | HTC_ENDPOINT *pEndpoint, |
| 683 | HTC_PACKET_QUEUE *pPktQueue) |
| 684 | { |
| 685 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 686 | #endif |
| 687 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 688 | /** |
| 689 | * htc_issue_packets() - HTC function to send packets from a queue |
| 690 | * @target: HTC target on which packets need to be sent |
| 691 | * @pEndpoint: logical endpoint on which packets needs to be sent |
| 692 | * @pPktQueue: HTC packet queue containing the list of packets to be sent |
| 693 | * |
| 694 | * Return: QDF_STATUS_SUCCESS on success and error QDF status on failure |
| 695 | */ |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 696 | static QDF_STATUS htc_issue_packets(HTC_TARGET *target, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 697 | HTC_ENDPOINT *pEndpoint, |
| 698 | HTC_PACKET_QUEUE *pPktQueue) |
| 699 | { |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 700 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 701 | qdf_nbuf_t netbuf; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 702 | HTC_PACKET *pPacket = NULL; |
| 703 | uint16_t payloadLen; |
| 704 | HTC_FRAME_HDR *pHtcHdr; |
| 705 | uint32_t data_attr = 0; |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 706 | enum qdf_bus_type bus_type; |
Himanshu Agarwal | fa594d9 | 2017-04-04 12:36:33 +0530 | [diff] [blame] | 707 | QDF_STATUS ret; |
wadesong | 4b3f37d | 2018-01-25 16:08:05 +0800 | [diff] [blame] | 708 | bool rt_put = false; |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 709 | bool used_extra_tx_credit = false; |
| 710 | uint8_t *buf = NULL; |
| 711 | int (*update_ep_padding_credit)(void *, int); |
| 712 | void *ctx = NULL; |
| 713 | |
| 714 | update_ep_padding_credit = |
| 715 | pEndpoint->EpCallBacks.ep_padding_credit_update; |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 716 | |
| 717 | bus_type = hif_get_bus_type(target->hif_dev); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 718 | |
| 719 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 720 | ("+htc_issue_packets: Queue: %pK, Pkts %d\n", pPktQueue, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 721 | HTC_PACKET_QUEUE_DEPTH(pPktQueue))); |
| 722 | while (true) { |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 723 | if (HTC_TX_BUNDLE_ENABLED(target) && |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 724 | HTC_PACKET_QUEUE_DEPTH(pPktQueue) >= |
| 725 | HTC_MIN_MSG_PER_BUNDLE) { |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 726 | switch (bus_type) { |
| 727 | case QDF_BUS_TYPE_SDIO: |
| 728 | if (!IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) |
| 729 | break; |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 730 | if (update_ep_padding_credit) { |
| 731 | if (htc_tx_pad_credit_avail |
| 732 | (pEndpoint) < 1) |
| 733 | break; |
| 734 | } |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 735 | case QDF_BUS_TYPE_USB: |
| 736 | htc_issue_packets_bundle(target, |
| 737 | pEndpoint, |
| 738 | pPktQueue); |
| 739 | break; |
| 740 | default: |
| 741 | break; |
| 742 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 743 | } |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 744 | /* if not bundling or there was a packet that could not be |
| 745 | * placed in a bundle, and send it by normal way |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 746 | */ |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 747 | if (pEndpoint->EpCallBacks.ep_padding_credit_update) { |
| 748 | if (htc_tx_pad_credit_avail(pEndpoint) < 1) { |
| 749 | status = QDF_STATUS_E_FAILURE; |
| 750 | break; |
| 751 | } |
| 752 | } |
| 753 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 754 | pPacket = htc_packet_dequeue(pPktQueue); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 755 | if (!pPacket) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 756 | /* local queue is fully drained */ |
| 757 | break; |
| 758 | } |
| 759 | |
| 760 | netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
| 761 | AR_DEBUG_ASSERT(netbuf); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 762 | /* Non-credit enabled endpoints have been mapped and setup by |
| 763 | * now, so no need to revisit the HTC headers |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 764 | */ |
| 765 | if (IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
| 766 | |
| 767 | payloadLen = pPacket->ActualLength; |
| 768 | /* setup HTC frame header */ |
| 769 | |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 770 | pHtcHdr = (HTC_FRAME_HDR *) |
| 771 | qdf_nbuf_get_frag_vaddr(netbuf, 0); |
jitiphil | 4a8f66f | 2018-05-31 13:15:20 +0530 | [diff] [blame] | 772 | if (qdf_unlikely(!pHtcHdr)) { |
| 773 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 774 | ("%s Invalid pHtcHdr\n", |
| 775 | __func__)); |
| 776 | AR_DEBUG_ASSERT(pHtcHdr); |
| 777 | status = QDF_STATUS_E_FAILURE; |
| 778 | break; |
| 779 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 780 | |
| 781 | HTC_WRITE32(pHtcHdr, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 782 | SM(payloadLen, |
| 783 | HTC_FRAME_HDR_PAYLOADLEN) | |
| 784 | SM(pPacket->PktInfo.AsTx.SendFlags, |
| 785 | HTC_FRAME_HDR_FLAGS) | |
| 786 | SM(pPacket->Endpoint, |
| 787 | HTC_FRAME_HDR_ENDPOINTID)); |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 788 | HTC_WRITE32(((uint32_t *) pHtcHdr) + 1, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 789 | SM(pPacket->PktInfo.AsTx.SeqNo, |
| 790 | HTC_FRAME_HDR_CONTROLBYTES1)); |
| 791 | |
| 792 | /* |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 793 | * Now that the HTC frame header has been added, the |
| 794 | * netbuf can be mapped. This only applies to non-data |
| 795 | * frames, since data frames were already mapped as they |
Dustin Brown | bc9718f | 2017-12-11 12:15:27 -0800 | [diff] [blame] | 796 | * entered into the driver. |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 797 | */ |
Dustin Brown | bc9718f | 2017-12-11 12:15:27 -0800 | [diff] [blame] | 798 | pPacket->PktInfo.AsTx.Flags |= |
| 799 | HTC_TX_PACKET_FLAG_FIXUP_NETBUF; |
| 800 | |
| 801 | ret = qdf_nbuf_map(target->osdev, |
| 802 | GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket), |
| 803 | QDF_DMA_TO_DEVICE); |
| 804 | if (ret != QDF_STATUS_SUCCESS) { |
| 805 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 806 | ("%s nbuf Map Fail Endpnt %pK\n", |
| 807 | __func__, pEndpoint)); |
| 808 | HTC_PACKET_ENQUEUE_TO_HEAD(pPktQueue, pPacket); |
| 809 | status = QDF_STATUS_E_FAILURE; |
| 810 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 811 | } |
| 812 | } |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 813 | |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 814 | if (!pEndpoint->async_update) { |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 815 | LOCK_HTC_TX(target); |
| 816 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 817 | /* store in look up queue to match completions */ |
| 818 | HTC_PACKET_ENQUEUE(&pEndpoint->TxLookupQueue, pPacket); |
| 819 | INC_HTC_EP_STAT(pEndpoint, TxIssued, 1); |
| 820 | pEndpoint->ul_outstanding_cnt++; |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 821 | if (!pEndpoint->async_update) { |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 822 | UNLOCK_HTC_TX(target); |
| 823 | hif_send_complete_check(target->hif_dev, |
| 824 | pEndpoint->UL_PipeID, false); |
| 825 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 826 | |
Himanshu Agarwal | 974d0a5 | 2017-03-08 21:13:51 +0530 | [diff] [blame] | 827 | htc_packet_set_magic_cookie(pPacket, HTC_PACKET_MAGIC_COOKIE); |
wadesong | 4b3f37d | 2018-01-25 16:08:05 +0800 | [diff] [blame] | 828 | /* |
| 829 | * For HTT messages without a response from fw, |
| 830 | * do the runtime put here. |
| 831 | * otherwise runtime put will be done when the fw response comes |
| 832 | */ |
| 833 | if (pPacket->PktInfo.AsTx.Tag == HTC_TX_PACKET_TAG_RUNTIME_PUT) |
| 834 | rt_put = true; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 835 | #if DEBUG_BUNDLE |
Aditya Sathish | 648ce11 | 2018-07-02 16:41:39 +0530 | [diff] [blame] | 836 | qdf_print(" Send single EP%d buffer size:0x%x, total:0x%x.", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 837 | pEndpoint->Id, |
| 838 | pEndpoint->TxCreditSize, |
| 839 | HTC_HDR_LENGTH + pPacket->ActualLength); |
| 840 | #endif |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 841 | buf = (uint8_t *)qdf_nbuf_get_frag_vaddr(netbuf, 0); |
| 842 | used_extra_tx_credit = |
| 843 | htc_handle_extra_tx_credit(pEndpoint, pPacket, buf, |
| 844 | NULL, pPacket->ActualLength + |
| 845 | HTC_HDR_LENGTH); |
| 846 | |
wadesong | 4b3f37d | 2018-01-25 16:08:05 +0800 | [diff] [blame] | 847 | status = hif_send_head(target->hif_dev, |
| 848 | pEndpoint->UL_PipeID, pEndpoint->Id, |
| 849 | HTC_HDR_LENGTH + pPacket->ActualLength, |
| 850 | netbuf, data_attr); |
| 851 | |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 852 | if (status != QDF_STATUS_SUCCESS) { |
| 853 | if (pEndpoint->EpCallBacks.ep_padding_credit_update) { |
| 854 | if (used_extra_tx_credit) { |
| 855 | ctx = pEndpoint->EpCallBacks.pContext; |
| 856 | update_ep_padding_credit(ctx, 1); |
| 857 | } |
| 858 | } |
| 859 | } |
| 860 | |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 861 | htc_issue_tx_bundle_stats_inc(target); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 862 | |
| 863 | target->ce_send_cnt++; |
| 864 | |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 865 | if (qdf_unlikely(QDF_IS_STATUS_ERROR(status))) { |
| 866 | if (status != QDF_STATUS_E_RESOURCES) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 867 | /* TODO : if more than 1 endpoint maps to the |
| 868 | * same PipeID it is possible to run out of |
| 869 | * resources in the HIF layer. Don't emit the |
| 870 | * error |
| 871 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 872 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 873 | ("hif_send Failed status:%d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 874 | status)); |
| 875 | } |
Dustin Brown | 942f939 | 2018-06-25 14:34:45 -0700 | [diff] [blame] | 876 | |
| 877 | /* only unmap if we mapped in this function */ |
Nirav Shah | 0811d82 | 2019-04-13 22:43:29 +0530 | [diff] [blame] | 878 | if (IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
Dustin Brown | 942f939 | 2018-06-25 14:34:45 -0700 | [diff] [blame] | 879 | qdf_nbuf_unmap(target->osdev, |
| 880 | GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket), |
| 881 | QDF_DMA_TO_DEVICE); |
Nirav Shah | 0811d82 | 2019-04-13 22:43:29 +0530 | [diff] [blame] | 882 | pPacket->PktInfo.AsTx.Flags &= |
| 883 | ~HTC_TX_PACKET_FLAG_FIXUP_NETBUF; |
| 884 | } |
Dustin Brown | 942f939 | 2018-06-25 14:34:45 -0700 | [diff] [blame] | 885 | |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 886 | if (!pEndpoint->async_update) { |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 887 | LOCK_HTC_TX(target); |
| 888 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 889 | target->ce_send_cnt--; |
| 890 | pEndpoint->ul_outstanding_cnt--; |
| 891 | HTC_PACKET_REMOVE(&pEndpoint->TxLookupQueue, pPacket); |
Himanshu Agarwal | 974d0a5 | 2017-03-08 21:13:51 +0530 | [diff] [blame] | 892 | htc_packet_set_magic_cookie(pPacket, 0); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 893 | /* put it back into the callers queue */ |
| 894 | HTC_PACKET_ENQUEUE_TO_HEAD(pPktQueue, pPacket); |
Frank Liu | d2cc13e | 2018-12-06 16:03:26 +0800 | [diff] [blame] | 895 | /* reclaim credits */ |
| 896 | HTC_PACKET_QUEUE_ITERATE_ALLOW_REMOVE(pPktQueue, |
| 897 | pPacket) { |
| 898 | pEndpoint->TxCredits += |
| 899 | pPacket->PktInfo.AsTx.CreditsUsed; |
| 900 | } HTC_PACKET_QUEUE_ITERATE_END; |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 901 | if (!pEndpoint->async_update) { |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 902 | UNLOCK_HTC_TX(target); |
| 903 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 904 | break; |
| 905 | } |
wadesong | 4b3f37d | 2018-01-25 16:08:05 +0800 | [diff] [blame] | 906 | if (rt_put) { |
Houston Hoffman | 1dd2276 | 2015-11-10 11:35:49 -0800 | [diff] [blame] | 907 | hif_pm_runtime_put(target->hif_dev); |
wadesong | 4b3f37d | 2018-01-25 16:08:05 +0800 | [diff] [blame] | 908 | rt_put = false; |
| 909 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 910 | } |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 911 | if (qdf_unlikely(QDF_IS_STATUS_ERROR(status))) { |
Manjunathappa Prakash | 3044c6e | 2015-12-04 00:08:58 -0800 | [diff] [blame] | 912 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 913 | ("htc_issue_packets, failed pkt:0x%pK status:%d", |
Manjunathappa Prakash | 3044c6e | 2015-12-04 00:08:58 -0800 | [diff] [blame] | 914 | pPacket, status)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 915 | } |
| 916 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 917 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-htc_issue_packets\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 918 | |
| 919 | return status; |
| 920 | } |
| 921 | |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 922 | #ifdef FEATURE_RUNTIME_PM |
| 923 | /** |
Jeff Johnson | 4b253f0 | 2018-05-12 11:34:43 -0700 | [diff] [blame] | 924 | * extract_htc_pm_packets(): move pm packets from endpoint into queue |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 925 | * @endpoint: which enpoint to extract packets from |
| 926 | * @queue: a queue to store extracted packets in. |
| 927 | * |
| 928 | * remove pm packets from the endpoint's tx queue. |
| 929 | * queue them into a queue |
| 930 | */ |
| 931 | static void extract_htc_pm_packets(HTC_ENDPOINT *endpoint, |
| 932 | HTC_PACKET_QUEUE *queue) |
| 933 | { |
| 934 | HTC_PACKET *packet; |
| 935 | |
| 936 | /* only WMI endpoint has power management packets */ |
| 937 | if (endpoint->service_id != WMI_CONTROL_SVC) |
| 938 | return; |
| 939 | |
| 940 | ITERATE_OVER_LIST_ALLOW_REMOVE(&endpoint->TxQueue.QueueHead, packet, |
| 941 | HTC_PACKET, ListLink) { |
| 942 | if (packet->PktInfo.AsTx.Tag == HTC_TX_PACKET_TAG_AUTO_PM) { |
| 943 | HTC_PACKET_REMOVE(&endpoint->TxQueue, packet); |
| 944 | HTC_PACKET_ENQUEUE(queue, packet); |
| 945 | } |
| 946 | } ITERATE_END |
| 947 | } |
| 948 | |
| 949 | /** |
| 950 | * queue_htc_pm_packets(): queue pm packets with priority |
| 951 | * @endpoint: enpoint to queue packets to |
| 952 | * @queue: queue of pm packets to enque |
| 953 | * |
| 954 | * suspend resume packets get special treatment & priority. |
| 955 | * need to queue them at the front of the queue. |
| 956 | */ |
| 957 | static void queue_htc_pm_packets(HTC_ENDPOINT *endpoint, |
| 958 | HTC_PACKET_QUEUE *queue) |
| 959 | { |
| 960 | if (endpoint->service_id != WMI_CONTROL_SVC) |
| 961 | return; |
| 962 | |
| 963 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD(&endpoint->TxQueue, queue); |
| 964 | } |
| 965 | #else |
| 966 | static void extract_htc_pm_packets(HTC_ENDPOINT *endpoint, |
| 967 | HTC_PACKET_QUEUE *queue) |
| 968 | {} |
| 969 | |
| 970 | static void queue_htc_pm_packets(HTC_ENDPOINT *endpoint, |
| 971 | HTC_PACKET_QUEUE *queue) |
| 972 | {} |
| 973 | #endif |
| 974 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 975 | /** |
| 976 | * get_htc_send_packets_credit_based() - get packets based on available credits |
| 977 | * @target: HTC target on which packets need to be sent |
| 978 | * @pEndpoint: logical endpoint on which packets needs to be sent |
| 979 | * @pQueue: HTC packet queue containing the list of packets to be sent |
| 980 | * |
| 981 | * Get HTC send packets from TX queue on an endpoint based on available credits. |
| 982 | * The function moves the packets from TX queue of the endpoint to pQueue. |
| 983 | * |
| 984 | * Return: None |
| 985 | */ |
Jeff Johnson | c66399a | 2016-10-07 13:01:33 -0700 | [diff] [blame] | 986 | static void get_htc_send_packets_credit_based(HTC_TARGET *target, |
| 987 | HTC_ENDPOINT *pEndpoint, |
| 988 | HTC_PACKET_QUEUE *pQueue) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 989 | { |
| 990 | int creditsRequired; |
| 991 | int remainder; |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 992 | uint8_t sendFlags; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 993 | HTC_PACKET *pPacket; |
| 994 | unsigned int transferLength; |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 995 | HTC_PACKET_QUEUE *tx_queue; |
| 996 | HTC_PACKET_QUEUE pm_queue; |
| 997 | bool do_pm_get = false; |
Yue Ma | 4986b25 | 2019-07-23 15:57:48 -0700 | [diff] [blame] | 998 | int ret; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 999 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1000 | /*** NOTE : the TX lock is held when this function is called ***/ |
| 1001 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 1002 | ("+get_htc_send_packets_credit_based\n")); |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1003 | |
| 1004 | INIT_HTC_PACKET_QUEUE(&pm_queue); |
| 1005 | extract_htc_pm_packets(pEndpoint, &pm_queue); |
| 1006 | if (HTC_QUEUE_EMPTY(&pm_queue)) { |
| 1007 | tx_queue = &pEndpoint->TxQueue; |
| 1008 | do_pm_get = true; |
| 1009 | } else { |
| 1010 | tx_queue = &pm_queue; |
| 1011 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1012 | |
| 1013 | /* loop until we can grab as many packets out of the queue as we can */ |
| 1014 | while (true) { |
Yue Ma | 4986b25 | 2019-07-23 15:57:48 -0700 | [diff] [blame] | 1015 | if (do_pm_get) { |
| 1016 | ret = hif_pm_runtime_get(target->hif_dev); |
| 1017 | if (ret) { |
| 1018 | /* bus suspended, runtime resume issued */ |
| 1019 | QDF_ASSERT(HTC_PACKET_QUEUE_DEPTH(pQueue) == 0); |
| 1020 | if (ret == -EAGAIN) { |
| 1021 | pPacket = htc_get_pkt_at_head(tx_queue); |
| 1022 | if (!pPacket) |
| 1023 | break; |
| 1024 | log_packet_info(target, pPacket); |
| 1025 | } |
| 1026 | break; |
| 1027 | } |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1028 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1029 | |
| 1030 | sendFlags = 0; |
| 1031 | /* get packet at head, but don't remove it */ |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1032 | pPacket = htc_get_pkt_at_head(tx_queue); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 1033 | if (!pPacket) { |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1034 | if (do_pm_get) |
| 1035 | hif_pm_runtime_put(target->hif_dev); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1036 | break; |
| 1037 | } |
| 1038 | |
| 1039 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 1040 | (" Got head packet:%pK , Queue Depth: %d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1041 | pPacket, |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1042 | HTC_PACKET_QUEUE_DEPTH(tx_queue))); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1043 | |
| 1044 | transferLength = pPacket->ActualLength + HTC_HDR_LENGTH; |
| 1045 | |
| 1046 | if (transferLength <= pEndpoint->TxCreditSize) { |
| 1047 | creditsRequired = 1; |
| 1048 | } else { |
| 1049 | /* figure out how many credits this message requires */ |
| 1050 | creditsRequired = |
| 1051 | transferLength / pEndpoint->TxCreditSize; |
| 1052 | remainder = transferLength % pEndpoint->TxCreditSize; |
| 1053 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1054 | if (remainder) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1055 | creditsRequired++; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1056 | } |
| 1057 | |
| 1058 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 1059 | (" Credits Required:%d Got:%d\n", |
| 1060 | creditsRequired, pEndpoint->TxCredits)); |
| 1061 | |
| 1062 | if (pEndpoint->Id == ENDPOINT_0) { |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1063 | /* |
| 1064 | * endpoint 0 is special, it always has a credit and |
| 1065 | * does not require credit based flow control |
| 1066 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1067 | creditsRequired = 0; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1068 | } else { |
| 1069 | |
| 1070 | if (pEndpoint->TxCredits < creditsRequired) { |
| 1071 | #if DEBUG_CREDIT |
| 1072 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1073 | ("EP%d,No Credit now.%d < %d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1074 | pEndpoint->Id, |
| 1075 | pEndpoint->TxCredits, |
| 1076 | creditsRequired)); |
| 1077 | #endif |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1078 | if (do_pm_get) |
| 1079 | hif_pm_runtime_put(target->hif_dev); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1080 | break; |
| 1081 | } |
| 1082 | |
| 1083 | pEndpoint->TxCredits -= creditsRequired; |
| 1084 | INC_HTC_EP_STAT(pEndpoint, TxCreditsConsummed, |
| 1085 | creditsRequired); |
| 1086 | |
| 1087 | /* check if we need credits back from the target */ |
| 1088 | if (pEndpoint->TxCredits <= |
| 1089 | pEndpoint->TxCreditsPerMaxMsg) { |
| 1090 | /* tell the target we need credits ASAP! */ |
| 1091 | sendFlags |= HTC_FLAGS_NEED_CREDIT_UPDATE; |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 1092 | if (pEndpoint->service_id == WMI_CONTROL_SVC) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1093 | htc_credit_record(HTC_REQUEST_CREDIT, |
| 1094 | pEndpoint->TxCredits, |
| 1095 | HTC_PACKET_QUEUE_DEPTH |
Rachit Kankane | 1bc1149 | 2018-01-24 18:48:17 +0530 | [diff] [blame] | 1096 | (tx_queue)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1097 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1098 | INC_HTC_EP_STAT(pEndpoint, |
| 1099 | TxCreditLowIndications, 1); |
| 1100 | #if DEBUG_CREDIT |
| 1101 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 1102 | (" EP%d Needs Credits\n", |
| 1103 | pEndpoint->Id)); |
| 1104 | #endif |
| 1105 | } |
| 1106 | } |
| 1107 | |
| 1108 | /* now we can fully dequeue */ |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1109 | pPacket = htc_packet_dequeue(tx_queue); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1110 | if (pPacket) { |
| 1111 | /* save the number of credits this packet consumed */ |
| 1112 | pPacket->PktInfo.AsTx.CreditsUsed = creditsRequired; |
| 1113 | /* save send flags */ |
| 1114 | pPacket->PktInfo.AsTx.SendFlags = sendFlags; |
| 1115 | |
| 1116 | /* queue this packet into the caller's queue */ |
| 1117 | HTC_PACKET_ENQUEUE(pQueue, pPacket); |
| 1118 | } |
| 1119 | } |
| 1120 | |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1121 | if (!HTC_QUEUE_EMPTY(&pm_queue)) |
| 1122 | queue_htc_pm_packets(pEndpoint, &pm_queue); |
| 1123 | |
| 1124 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 1125 | ("-get_htc_send_packets_credit_based\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1126 | |
| 1127 | } |
| 1128 | |
Jeff Johnson | c66399a | 2016-10-07 13:01:33 -0700 | [diff] [blame] | 1129 | static void get_htc_send_packets(HTC_TARGET *target, |
| 1130 | HTC_ENDPOINT *pEndpoint, |
| 1131 | HTC_PACKET_QUEUE *pQueue, int Resources) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1132 | { |
| 1133 | |
| 1134 | HTC_PACKET *pPacket; |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1135 | HTC_PACKET_QUEUE *tx_queue; |
| 1136 | HTC_PACKET_QUEUE pm_queue; |
Tiger Yu | 054a6a4 | 2018-03-30 14:58:02 +0800 | [diff] [blame] | 1137 | bool do_pm_get = false; |
Yue Ma | 4986b25 | 2019-07-23 15:57:48 -0700 | [diff] [blame] | 1138 | int ret; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1139 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1140 | /*** NOTE : the TX lock is held when this function is called ***/ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1141 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 1142 | ("+get_htc_send_packets %d resources\n", Resources)); |
| 1143 | |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1144 | INIT_HTC_PACKET_QUEUE(&pm_queue); |
| 1145 | extract_htc_pm_packets(pEndpoint, &pm_queue); |
| 1146 | if (HTC_QUEUE_EMPTY(&pm_queue)) { |
| 1147 | tx_queue = &pEndpoint->TxQueue; |
| 1148 | do_pm_get = true; |
| 1149 | } else { |
| 1150 | tx_queue = &pm_queue; |
| 1151 | } |
| 1152 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1153 | /* loop until we can grab as many packets out of the queue as we can */ |
| 1154 | while (Resources > 0) { |
| 1155 | int num_frags; |
| 1156 | |
Yue Ma | 4986b25 | 2019-07-23 15:57:48 -0700 | [diff] [blame] | 1157 | if (do_pm_get) { |
| 1158 | ret = hif_pm_runtime_get(target->hif_dev); |
| 1159 | if (ret) { |
| 1160 | /* bus suspended, runtime resume issued */ |
| 1161 | QDF_ASSERT(HTC_PACKET_QUEUE_DEPTH(pQueue) == 0); |
| 1162 | if (ret == -EAGAIN) { |
| 1163 | pPacket = htc_get_pkt_at_head(tx_queue); |
| 1164 | if (!pPacket) |
| 1165 | break; |
| 1166 | log_packet_info(target, pPacket); |
| 1167 | } |
| 1168 | break; |
| 1169 | } |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1170 | } |
| 1171 | |
| 1172 | pPacket = htc_packet_dequeue(tx_queue); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 1173 | if (!pPacket) { |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1174 | if (do_pm_get) |
| 1175 | hif_pm_runtime_put(target->hif_dev); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1176 | break; |
| 1177 | } |
| 1178 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 1179 | (" Got packet:%pK , New Queue Depth: %d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1180 | pPacket, |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1181 | HTC_PACKET_QUEUE_DEPTH(tx_queue))); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1182 | /* For non-credit path the sequence number is already embedded |
| 1183 | * in the constructed HTC header |
| 1184 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1185 | pPacket->PktInfo.AsTx.SendFlags = 0; |
| 1186 | pPacket->PktInfo.AsTx.CreditsUsed = 0; |
| 1187 | /* queue this packet into the caller's queue */ |
| 1188 | HTC_PACKET_ENQUEUE(pQueue, pPacket); |
| 1189 | |
| 1190 | /* |
| 1191 | * FIX THIS: |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1192 | * For now, avoid calling qdf_nbuf_get_num_frags before calling |
| 1193 | * qdf_nbuf_map, because the MacOS version of qdf_nbuf_t doesn't |
| 1194 | * support qdf_nbuf_get_num_frags until after qdf_nbuf_map has |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1195 | * been done. |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1196 | * Assume that the non-data netbufs, i.e. WMI message netbufs, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1197 | * consist of a single fragment. |
| 1198 | */ |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1199 | /* WMI messages are in a single-fragment network buf */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1200 | num_frags = |
| 1201 | (pPacket->PktInfo.AsTx. |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1202 | Flags & HTC_TX_PACKET_FLAG_FIXUP_NETBUF) ? 1 : |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1203 | qdf_nbuf_get_num_frags(GET_HTC_PACKET_NET_BUF_CONTEXT |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1204 | (pPacket)); |
| 1205 | Resources -= num_frags; |
| 1206 | } |
| 1207 | |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1208 | if (!HTC_QUEUE_EMPTY(&pm_queue)) |
| 1209 | queue_htc_pm_packets(pEndpoint, &pm_queue); |
| 1210 | |
| 1211 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-get_htc_send_packets\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1212 | |
| 1213 | } |
| 1214 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1215 | /** |
| 1216 | * htc_try_send() - Send packets in a queue on an endpoint |
| 1217 | * @target: HTC target on which packets need to be sent |
| 1218 | * @pEndpoint: logical endpoint on which packets needs to be sent |
| 1219 | * @pCallersSendQueue: packet queue containing the list of packets to be sent |
| 1220 | * |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1221 | * Return: enum HTC_SEND_QUEUE_RESULT indicates whether the packet was queued to |
| 1222 | * be sent or the packet should be dropped by the upper layer |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1223 | */ |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1224 | static enum HTC_SEND_QUEUE_RESULT htc_try_send(HTC_TARGET *target, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1225 | HTC_ENDPOINT *pEndpoint, |
| 1226 | HTC_PACKET_QUEUE *pCallersSendQueue) |
| 1227 | { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1228 | /* temp queue to hold packets at various stages */ |
| 1229 | HTC_PACKET_QUEUE sendQueue; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1230 | HTC_PACKET *pPacket; |
| 1231 | int tx_resources; |
| 1232 | int overflow; |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1233 | enum HTC_SEND_QUEUE_RESULT result = HTC_SEND_QUEUE_OK; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1234 | |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 1235 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("+htc_try_send (Queue:%pK Depth:%d)\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1236 | pCallersSendQueue, |
| 1237 | (pCallersSendQueue == |
| 1238 | NULL) ? 0 : |
| 1239 | HTC_PACKET_QUEUE_DEPTH |
| 1240 | (pCallersSendQueue))); |
| 1241 | |
| 1242 | /* init the local send queue */ |
| 1243 | INIT_HTC_PACKET_QUEUE(&sendQueue); |
| 1244 | |
| 1245 | do { |
| 1246 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1247 | /* caller didn't provide a queue, just wants us to check |
| 1248 | * queues and send |
| 1249 | */ |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 1250 | if (!pCallersSendQueue) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1251 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1252 | |
| 1253 | if (HTC_QUEUE_EMPTY(pCallersSendQueue)) { |
| 1254 | /* empty queue */ |
| 1255 | OL_ATH_HTC_PKT_ERROR_COUNT_INCR(target, |
| 1256 | HTC_PKT_Q_EMPTY); |
| 1257 | result = HTC_SEND_QUEUE_DROP; |
| 1258 | break; |
| 1259 | } |
| 1260 | |
| 1261 | if (HTC_PACKET_QUEUE_DEPTH(&pEndpoint->TxQueue) >= |
| 1262 | pEndpoint->MaxTxQueueDepth) { |
| 1263 | /* we've already overflowed */ |
| 1264 | overflow = HTC_PACKET_QUEUE_DEPTH(pCallersSendQueue); |
| 1265 | } else { |
| 1266 | /* figure out how much we will overflow by */ |
| 1267 | overflow = HTC_PACKET_QUEUE_DEPTH(&pEndpoint->TxQueue); |
| 1268 | overflow += HTC_PACKET_QUEUE_DEPTH(pCallersSendQueue); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1269 | /* get how much we will overflow the TX queue by */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1270 | overflow -= pEndpoint->MaxTxQueueDepth; |
| 1271 | } |
| 1272 | |
| 1273 | /* if overflow is negative or zero, we are okay */ |
| 1274 | if (overflow > 0) { |
| 1275 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1276 | ("Endpoint %d, TX queue will overflow :%d , Tx Depth:%d, Max:%d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1277 | pEndpoint->Id, overflow, |
| 1278 | HTC_PACKET_QUEUE_DEPTH(&pEndpoint-> |
| 1279 | TxQueue), |
| 1280 | pEndpoint->MaxTxQueueDepth)); |
| 1281 | } |
| 1282 | if ((overflow <= 0) |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 1283 | || (!pEndpoint->EpCallBacks.EpSendFull)) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1284 | /* all packets will fit or caller did not provide send |
| 1285 | * full indication handler |
| 1286 | * just move all of them to local sendQueue object |
| 1287 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1288 | HTC_PACKET_QUEUE_TRANSFER_TO_TAIL(&sendQueue, |
| 1289 | pCallersSendQueue); |
| 1290 | } else { |
| 1291 | int i; |
| 1292 | int goodPkts = |
| 1293 | HTC_PACKET_QUEUE_DEPTH(pCallersSendQueue) - |
| 1294 | overflow; |
| 1295 | |
| 1296 | A_ASSERT(goodPkts >= 0); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1297 | /* we have overflowed and callback is provided. Dequeue |
| 1298 | * all non-overflow packets into the sendqueue |
| 1299 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1300 | for (i = 0; i < goodPkts; i++) { |
| 1301 | /* pop off caller's queue */ |
| 1302 | pPacket = htc_packet_dequeue(pCallersSendQueue); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 1303 | A_ASSERT(pPacket); |
Alok Kumar | 5d4c6f2 | 2019-06-24 16:31:59 +0530 | [diff] [blame] | 1304 | if (pPacket) |
| 1305 | /* insert into local queue */ |
| 1306 | HTC_PACKET_ENQUEUE(&sendQueue, |
| 1307 | pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1308 | } |
| 1309 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1310 | /* the caller's queue has all the packets that won't fit |
| 1311 | * walk through the caller's queue and indicate each one |
| 1312 | * to the send full handler |
| 1313 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1314 | ITERATE_OVER_LIST_ALLOW_REMOVE(&pCallersSendQueue-> |
| 1315 | QueueHead, pPacket, |
| 1316 | HTC_PACKET, ListLink) { |
| 1317 | |
| 1318 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 1319 | ("Indicating overflowed TX packet: %pK\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1320 | pPacket)); |
| 1321 | /* |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1322 | * Remove headroom reserved for HTC_FRAME_HDR |
| 1323 | * before giving the packet back to the user via |
| 1324 | * the EpSendFull callback. |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1325 | */ |
| 1326 | restore_tx_packet(target, pPacket); |
| 1327 | |
| 1328 | if (pEndpoint->EpCallBacks. |
| 1329 | EpSendFull(pEndpoint->EpCallBacks.pContext, |
| 1330 | pPacket) == HTC_SEND_FULL_DROP) { |
| 1331 | /* callback wants the packet dropped */ |
| 1332 | INC_HTC_EP_STAT(pEndpoint, TxDropped, |
| 1333 | 1); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1334 | /* leave this one in the caller's queue |
| 1335 | * for cleanup |
| 1336 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1337 | } else { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1338 | /* callback wants to keep this packet, |
| 1339 | * remove from caller's queue |
| 1340 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1341 | HTC_PACKET_REMOVE(pCallersSendQueue, |
| 1342 | pPacket); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1343 | /* put it in the send queue |
| 1344 | * add HTC_FRAME_HDR space reservation |
| 1345 | * again |
| 1346 | */ |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1347 | qdf_nbuf_push_head |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1348 | (GET_HTC_PACKET_NET_BUF_CONTEXT |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1349 | (pPacket), |
| 1350 | sizeof(HTC_FRAME_HDR)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1351 | |
| 1352 | HTC_PACKET_ENQUEUE(&sendQueue, pPacket); |
| 1353 | } |
| 1354 | |
| 1355 | } |
| 1356 | ITERATE_END; |
| 1357 | |
| 1358 | if (HTC_QUEUE_EMPTY(&sendQueue)) { |
| 1359 | /* no packets made it in, caller will cleanup */ |
| 1360 | OL_ATH_HTC_PKT_ERROR_COUNT_INCR(target, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1361 | HTC_SEND_Q_EMPTY); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1362 | result = HTC_SEND_QUEUE_DROP; |
| 1363 | break; |
| 1364 | } |
| 1365 | } |
| 1366 | |
| 1367 | } while (false); |
| 1368 | |
| 1369 | if (result != HTC_SEND_QUEUE_OK) { |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1370 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-htc_try_send: %d\n", |
| 1371 | result)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1372 | return result; |
| 1373 | } |
| 1374 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1375 | LOCK_HTC_TX(target); |
| 1376 | |
| 1377 | if (!HTC_QUEUE_EMPTY(&sendQueue)) { |
gbian | b417db2 | 2016-09-30 17:01:07 +0800 | [diff] [blame] | 1378 | if (target->is_nodrop_pkt) { |
| 1379 | /* |
| 1380 | * nodrop pkts have higher priority than normal pkts, |
| 1381 | * insert nodrop pkt to head for proper |
| 1382 | * start/termination of test. |
| 1383 | */ |
| 1384 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD(&pEndpoint->TxQueue, |
| 1385 | &sendQueue); |
| 1386 | target->is_nodrop_pkt = false; |
| 1387 | } else { |
| 1388 | /* transfer packets to tail */ |
| 1389 | HTC_PACKET_QUEUE_TRANSFER_TO_TAIL(&pEndpoint->TxQueue, |
| 1390 | &sendQueue); |
| 1391 | A_ASSERT(HTC_QUEUE_EMPTY(&sendQueue)); |
| 1392 | INIT_HTC_PACKET_QUEUE(&sendQueue); |
| 1393 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1394 | } |
| 1395 | |
| 1396 | /* increment tx processing count on entry */ |
Rajeev Kumar | e37820e | 2016-04-14 17:30:56 -0700 | [diff] [blame] | 1397 | if (qdf_atomic_inc_return(&pEndpoint->TxProcessCount) > 1) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1398 | /* another thread or task is draining the TX queues on this |
| 1399 | * endpoint that thread will reset the tx processing count when |
| 1400 | * the queue is drained |
| 1401 | */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1402 | qdf_atomic_dec(&pEndpoint->TxProcessCount); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1403 | UNLOCK_HTC_TX(target); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1404 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-htc_try_send (busy)\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1405 | return HTC_SEND_QUEUE_OK; |
| 1406 | } |
| 1407 | |
| 1408 | /***** beyond this point only 1 thread may enter ******/ |
| 1409 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1410 | /* now drain the endpoint TX queue for transmission as long as we have |
| 1411 | * enough transmit resources |
| 1412 | */ |
Ajit Pal Singh | 5c3ba89 | 2019-06-04 13:24:57 +0530 | [diff] [blame] | 1413 | if (!IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
| 1414 | tx_resources = |
| 1415 | hif_get_free_queue_number(target->hif_dev, |
| 1416 | pEndpoint->UL_PipeID); |
| 1417 | } else { |
| 1418 | tx_resources = 0; |
| 1419 | } |
| 1420 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1421 | while (true) { |
| 1422 | |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 1423 | if (HTC_PACKET_QUEUE_DEPTH(&pEndpoint->TxQueue) == 0) |
| 1424 | break; |
| 1425 | |
| 1426 | if (pEndpoint->async_update && |
| 1427 | (!IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) && |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1428 | (!tx_resources)) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1429 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1430 | |
| 1431 | if (IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
| 1432 | #if DEBUG_CREDIT |
| 1433 | int cred = pEndpoint->TxCredits; |
| 1434 | #endif |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1435 | /* credit based mechanism provides flow control based on |
| 1436 | * target transmit resource availability, we assume that |
| 1437 | * the HIF layer will always have bus resources greater |
| 1438 | * than target transmit resources |
| 1439 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1440 | get_htc_send_packets_credit_based(target, pEndpoint, |
| 1441 | &sendQueue); |
| 1442 | #if DEBUG_CREDIT |
| 1443 | if (ep_debug_mask & (1 << pEndpoint->Id)) { |
| 1444 | if (cred - pEndpoint->TxCredits > 0) { |
| 1445 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1446 | (" <HTC> Decrease EP%d %d - %d = %d credits.\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1447 | pEndpoint->Id, cred, |
| 1448 | cred - |
| 1449 | pEndpoint->TxCredits, |
| 1450 | pEndpoint->TxCredits)); |
| 1451 | } |
| 1452 | } |
| 1453 | #endif |
| 1454 | } else { |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1455 | |
| 1456 | /* |
| 1457 | * Header and payload belongs to the different fragments and |
| 1458 | * consume 2 resource for one HTC package but USB combine into |
Liangwei Dong | 2c73be8 | 2016-09-29 03:35:59 -0400 | [diff] [blame] | 1459 | * one transfer.And one WMI message only consumes one single |
| 1460 | * resource. |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1461 | */ |
Liangwei Dong | 2c73be8 | 2016-09-29 03:35:59 -0400 | [diff] [blame] | 1462 | if (HTC_TX_BUNDLE_ENABLED(target) && tx_resources && |
| 1463 | hif_get_bus_type(target->hif_dev) == |
| 1464 | QDF_BUS_TYPE_USB) { |
| 1465 | if (pEndpoint->service_id == |
| 1466 | WMI_CONTROL_SVC) |
| 1467 | tx_resources = |
| 1468 | HTC_MAX_MSG_PER_BUNDLE_TX; |
| 1469 | else |
| 1470 | tx_resources = |
| 1471 | (HTC_MAX_MSG_PER_BUNDLE_TX * 2); |
| 1472 | } |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1473 | /* get all the packets for this endpoint that we can for |
| 1474 | * this pass |
| 1475 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1476 | get_htc_send_packets(target, pEndpoint, &sendQueue, |
| 1477 | tx_resources); |
| 1478 | } |
| 1479 | |
| 1480 | if (HTC_PACKET_QUEUE_DEPTH(&sendQueue) == 0) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1481 | /* didn't get any packets due to a lack of resources or |
| 1482 | * TX queue was drained |
| 1483 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1484 | break; |
| 1485 | } |
| 1486 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1487 | if (!pEndpoint->async_update) |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 1488 | UNLOCK_HTC_TX(target); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1489 | |
| 1490 | /* send what we can */ |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1491 | if (htc_issue_packets(target, pEndpoint, &sendQueue)) { |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1492 | int i; |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1493 | |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1494 | result = HTC_SEND_QUEUE_DROP; |
Manjunathappa Prakash | 3044c6e | 2015-12-04 00:08:58 -0800 | [diff] [blame] | 1495 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 1496 | ("htc_issue_packets, failed status:%d put it back to head of callersSendQueue", |
| 1497 | result)); |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1498 | |
| 1499 | for (i = HTC_PACKET_QUEUE_DEPTH(&sendQueue); i > 0; i--) |
| 1500 | hif_pm_runtime_put(target->hif_dev); |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 1501 | if (!pEndpoint->async_update) { |
Venkateswara Swamy Bandaru | b3c810b | 2016-11-02 17:12:34 +0530 | [diff] [blame] | 1502 | LOCK_HTC_TX(target); |
| 1503 | } |
Liangwei Dong | 6c5e332 | 2016-11-07 00:27:50 -0500 | [diff] [blame] | 1504 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD(&pEndpoint->TxQueue, |
| 1505 | &sendQueue); |
Manjunathappa Prakash | 3044c6e | 2015-12-04 00:08:58 -0800 | [diff] [blame] | 1506 | break; |
| 1507 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1508 | |
| 1509 | if (!IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
| 1510 | tx_resources = |
| 1511 | hif_get_free_queue_number(target->hif_dev, |
| 1512 | pEndpoint->UL_PipeID); |
| 1513 | } |
| 1514 | |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 1515 | if (!pEndpoint->async_update) { |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 1516 | LOCK_HTC_TX(target); |
| 1517 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1518 | |
| 1519 | } |
| 1520 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1521 | /* done with this endpoint, we can clear the count */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1522 | qdf_atomic_init(&pEndpoint->TxProcessCount); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1523 | |
Rajeev Kumar | e37820e | 2016-04-14 17:30:56 -0700 | [diff] [blame] | 1524 | UNLOCK_HTC_TX(target); |
| 1525 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1526 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-htc_try_send:\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1527 | |
| 1528 | return HTC_SEND_QUEUE_OK; |
| 1529 | } |
| 1530 | |
| 1531 | #ifdef USB_HIF_SINGLE_PIPE_DATA_SCHED |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1532 | static uint16_t htc_send_pkts_sched_check(HTC_HANDLE HTCHandle, |
| 1533 | HTC_ENDPOINT_ID id) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1534 | { |
| 1535 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 1536 | HTC_ENDPOINT *pEndpoint; |
| 1537 | HTC_ENDPOINT_ID eid; |
| 1538 | HTC_PACKET_QUEUE *pTxQueue; |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 1539 | uint16_t resources; |
| 1540 | uint16_t acQueueStatus[DATA_EP_SIZE] = { 0, 0, 0, 0 }; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1541 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1542 | if (id < ENDPOINT_2 || id > ENDPOINT_5) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1543 | return 1; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1544 | |
| 1545 | for (eid = ENDPOINT_2; eid <= ENDPOINT_5; eid++) { |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 1546 | pEndpoint = &target->endpoint[eid]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1547 | pTxQueue = &pEndpoint->TxQueue; |
| 1548 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1549 | if (HTC_QUEUE_EMPTY(pTxQueue)) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1550 | acQueueStatus[eid - 2] = 1; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1551 | } |
| 1552 | |
| 1553 | switch (id) { |
| 1554 | case ENDPOINT_2: /* BE */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1555 | return acQueueStatus[0] && acQueueStatus[2] |
| 1556 | && acQueueStatus[3]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1557 | case ENDPOINT_3: /* BK */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1558 | return acQueueStatus[0] && acQueueStatus[1] && acQueueStatus[2] |
| 1559 | && acQueueStatus[3]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1560 | case ENDPOINT_4: /* VI */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1561 | return acQueueStatus[2] && acQueueStatus[3]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1562 | case ENDPOINT_5: /* VO */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1563 | return acQueueStatus[3]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1564 | default: |
| 1565 | return 0; |
| 1566 | } |
| 1567 | |
| 1568 | } |
| 1569 | |
| 1570 | static A_STATUS htc_send_pkts_sched_queue(HTC_TARGET *target, |
| 1571 | HTC_PACKET_QUEUE *pPktQueue, |
| 1572 | HTC_ENDPOINT_ID eid) |
| 1573 | { |
| 1574 | HTC_ENDPOINT *pEndpoint; |
| 1575 | HTC_PACKET_QUEUE *pTxQueue; |
| 1576 | HTC_PACKET *pPacket; |
| 1577 | int goodPkts; |
| 1578 | |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 1579 | pEndpoint = &target->endpoint[eid]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1580 | pTxQueue = &pEndpoint->TxQueue; |
| 1581 | |
| 1582 | LOCK_HTC_TX(target); |
| 1583 | |
| 1584 | goodPkts = |
| 1585 | pEndpoint->MaxTxQueueDepth - |
| 1586 | HTC_PACKET_QUEUE_DEPTH(&pEndpoint->TxQueue); |
| 1587 | |
| 1588 | if (goodPkts > 0) { |
| 1589 | while (!HTC_QUEUE_EMPTY(pPktQueue)) { |
| 1590 | pPacket = htc_packet_dequeue(pPktQueue); |
| 1591 | HTC_PACKET_ENQUEUE(pTxQueue, pPacket); |
| 1592 | goodPkts--; |
| 1593 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1594 | if (goodPkts <= 0) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1595 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1596 | } |
| 1597 | } |
| 1598 | |
| 1599 | if (HTC_PACKET_QUEUE_DEPTH(pPktQueue)) { |
| 1600 | ITERATE_OVER_LIST_ALLOW_REMOVE(&pPktQueue->QueueHead, pPacket, |
| 1601 | HTC_PACKET, ListLink) { |
| 1602 | |
| 1603 | if (pEndpoint->EpCallBacks. |
| 1604 | EpSendFull(pEndpoint->EpCallBacks.pContext, |
| 1605 | pPacket) == HTC_SEND_FULL_DROP) { |
| 1606 | INC_HTC_EP_STAT(pEndpoint, TxDropped, 1); |
| 1607 | } else { |
| 1608 | HTC_PACKET_REMOVE(pPktQueue, pPacket); |
| 1609 | HTC_PACKET_ENQUEUE(pTxQueue, pPacket); |
| 1610 | } |
| 1611 | } |
| 1612 | ITERATE_END; |
| 1613 | } |
| 1614 | |
| 1615 | UNLOCK_HTC_TX(target); |
| 1616 | |
| 1617 | return A_OK; |
| 1618 | } |
| 1619 | |
| 1620 | #endif |
| 1621 | |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1622 | static inline QDF_STATUS __htc_send_pkt(HTC_HANDLE HTCHandle, |
| 1623 | HTC_PACKET *pPacket) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1624 | { |
| 1625 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 1626 | HTC_ENDPOINT *pEndpoint; |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1627 | HTC_PACKET_QUEUE pPktQueue; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1628 | qdf_nbuf_t netbuf; |
Yun Park | c353d6b | 2018-06-05 11:58:30 -0700 | [diff] [blame] | 1629 | HTC_FRAME_HDR *htc_hdr; |
Himanshu Agarwal | fa594d9 | 2017-04-04 12:36:33 +0530 | [diff] [blame] | 1630 | QDF_STATUS status; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1631 | |
| 1632 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1633 | ("+__htc_send_pkt\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1634 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1635 | /* get packet at head to figure out which endpoint these packets will |
| 1636 | * go into |
| 1637 | */ |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 1638 | if (!pPacket) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1639 | OL_ATH_HTC_PKT_ERROR_COUNT_INCR(target, GET_HTC_PKT_Q_FAIL); |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1640 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-__htc_send_pkt\n")); |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1641 | return QDF_STATUS_E_INVAL; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1642 | } |
| 1643 | |
Jiachao Wu | 15a9474 | 2017-11-10 10:13:38 +0800 | [diff] [blame] | 1644 | if ((pPacket->Endpoint >= ENDPOINT_MAX) || |
| 1645 | (pPacket->Endpoint <= ENDPOINT_UNUSED)) { |
| 1646 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 1647 | ("%s endpoint is invalid\n", __func__)); |
| 1648 | AR_DEBUG_ASSERT(0); |
| 1649 | return QDF_STATUS_E_INVAL; |
| 1650 | } |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 1651 | pEndpoint = &target->endpoint[pPacket->Endpoint]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1652 | |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 1653 | if (!pEndpoint->service_id) { |
| 1654 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("%s service_id is invalid\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1655 | __func__)); |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1656 | return QDF_STATUS_E_INVAL; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1657 | } |
| 1658 | |
| 1659 | #ifdef HTC_EP_STAT_PROFILING |
| 1660 | LOCK_HTC_TX(target); |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1661 | INC_HTC_EP_STAT(pEndpoint, TxPosted, 1); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1662 | UNLOCK_HTC_TX(target); |
| 1663 | #endif |
| 1664 | |
| 1665 | /* provide room in each packet's netbuf for the HTC frame header */ |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1666 | netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
| 1667 | AR_DEBUG_ASSERT(netbuf); |
Yun Park | c353d6b | 2018-06-05 11:58:30 -0700 | [diff] [blame] | 1668 | if (!netbuf) |
| 1669 | return QDF_STATUS_E_INVAL; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1670 | |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1671 | qdf_nbuf_push_head(netbuf, sizeof(HTC_FRAME_HDR)); |
Nirav Shah | 31435bb | 2019-08-05 17:51:19 +0530 | [diff] [blame] | 1672 | pPacket->PktInfo.AsTx.Flags |= |
| 1673 | HTC_TX_PACKET_FLAG_HTC_HEADER_IN_NETBUF_DATA; |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1674 | /* setup HTC frame header */ |
Yun Park | c353d6b | 2018-06-05 11:58:30 -0700 | [diff] [blame] | 1675 | htc_hdr = (HTC_FRAME_HDR *)qdf_nbuf_get_frag_vaddr(netbuf, 0); |
| 1676 | AR_DEBUG_ASSERT(htc_hdr); |
| 1677 | if (!htc_hdr) |
| 1678 | return QDF_STATUS_E_INVAL; |
| 1679 | |
| 1680 | HTC_WRITE32(htc_hdr, |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1681 | SM(pPacket->ActualLength, |
| 1682 | HTC_FRAME_HDR_PAYLOADLEN) | |
| 1683 | SM(pPacket->Endpoint, |
| 1684 | HTC_FRAME_HDR_ENDPOINTID)); |
| 1685 | LOCK_HTC_TX(target); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1686 | |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1687 | pPacket->PktInfo.AsTx.SeqNo = pEndpoint->SeqNo; |
| 1688 | pEndpoint->SeqNo++; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1689 | |
Yun Park | c353d6b | 2018-06-05 11:58:30 -0700 | [diff] [blame] | 1690 | HTC_WRITE32(((uint32_t *)htc_hdr) + 1, |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1691 | SM(pPacket->PktInfo.AsTx.SeqNo, |
| 1692 | HTC_FRAME_HDR_CONTROLBYTES1)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1693 | |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1694 | UNLOCK_HTC_TX(target); |
Dustin Brown | bc9718f | 2017-12-11 12:15:27 -0800 | [diff] [blame] | 1695 | |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1696 | /* |
Dustin Brown | 8969ad7 | 2017-12-02 22:43:26 -0800 | [diff] [blame] | 1697 | * For flow control enabled endpoints mapping is done in |
| 1698 | * htc_issue_packets and for non flow control enabled endpoints |
| 1699 | * its done here. |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1700 | */ |
Dustin Brown | 8969ad7 | 2017-12-02 22:43:26 -0800 | [diff] [blame] | 1701 | if (!IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
Dustin Brown | bc9718f | 2017-12-11 12:15:27 -0800 | [diff] [blame] | 1702 | pPacket->PktInfo.AsTx.Flags |= HTC_TX_PACKET_FLAG_FIXUP_NETBUF; |
Dustin Brown | 8969ad7 | 2017-12-02 22:43:26 -0800 | [diff] [blame] | 1703 | status = qdf_nbuf_map(target->osdev, |
| 1704 | GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket), |
| 1705 | QDF_DMA_TO_DEVICE); |
| 1706 | if (status != QDF_STATUS_SUCCESS) { |
| 1707 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 1708 | ("%s: nbuf map failed, endpoint %pK, seq_no. %d\n", |
| 1709 | __func__, pEndpoint, pEndpoint->SeqNo)); |
| 1710 | return status; |
| 1711 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1712 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1713 | |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1714 | INIT_HTC_PACKET_QUEUE_AND_ADD(&pPktQueue, pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1715 | #ifdef USB_HIF_SINGLE_PIPE_DATA_SCHED |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1716 | if (!htc_send_pkts_sched_check(HTCHandle, pEndpoint->Id)) |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1717 | htc_send_pkts_sched_queue(HTCHandle, &pPktQueue, pEndpoint->Id); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1718 | else |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1719 | htc_try_send(target, pEndpoint, &pPktQueue); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1720 | #else |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1721 | htc_try_send(target, pEndpoint, &pPktQueue); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1722 | #endif |
| 1723 | |
| 1724 | /* do completion on any packets that couldn't get in */ |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1725 | while (!HTC_QUEUE_EMPTY(&pPktQueue)) { |
| 1726 | pPacket = htc_packet_dequeue(&pPktQueue); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1727 | |
Yun Park | 88e0b95 | 2017-10-11 23:08:34 -0700 | [diff] [blame] | 1728 | if (HTC_STOPPING(target)) |
| 1729 | pPacket->Status = QDF_STATUS_E_CANCELED; |
| 1730 | else |
| 1731 | pPacket->Status = QDF_STATUS_E_RESOURCES; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1732 | |
Yun Park | 88e0b95 | 2017-10-11 23:08:34 -0700 | [diff] [blame] | 1733 | send_packet_completion(target, pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1734 | } |
| 1735 | |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1736 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-__htc_send_pkt\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1737 | |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1738 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1739 | } |
| 1740 | |
| 1741 | /* HTC API - htc_send_pkt */ |
Kabilan Kannan | 2c0da26 | 2018-02-21 13:41:00 -0800 | [diff] [blame] | 1742 | QDF_STATUS htc_send_pkt(HTC_HANDLE htc_handle, HTC_PACKET *htc_packet) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1743 | { |
Kabilan Kannan | 2c0da26 | 2018-02-21 13:41:00 -0800 | [diff] [blame] | 1744 | if (!htc_handle) { |
| 1745 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 1746 | ("%s: HTCHandle is NULL \n", __func__)); |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1747 | return QDF_STATUS_E_FAILURE; |
Kabilan Kannan | 2c0da26 | 2018-02-21 13:41:00 -0800 | [diff] [blame] | 1748 | } |
| 1749 | |
| 1750 | if (!htc_packet) { |
| 1751 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 1752 | ("%s: pPacket is NULL \n", __func__)); |
| 1753 | return QDF_STATUS_E_FAILURE; |
| 1754 | } |
Karthick S | dc40a35 | 2015-10-14 18:14:15 +0530 | [diff] [blame] | 1755 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1756 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 1757 | ("+-htc_send_pkt: Enter endPointId: %d, buffer: %pK, length: %d\n", |
Kabilan Kannan | 2c0da26 | 2018-02-21 13:41:00 -0800 | [diff] [blame] | 1758 | htc_packet->Endpoint, htc_packet->pBuffer, |
| 1759 | htc_packet->ActualLength)); |
| 1760 | return __htc_send_pkt(htc_handle, htc_packet); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1761 | } |
Pratik Gandhi | dc82a77 | 2018-01-30 18:57:05 +0530 | [diff] [blame] | 1762 | qdf_export_symbol(htc_send_pkt); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1763 | |
| 1764 | #ifdef ATH_11AC_TXCOMPACT |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1765 | /** |
| 1766 | * htc_send_data_pkt() - send single data packet on an endpoint |
| 1767 | * @HTCHandle: pointer to HTC handle |
| 1768 | * @netbuf: network buffer containing the data to be sent |
| 1769 | * @ActualLength: length of data that needs to be transmitted |
| 1770 | * |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1771 | * Return: QDF_STATUS_SUCCESS for success or an appropriate QDF_STATUS error |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1772 | */ |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1773 | QDF_STATUS htc_send_data_pkt(HTC_HANDLE htc_hdl, qdf_nbuf_t netbuf, int ep_id, |
| 1774 | int actual_length) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1775 | { |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1776 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_hdl); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1777 | HTC_ENDPOINT *pEndpoint; |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1778 | HTC_FRAME_HDR *p_htc_hdr; |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1779 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1780 | int tx_resources; |
| 1781 | uint32_t data_attr = 0; |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1782 | int htc_payload_len = actual_length; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1783 | |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1784 | pEndpoint = &target->endpoint[ep_id]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1785 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1786 | tx_resources = hif_get_free_queue_number(target->hif_dev, |
| 1787 | pEndpoint->UL_PipeID); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1788 | |
| 1789 | if (tx_resources < HTC_DATA_RESOURCE_THRS) { |
| 1790 | if (pEndpoint->ul_is_polled) { |
| 1791 | hif_send_complete_check(pEndpoint->target->hif_dev, |
| 1792 | pEndpoint->UL_PipeID, 1); |
| 1793 | tx_resources = |
| 1794 | hif_get_free_queue_number(target->hif_dev, |
| 1795 | pEndpoint->UL_PipeID); |
| 1796 | } |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1797 | if (tx_resources < HTC_DATA_MINDESC_PERPACKET) |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1798 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1799 | } |
| 1800 | |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1801 | if (hif_pm_runtime_get(target->hif_dev)) |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1802 | return QDF_STATUS_E_FAILURE; |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1803 | |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1804 | p_htc_hdr = (HTC_FRAME_HDR *)qdf_nbuf_get_frag_vaddr(netbuf, 0); |
| 1805 | AR_DEBUG_ASSERT(p_htc_hdr); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1806 | |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1807 | data_attr = qdf_nbuf_data_attr_get(netbuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1808 | |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1809 | if (target->htc_hdr_length_check) |
| 1810 | htc_payload_len = actual_length - HTC_HEADER_LEN; |
| 1811 | |
| 1812 | HTC_WRITE32(p_htc_hdr, SM(htc_payload_len, HTC_FRAME_HDR_PAYLOADLEN) |
| 1813 | | SM(ep_id, HTC_FRAME_HDR_ENDPOINTID)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1814 | /* |
| 1815 | * If the HIF pipe for the data endpoint is polled rather than |
| 1816 | * interrupt-driven, this is a good point to check whether any |
| 1817 | * data previously sent through the HIF pipe have finished being |
| 1818 | * sent. |
| 1819 | * Since this may result in callbacks to htc_tx_completion_handler, |
| 1820 | * which can take the HTC tx lock, make the hif_send_complete_check |
| 1821 | * call before acquiring the HTC tx lock. |
| 1822 | * Call hif_send_complete_check directly, rather than calling |
| 1823 | * htc_send_complete_check, and call the PollTimerStart separately |
| 1824 | * after calling hif_send_head, so the timer will be started to |
| 1825 | * check for completion of the new outstanding download (in the |
| 1826 | * unexpected event that other polling calls don't catch it). |
| 1827 | */ |
| 1828 | |
| 1829 | LOCK_HTC_TX(target); |
| 1830 | |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1831 | HTC_WRITE32(((uint32_t *)p_htc_hdr) + 1, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1832 | SM(pEndpoint->SeqNo, HTC_FRAME_HDR_CONTROLBYTES1)); |
| 1833 | |
| 1834 | pEndpoint->SeqNo++; |
| 1835 | |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1836 | QDF_NBUF_UPDATE_TX_PKT_COUNT(netbuf, QDF_NBUF_TX_PKT_HTC); |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1837 | DPTRACE(qdf_dp_trace(netbuf, QDF_DP_TRACE_HTC_PACKET_PTR_RECORD, |
Nandha Kishore Easwaran | e43583f | 2017-05-15 21:01:13 +0530 | [diff] [blame] | 1838 | QDF_TRACE_DEFAULT_PDEV_ID, qdf_nbuf_data_addr(netbuf), |
| 1839 | sizeof(qdf_nbuf_data(netbuf)), QDF_TX)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1840 | status = hif_send_head(target->hif_dev, |
| 1841 | pEndpoint->UL_PipeID, |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1842 | pEndpoint->Id, actual_length, netbuf, data_attr); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1843 | |
| 1844 | UNLOCK_HTC_TX(target); |
| 1845 | return status; |
| 1846 | } |
| 1847 | #else /*ATH_11AC_TXCOMPACT */ |
| 1848 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1849 | /** |
| 1850 | * htc_send_data_pkt() - htc_send_data_pkt |
| 1851 | * @HTCHandle: pointer to HTC handle |
| 1852 | * @pPacket: pointer to HTC_PACKET |
| 1853 | * @more_data: indicates whether more data is to follow |
| 1854 | * |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1855 | * Return: QDF_STATUS_SUCCESS for success or an appropriate QDF_STATUS error |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1856 | */ |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1857 | QDF_STATUS htc_send_data_pkt(HTC_HANDLE HTCHandle, HTC_PACKET *pPacket, |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 1858 | uint8_t more_data) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1859 | { |
| 1860 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 1861 | HTC_ENDPOINT *pEndpoint; |
| 1862 | HTC_FRAME_HDR *pHtcHdr; |
| 1863 | HTC_PACKET_QUEUE sendQueue; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1864 | qdf_nbuf_t netbuf = NULL; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1865 | int tx_resources; |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1866 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1867 | uint32_t data_attr = 0; |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 1868 | bool used_extra_tx_credit = false; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1869 | |
| 1870 | if (pPacket) { |
Jiachao Wu | 15a9474 | 2017-11-10 10:13:38 +0800 | [diff] [blame] | 1871 | if ((pPacket->Endpoint >= ENDPOINT_MAX) || |
| 1872 | (pPacket->Endpoint <= ENDPOINT_UNUSED)) { |
| 1873 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 1874 | ("%s endpoint is invalid\n", __func__)); |
| 1875 | AR_DEBUG_ASSERT(0); |
| 1876 | return QDF_STATUS_E_INVAL; |
| 1877 | } |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 1878 | pEndpoint = &target->endpoint[pPacket->Endpoint]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1879 | |
| 1880 | /* add HTC_FRAME_HDR in the initial fragment */ |
| 1881 | netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1882 | pHtcHdr = (HTC_FRAME_HDR *) qdf_nbuf_get_frag_vaddr(netbuf, 0); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1883 | AR_DEBUG_ASSERT(pHtcHdr); |
| 1884 | |
| 1885 | HTC_WRITE32(pHtcHdr, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1886 | SM(pPacket->ActualLength, |
| 1887 | HTC_FRAME_HDR_PAYLOADLEN) | |
| 1888 | SM(pPacket->PktInfo.AsTx.SendFlags, |
| 1889 | HTC_FRAME_HDR_FLAGS) | |
| 1890 | SM(pPacket->Endpoint, |
| 1891 | HTC_FRAME_HDR_ENDPOINTID)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1892 | /* |
| 1893 | * If the HIF pipe for the data endpoint is polled rather than |
| 1894 | * interrupt-driven, this is a good point to check whether any |
| 1895 | * data previously sent through the HIF pipe have finished being |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1896 | * sent. Since this may result in callbacks to |
| 1897 | * htc_tx_completion_handler, which can take the HTC tx lock, |
| 1898 | * make the hif_send_complete_check call before acquiring the |
| 1899 | * HTC tx lock. |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1900 | * Call hif_send_complete_check directly, rather than calling |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1901 | * htc_send_complete_check, and call the PollTimerStart |
| 1902 | * separately after calling hif_send_head, so the timer will be |
| 1903 | * started to check for completion of the new outstanding |
| 1904 | * download (in the unexpected event that other polling calls |
| 1905 | * don't catch it). |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1906 | */ |
| 1907 | if (pEndpoint->ul_is_polled) { |
| 1908 | htc_send_complete_poll_timer_stop(pEndpoint); |
| 1909 | hif_send_complete_check(pEndpoint->target->hif_dev, |
| 1910 | pEndpoint->UL_PipeID, 0); |
| 1911 | } |
| 1912 | |
| 1913 | LOCK_HTC_TX(target); |
| 1914 | |
| 1915 | pPacket->PktInfo.AsTx.SeqNo = pEndpoint->SeqNo; |
| 1916 | pEndpoint->SeqNo++; |
| 1917 | |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 1918 | HTC_WRITE32(((uint32_t *) pHtcHdr) + 1, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1919 | SM(pPacket->PktInfo.AsTx.SeqNo, |
| 1920 | HTC_FRAME_HDR_CONTROLBYTES1)); |
| 1921 | |
| 1922 | /* append new packet to pEndpoint->TxQueue */ |
| 1923 | HTC_PACKET_ENQUEUE(&pEndpoint->TxQueue, pPacket); |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1924 | if (HTC_TX_BUNDLE_ENABLED(target) && (more_data)) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1925 | UNLOCK_HTC_TX(target); |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1926 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1927 | } |
wadesong | 31d77bc | 2017-05-28 14:45:21 +0800 | [diff] [blame] | 1928 | |
| 1929 | QDF_NBUF_UPDATE_TX_PKT_COUNT(netbuf, QDF_NBUF_TX_PKT_HTC); |
| 1930 | DPTRACE(qdf_dp_trace(netbuf, QDF_DP_TRACE_HTC_PACKET_PTR_RECORD, |
Nirav Shah | d9dce6e | 2018-02-26 14:50:25 +0530 | [diff] [blame] | 1931 | QDF_TRACE_DEFAULT_PDEV_ID, qdf_nbuf_data_addr(netbuf), |
wadesong | 31d77bc | 2017-05-28 14:45:21 +0800 | [diff] [blame] | 1932 | sizeof(qdf_nbuf_data(netbuf)), QDF_TX)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1933 | } else { |
| 1934 | LOCK_HTC_TX(target); |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 1935 | pEndpoint = &target->endpoint[1]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1936 | } |
| 1937 | |
| 1938 | /* increment tx processing count on entry */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1939 | qdf_atomic_inc(&pEndpoint->TxProcessCount); |
| 1940 | if (qdf_atomic_read(&pEndpoint->TxProcessCount) > 1) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1941 | /* |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1942 | * Another thread or task is draining the TX queues on this |
| 1943 | * endpoint. That thread will reset the tx processing count when |
| 1944 | * the queue is drained. |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1945 | */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1946 | qdf_atomic_dec(&pEndpoint->TxProcessCount); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1947 | UNLOCK_HTC_TX(target); |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1948 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1949 | } |
| 1950 | |
| 1951 | /***** beyond this point only 1 thread may enter ******/ |
| 1952 | |
| 1953 | INIT_HTC_PACKET_QUEUE(&sendQueue); |
| 1954 | if (IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
| 1955 | #if DEBUG_CREDIT |
| 1956 | int cred = pEndpoint->TxCredits; |
| 1957 | #endif |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1958 | get_htc_send_packets_credit_based(target, pEndpoint, |
| 1959 | &sendQueue); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1960 | #if DEBUG_CREDIT |
| 1961 | if (ep_debug_mask & (1 << pEndpoint->Id)) { |
| 1962 | if (cred - pEndpoint->TxCredits > 0) { |
| 1963 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 1964 | (" <HTC> Decrease EP%d %d - %d = %d credits.\n", |
| 1965 | pEndpoint->Id, cred, |
| 1966 | cred - pEndpoint->TxCredits, |
| 1967 | pEndpoint->TxCredits)); |
| 1968 | } |
| 1969 | } |
| 1970 | #endif |
| 1971 | UNLOCK_HTC_TX(target); |
| 1972 | } |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1973 | |
| 1974 | else if (HTC_TX_BUNDLE_ENABLED(target)) { |
Ajit Pal Singh | 3fcc082 | 2019-03-21 17:35:22 +0530 | [diff] [blame] | 1975 | if (hif_get_bus_type(target->hif_dev) == QDF_BUS_TYPE_USB) { |
| 1976 | if (hif_get_free_queue_number(target->hif_dev, |
| 1977 | pEndpoint->UL_PipeID)) |
| 1978 | /* |
| 1979 | * Header and payload belongs to the different |
| 1980 | * fragments and consume 2 resource for one HTC |
| 1981 | * package but USB combine into one transfer. |
| 1982 | */ |
| 1983 | get_htc_send_packets(target, pEndpoint, |
| 1984 | &sendQueue, |
| 1985 | HTC_MAX_MSG_PER_BUNDLE_TX |
| 1986 | * 2); |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1987 | } else { |
Ajit Pal Singh | 3fcc082 | 2019-03-21 17:35:22 +0530 | [diff] [blame] | 1988 | /* Dequeue max packets from endpoint tx queue */ |
| 1989 | get_htc_send_packets(target, pEndpoint, &sendQueue, |
| 1990 | HTC_MAX_TX_BUNDLE_SEND_LIMIT); |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1991 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1992 | UNLOCK_HTC_TX(target); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1993 | } else { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1994 | /* |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1995 | * Now drain the endpoint TX queue for transmission as long as |
| 1996 | * we have enough transmit resources |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1997 | */ |
| 1998 | tx_resources = |
| 1999 | hif_get_free_queue_number(target->hif_dev, |
| 2000 | pEndpoint->UL_PipeID); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2001 | get_htc_send_packets(target, pEndpoint, &sendQueue, |
| 2002 | tx_resources); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2003 | UNLOCK_HTC_TX(target); |
| 2004 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2005 | |
| 2006 | /* send what we can */ |
| 2007 | while (true) { |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 2008 | if (HTC_TX_BUNDLE_ENABLED(target) && |
| 2009 | (HTC_PACKET_QUEUE_DEPTH(&sendQueue) >= |
| 2010 | HTC_MIN_MSG_PER_BUNDLE) && |
| 2011 | (hif_get_bus_type(target->hif_dev) == QDF_BUS_TYPE_SDIO || |
| 2012 | hif_get_bus_type(target->hif_dev) == QDF_BUS_TYPE_USB)) { |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 2013 | if (pEndpoint->EpCallBacks.ep_padding_credit_update) { |
| 2014 | if (htc_tx_pad_credit_avail(pEndpoint) < 1) { |
| 2015 | status = QDF_STATUS_E_RESOURCES; |
| 2016 | /* put the sendQueue back at the front |
| 2017 | * of pEndpoint->TxQueue |
| 2018 | */ |
| 2019 | LOCK_HTC_TX(target); |
| 2020 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD( |
| 2021 | &pEndpoint->TxQueue, |
| 2022 | &sendQueue); |
| 2023 | UNLOCK_HTC_TX(target); |
| 2024 | break; |
| 2025 | } |
| 2026 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2027 | htc_issue_packets_bundle(target, pEndpoint, &sendQueue); |
| 2028 | } |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 2029 | if (pEndpoint->EpCallBacks.ep_padding_credit_update) { |
| 2030 | if (htc_tx_pad_credit_avail(pEndpoint) < 1) { |
| 2031 | status = QDF_STATUS_E_RESOURCES; |
| 2032 | /* put the sendQueue back at the front |
| 2033 | * of pEndpoint->TxQueue |
| 2034 | */ |
| 2035 | LOCK_HTC_TX(target); |
| 2036 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD( |
| 2037 | &pEndpoint->TxQueue, |
| 2038 | &sendQueue); |
| 2039 | UNLOCK_HTC_TX(target); |
| 2040 | break; |
| 2041 | } |
| 2042 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2043 | pPacket = htc_packet_dequeue(&sendQueue); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 2044 | if (!pPacket) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2045 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2046 | netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 2047 | pHtcHdr = (HTC_FRAME_HDR *)qdf_nbuf_get_frag_vaddr(netbuf, 0); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2048 | |
| 2049 | LOCK_HTC_TX(target); |
| 2050 | /* store in look up queue to match completions */ |
| 2051 | HTC_PACKET_ENQUEUE(&pEndpoint->TxLookupQueue, pPacket); |
| 2052 | INC_HTC_EP_STAT(pEndpoint, TxIssued, 1); |
| 2053 | pEndpoint->ul_outstanding_cnt++; |
| 2054 | UNLOCK_HTC_TX(target); |
| 2055 | |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 2056 | used_extra_tx_credit = |
| 2057 | htc_handle_extra_tx_credit(pEndpoint, pPacket, |
| 2058 | (uint8_t *)pHtcHdr, |
| 2059 | NULL, |
| 2060 | pPacket->ActualLength |
| 2061 | + HTC_HDR_LENGTH); |
| 2062 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2063 | status = hif_send_head(target->hif_dev, |
| 2064 | pEndpoint->UL_PipeID, |
| 2065 | pEndpoint->Id, |
| 2066 | HTC_HDR_LENGTH + pPacket->ActualLength, |
| 2067 | netbuf, data_attr); |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 2068 | if (status != QDF_STATUS_SUCCESS) { |
| 2069 | if (pEndpoint->EpCallBacks.ep_padding_credit_update) { |
| 2070 | if (used_extra_tx_credit) { |
| 2071 | pEndpoint->EpCallBacks. |
| 2072 | ep_padding_credit_update |
| 2073 | (pEndpoint->EpCallBacks.pContext, 1); |
| 2074 | } |
| 2075 | } |
| 2076 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2077 | #if DEBUG_BUNDLE |
Aditya Sathish | 648ce11 | 2018-07-02 16:41:39 +0530 | [diff] [blame] | 2078 | qdf_print(" Send single EP%d buffer size:0x%x, total:0x%x.", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2079 | pEndpoint->Id, |
| 2080 | pEndpoint->TxCreditSize, |
| 2081 | HTC_HDR_LENGTH + pPacket->ActualLength); |
| 2082 | #endif |
| 2083 | |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 2084 | htc_issue_tx_bundle_stats_inc(target); |
| 2085 | |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 2086 | if (qdf_unlikely(QDF_IS_STATUS_ERROR(status))) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2087 | LOCK_HTC_TX(target); |
| 2088 | pEndpoint->ul_outstanding_cnt--; |
| 2089 | /* remove this packet from the tx completion queue */ |
| 2090 | HTC_PACKET_REMOVE(&pEndpoint->TxLookupQueue, pPacket); |
| 2091 | |
| 2092 | /* |
| 2093 | * Don't bother reclaiming credits - HTC flow control |
| 2094 | * is not applicable to tx data. |
| 2095 | * In LL systems, there is no download flow control, |
| 2096 | * since there's virtually no download delay. |
| 2097 | * In HL systems, the txrx SW explicitly performs the |
| 2098 | * tx flow control. |
| 2099 | */ |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2100 | /* pEndpoint->TxCredits += |
| 2101 | * pPacket->PktInfo.AsTx.CreditsUsed; |
| 2102 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2103 | |
| 2104 | /* put this frame back at the front of the sendQueue */ |
| 2105 | HTC_PACKET_ENQUEUE_TO_HEAD(&sendQueue, pPacket); |
| 2106 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2107 | /* put the sendQueue back at the front of |
| 2108 | * pEndpoint->TxQueue |
| 2109 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2110 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD(&pEndpoint->TxQueue, |
| 2111 | &sendQueue); |
| 2112 | UNLOCK_HTC_TX(target); |
| 2113 | break; /* still need to reset TxProcessCount */ |
| 2114 | } |
| 2115 | } |
| 2116 | /* done with this endpoint, we can clear the count */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2117 | qdf_atomic_init(&pEndpoint->TxProcessCount); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2118 | |
| 2119 | if (pEndpoint->ul_is_polled) { |
| 2120 | /* |
| 2121 | * Start a cleanup timer to poll for download completion. |
| 2122 | * The download completion should be noticed promptly from |
| 2123 | * other polling calls, but the timer provides a safety net |
| 2124 | * in case other polling calls don't occur as expected. |
| 2125 | */ |
| 2126 | htc_send_complete_poll_timer_start(pEndpoint); |
| 2127 | } |
| 2128 | |
| 2129 | return status; |
| 2130 | } |
| 2131 | #endif /*ATH_11AC_TXCOMPACT */ |
Pratik Gandhi | dc82a77 | 2018-01-30 18:57:05 +0530 | [diff] [blame] | 2132 | qdf_export_symbol(htc_send_data_pkt); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2133 | |
| 2134 | /* |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 2135 | * In the adapted HIF layer, qdf_nbuf_t are passed between HIF and HTC, |
| 2136 | * since upper layers expects HTC_PACKET containers we use the completed netbuf |
| 2137 | * and lookup its corresponding HTC packet buffer from a lookup list. |
| 2138 | * This is extra overhead that can be fixed by re-aligning HIF interfaces |
| 2139 | * with HTC. |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2140 | * |
| 2141 | */ |
| 2142 | static HTC_PACKET *htc_lookup_tx_packet(HTC_TARGET *target, |
| 2143 | HTC_ENDPOINT *pEndpoint, |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 2144 | qdf_nbuf_t netbuf) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2145 | { |
| 2146 | HTC_PACKET *pPacket = NULL; |
| 2147 | HTC_PACKET *pFoundPacket = NULL; |
| 2148 | HTC_PACKET_QUEUE lookupQueue; |
| 2149 | |
| 2150 | INIT_HTC_PACKET_QUEUE(&lookupQueue); |
Govind Singh | c505cdc | 2017-05-16 12:15:51 +0530 | [diff] [blame] | 2151 | LOCK_HTC_EP_TX_LOOKUP(pEndpoint); |
| 2152 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2153 | LOCK_HTC_TX(target); |
| 2154 | |
| 2155 | /* mark that HIF has indicated the send complete for another packet */ |
| 2156 | pEndpoint->ul_outstanding_cnt--; |
| 2157 | |
| 2158 | /* Dequeue first packet directly because of in-order completion */ |
| 2159 | pPacket = htc_packet_dequeue(&pEndpoint->TxLookupQueue); |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2160 | if (qdf_unlikely(!pPacket)) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2161 | UNLOCK_HTC_TX(target); |
Govind Singh | c505cdc | 2017-05-16 12:15:51 +0530 | [diff] [blame] | 2162 | UNLOCK_HTC_EP_TX_LOOKUP(pEndpoint); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2163 | return NULL; |
| 2164 | } |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 2165 | if (netbuf == (qdf_nbuf_t) GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket)) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2166 | UNLOCK_HTC_TX(target); |
Govind Singh | c505cdc | 2017-05-16 12:15:51 +0530 | [diff] [blame] | 2167 | UNLOCK_HTC_EP_TX_LOOKUP(pEndpoint); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2168 | return pPacket; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2169 | } |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2170 | HTC_PACKET_ENQUEUE(&lookupQueue, pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2171 | |
| 2172 | /* |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2173 | * Move TX lookup queue to temp queue because most of packets that are |
| 2174 | * not index 0 are not top 10 packets. |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2175 | */ |
| 2176 | HTC_PACKET_QUEUE_TRANSFER_TO_TAIL(&lookupQueue, |
| 2177 | &pEndpoint->TxLookupQueue); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2178 | |
| 2179 | ITERATE_OVER_LIST_ALLOW_REMOVE(&lookupQueue.QueueHead, pPacket, |
| 2180 | HTC_PACKET, ListLink) { |
| 2181 | |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 2182 | if (!pPacket) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2183 | pFoundPacket = pPacket; |
| 2184 | break; |
| 2185 | } |
| 2186 | /* check for removal */ |
| 2187 | if (netbuf == |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 2188 | (qdf_nbuf_t) GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket)) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2189 | /* found it */ |
| 2190 | HTC_PACKET_REMOVE(&lookupQueue, pPacket); |
| 2191 | pFoundPacket = pPacket; |
| 2192 | break; |
| 2193 | } |
| 2194 | |
| 2195 | } |
| 2196 | ITERATE_END; |
| 2197 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2198 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD(&pEndpoint->TxLookupQueue, |
| 2199 | &lookupQueue); |
| 2200 | UNLOCK_HTC_TX(target); |
Govind Singh | c505cdc | 2017-05-16 12:15:51 +0530 | [diff] [blame] | 2201 | UNLOCK_HTC_EP_TX_LOOKUP(pEndpoint); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2202 | |
| 2203 | return pFoundPacket; |
| 2204 | } |
| 2205 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 2206 | /** |
| 2207 | * htc_tx_completion_handler() - htc tx completion handler |
| 2208 | * @Context: pointer to HTC_TARGET structure |
| 2209 | * @netbuf: pointer to netbuf for which completion handler is being called |
| 2210 | * @EpID: end point Id on which the packet was sent |
| 2211 | * @toeplitz_hash_result: toeplitz hash result |
| 2212 | * |
| 2213 | * Return: QDF_STATUS_SUCCESS for success or an appropriate QDF_STATUS error |
| 2214 | */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2215 | QDF_STATUS htc_tx_completion_handler(void *Context, |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 2216 | qdf_nbuf_t netbuf, unsigned int EpID, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2217 | uint32_t toeplitz_hash_result) |
| 2218 | { |
| 2219 | HTC_TARGET *target = (HTC_TARGET *) Context; |
| 2220 | HTC_ENDPOINT *pEndpoint; |
| 2221 | HTC_PACKET *pPacket; |
| 2222 | #ifdef USB_HIF_SINGLE_PIPE_DATA_SCHED |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2223 | HTC_ENDPOINT_ID eid[DATA_EP_SIZE] = { ENDPOINT_5, ENDPOINT_4, |
| 2224 | ENDPOINT_2, ENDPOINT_3 }; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2225 | int epidIdx; |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 2226 | uint16_t resourcesThresh[DATA_EP_SIZE]; /* urb resources */ |
| 2227 | uint16_t resources; |
| 2228 | uint16_t resourcesMax; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2229 | #endif |
| 2230 | |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 2231 | pEndpoint = &target->endpoint[EpID]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2232 | target->TX_comp_cnt++; |
| 2233 | |
| 2234 | do { |
| 2235 | pPacket = htc_lookup_tx_packet(target, pEndpoint, netbuf); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 2236 | if (!pPacket) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2237 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 2238 | ("HTC TX lookup failed!\n")); |
| 2239 | /* may have already been flushed and freed */ |
| 2240 | netbuf = NULL; |
| 2241 | break; |
| 2242 | } |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 2243 | if (pPacket->PktInfo.AsTx.Tag != HTC_TX_PACKET_TAG_AUTO_PM) |
| 2244 | hif_pm_runtime_put(target->hif_dev); |
| 2245 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2246 | if (pPacket->PktInfo.AsTx.Tag == HTC_TX_PACKET_TAG_BUNDLED) { |
| 2247 | HTC_PACKET *pPacketTemp; |
| 2248 | HTC_PACKET_QUEUE *pQueueSave = |
| 2249 | (HTC_PACKET_QUEUE *) pPacket->pContext; |
| 2250 | HTC_PACKET_QUEUE_ITERATE_ALLOW_REMOVE(pQueueSave, |
| 2251 | pPacketTemp) { |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 2252 | pPacket->Status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2253 | send_packet_completion(target, pPacketTemp); |
| 2254 | } |
| 2255 | HTC_PACKET_QUEUE_ITERATE_END; |
| 2256 | free_htc_bundle_packet(target, pPacket); |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 2257 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2258 | if (hif_get_bus_type(target->hif_dev) == |
| 2259 | QDF_BUS_TYPE_USB) { |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 2260 | if (!IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) |
| 2261 | htc_try_send(target, pEndpoint, NULL); |
| 2262 | } |
| 2263 | |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2264 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2265 | } |
| 2266 | /* will be giving this buffer back to upper layers */ |
| 2267 | netbuf = NULL; |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2268 | pPacket->Status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2269 | send_packet_completion(target, pPacket); |
| 2270 | |
| 2271 | } while (false); |
| 2272 | |
| 2273 | if (!IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2274 | /* note: when using TX credit flow, the re-checking of queues |
| 2275 | * happens when credits flow back from the target. In the non-TX |
| 2276 | * credit case, we recheck after the packet completes |
| 2277 | */ |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 2278 | if ((qdf_atomic_read(&pEndpoint->TxProcessCount) == 0) || |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 2279 | (!pEndpoint->async_update)) { |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 2280 | htc_try_send(target, pEndpoint, NULL); |
| 2281 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2282 | } |
| 2283 | |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2284 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2285 | } |
| 2286 | |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 2287 | #ifdef WLAN_FEATURE_FASTPATH |
Houston Hoffman | 9348186 | 2016-05-05 18:49:59 -0700 | [diff] [blame] | 2288 | /** |
| 2289 | * htc_ctrl_msg_cmpl(): checks for tx completion for the endpoint specified |
| 2290 | * @HTC_HANDLE : pointer to the htc target context |
| 2291 | * @htc_ep_id : end point id |
| 2292 | * |
| 2293 | * checks HTC tx completion |
| 2294 | * |
| 2295 | * Return: none |
| 2296 | */ |
| 2297 | void htc_ctrl_msg_cmpl(HTC_HANDLE htc_pdev, HTC_ENDPOINT_ID htc_ep_id) |
| 2298 | { |
| 2299 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_pdev); |
| 2300 | HTC_ENDPOINT *pendpoint = &target->endpoint[htc_ep_id]; |
| 2301 | |
| 2302 | htc_send_complete_check(pendpoint, 1); |
| 2303 | } |
Pratik Gandhi | dc82a77 | 2018-01-30 18:57:05 +0530 | [diff] [blame] | 2304 | qdf_export_symbol(htc_ctrl_msg_cmpl); |
Houston Hoffman | 9348186 | 2016-05-05 18:49:59 -0700 | [diff] [blame] | 2305 | #endif |
| 2306 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2307 | /* callback when TX resources become available */ |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 2308 | void htc_tx_resource_avail_handler(void *context, uint8_t pipeID) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2309 | { |
| 2310 | int i; |
| 2311 | HTC_TARGET *target = (HTC_TARGET *) context; |
| 2312 | HTC_ENDPOINT *pEndpoint = NULL; |
| 2313 | |
| 2314 | for (i = 0; i < ENDPOINT_MAX; i++) { |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 2315 | pEndpoint = &target->endpoint[i]; |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 2316 | if (pEndpoint->service_id != 0) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2317 | if (pEndpoint->UL_PipeID == pipeID) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2318 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2319 | } |
| 2320 | } |
| 2321 | |
| 2322 | if (i >= ENDPOINT_MAX) { |
| 2323 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 2324 | ("Invalid pipe indicated for TX resource avail : %d!\n", |
| 2325 | pipeID)); |
| 2326 | return; |
| 2327 | } |
| 2328 | |
| 2329 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2330 | ("HIF indicated more resources for pipe:%d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2331 | pipeID)); |
| 2332 | |
| 2333 | htc_try_send(target, pEndpoint, NULL); |
| 2334 | } |
| 2335 | |
Yue Ma | ec9e71c | 2016-02-26 18:52:20 -0800 | [diff] [blame] | 2336 | #ifdef FEATURE_RUNTIME_PM |
Houston Hoffman | 47e387b | 2015-10-20 17:04:42 -0700 | [diff] [blame] | 2337 | /** |
| 2338 | * htc_kick_queues(): resumes tx transactions of suspended endpoints |
| 2339 | * @context: pointer to the htc target context |
| 2340 | * |
Jeff Johnson | 4b253f0 | 2018-05-12 11:34:43 -0700 | [diff] [blame] | 2341 | * Iterates through the enpoints and provides a context to empty queues |
Houston Hoffman | 47e387b | 2015-10-20 17:04:42 -0700 | [diff] [blame] | 2342 | * int the hif layer when they are stalled due to runtime suspend. |
| 2343 | * |
| 2344 | * Return: none |
| 2345 | */ |
| 2346 | void htc_kick_queues(void *context) |
| 2347 | { |
| 2348 | int i; |
| 2349 | HTC_TARGET *target = (HTC_TARGET *)context; |
| 2350 | HTC_ENDPOINT *endpoint = NULL; |
| 2351 | |
| 2352 | for (i = 0; i < ENDPOINT_MAX; i++) { |
| 2353 | endpoint = &target->endpoint[i]; |
| 2354 | |
| 2355 | if (endpoint->service_id == 0) |
| 2356 | continue; |
| 2357 | |
| 2358 | if (endpoint->EpCallBacks.ep_resume_tx_queue) |
| 2359 | endpoint->EpCallBacks.ep_resume_tx_queue( |
| 2360 | endpoint->EpCallBacks.pContext); |
| 2361 | |
| 2362 | htc_try_send(target, endpoint, NULL); |
| 2363 | } |
Yue Ma | 9c6f84d | 2017-02-17 10:45:55 -0800 | [diff] [blame] | 2364 | |
| 2365 | hif_fastpath_resume(target->hif_dev); |
Houston Hoffman | 47e387b | 2015-10-20 17:04:42 -0700 | [diff] [blame] | 2366 | } |
Yue Ma | ec9e71c | 2016-02-26 18:52:20 -0800 | [diff] [blame] | 2367 | #endif |
Houston Hoffman | 47e387b | 2015-10-20 17:04:42 -0700 | [diff] [blame] | 2368 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2369 | /* flush endpoint TX queue */ |
| 2370 | void htc_flush_endpoint_tx(HTC_TARGET *target, HTC_ENDPOINT *pEndpoint, |
| 2371 | HTC_TX_TAG Tag) |
| 2372 | { |
| 2373 | HTC_PACKET *pPacket; |
| 2374 | |
| 2375 | LOCK_HTC_TX(target); |
| 2376 | while (HTC_PACKET_QUEUE_DEPTH(&pEndpoint->TxQueue)) { |
| 2377 | pPacket = htc_packet_dequeue(&pEndpoint->TxQueue); |
| 2378 | |
| 2379 | if (pPacket) { |
| 2380 | /* let the sender know the packet was not delivered */ |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 2381 | pPacket->Status = QDF_STATUS_E_CANCELED; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2382 | send_packet_completion(target, pPacket); |
| 2383 | } |
| 2384 | } |
| 2385 | UNLOCK_HTC_TX(target); |
| 2386 | } |
| 2387 | |
Alok Kumar | 9bd8152 | 2018-05-30 13:07:13 +0530 | [diff] [blame] | 2388 | /* flush pending entries in endpoint TX Lookup queue */ |
| 2389 | void htc_flush_endpoint_txlookupQ(HTC_TARGET *target, |
Zhang Qian | edaa387 | 2018-07-04 20:02:53 +0800 | [diff] [blame] | 2390 | HTC_ENDPOINT_ID endpoint_id, |
| 2391 | bool call_ep_callback) |
Alok Kumar | 9bd8152 | 2018-05-30 13:07:13 +0530 | [diff] [blame] | 2392 | { |
| 2393 | HTC_PACKET *packet; |
| 2394 | HTC_ENDPOINT *endpoint; |
| 2395 | |
| 2396 | endpoint = &target->endpoint[endpoint_id]; |
| 2397 | |
| 2398 | if (!endpoint && endpoint->service_id == 0) |
| 2399 | return; |
| 2400 | |
Debasis Das | 5e2539c | 2018-11-16 14:43:26 +0530 | [diff] [blame] | 2401 | LOCK_HTC_TX(target); |
Alok Kumar | 9bd8152 | 2018-05-30 13:07:13 +0530 | [diff] [blame] | 2402 | while (HTC_PACKET_QUEUE_DEPTH(&endpoint->TxLookupQueue)) { |
| 2403 | packet = htc_packet_dequeue(&endpoint->TxLookupQueue); |
| 2404 | |
| 2405 | if (packet) { |
Zhang Qian | edaa387 | 2018-07-04 20:02:53 +0800 | [diff] [blame] | 2406 | if (call_ep_callback == true) { |
| 2407 | packet->Status = QDF_STATUS_E_CANCELED; |
| 2408 | send_packet_completion(target, packet); |
| 2409 | } else { |
| 2410 | qdf_mem_free(packet); |
| 2411 | } |
Alok Kumar | 9bd8152 | 2018-05-30 13:07:13 +0530 | [diff] [blame] | 2412 | } |
| 2413 | } |
Debasis Das | 5e2539c | 2018-11-16 14:43:26 +0530 | [diff] [blame] | 2414 | UNLOCK_HTC_TX(target); |
Alok Kumar | 9bd8152 | 2018-05-30 13:07:13 +0530 | [diff] [blame] | 2415 | } |
| 2416 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2417 | /* HTC API to flush an endpoint's TX queue*/ |
| 2418 | void htc_flush_endpoint(HTC_HANDLE HTCHandle, HTC_ENDPOINT_ID Endpoint, |
| 2419 | HTC_TX_TAG Tag) |
| 2420 | { |
| 2421 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 2422 | HTC_ENDPOINT *pEndpoint = &target->endpoint[Endpoint]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2423 | |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 2424 | if (pEndpoint->service_id == 0) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2425 | AR_DEBUG_ASSERT(false); |
| 2426 | /* not in use.. */ |
| 2427 | return; |
| 2428 | } |
| 2429 | |
| 2430 | htc_flush_endpoint_tx(target, pEndpoint, Tag); |
| 2431 | } |
| 2432 | |
| 2433 | /* HTC API to indicate activity to the credit distribution function */ |
| 2434 | void htc_indicate_activity_change(HTC_HANDLE HTCHandle, |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 2435 | HTC_ENDPOINT_ID Endpoint, bool Active) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2436 | { |
| 2437 | /* TODO */ |
| 2438 | } |
| 2439 | |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 2440 | bool htc_is_endpoint_active(HTC_HANDLE HTCHandle, HTC_ENDPOINT_ID Endpoint) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2441 | { |
| 2442 | return true; |
| 2443 | } |
| 2444 | |
gbian | b417db2 | 2016-09-30 17:01:07 +0800 | [diff] [blame] | 2445 | void htc_set_nodrop_pkt(HTC_HANDLE HTCHandle, A_BOOL isNodropPkt) |
| 2446 | { |
| 2447 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2448 | |
gbian | b417db2 | 2016-09-30 17:01:07 +0800 | [diff] [blame] | 2449 | target->is_nodrop_pkt = isNodropPkt; |
| 2450 | } |
| 2451 | |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 2452 | void htc_enable_hdr_length_check(HTC_HANDLE htc_hdl, bool htc_hdr_length_check) |
| 2453 | { |
| 2454 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_hdl); |
| 2455 | |
| 2456 | target->htc_hdr_length_check = htc_hdr_length_check; |
| 2457 | } |
| 2458 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 2459 | /** |
| 2460 | * htc_process_credit_rpt() - process credit report, call distribution function |
| 2461 | * @target: pointer to HTC_TARGET |
| 2462 | * @pRpt: pointer to HTC_CREDIT_REPORT |
| 2463 | * @NumEntries: number of entries in credit report |
| 2464 | * @FromEndpoint: endpoint for which credit report is received |
| 2465 | * |
| 2466 | * Return: A_OK for success or an appropriate A_STATUS error |
| 2467 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2468 | void htc_process_credit_rpt(HTC_TARGET *target, HTC_CREDIT_REPORT *pRpt, |
| 2469 | int NumEntries, HTC_ENDPOINT_ID FromEndpoint) |
| 2470 | { |
| 2471 | int i; |
| 2472 | HTC_ENDPOINT *pEndpoint; |
| 2473 | int totalCredits = 0; |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 2474 | uint8_t rpt_credits, rpt_ep_id; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2475 | |
| 2476 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2477 | ("+htc_process_credit_rpt, Credit Report Entries:%d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2478 | NumEntries)); |
| 2479 | |
| 2480 | /* lock out TX while we update credits */ |
| 2481 | LOCK_HTC_TX(target); |
| 2482 | |
| 2483 | for (i = 0; i < NumEntries; i++, pRpt++) { |
| 2484 | |
| 2485 | rpt_ep_id = HTC_GET_FIELD(pRpt, HTC_CREDIT_REPORT, ENDPOINTID); |
| 2486 | |
| 2487 | if (rpt_ep_id >= ENDPOINT_MAX) { |
| 2488 | AR_DEBUG_ASSERT(false); |
| 2489 | break; |
| 2490 | } |
| 2491 | |
| 2492 | rpt_credits = HTC_GET_FIELD(pRpt, HTC_CREDIT_REPORT, CREDITS); |
| 2493 | |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 2494 | pEndpoint = &target->endpoint[rpt_ep_id]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2495 | #if DEBUG_CREDIT |
| 2496 | if (ep_debug_mask & (1 << pEndpoint->Id)) { |
| 2497 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 2498 | (" <HTC> Increase EP%d %d + %d = %d credits\n", |
| 2499 | rpt_ep_id, pEndpoint->TxCredits, |
| 2500 | rpt_credits, |
| 2501 | pEndpoint->TxCredits + rpt_credits)); |
| 2502 | } |
| 2503 | #endif |
| 2504 | |
| 2505 | #ifdef HTC_EP_STAT_PROFILING |
| 2506 | |
| 2507 | INC_HTC_EP_STAT(pEndpoint, TxCreditRpts, 1); |
| 2508 | INC_HTC_EP_STAT(pEndpoint, TxCreditsReturned, rpt_credits); |
| 2509 | |
| 2510 | if (FromEndpoint == rpt_ep_id) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2511 | /* this credit report arrived on the same endpoint |
| 2512 | * indicating it arrived in an RX packet |
| 2513 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2514 | INC_HTC_EP_STAT(pEndpoint, TxCreditsFromRx, |
| 2515 | rpt_credits); |
| 2516 | INC_HTC_EP_STAT(pEndpoint, TxCreditRptsFromRx, 1); |
| 2517 | } else if (FromEndpoint == ENDPOINT_0) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2518 | /* this credit arrived on endpoint 0 as a NULL msg */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2519 | INC_HTC_EP_STAT(pEndpoint, TxCreditsFromEp0, |
| 2520 | rpt_credits); |
| 2521 | INC_HTC_EP_STAT(pEndpoint, TxCreditRptsFromEp0, 1); |
| 2522 | } else { |
| 2523 | /* arrived on another endpoint */ |
| 2524 | INC_HTC_EP_STAT(pEndpoint, TxCreditsFromOther, |
| 2525 | rpt_credits); |
| 2526 | INC_HTC_EP_STAT(pEndpoint, TxCreditRptsFromOther, 1); |
| 2527 | } |
| 2528 | |
| 2529 | #endif |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2530 | |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 2531 | if (pEndpoint->service_id == WMI_CONTROL_SVC) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2532 | htc_credit_record(HTC_PROCESS_CREDIT_REPORT, |
Dustin Brown | f74576c | 2018-03-12 14:22:51 -0700 | [diff] [blame] | 2533 | pEndpoint->TxCredits + rpt_credits, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2534 | HTC_PACKET_QUEUE_DEPTH(&pEndpoint-> |
Rachit Kankane | 1bc1149 | 2018-01-24 18:48:17 +0530 | [diff] [blame] | 2535 | TxQueue)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2536 | } |
Dustin Brown | f74576c | 2018-03-12 14:22:51 -0700 | [diff] [blame] | 2537 | |
| 2538 | pEndpoint->TxCredits += rpt_credits; |
| 2539 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2540 | if (pEndpoint->TxCredits |
| 2541 | && HTC_PACKET_QUEUE_DEPTH(&pEndpoint->TxQueue)) { |
| 2542 | UNLOCK_HTC_TX(target); |
| 2543 | #ifdef ATH_11AC_TXCOMPACT |
| 2544 | htc_try_send(target, pEndpoint, NULL); |
| 2545 | #else |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2546 | if (pEndpoint->service_id == HTT_DATA_MSG_SVC) |
Himanshu Batra | 032d352 | 2019-07-10 12:36:06 +0530 | [diff] [blame] | 2547 | htc_send_data_pkt((HTC_HANDLE)target, NULL, 0); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2548 | else |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2549 | htc_try_send(target, pEndpoint, NULL); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2550 | #endif |
| 2551 | LOCK_HTC_TX(target); |
| 2552 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2553 | totalCredits += rpt_credits; |
| 2554 | } |
| 2555 | |
| 2556 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2557 | (" Report indicated %d credits to distribute\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2558 | totalCredits)); |
| 2559 | |
| 2560 | UNLOCK_HTC_TX(target); |
| 2561 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2562 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-htc_process_credit_rpt\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2563 | } |
| 2564 | |
| 2565 | /* function to fetch stats from htc layer*/ |
| 2566 | struct ol_ath_htc_stats *ieee80211_ioctl_get_htc_stats(HTC_HANDLE HTCHandle) |
| 2567 | { |
| 2568 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 2569 | |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2570 | return &(target->htc_pkt_stats); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2571 | } |