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 | |
| 128 | /* do completion */ |
Yun Park | 88e0b95 | 2017-10-11 23:08:34 -0700 | [diff] [blame] | 129 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 130 | ("HTC calling ep %d send complete callback on packet %pK\n", |
| 131 | pEndpoint->Id, pPacket)); |
| 132 | |
| 133 | EpTxComplete = pEndpoint->EpCallBacks.EpTxComplete; |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 134 | if (EpTxComplete) |
Yun Park | 88e0b95 | 2017-10-11 23:08:34 -0700 | [diff] [blame] | 135 | EpTxComplete(pEndpoint->EpCallBacks.pContext, pPacket); |
| 136 | else |
| 137 | qdf_nbuf_free(pPacket->pPktContext); |
| 138 | |
| 139 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 140 | } |
| 141 | |
Yue Ma | 4986b25 | 2019-07-23 15:57:48 -0700 | [diff] [blame] | 142 | #ifdef FEATURE_RUNTIME_PM |
| 143 | /** |
| 144 | * log_packet_info() - Log HTC packet information |
| 145 | * |
| 146 | * @target: handle of HTC context |
| 147 | * @pPacket: handle of HTC packet |
| 148 | * |
| 149 | * Return: None |
| 150 | */ |
| 151 | static void log_packet_info(HTC_TARGET *target, HTC_PACKET *pPacket) |
| 152 | { |
| 153 | HTC_ENDPOINT *pEndpoint = &target->endpoint[pPacket->Endpoint]; |
| 154 | HTC_EP_LOG_PKT ep_log_pkt; |
| 155 | qdf_nbuf_t netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
| 156 | |
| 157 | ep_log_pkt = pEndpoint->EpCallBacks.ep_log_pkt; |
| 158 | if (ep_log_pkt) { |
| 159 | qdf_nbuf_pull_head(netbuf, sizeof(HTC_FRAME_HDR)); |
| 160 | ep_log_pkt(pEndpoint->EpCallBacks.pContext, pPacket); |
| 161 | qdf_nbuf_push_head(netbuf, sizeof(HTC_FRAME_HDR)); |
| 162 | } |
| 163 | } |
| 164 | #else |
| 165 | static void log_packet_info(HTC_TARGET *target, HTC_PACKET *pPacket) |
| 166 | { |
| 167 | } |
| 168 | #endif |
| 169 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 170 | void htc_send_complete_check_cleanup(void *context) |
| 171 | { |
| 172 | HTC_ENDPOINT *pEndpoint = (HTC_ENDPOINT *) context; |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 173 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 174 | htc_send_complete_check(pEndpoint, 1); |
| 175 | } |
| 176 | |
| 177 | HTC_PACKET *allocate_htc_bundle_packet(HTC_TARGET *target) |
| 178 | { |
| 179 | HTC_PACKET *pPacket; |
| 180 | HTC_PACKET_QUEUE *pQueueSave; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 181 | qdf_nbuf_t netbuf; |
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 | LOCK_HTC_TX(target); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 184 | if (!target->pBundleFreeList) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 185 | UNLOCK_HTC_TX(target); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 186 | netbuf = qdf_nbuf_alloc(NULL, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 187 | target->MaxMsgsPerHTCBundle * |
| 188 | target->TargetCreditSize, 0, 4, false); |
| 189 | AR_DEBUG_ASSERT(netbuf); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 190 | if (!netbuf) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 191 | return NULL; |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 192 | pPacket = qdf_mem_malloc(sizeof(HTC_PACKET)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 193 | AR_DEBUG_ASSERT(pPacket); |
| 194 | if (!pPacket) { |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 195 | qdf_nbuf_free(netbuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 196 | return NULL; |
| 197 | } |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 198 | pQueueSave = qdf_mem_malloc(sizeof(HTC_PACKET_QUEUE)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 199 | AR_DEBUG_ASSERT(pQueueSave); |
| 200 | if (!pQueueSave) { |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 201 | qdf_nbuf_free(netbuf); |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 202 | qdf_mem_free(pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 203 | return NULL; |
| 204 | } |
| 205 | INIT_HTC_PACKET_QUEUE(pQueueSave); |
| 206 | pPacket->pContext = pQueueSave; |
| 207 | SET_HTC_PACKET_NET_BUF_CONTEXT(pPacket, netbuf); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 208 | pPacket->pBuffer = qdf_nbuf_data(netbuf); |
| 209 | pPacket->BufferLength = qdf_nbuf_len(netbuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 210 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 211 | /* store the original head room so that we can restore this |
| 212 | * when we "free" the packet. |
| 213 | * free packet puts the packet back on the free list |
| 214 | */ |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 215 | pPacket->netbufOrigHeadRoom = qdf_nbuf_headroom(netbuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 216 | return pPacket; |
| 217 | } |
| 218 | /* already done malloc - restore from free list */ |
| 219 | pPacket = target->pBundleFreeList; |
| 220 | AR_DEBUG_ASSERT(pPacket); |
| 221 | if (!pPacket) { |
| 222 | UNLOCK_HTC_TX(target); |
| 223 | return NULL; |
| 224 | } |
| 225 | target->pBundleFreeList = (HTC_PACKET *) pPacket->ListLink.pNext; |
| 226 | UNLOCK_HTC_TX(target); |
| 227 | pPacket->ListLink.pNext = NULL; |
| 228 | |
| 229 | return pPacket; |
| 230 | } |
| 231 | |
| 232 | void free_htc_bundle_packet(HTC_TARGET *target, HTC_PACKET *pPacket) |
| 233 | { |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 234 | uint32_t curentHeadRoom; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 235 | qdf_nbuf_t netbuf; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 236 | HTC_PACKET_QUEUE *pQueueSave; |
| 237 | |
| 238 | netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
| 239 | AR_DEBUG_ASSERT(netbuf); |
| 240 | if (!netbuf) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 241 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 242 | ("\n%s: Invalid netbuf in HTC Packet\n", |
| 243 | __func__)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 244 | return; |
| 245 | } |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 246 | /* HIF adds data to the headroom section of the nbuf, restore thei |
| 247 | * original size. If this is not done, headroom keeps shrinking with |
| 248 | * every HIF send and eventually HIF ends up doing another malloc big |
| 249 | * enough to store the data + its header |
| 250 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 251 | |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 252 | curentHeadRoom = qdf_nbuf_headroom(netbuf); |
| 253 | qdf_nbuf_pull_head(netbuf, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 254 | pPacket->netbufOrigHeadRoom - curentHeadRoom); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 255 | qdf_nbuf_trim_tail(netbuf, qdf_nbuf_len(netbuf)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 256 | |
| 257 | /* restore the pBuffer pointer. HIF changes this */ |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 258 | pPacket->pBuffer = qdf_nbuf_data(netbuf); |
| 259 | pPacket->BufferLength = qdf_nbuf_len(netbuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 260 | |
| 261 | /* restore queue */ |
| 262 | pQueueSave = (HTC_PACKET_QUEUE *) pPacket->pContext; |
jitiphil | fcc2488 | 2018-05-11 16:14:38 +0530 | [diff] [blame] | 263 | if (qdf_unlikely(!pQueueSave)) { |
| 264 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 265 | ("\n%s: Invalid pQueueSave in HTC Packet\n", |
| 266 | __func__)); |
| 267 | AR_DEBUG_ASSERT(pQueueSave); |
| 268 | } else |
| 269 | INIT_HTC_PACKET_QUEUE(pQueueSave); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 270 | |
| 271 | LOCK_HTC_TX(target); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 272 | if (!target->pBundleFreeList) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 273 | target->pBundleFreeList = pPacket; |
| 274 | pPacket->ListLink.pNext = NULL; |
| 275 | } else { |
| 276 | pPacket->ListLink.pNext = (DL_LIST *) target->pBundleFreeList; |
| 277 | target->pBundleFreeList = pPacket; |
| 278 | } |
| 279 | UNLOCK_HTC_TX(target); |
| 280 | } |
| 281 | |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 282 | #if defined(DEBUG_HL_LOGGING) && defined(CONFIG_HL_SUPPORT) |
| 283 | |
| 284 | /** |
| 285 | * htc_send_update_tx_bundle_stats() - update tx bundle stats depends |
| 286 | * on max bundle size |
| 287 | * @target: hif context |
| 288 | * @data_len: tx data len |
| 289 | * @TxCreditSize: endpoint tx credit size |
| 290 | * |
| 291 | * Return: None |
| 292 | */ |
| 293 | static inline void |
| 294 | htc_send_update_tx_bundle_stats(HTC_TARGET *target, |
| 295 | qdf_size_t data_len, |
| 296 | int TxCreditSize) |
| 297 | { |
| 298 | if ((data_len / TxCreditSize) <= HTC_MAX_MSG_PER_BUNDLE_TX) |
| 299 | target->tx_bundle_stats[(data_len / TxCreditSize) - 1]++; |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 300 | } |
| 301 | |
| 302 | /** |
| 303 | * htc_issue_tx_bundle_stats_inc() - increment in tx bundle stats |
| 304 | * on max bundle size |
| 305 | * @target: hif context |
| 306 | * |
| 307 | * Return: None |
| 308 | */ |
| 309 | static inline void |
| 310 | htc_issue_tx_bundle_stats_inc(HTC_TARGET *target) |
| 311 | { |
| 312 | target->tx_bundle_stats[0]++; |
| 313 | } |
| 314 | #else |
| 315 | |
| 316 | static inline void |
| 317 | htc_send_update_tx_bundle_stats(HTC_TARGET *target, |
| 318 | qdf_size_t data_len, |
| 319 | int TxCreditSize) |
| 320 | { |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | static inline void |
| 324 | htc_issue_tx_bundle_stats_inc(HTC_TARGET *target) |
| 325 | { |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 326 | } |
| 327 | #endif |
| 328 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 329 | #if defined(HIF_USB) || defined(HIF_SDIO) |
| 330 | #ifdef ENABLE_BUNDLE_TX |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 331 | static QDF_STATUS htc_send_bundled_netbuf(HTC_TARGET *target, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 332 | HTC_ENDPOINT *pEndpoint, |
| 333 | unsigned char *pBundleBuffer, |
| 334 | HTC_PACKET *pPacketTx) |
| 335 | { |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 336 | qdf_size_t data_len; |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 337 | QDF_STATUS status; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 338 | qdf_nbuf_t bundleBuf; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 339 | uint32_t data_attr = 0; |
| 340 | |
| 341 | bundleBuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacketTx); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 342 | data_len = pBundleBuffer - qdf_nbuf_data(bundleBuf); |
| 343 | qdf_nbuf_put_tail(bundleBuf, data_len); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 344 | SET_HTC_PACKET_INFO_TX(pPacketTx, |
| 345 | target, |
| 346 | pBundleBuffer, |
| 347 | data_len, |
| 348 | pEndpoint->Id, HTC_TX_PACKET_TAG_BUNDLED); |
| 349 | LOCK_HTC_TX(target); |
| 350 | HTC_PACKET_ENQUEUE(&pEndpoint->TxLookupQueue, pPacketTx); |
tfyu | 052b32a | 2017-09-20 18:48:33 +0800 | [diff] [blame] | 351 | pEndpoint->ul_outstanding_cnt++; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 352 | UNLOCK_HTC_TX(target); |
| 353 | #if DEBUG_BUNDLE |
Aditya Sathish | 648ce11 | 2018-07-02 16:41:39 +0530 | [diff] [blame] | 354 | 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] | 355 | pEndpoint->Id, |
| 356 | pEndpoint->TxCreditSize, |
| 357 | data_len, data_len / pEndpoint->TxCreditSize); |
| 358 | #endif |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 359 | |
| 360 | htc_send_update_tx_bundle_stats(target, data_len, |
| 361 | pEndpoint->TxCreditSize); |
| 362 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 363 | status = hif_send_head(target->hif_dev, |
| 364 | pEndpoint->UL_PipeID, |
Poddar, Siddarth | 416b706 | 2016-04-29 11:02:13 +0530 | [diff] [blame] | 365 | pEndpoint->Id, data_len, |
| 366 | bundleBuf, data_attr); |
Nirav Shah | 03c409d | 2019-06-10 23:23:11 +0530 | [diff] [blame] | 367 | if (qdf_unlikely(QDF_IS_STATUS_ERROR(status))) { |
| 368 | HTC_PACKET_QUEUE requeue; |
| 369 | |
| 370 | qdf_print("hif_send_head failed(len=%zu).", data_len); |
| 371 | INIT_HTC_PACKET_QUEUE(&requeue); |
| 372 | LOCK_HTC_TX(target); |
| 373 | pEndpoint->ul_outstanding_cnt--; |
| 374 | HTC_PACKET_REMOVE(&pEndpoint->TxLookupQueue, pPacketTx); |
| 375 | |
| 376 | if (pPacketTx->PktInfo.AsTx.Tag == HTC_TX_PACKET_TAG_BUNDLED) { |
| 377 | HTC_PACKET *temp_packet; |
| 378 | HTC_PACKET_QUEUE *packet_queue = |
| 379 | (HTC_PACKET_QUEUE *)pPacketTx->pContext; |
| 380 | |
| 381 | HTC_PACKET_QUEUE_ITERATE_ALLOW_REMOVE(packet_queue, |
| 382 | temp_packet) { |
| 383 | HTC_PACKET_ENQUEUE(&requeue, temp_packet); |
| 384 | } HTC_PACKET_QUEUE_ITERATE_END; |
| 385 | |
| 386 | UNLOCK_HTC_TX(target); |
| 387 | free_htc_bundle_packet(target, pPacketTx); |
| 388 | LOCK_HTC_TX(target); |
| 389 | |
| 390 | } else { |
| 391 | HTC_PACKET_ENQUEUE(&requeue, pPacketTx); |
| 392 | } |
| 393 | |
| 394 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD(&pEndpoint->TxQueue, |
| 395 | &requeue); |
| 396 | UNLOCK_HTC_TX(target); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 397 | } |
| 398 | return status; |
| 399 | } |
| 400 | |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 401 | #ifdef QCA_TX_PADDING_CREDIT_SUPPORT |
| 402 | #define SDIO_BLOCK_SIZE 512 |
| 403 | static int htc_tx_pad_credit_avail(HTC_ENDPOINT *ep) |
| 404 | { |
| 405 | int ret = 0; |
| 406 | |
| 407 | if (!ep || !ep->EpCallBacks.pContext || |
| 408 | !ep->EpCallBacks.ep_padding_credit_update) |
| 409 | return 1; |
| 410 | |
| 411 | ret = ep->EpCallBacks.ep_padding_credit_update(ep->EpCallBacks.pContext, |
| 412 | 0); |
| 413 | |
| 414 | if (ret < 2) |
| 415 | AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("%s ret %d\n", __func__, ret)); |
| 416 | |
| 417 | return ret; |
| 418 | } |
| 419 | |
| 420 | static bool htc_handle_extra_tx_credit(HTC_ENDPOINT *ep, |
| 421 | HTC_PACKET *p_last_htc_pkt, |
| 422 | unsigned char *p_last_pkt_bundle_buffer, |
| 423 | unsigned char **p_bundle_buffer, |
| 424 | int tot_data_len) |
| 425 | { |
| 426 | bool extra_tx_credit = FALSE; |
| 427 | HTC_FRAME_HDR *p_htc_hdr; |
| 428 | int first_buf_bundled_len = 0, last_buf_len = 0; |
| 429 | int sdio_pad = 0, free_space = 0; |
| 430 | int (*update_ep_padding_credit)(void *, int); |
| 431 | |
| 432 | update_ep_padding_credit = ep->EpCallBacks.ep_padding_credit_update; |
| 433 | |
| 434 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 435 | ("%s Tot data_len = %d\n", __func__, tot_data_len)); |
| 436 | |
| 437 | if (!p_last_htc_pkt) |
| 438 | return extra_tx_credit; |
| 439 | |
| 440 | last_buf_len = (p_last_htc_pkt->ActualLength + HTC_HDR_LENGTH); |
| 441 | if (tot_data_len != last_buf_len) { |
| 442 | first_buf_bundled_len = tot_data_len - ep->TxCreditSize; |
| 443 | free_space = tot_data_len - |
| 444 | (first_buf_bundled_len + last_buf_len); |
| 445 | } else { |
| 446 | free_space = ep->TxCreditSize - tot_data_len; |
| 447 | } |
| 448 | |
| 449 | sdio_pad = SDIO_BLOCK_SIZE - ((first_buf_bundled_len + last_buf_len) % |
| 450 | SDIO_BLOCK_SIZE); |
| 451 | |
| 452 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 453 | ("%s first_buf_bundled_len = %d last_buf_len = %d\n", |
| 454 | __func__, first_buf_bundled_len, last_buf_len)); |
| 455 | |
| 456 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 457 | ("%s sdio_pad = %d free_space = %d\n", __func__, |
| 458 | sdio_pad, free_space)); |
| 459 | |
| 460 | if (sdio_pad <= free_space) { |
| 461 | if (p_bundle_buffer && *p_bundle_buffer) { |
| 462 | /* Align Tx bundled buf to avoid a extra Padding buf */ |
| 463 | *p_bundle_buffer -= (free_space - sdio_pad); |
| 464 | } |
| 465 | } else { |
| 466 | /* Extra Padding Buffer needed, consume extra tx credit */ |
| 467 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 468 | ("%s Used a Tx credit for Padding Buffer\n", |
| 469 | __func__)); |
| 470 | p_htc_hdr = (HTC_FRAME_HDR *)(p_last_pkt_bundle_buffer); |
| 471 | p_htc_hdr->Flags |= HTC_FLAGS_PADDING_CHECK; |
| 472 | extra_tx_credit = TRUE; |
| 473 | if (ep->EpCallBacks.ep_padding_credit_update) { |
| 474 | /* Decrement 1 credit at host, |
| 475 | * due to extra tx credit consumed by padding buffer |
| 476 | */ |
| 477 | update_ep_padding_credit(ep->EpCallBacks.pContext, -1); |
| 478 | } |
| 479 | } |
| 480 | return extra_tx_credit; |
| 481 | } |
| 482 | #else |
| 483 | static int htc_tx_pad_credit_avail(HTC_ENDPOINT *ep) |
| 484 | { |
| 485 | return 1; |
| 486 | } |
| 487 | |
| 488 | static bool htc_handle_extra_tx_credit(HTC_ENDPOINT *ep, |
| 489 | HTC_PACKET *p_last_htc_pkt, |
| 490 | unsigned char *p_last_pkt_bundle_buffer, |
| 491 | unsigned char **p_bundle_buffer, |
| 492 | int tot_data_len) |
| 493 | { |
| 494 | return FALSE; |
| 495 | } |
| 496 | #endif |
| 497 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 498 | /** |
| 499 | * htc_issue_packets_bundle() - HTC function to send bundle packets from a queue |
| 500 | * @target: HTC target on which packets need to be sent |
| 501 | * @pEndpoint: logical endpoint on which packets needs to be sent |
| 502 | * @pPktQueue: HTC packet queue containing the list of packets to be sent |
| 503 | * |
| 504 | * Return: void |
| 505 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 506 | static void htc_issue_packets_bundle(HTC_TARGET *target, |
| 507 | HTC_ENDPOINT *pEndpoint, |
| 508 | HTC_PACKET_QUEUE *pPktQueue) |
| 509 | { |
| 510 | int i, frag_count, nbytes; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 511 | qdf_nbuf_t netbuf, bundleBuf; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 512 | unsigned char *pBundleBuffer = NULL; |
| 513 | HTC_PACKET *pPacket = NULL, *pPacketTx = NULL; |
| 514 | HTC_FRAME_HDR *pHtcHdr; |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 515 | int last_credit_pad = 0; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 516 | int creditPad, creditRemainder, transferLength, bundlesSpaceRemaining = |
| 517 | 0; |
| 518 | HTC_PACKET_QUEUE *pQueueSave = NULL; |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 519 | HTC_PACKET *p_last_htc_pkt = NULL; |
| 520 | unsigned char *p_last_pkt_bundle_buffer = NULL; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 521 | |
| 522 | bundlesSpaceRemaining = |
| 523 | target->MaxMsgsPerHTCBundle * pEndpoint->TxCreditSize; |
| 524 | pPacketTx = allocate_htc_bundle_packet(target); |
| 525 | if (!pPacketTx) { |
| 526 | /* good time to panic */ |
| 527 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 528 | ("allocate_htc_bundle_packet failed\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 529 | AR_DEBUG_ASSERT(false); |
| 530 | return; |
| 531 | } |
| 532 | bundleBuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacketTx); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 533 | pBundleBuffer = qdf_nbuf_data(bundleBuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 534 | pQueueSave = (HTC_PACKET_QUEUE *) pPacketTx->pContext; |
| 535 | while (1) { |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 536 | if (pEndpoint->EpCallBacks.ep_padding_credit_update) { |
| 537 | if (htc_tx_pad_credit_avail(pEndpoint) < 1) |
| 538 | break; |
| 539 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 540 | pPacket = htc_packet_dequeue(pPktQueue); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 541 | if (!pPacket) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 542 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 543 | creditPad = 0; |
| 544 | transferLength = pPacket->ActualLength + HTC_HDR_LENGTH; |
| 545 | creditRemainder = transferLength % pEndpoint->TxCreditSize; |
| 546 | if (creditRemainder != 0) { |
| 547 | if (transferLength < pEndpoint->TxCreditSize) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 548 | creditPad = pEndpoint->TxCreditSize - |
| 549 | transferLength; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 550 | } else { |
| 551 | creditPad = creditRemainder; |
| 552 | } |
| 553 | transferLength += creditPad; |
| 554 | } |
| 555 | |
| 556 | if (bundlesSpaceRemaining < transferLength) { |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 557 | htc_handle_extra_tx_credit(pEndpoint, p_last_htc_pkt, |
| 558 | p_last_pkt_bundle_buffer, |
| 559 | &pBundleBuffer, |
| 560 | pBundleBuffer - |
| 561 | qdf_nbuf_data(bundleBuf)); |
| 562 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 563 | /* send out previous buffer */ |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 564 | htc_send_bundled_netbuf(target, pEndpoint, |
| 565 | pBundleBuffer - last_credit_pad, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 566 | pPacketTx); |
tfyu | 60c2c98 | 2017-06-09 15:50:03 +0800 | [diff] [blame] | 567 | /* One packet has been dequeued from sending queue when enter |
| 568 | * this loop, so need to add 1 back for this checking. |
| 569 | */ |
| 570 | if ((HTC_PACKET_QUEUE_DEPTH(pPktQueue) + 1) < |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 571 | HTC_MIN_MSG_PER_BUNDLE) { |
tfyu | 60c2c98 | 2017-06-09 15:50:03 +0800 | [diff] [blame] | 572 | HTC_PACKET_ENQUEUE_TO_HEAD(pPktQueue, pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 573 | return; |
| 574 | } |
| 575 | bundlesSpaceRemaining = |
| 576 | target->MaxMsgsPerHTCBundle * |
| 577 | pEndpoint->TxCreditSize; |
| 578 | pPacketTx = allocate_htc_bundle_packet(target); |
| 579 | if (!pPacketTx) { |
tfyu | 60c2c98 | 2017-06-09 15:50:03 +0800 | [diff] [blame] | 580 | HTC_PACKET_ENQUEUE_TO_HEAD(pPktQueue, pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 581 | /* good time to panic */ |
| 582 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 583 | ("allocate_htc_bundle_packet failed\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 584 | AR_DEBUG_ASSERT(false); |
| 585 | return; |
| 586 | } |
| 587 | bundleBuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacketTx); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 588 | pBundleBuffer = qdf_nbuf_data(bundleBuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 589 | pQueueSave = (HTC_PACKET_QUEUE *) pPacketTx->pContext; |
| 590 | } |
| 591 | |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 592 | p_last_htc_pkt = pPacket; |
| 593 | p_last_pkt_bundle_buffer = pBundleBuffer; |
| 594 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 595 | bundlesSpaceRemaining -= transferLength; |
| 596 | netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 597 | |
| 598 | if (hif_get_bus_type(target->hif_dev) != QDF_BUS_TYPE_USB) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 599 | pHtcHdr = (HTC_FRAME_HDR *)qdf_nbuf_get_frag_vaddr( |
| 600 | netbuf, 0); |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 601 | HTC_WRITE32(pHtcHdr, |
| 602 | SM(pPacket->ActualLength, |
| 603 | HTC_FRAME_HDR_PAYLOADLEN) | |
| 604 | SM(pPacket->PktInfo.AsTx.SendFlags | |
Visweswara Tanuku | 68f1863 | 2019-08-19 16:35:11 +0530 | [diff] [blame] | 605 | #ifdef QCA_TX_PADDING_CREDIT_SUPPORT |
| 606 | /* |
| 607 | * This is a WAR to avoid FW Crash, |
| 608 | * to be removed once fixed in FW |
| 609 | */ |
| 610 | 0, |
| 611 | #else |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 612 | HTC_FLAGS_SEND_BUNDLE, |
Visweswara Tanuku | 68f1863 | 2019-08-19 16:35:11 +0530 | [diff] [blame] | 613 | #endif |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 614 | HTC_FRAME_HDR_FLAGS) | |
| 615 | SM(pPacket->Endpoint, |
| 616 | HTC_FRAME_HDR_ENDPOINTID)); |
| 617 | HTC_WRITE32((uint32_t *) pHtcHdr + 1, |
| 618 | SM(pPacket->PktInfo.AsTx.SeqNo, |
| 619 | HTC_FRAME_HDR_CONTROLBYTES1) | SM(creditPad, |
| 620 | HTC_FRAME_HDR_RESERVED)); |
| 621 | pHtcHdr->reserved = creditPad; |
| 622 | } |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 623 | frag_count = qdf_nbuf_get_num_frags(netbuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 624 | nbytes = pPacket->ActualLength + HTC_HDR_LENGTH; |
| 625 | for (i = 0; i < frag_count && nbytes > 0; i++) { |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 626 | int frag_len = qdf_nbuf_get_frag_len(netbuf, i); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 627 | unsigned char *frag_addr = |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 628 | qdf_nbuf_get_frag_vaddr(netbuf, i); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 629 | if (frag_len > nbytes) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 630 | frag_len = nbytes; |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 631 | qdf_mem_copy(pBundleBuffer, frag_addr, frag_len); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 632 | nbytes -= frag_len; |
| 633 | pBundleBuffer += frag_len; |
| 634 | } |
| 635 | HTC_PACKET_ENQUEUE(pQueueSave, pPacket); |
| 636 | pBundleBuffer += creditPad; |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 637 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 638 | /* last one can't be packed. */ |
| 639 | if (hif_get_bus_type(target->hif_dev) == QDF_BUS_TYPE_USB) |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 640 | last_credit_pad = creditPad; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 641 | } |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 642 | /* send out remaining buffer */ |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 643 | if (pBundleBuffer != qdf_nbuf_data(bundleBuf)) { |
| 644 | htc_handle_extra_tx_credit(pEndpoint, p_last_htc_pkt, |
| 645 | p_last_pkt_bundle_buffer, |
| 646 | &pBundleBuffer, |
| 647 | pBundleBuffer - |
| 648 | qdf_nbuf_data(bundleBuf)); |
| 649 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 650 | htc_send_bundled_netbuf(target, pEndpoint, |
| 651 | pBundleBuffer - last_credit_pad, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 652 | pPacketTx); |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 653 | } else { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 654 | free_htc_bundle_packet(target, pPacketTx); |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 655 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 656 | } |
| 657 | #endif /* ENABLE_BUNDLE_TX */ |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 658 | #else |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 659 | static int htc_tx_pad_credit_avail(HTC_ENDPOINT *ep) |
| 660 | { |
| 661 | return 1; |
| 662 | } |
| 663 | |
| 664 | bool htc_handle_extra_tx_credit(HTC_ENDPOINT *ep, |
| 665 | HTC_PACKET *p_last_htc_pkt, |
| 666 | unsigned char *p_last_pkt_bundle_buffer, |
| 667 | unsigned char **p_bundle_buffer, |
| 668 | int tot_data_len); |
| 669 | bool htc_handle_extra_tx_credit(HTC_ENDPOINT *ep, |
| 670 | HTC_PACKET *p_last_htc_pkt, |
| 671 | unsigned char *p_last_pkt_bundle_buffer, |
| 672 | unsigned char **p_bundle_buffer, |
| 673 | int tot_data_len) |
| 674 | { |
| 675 | return FALSE; |
| 676 | } |
| 677 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 678 | static void htc_issue_packets_bundle(HTC_TARGET *target, |
| 679 | HTC_ENDPOINT *pEndpoint, |
| 680 | HTC_PACKET_QUEUE *pPktQueue) |
| 681 | { |
| 682 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 683 | #endif |
| 684 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 685 | /** |
| 686 | * htc_issue_packets() - HTC function to send packets from a queue |
| 687 | * @target: HTC target on which packets need to be sent |
| 688 | * @pEndpoint: logical endpoint on which packets needs to be sent |
| 689 | * @pPktQueue: HTC packet queue containing the list of packets to be sent |
| 690 | * |
| 691 | * Return: QDF_STATUS_SUCCESS on success and error QDF status on failure |
| 692 | */ |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 693 | static QDF_STATUS htc_issue_packets(HTC_TARGET *target, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 694 | HTC_ENDPOINT *pEndpoint, |
| 695 | HTC_PACKET_QUEUE *pPktQueue) |
| 696 | { |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 697 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 698 | qdf_nbuf_t netbuf; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 699 | HTC_PACKET *pPacket = NULL; |
| 700 | uint16_t payloadLen; |
| 701 | HTC_FRAME_HDR *pHtcHdr; |
| 702 | uint32_t data_attr = 0; |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 703 | enum qdf_bus_type bus_type; |
Himanshu Agarwal | fa594d9 | 2017-04-04 12:36:33 +0530 | [diff] [blame] | 704 | QDF_STATUS ret; |
wadesong | 4b3f37d | 2018-01-25 16:08:05 +0800 | [diff] [blame] | 705 | bool rt_put = false; |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 706 | bool used_extra_tx_credit = false; |
| 707 | uint8_t *buf = NULL; |
| 708 | int (*update_ep_padding_credit)(void *, int); |
| 709 | void *ctx = NULL; |
| 710 | |
| 711 | update_ep_padding_credit = |
| 712 | pEndpoint->EpCallBacks.ep_padding_credit_update; |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 713 | |
| 714 | bus_type = hif_get_bus_type(target->hif_dev); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 715 | |
| 716 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 717 | ("+htc_issue_packets: Queue: %pK, Pkts %d\n", pPktQueue, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 718 | HTC_PACKET_QUEUE_DEPTH(pPktQueue))); |
| 719 | while (true) { |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 720 | if (HTC_TX_BUNDLE_ENABLED(target) && |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 721 | HTC_PACKET_QUEUE_DEPTH(pPktQueue) >= |
| 722 | HTC_MIN_MSG_PER_BUNDLE) { |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 723 | switch (bus_type) { |
| 724 | case QDF_BUS_TYPE_SDIO: |
| 725 | if (!IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) |
| 726 | break; |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 727 | if (update_ep_padding_credit) { |
| 728 | if (htc_tx_pad_credit_avail |
| 729 | (pEndpoint) < 1) |
| 730 | break; |
| 731 | } |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 732 | case QDF_BUS_TYPE_USB: |
| 733 | htc_issue_packets_bundle(target, |
| 734 | pEndpoint, |
| 735 | pPktQueue); |
| 736 | break; |
| 737 | default: |
| 738 | break; |
| 739 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 740 | } |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 741 | /* if not bundling or there was a packet that could not be |
| 742 | * placed in a bundle, and send it by normal way |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 743 | */ |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 744 | if (pEndpoint->EpCallBacks.ep_padding_credit_update) { |
| 745 | if (htc_tx_pad_credit_avail(pEndpoint) < 1) { |
| 746 | status = QDF_STATUS_E_FAILURE; |
| 747 | break; |
| 748 | } |
| 749 | } |
| 750 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 751 | pPacket = htc_packet_dequeue(pPktQueue); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 752 | if (!pPacket) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 753 | /* local queue is fully drained */ |
| 754 | break; |
| 755 | } |
| 756 | |
| 757 | netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
| 758 | AR_DEBUG_ASSERT(netbuf); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 759 | /* Non-credit enabled endpoints have been mapped and setup by |
| 760 | * now, so no need to revisit the HTC headers |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 761 | */ |
| 762 | if (IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
| 763 | |
| 764 | payloadLen = pPacket->ActualLength; |
| 765 | /* setup HTC frame header */ |
| 766 | |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 767 | pHtcHdr = (HTC_FRAME_HDR *) |
| 768 | qdf_nbuf_get_frag_vaddr(netbuf, 0); |
jitiphil | 4a8f66f | 2018-05-31 13:15:20 +0530 | [diff] [blame] | 769 | if (qdf_unlikely(!pHtcHdr)) { |
| 770 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 771 | ("%s Invalid pHtcHdr\n", |
| 772 | __func__)); |
| 773 | AR_DEBUG_ASSERT(pHtcHdr); |
| 774 | status = QDF_STATUS_E_FAILURE; |
| 775 | break; |
| 776 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 777 | |
| 778 | HTC_WRITE32(pHtcHdr, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 779 | SM(payloadLen, |
| 780 | HTC_FRAME_HDR_PAYLOADLEN) | |
| 781 | SM(pPacket->PktInfo.AsTx.SendFlags, |
| 782 | HTC_FRAME_HDR_FLAGS) | |
| 783 | SM(pPacket->Endpoint, |
| 784 | HTC_FRAME_HDR_ENDPOINTID)); |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 785 | HTC_WRITE32(((uint32_t *) pHtcHdr) + 1, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 786 | SM(pPacket->PktInfo.AsTx.SeqNo, |
| 787 | HTC_FRAME_HDR_CONTROLBYTES1)); |
| 788 | |
| 789 | /* |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 790 | * Now that the HTC frame header has been added, the |
| 791 | * netbuf can be mapped. This only applies to non-data |
| 792 | * frames, since data frames were already mapped as they |
Dustin Brown | bc9718f | 2017-12-11 12:15:27 -0800 | [diff] [blame] | 793 | * entered into the driver. |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 794 | */ |
Dustin Brown | bc9718f | 2017-12-11 12:15:27 -0800 | [diff] [blame] | 795 | pPacket->PktInfo.AsTx.Flags |= |
| 796 | HTC_TX_PACKET_FLAG_FIXUP_NETBUF; |
| 797 | |
| 798 | ret = qdf_nbuf_map(target->osdev, |
| 799 | GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket), |
| 800 | QDF_DMA_TO_DEVICE); |
| 801 | if (ret != QDF_STATUS_SUCCESS) { |
| 802 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 803 | ("%s nbuf Map Fail Endpnt %pK\n", |
| 804 | __func__, pEndpoint)); |
| 805 | HTC_PACKET_ENQUEUE_TO_HEAD(pPktQueue, pPacket); |
| 806 | status = QDF_STATUS_E_FAILURE; |
| 807 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 808 | } |
| 809 | } |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 810 | |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 811 | if (!pEndpoint->async_update) { |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 812 | LOCK_HTC_TX(target); |
| 813 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 814 | /* store in look up queue to match completions */ |
| 815 | HTC_PACKET_ENQUEUE(&pEndpoint->TxLookupQueue, pPacket); |
| 816 | INC_HTC_EP_STAT(pEndpoint, TxIssued, 1); |
| 817 | pEndpoint->ul_outstanding_cnt++; |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 818 | if (!pEndpoint->async_update) { |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 819 | UNLOCK_HTC_TX(target); |
| 820 | hif_send_complete_check(target->hif_dev, |
| 821 | pEndpoint->UL_PipeID, false); |
| 822 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 823 | |
Himanshu Agarwal | 974d0a5 | 2017-03-08 21:13:51 +0530 | [diff] [blame] | 824 | htc_packet_set_magic_cookie(pPacket, HTC_PACKET_MAGIC_COOKIE); |
wadesong | 4b3f37d | 2018-01-25 16:08:05 +0800 | [diff] [blame] | 825 | /* |
| 826 | * For HTT messages without a response from fw, |
| 827 | * do the runtime put here. |
| 828 | * otherwise runtime put will be done when the fw response comes |
| 829 | */ |
| 830 | if (pPacket->PktInfo.AsTx.Tag == HTC_TX_PACKET_TAG_RUNTIME_PUT) |
| 831 | rt_put = true; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 832 | #if DEBUG_BUNDLE |
Aditya Sathish | 648ce11 | 2018-07-02 16:41:39 +0530 | [diff] [blame] | 833 | 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] | 834 | pEndpoint->Id, |
| 835 | pEndpoint->TxCreditSize, |
| 836 | HTC_HDR_LENGTH + pPacket->ActualLength); |
| 837 | #endif |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 838 | buf = (uint8_t *)qdf_nbuf_get_frag_vaddr(netbuf, 0); |
| 839 | used_extra_tx_credit = |
| 840 | htc_handle_extra_tx_credit(pEndpoint, pPacket, buf, |
| 841 | NULL, pPacket->ActualLength + |
| 842 | HTC_HDR_LENGTH); |
| 843 | |
wadesong | 4b3f37d | 2018-01-25 16:08:05 +0800 | [diff] [blame] | 844 | status = hif_send_head(target->hif_dev, |
| 845 | pEndpoint->UL_PipeID, pEndpoint->Id, |
| 846 | HTC_HDR_LENGTH + pPacket->ActualLength, |
| 847 | netbuf, data_attr); |
| 848 | |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 849 | if (status != QDF_STATUS_SUCCESS) { |
| 850 | if (pEndpoint->EpCallBacks.ep_padding_credit_update) { |
| 851 | if (used_extra_tx_credit) { |
| 852 | ctx = pEndpoint->EpCallBacks.pContext; |
| 853 | update_ep_padding_credit(ctx, 1); |
| 854 | } |
| 855 | } |
| 856 | } |
| 857 | |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 858 | htc_issue_tx_bundle_stats_inc(target); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 859 | |
| 860 | target->ce_send_cnt++; |
| 861 | |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 862 | if (qdf_unlikely(QDF_IS_STATUS_ERROR(status))) { |
| 863 | if (status != QDF_STATUS_E_RESOURCES) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 864 | /* TODO : if more than 1 endpoint maps to the |
| 865 | * same PipeID it is possible to run out of |
| 866 | * resources in the HIF layer. Don't emit the |
| 867 | * error |
| 868 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 869 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 870 | ("hif_send Failed status:%d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 871 | status)); |
| 872 | } |
Dustin Brown | 942f939 | 2018-06-25 14:34:45 -0700 | [diff] [blame] | 873 | |
| 874 | /* only unmap if we mapped in this function */ |
Nirav Shah | 0811d82 | 2019-04-13 22:43:29 +0530 | [diff] [blame] | 875 | if (IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
Dustin Brown | 942f939 | 2018-06-25 14:34:45 -0700 | [diff] [blame] | 876 | qdf_nbuf_unmap(target->osdev, |
| 877 | GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket), |
| 878 | QDF_DMA_TO_DEVICE); |
Nirav Shah | 0811d82 | 2019-04-13 22:43:29 +0530 | [diff] [blame] | 879 | pPacket->PktInfo.AsTx.Flags &= |
| 880 | ~HTC_TX_PACKET_FLAG_FIXUP_NETBUF; |
| 881 | } |
Dustin Brown | 942f939 | 2018-06-25 14:34:45 -0700 | [diff] [blame] | 882 | |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 883 | if (!pEndpoint->async_update) { |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 884 | LOCK_HTC_TX(target); |
| 885 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 886 | target->ce_send_cnt--; |
| 887 | pEndpoint->ul_outstanding_cnt--; |
| 888 | HTC_PACKET_REMOVE(&pEndpoint->TxLookupQueue, pPacket); |
Himanshu Agarwal | 974d0a5 | 2017-03-08 21:13:51 +0530 | [diff] [blame] | 889 | htc_packet_set_magic_cookie(pPacket, 0); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 890 | /* put it back into the callers queue */ |
| 891 | HTC_PACKET_ENQUEUE_TO_HEAD(pPktQueue, pPacket); |
Frank Liu | d2cc13e | 2018-12-06 16:03:26 +0800 | [diff] [blame] | 892 | /* reclaim credits */ |
| 893 | HTC_PACKET_QUEUE_ITERATE_ALLOW_REMOVE(pPktQueue, |
| 894 | pPacket) { |
| 895 | pEndpoint->TxCredits += |
| 896 | pPacket->PktInfo.AsTx.CreditsUsed; |
| 897 | } HTC_PACKET_QUEUE_ITERATE_END; |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 898 | if (!pEndpoint->async_update) { |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 899 | UNLOCK_HTC_TX(target); |
| 900 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 901 | break; |
| 902 | } |
wadesong | 4b3f37d | 2018-01-25 16:08:05 +0800 | [diff] [blame] | 903 | if (rt_put) { |
Houston Hoffman | 1dd2276 | 2015-11-10 11:35:49 -0800 | [diff] [blame] | 904 | hif_pm_runtime_put(target->hif_dev); |
wadesong | 4b3f37d | 2018-01-25 16:08:05 +0800 | [diff] [blame] | 905 | rt_put = false; |
| 906 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 907 | } |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 908 | if (qdf_unlikely(QDF_IS_STATUS_ERROR(status))) { |
Manjunathappa Prakash | 3044c6e | 2015-12-04 00:08:58 -0800 | [diff] [blame] | 909 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 910 | ("htc_issue_packets, failed pkt:0x%pK status:%d", |
Manjunathappa Prakash | 3044c6e | 2015-12-04 00:08:58 -0800 | [diff] [blame] | 911 | pPacket, status)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 912 | } |
| 913 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 914 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-htc_issue_packets\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 915 | |
| 916 | return status; |
| 917 | } |
| 918 | |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 919 | #ifdef FEATURE_RUNTIME_PM |
| 920 | /** |
Jeff Johnson | 4b253f0 | 2018-05-12 11:34:43 -0700 | [diff] [blame] | 921 | * extract_htc_pm_packets(): move pm packets from endpoint into queue |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 922 | * @endpoint: which enpoint to extract packets from |
| 923 | * @queue: a queue to store extracted packets in. |
| 924 | * |
| 925 | * remove pm packets from the endpoint's tx queue. |
| 926 | * queue them into a queue |
| 927 | */ |
| 928 | static void extract_htc_pm_packets(HTC_ENDPOINT *endpoint, |
| 929 | HTC_PACKET_QUEUE *queue) |
| 930 | { |
| 931 | HTC_PACKET *packet; |
| 932 | |
| 933 | /* only WMI endpoint has power management packets */ |
| 934 | if (endpoint->service_id != WMI_CONTROL_SVC) |
| 935 | return; |
| 936 | |
| 937 | ITERATE_OVER_LIST_ALLOW_REMOVE(&endpoint->TxQueue.QueueHead, packet, |
| 938 | HTC_PACKET, ListLink) { |
| 939 | if (packet->PktInfo.AsTx.Tag == HTC_TX_PACKET_TAG_AUTO_PM) { |
| 940 | HTC_PACKET_REMOVE(&endpoint->TxQueue, packet); |
| 941 | HTC_PACKET_ENQUEUE(queue, packet); |
| 942 | } |
| 943 | } ITERATE_END |
| 944 | } |
| 945 | |
| 946 | /** |
| 947 | * queue_htc_pm_packets(): queue pm packets with priority |
| 948 | * @endpoint: enpoint to queue packets to |
| 949 | * @queue: queue of pm packets to enque |
| 950 | * |
| 951 | * suspend resume packets get special treatment & priority. |
| 952 | * need to queue them at the front of the queue. |
| 953 | */ |
| 954 | static void queue_htc_pm_packets(HTC_ENDPOINT *endpoint, |
| 955 | HTC_PACKET_QUEUE *queue) |
| 956 | { |
| 957 | if (endpoint->service_id != WMI_CONTROL_SVC) |
| 958 | return; |
| 959 | |
| 960 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD(&endpoint->TxQueue, queue); |
| 961 | } |
| 962 | #else |
| 963 | static void extract_htc_pm_packets(HTC_ENDPOINT *endpoint, |
| 964 | HTC_PACKET_QUEUE *queue) |
| 965 | {} |
| 966 | |
| 967 | static void queue_htc_pm_packets(HTC_ENDPOINT *endpoint, |
| 968 | HTC_PACKET_QUEUE *queue) |
| 969 | {} |
| 970 | #endif |
| 971 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 972 | /** |
| 973 | * get_htc_send_packets_credit_based() - get packets based on available credits |
| 974 | * @target: HTC target on which packets need to be sent |
| 975 | * @pEndpoint: logical endpoint on which packets needs to be sent |
| 976 | * @pQueue: HTC packet queue containing the list of packets to be sent |
| 977 | * |
| 978 | * Get HTC send packets from TX queue on an endpoint based on available credits. |
| 979 | * The function moves the packets from TX queue of the endpoint to pQueue. |
| 980 | * |
| 981 | * Return: None |
| 982 | */ |
Jeff Johnson | c66399a | 2016-10-07 13:01:33 -0700 | [diff] [blame] | 983 | static void get_htc_send_packets_credit_based(HTC_TARGET *target, |
| 984 | HTC_ENDPOINT *pEndpoint, |
| 985 | HTC_PACKET_QUEUE *pQueue) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 986 | { |
| 987 | int creditsRequired; |
| 988 | int remainder; |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 989 | uint8_t sendFlags; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 990 | HTC_PACKET *pPacket; |
| 991 | unsigned int transferLength; |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 992 | HTC_PACKET_QUEUE *tx_queue; |
| 993 | HTC_PACKET_QUEUE pm_queue; |
| 994 | bool do_pm_get = false; |
Yue Ma | 4986b25 | 2019-07-23 15:57:48 -0700 | [diff] [blame] | 995 | int ret; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 996 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 997 | /*** NOTE : the TX lock is held when this function is called ***/ |
| 998 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 999 | ("+get_htc_send_packets_credit_based\n")); |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1000 | |
| 1001 | INIT_HTC_PACKET_QUEUE(&pm_queue); |
| 1002 | extract_htc_pm_packets(pEndpoint, &pm_queue); |
| 1003 | if (HTC_QUEUE_EMPTY(&pm_queue)) { |
| 1004 | tx_queue = &pEndpoint->TxQueue; |
| 1005 | do_pm_get = true; |
| 1006 | } else { |
| 1007 | tx_queue = &pm_queue; |
| 1008 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1009 | |
| 1010 | /* loop until we can grab as many packets out of the queue as we can */ |
| 1011 | while (true) { |
Yue Ma | 4986b25 | 2019-07-23 15:57:48 -0700 | [diff] [blame] | 1012 | if (do_pm_get) { |
| 1013 | ret = hif_pm_runtime_get(target->hif_dev); |
| 1014 | if (ret) { |
| 1015 | /* bus suspended, runtime resume issued */ |
| 1016 | QDF_ASSERT(HTC_PACKET_QUEUE_DEPTH(pQueue) == 0); |
| 1017 | if (ret == -EAGAIN) { |
| 1018 | pPacket = htc_get_pkt_at_head(tx_queue); |
| 1019 | if (!pPacket) |
| 1020 | break; |
| 1021 | log_packet_info(target, pPacket); |
| 1022 | } |
| 1023 | break; |
| 1024 | } |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1025 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1026 | |
| 1027 | sendFlags = 0; |
| 1028 | /* get packet at head, but don't remove it */ |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1029 | pPacket = htc_get_pkt_at_head(tx_queue); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 1030 | if (!pPacket) { |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1031 | if (do_pm_get) |
| 1032 | hif_pm_runtime_put(target->hif_dev); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1033 | break; |
| 1034 | } |
| 1035 | |
| 1036 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 1037 | (" Got head packet:%pK , Queue Depth: %d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1038 | pPacket, |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1039 | HTC_PACKET_QUEUE_DEPTH(tx_queue))); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1040 | |
| 1041 | transferLength = pPacket->ActualLength + HTC_HDR_LENGTH; |
| 1042 | |
| 1043 | if (transferLength <= pEndpoint->TxCreditSize) { |
| 1044 | creditsRequired = 1; |
| 1045 | } else { |
| 1046 | /* figure out how many credits this message requires */ |
| 1047 | creditsRequired = |
| 1048 | transferLength / pEndpoint->TxCreditSize; |
| 1049 | remainder = transferLength % pEndpoint->TxCreditSize; |
| 1050 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1051 | if (remainder) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1052 | creditsRequired++; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1053 | } |
| 1054 | |
| 1055 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 1056 | (" Credits Required:%d Got:%d\n", |
| 1057 | creditsRequired, pEndpoint->TxCredits)); |
| 1058 | |
| 1059 | if (pEndpoint->Id == ENDPOINT_0) { |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1060 | /* |
| 1061 | * endpoint 0 is special, it always has a credit and |
| 1062 | * does not require credit based flow control |
| 1063 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1064 | creditsRequired = 0; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1065 | } else { |
| 1066 | |
| 1067 | if (pEndpoint->TxCredits < creditsRequired) { |
| 1068 | #if DEBUG_CREDIT |
| 1069 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1070 | ("EP%d,No Credit now.%d < %d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1071 | pEndpoint->Id, |
| 1072 | pEndpoint->TxCredits, |
| 1073 | creditsRequired)); |
| 1074 | #endif |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1075 | if (do_pm_get) |
| 1076 | hif_pm_runtime_put(target->hif_dev); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1077 | break; |
| 1078 | } |
| 1079 | |
| 1080 | pEndpoint->TxCredits -= creditsRequired; |
| 1081 | INC_HTC_EP_STAT(pEndpoint, TxCreditsConsummed, |
| 1082 | creditsRequired); |
| 1083 | |
| 1084 | /* check if we need credits back from the target */ |
| 1085 | if (pEndpoint->TxCredits <= |
| 1086 | pEndpoint->TxCreditsPerMaxMsg) { |
| 1087 | /* tell the target we need credits ASAP! */ |
| 1088 | sendFlags |= HTC_FLAGS_NEED_CREDIT_UPDATE; |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 1089 | if (pEndpoint->service_id == WMI_CONTROL_SVC) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1090 | htc_credit_record(HTC_REQUEST_CREDIT, |
| 1091 | pEndpoint->TxCredits, |
| 1092 | HTC_PACKET_QUEUE_DEPTH |
Rachit Kankane | 1bc1149 | 2018-01-24 18:48:17 +0530 | [diff] [blame] | 1093 | (tx_queue)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1094 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1095 | INC_HTC_EP_STAT(pEndpoint, |
| 1096 | TxCreditLowIndications, 1); |
| 1097 | #if DEBUG_CREDIT |
| 1098 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 1099 | (" EP%d Needs Credits\n", |
| 1100 | pEndpoint->Id)); |
| 1101 | #endif |
| 1102 | } |
| 1103 | } |
| 1104 | |
| 1105 | /* now we can fully dequeue */ |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1106 | pPacket = htc_packet_dequeue(tx_queue); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1107 | if (pPacket) { |
| 1108 | /* save the number of credits this packet consumed */ |
| 1109 | pPacket->PktInfo.AsTx.CreditsUsed = creditsRequired; |
| 1110 | /* save send flags */ |
| 1111 | pPacket->PktInfo.AsTx.SendFlags = sendFlags; |
| 1112 | |
| 1113 | /* queue this packet into the caller's queue */ |
| 1114 | HTC_PACKET_ENQUEUE(pQueue, pPacket); |
| 1115 | } |
| 1116 | } |
| 1117 | |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1118 | if (!HTC_QUEUE_EMPTY(&pm_queue)) |
| 1119 | queue_htc_pm_packets(pEndpoint, &pm_queue); |
| 1120 | |
| 1121 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 1122 | ("-get_htc_send_packets_credit_based\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1123 | |
| 1124 | } |
| 1125 | |
Jeff Johnson | c66399a | 2016-10-07 13:01:33 -0700 | [diff] [blame] | 1126 | static void get_htc_send_packets(HTC_TARGET *target, |
| 1127 | HTC_ENDPOINT *pEndpoint, |
| 1128 | HTC_PACKET_QUEUE *pQueue, int Resources) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1129 | { |
| 1130 | |
| 1131 | HTC_PACKET *pPacket; |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1132 | HTC_PACKET_QUEUE *tx_queue; |
| 1133 | HTC_PACKET_QUEUE pm_queue; |
Tiger Yu | 054a6a4 | 2018-03-30 14:58:02 +0800 | [diff] [blame] | 1134 | bool do_pm_get = false; |
Yue Ma | 4986b25 | 2019-07-23 15:57:48 -0700 | [diff] [blame] | 1135 | int ret; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1136 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1137 | /*** NOTE : the TX lock is held when this function is called ***/ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1138 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 1139 | ("+get_htc_send_packets %d resources\n", Resources)); |
| 1140 | |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1141 | INIT_HTC_PACKET_QUEUE(&pm_queue); |
| 1142 | extract_htc_pm_packets(pEndpoint, &pm_queue); |
| 1143 | if (HTC_QUEUE_EMPTY(&pm_queue)) { |
| 1144 | tx_queue = &pEndpoint->TxQueue; |
| 1145 | do_pm_get = true; |
| 1146 | } else { |
| 1147 | tx_queue = &pm_queue; |
| 1148 | } |
| 1149 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1150 | /* loop until we can grab as many packets out of the queue as we can */ |
| 1151 | while (Resources > 0) { |
| 1152 | int num_frags; |
| 1153 | |
Yue Ma | 4986b25 | 2019-07-23 15:57:48 -0700 | [diff] [blame] | 1154 | if (do_pm_get) { |
| 1155 | ret = hif_pm_runtime_get(target->hif_dev); |
| 1156 | if (ret) { |
| 1157 | /* bus suspended, runtime resume issued */ |
| 1158 | QDF_ASSERT(HTC_PACKET_QUEUE_DEPTH(pQueue) == 0); |
| 1159 | if (ret == -EAGAIN) { |
| 1160 | pPacket = htc_get_pkt_at_head(tx_queue); |
| 1161 | if (!pPacket) |
| 1162 | break; |
| 1163 | log_packet_info(target, pPacket); |
| 1164 | } |
| 1165 | break; |
| 1166 | } |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1167 | } |
| 1168 | |
| 1169 | pPacket = htc_packet_dequeue(tx_queue); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 1170 | if (!pPacket) { |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1171 | if (do_pm_get) |
| 1172 | hif_pm_runtime_put(target->hif_dev); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1173 | break; |
| 1174 | } |
| 1175 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 1176 | (" Got packet:%pK , New Queue Depth: %d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1177 | pPacket, |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1178 | HTC_PACKET_QUEUE_DEPTH(tx_queue))); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1179 | /* For non-credit path the sequence number is already embedded |
| 1180 | * in the constructed HTC header |
| 1181 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1182 | pPacket->PktInfo.AsTx.SendFlags = 0; |
| 1183 | pPacket->PktInfo.AsTx.CreditsUsed = 0; |
| 1184 | /* queue this packet into the caller's queue */ |
| 1185 | HTC_PACKET_ENQUEUE(pQueue, pPacket); |
| 1186 | |
| 1187 | /* |
| 1188 | * FIX THIS: |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1189 | * For now, avoid calling qdf_nbuf_get_num_frags before calling |
| 1190 | * qdf_nbuf_map, because the MacOS version of qdf_nbuf_t doesn't |
| 1191 | * support qdf_nbuf_get_num_frags until after qdf_nbuf_map has |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1192 | * been done. |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1193 | * Assume that the non-data netbufs, i.e. WMI message netbufs, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1194 | * consist of a single fragment. |
| 1195 | */ |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1196 | /* WMI messages are in a single-fragment network buf */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1197 | num_frags = |
| 1198 | (pPacket->PktInfo.AsTx. |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1199 | Flags & HTC_TX_PACKET_FLAG_FIXUP_NETBUF) ? 1 : |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1200 | qdf_nbuf_get_num_frags(GET_HTC_PACKET_NET_BUF_CONTEXT |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1201 | (pPacket)); |
| 1202 | Resources -= num_frags; |
| 1203 | } |
| 1204 | |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1205 | if (!HTC_QUEUE_EMPTY(&pm_queue)) |
| 1206 | queue_htc_pm_packets(pEndpoint, &pm_queue); |
| 1207 | |
| 1208 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-get_htc_send_packets\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1209 | |
| 1210 | } |
| 1211 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1212 | /** |
| 1213 | * htc_try_send() - Send packets in a queue on an endpoint |
| 1214 | * @target: HTC target on which packets need to be sent |
| 1215 | * @pEndpoint: logical endpoint on which packets needs to be sent |
| 1216 | * @pCallersSendQueue: packet queue containing the list of packets to be sent |
| 1217 | * |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1218 | * Return: enum HTC_SEND_QUEUE_RESULT indicates whether the packet was queued to |
| 1219 | * be sent or the packet should be dropped by the upper layer |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1220 | */ |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1221 | static enum HTC_SEND_QUEUE_RESULT htc_try_send(HTC_TARGET *target, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1222 | HTC_ENDPOINT *pEndpoint, |
| 1223 | HTC_PACKET_QUEUE *pCallersSendQueue) |
| 1224 | { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1225 | /* temp queue to hold packets at various stages */ |
| 1226 | HTC_PACKET_QUEUE sendQueue; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1227 | HTC_PACKET *pPacket; |
| 1228 | int tx_resources; |
| 1229 | int overflow; |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1230 | enum HTC_SEND_QUEUE_RESULT result = HTC_SEND_QUEUE_OK; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1231 | |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 1232 | 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] | 1233 | pCallersSendQueue, |
| 1234 | (pCallersSendQueue == |
| 1235 | NULL) ? 0 : |
| 1236 | HTC_PACKET_QUEUE_DEPTH |
| 1237 | (pCallersSendQueue))); |
| 1238 | |
| 1239 | /* init the local send queue */ |
| 1240 | INIT_HTC_PACKET_QUEUE(&sendQueue); |
| 1241 | |
| 1242 | do { |
| 1243 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1244 | /* caller didn't provide a queue, just wants us to check |
| 1245 | * queues and send |
| 1246 | */ |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 1247 | if (!pCallersSendQueue) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1248 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1249 | |
| 1250 | if (HTC_QUEUE_EMPTY(pCallersSendQueue)) { |
| 1251 | /* empty queue */ |
| 1252 | OL_ATH_HTC_PKT_ERROR_COUNT_INCR(target, |
| 1253 | HTC_PKT_Q_EMPTY); |
| 1254 | result = HTC_SEND_QUEUE_DROP; |
| 1255 | break; |
| 1256 | } |
| 1257 | |
| 1258 | if (HTC_PACKET_QUEUE_DEPTH(&pEndpoint->TxQueue) >= |
| 1259 | pEndpoint->MaxTxQueueDepth) { |
| 1260 | /* we've already overflowed */ |
| 1261 | overflow = HTC_PACKET_QUEUE_DEPTH(pCallersSendQueue); |
| 1262 | } else { |
| 1263 | /* figure out how much we will overflow by */ |
| 1264 | overflow = HTC_PACKET_QUEUE_DEPTH(&pEndpoint->TxQueue); |
| 1265 | overflow += HTC_PACKET_QUEUE_DEPTH(pCallersSendQueue); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1266 | /* get how much we will overflow the TX queue by */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1267 | overflow -= pEndpoint->MaxTxQueueDepth; |
| 1268 | } |
| 1269 | |
| 1270 | /* if overflow is negative or zero, we are okay */ |
| 1271 | if (overflow > 0) { |
| 1272 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1273 | ("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] | 1274 | pEndpoint->Id, overflow, |
| 1275 | HTC_PACKET_QUEUE_DEPTH(&pEndpoint-> |
| 1276 | TxQueue), |
| 1277 | pEndpoint->MaxTxQueueDepth)); |
| 1278 | } |
| 1279 | if ((overflow <= 0) |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 1280 | || (!pEndpoint->EpCallBacks.EpSendFull)) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1281 | /* all packets will fit or caller did not provide send |
| 1282 | * full indication handler |
| 1283 | * just move all of them to local sendQueue object |
| 1284 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1285 | HTC_PACKET_QUEUE_TRANSFER_TO_TAIL(&sendQueue, |
| 1286 | pCallersSendQueue); |
| 1287 | } else { |
| 1288 | int i; |
| 1289 | int goodPkts = |
| 1290 | HTC_PACKET_QUEUE_DEPTH(pCallersSendQueue) - |
| 1291 | overflow; |
| 1292 | |
| 1293 | A_ASSERT(goodPkts >= 0); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1294 | /* we have overflowed and callback is provided. Dequeue |
| 1295 | * all non-overflow packets into the sendqueue |
| 1296 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1297 | for (i = 0; i < goodPkts; i++) { |
| 1298 | /* pop off caller's queue */ |
| 1299 | pPacket = htc_packet_dequeue(pCallersSendQueue); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 1300 | A_ASSERT(pPacket); |
Alok Kumar | 5d4c6f2 | 2019-06-24 16:31:59 +0530 | [diff] [blame] | 1301 | if (pPacket) |
| 1302 | /* insert into local queue */ |
| 1303 | HTC_PACKET_ENQUEUE(&sendQueue, |
| 1304 | pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1305 | } |
| 1306 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1307 | /* the caller's queue has all the packets that won't fit |
| 1308 | * walk through the caller's queue and indicate each one |
| 1309 | * to the send full handler |
| 1310 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1311 | ITERATE_OVER_LIST_ALLOW_REMOVE(&pCallersSendQueue-> |
| 1312 | QueueHead, pPacket, |
| 1313 | HTC_PACKET, ListLink) { |
| 1314 | |
| 1315 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 1316 | ("Indicating overflowed TX packet: %pK\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1317 | pPacket)); |
| 1318 | /* |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1319 | * Remove headroom reserved for HTC_FRAME_HDR |
| 1320 | * before giving the packet back to the user via |
| 1321 | * the EpSendFull callback. |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1322 | */ |
| 1323 | restore_tx_packet(target, pPacket); |
| 1324 | |
| 1325 | if (pEndpoint->EpCallBacks. |
| 1326 | EpSendFull(pEndpoint->EpCallBacks.pContext, |
| 1327 | pPacket) == HTC_SEND_FULL_DROP) { |
| 1328 | /* callback wants the packet dropped */ |
| 1329 | INC_HTC_EP_STAT(pEndpoint, TxDropped, |
| 1330 | 1); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1331 | /* leave this one in the caller's queue |
| 1332 | * for cleanup |
| 1333 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1334 | } else { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1335 | /* callback wants to keep this packet, |
| 1336 | * remove from caller's queue |
| 1337 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1338 | HTC_PACKET_REMOVE(pCallersSendQueue, |
| 1339 | pPacket); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1340 | /* put it in the send queue |
| 1341 | * add HTC_FRAME_HDR space reservation |
| 1342 | * again |
| 1343 | */ |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1344 | qdf_nbuf_push_head |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1345 | (GET_HTC_PACKET_NET_BUF_CONTEXT |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1346 | (pPacket), |
| 1347 | sizeof(HTC_FRAME_HDR)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1348 | |
| 1349 | HTC_PACKET_ENQUEUE(&sendQueue, pPacket); |
| 1350 | } |
| 1351 | |
| 1352 | } |
| 1353 | ITERATE_END; |
| 1354 | |
| 1355 | if (HTC_QUEUE_EMPTY(&sendQueue)) { |
| 1356 | /* no packets made it in, caller will cleanup */ |
| 1357 | OL_ATH_HTC_PKT_ERROR_COUNT_INCR(target, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1358 | HTC_SEND_Q_EMPTY); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1359 | result = HTC_SEND_QUEUE_DROP; |
| 1360 | break; |
| 1361 | } |
| 1362 | } |
| 1363 | |
| 1364 | } while (false); |
| 1365 | |
| 1366 | if (result != HTC_SEND_QUEUE_OK) { |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1367 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-htc_try_send: %d\n", |
| 1368 | result)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1369 | return result; |
| 1370 | } |
| 1371 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1372 | LOCK_HTC_TX(target); |
| 1373 | |
| 1374 | if (!HTC_QUEUE_EMPTY(&sendQueue)) { |
gbian | b417db2 | 2016-09-30 17:01:07 +0800 | [diff] [blame] | 1375 | if (target->is_nodrop_pkt) { |
| 1376 | /* |
| 1377 | * nodrop pkts have higher priority than normal pkts, |
| 1378 | * insert nodrop pkt to head for proper |
| 1379 | * start/termination of test. |
| 1380 | */ |
| 1381 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD(&pEndpoint->TxQueue, |
| 1382 | &sendQueue); |
| 1383 | target->is_nodrop_pkt = false; |
| 1384 | } else { |
| 1385 | /* transfer packets to tail */ |
| 1386 | HTC_PACKET_QUEUE_TRANSFER_TO_TAIL(&pEndpoint->TxQueue, |
| 1387 | &sendQueue); |
| 1388 | A_ASSERT(HTC_QUEUE_EMPTY(&sendQueue)); |
| 1389 | INIT_HTC_PACKET_QUEUE(&sendQueue); |
| 1390 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1391 | } |
| 1392 | |
| 1393 | /* increment tx processing count on entry */ |
Rajeev Kumar | e37820e | 2016-04-14 17:30:56 -0700 | [diff] [blame] | 1394 | if (qdf_atomic_inc_return(&pEndpoint->TxProcessCount) > 1) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1395 | /* another thread or task is draining the TX queues on this |
| 1396 | * endpoint that thread will reset the tx processing count when |
| 1397 | * the queue is drained |
| 1398 | */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1399 | qdf_atomic_dec(&pEndpoint->TxProcessCount); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1400 | UNLOCK_HTC_TX(target); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1401 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-htc_try_send (busy)\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1402 | return HTC_SEND_QUEUE_OK; |
| 1403 | } |
| 1404 | |
| 1405 | /***** beyond this point only 1 thread may enter ******/ |
| 1406 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1407 | /* now drain the endpoint TX queue for transmission as long as we have |
| 1408 | * enough transmit resources |
| 1409 | */ |
Ajit Pal Singh | 5c3ba89 | 2019-06-04 13:24:57 +0530 | [diff] [blame] | 1410 | if (!IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
| 1411 | tx_resources = |
| 1412 | hif_get_free_queue_number(target->hif_dev, |
| 1413 | pEndpoint->UL_PipeID); |
| 1414 | } else { |
| 1415 | tx_resources = 0; |
| 1416 | } |
| 1417 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1418 | while (true) { |
| 1419 | |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 1420 | if (HTC_PACKET_QUEUE_DEPTH(&pEndpoint->TxQueue) == 0) |
| 1421 | break; |
| 1422 | |
| 1423 | if (pEndpoint->async_update && |
| 1424 | (!IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) && |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1425 | (!tx_resources)) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1426 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1427 | |
| 1428 | if (IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
| 1429 | #if DEBUG_CREDIT |
| 1430 | int cred = pEndpoint->TxCredits; |
| 1431 | #endif |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1432 | /* credit based mechanism provides flow control based on |
| 1433 | * target transmit resource availability, we assume that |
| 1434 | * the HIF layer will always have bus resources greater |
| 1435 | * than target transmit resources |
| 1436 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1437 | get_htc_send_packets_credit_based(target, pEndpoint, |
| 1438 | &sendQueue); |
| 1439 | #if DEBUG_CREDIT |
| 1440 | if (ep_debug_mask & (1 << pEndpoint->Id)) { |
| 1441 | if (cred - pEndpoint->TxCredits > 0) { |
| 1442 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1443 | (" <HTC> Decrease EP%d %d - %d = %d credits.\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1444 | pEndpoint->Id, cred, |
| 1445 | cred - |
| 1446 | pEndpoint->TxCredits, |
| 1447 | pEndpoint->TxCredits)); |
| 1448 | } |
| 1449 | } |
| 1450 | #endif |
| 1451 | } else { |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1452 | |
| 1453 | /* |
| 1454 | * Header and payload belongs to the different fragments and |
| 1455 | * consume 2 resource for one HTC package but USB combine into |
Liangwei Dong | 2c73be8 | 2016-09-29 03:35:59 -0400 | [diff] [blame] | 1456 | * one transfer.And one WMI message only consumes one single |
| 1457 | * resource. |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1458 | */ |
Liangwei Dong | 2c73be8 | 2016-09-29 03:35:59 -0400 | [diff] [blame] | 1459 | if (HTC_TX_BUNDLE_ENABLED(target) && tx_resources && |
| 1460 | hif_get_bus_type(target->hif_dev) == |
| 1461 | QDF_BUS_TYPE_USB) { |
| 1462 | if (pEndpoint->service_id == |
| 1463 | WMI_CONTROL_SVC) |
| 1464 | tx_resources = |
| 1465 | HTC_MAX_MSG_PER_BUNDLE_TX; |
| 1466 | else |
| 1467 | tx_resources = |
| 1468 | (HTC_MAX_MSG_PER_BUNDLE_TX * 2); |
| 1469 | } |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1470 | /* get all the packets for this endpoint that we can for |
| 1471 | * this pass |
| 1472 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1473 | get_htc_send_packets(target, pEndpoint, &sendQueue, |
| 1474 | tx_resources); |
| 1475 | } |
| 1476 | |
| 1477 | if (HTC_PACKET_QUEUE_DEPTH(&sendQueue) == 0) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1478 | /* didn't get any packets due to a lack of resources or |
| 1479 | * TX queue was drained |
| 1480 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1481 | break; |
| 1482 | } |
| 1483 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1484 | if (!pEndpoint->async_update) |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 1485 | UNLOCK_HTC_TX(target); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1486 | |
| 1487 | /* send what we can */ |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1488 | if (htc_issue_packets(target, pEndpoint, &sendQueue)) { |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1489 | int i; |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1490 | |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1491 | result = HTC_SEND_QUEUE_DROP; |
Manjunathappa Prakash | 3044c6e | 2015-12-04 00:08:58 -0800 | [diff] [blame] | 1492 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 1493 | ("htc_issue_packets, failed status:%d put it back to head of callersSendQueue", |
| 1494 | result)); |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1495 | |
| 1496 | for (i = HTC_PACKET_QUEUE_DEPTH(&sendQueue); i > 0; i--) |
| 1497 | hif_pm_runtime_put(target->hif_dev); |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 1498 | if (!pEndpoint->async_update) { |
Venkateswara Swamy Bandaru | b3c810b | 2016-11-02 17:12:34 +0530 | [diff] [blame] | 1499 | LOCK_HTC_TX(target); |
| 1500 | } |
Liangwei Dong | 6c5e332 | 2016-11-07 00:27:50 -0500 | [diff] [blame] | 1501 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD(&pEndpoint->TxQueue, |
| 1502 | &sendQueue); |
Manjunathappa Prakash | 3044c6e | 2015-12-04 00:08:58 -0800 | [diff] [blame] | 1503 | break; |
| 1504 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1505 | |
| 1506 | if (!IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
| 1507 | tx_resources = |
| 1508 | hif_get_free_queue_number(target->hif_dev, |
| 1509 | pEndpoint->UL_PipeID); |
| 1510 | } |
| 1511 | |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 1512 | if (!pEndpoint->async_update) { |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 1513 | LOCK_HTC_TX(target); |
| 1514 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1515 | |
| 1516 | } |
| 1517 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1518 | /* done with this endpoint, we can clear the count */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1519 | qdf_atomic_init(&pEndpoint->TxProcessCount); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1520 | |
Rajeev Kumar | e37820e | 2016-04-14 17:30:56 -0700 | [diff] [blame] | 1521 | UNLOCK_HTC_TX(target); |
| 1522 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1523 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-htc_try_send:\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1524 | |
| 1525 | return HTC_SEND_QUEUE_OK; |
| 1526 | } |
| 1527 | |
| 1528 | #ifdef USB_HIF_SINGLE_PIPE_DATA_SCHED |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1529 | static uint16_t htc_send_pkts_sched_check(HTC_HANDLE HTCHandle, |
| 1530 | HTC_ENDPOINT_ID id) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1531 | { |
| 1532 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 1533 | HTC_ENDPOINT *pEndpoint; |
| 1534 | HTC_ENDPOINT_ID eid; |
| 1535 | HTC_PACKET_QUEUE *pTxQueue; |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 1536 | uint16_t resources; |
| 1537 | uint16_t acQueueStatus[DATA_EP_SIZE] = { 0, 0, 0, 0 }; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1538 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1539 | if (id < ENDPOINT_2 || id > ENDPOINT_5) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1540 | return 1; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1541 | |
| 1542 | for (eid = ENDPOINT_2; eid <= ENDPOINT_5; eid++) { |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 1543 | pEndpoint = &target->endpoint[eid]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1544 | pTxQueue = &pEndpoint->TxQueue; |
| 1545 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1546 | if (HTC_QUEUE_EMPTY(pTxQueue)) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1547 | acQueueStatus[eid - 2] = 1; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1548 | } |
| 1549 | |
| 1550 | switch (id) { |
| 1551 | case ENDPOINT_2: /* BE */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1552 | return acQueueStatus[0] && acQueueStatus[2] |
| 1553 | && acQueueStatus[3]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1554 | case ENDPOINT_3: /* BK */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1555 | return acQueueStatus[0] && acQueueStatus[1] && acQueueStatus[2] |
| 1556 | && acQueueStatus[3]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1557 | case ENDPOINT_4: /* VI */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1558 | return acQueueStatus[2] && acQueueStatus[3]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1559 | case ENDPOINT_5: /* VO */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1560 | return acQueueStatus[3]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1561 | default: |
| 1562 | return 0; |
| 1563 | } |
| 1564 | |
| 1565 | } |
| 1566 | |
| 1567 | static A_STATUS htc_send_pkts_sched_queue(HTC_TARGET *target, |
| 1568 | HTC_PACKET_QUEUE *pPktQueue, |
| 1569 | HTC_ENDPOINT_ID eid) |
| 1570 | { |
| 1571 | HTC_ENDPOINT *pEndpoint; |
| 1572 | HTC_PACKET_QUEUE *pTxQueue; |
| 1573 | HTC_PACKET *pPacket; |
| 1574 | int goodPkts; |
| 1575 | |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 1576 | pEndpoint = &target->endpoint[eid]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1577 | pTxQueue = &pEndpoint->TxQueue; |
| 1578 | |
| 1579 | LOCK_HTC_TX(target); |
| 1580 | |
| 1581 | goodPkts = |
| 1582 | pEndpoint->MaxTxQueueDepth - |
| 1583 | HTC_PACKET_QUEUE_DEPTH(&pEndpoint->TxQueue); |
| 1584 | |
| 1585 | if (goodPkts > 0) { |
| 1586 | while (!HTC_QUEUE_EMPTY(pPktQueue)) { |
| 1587 | pPacket = htc_packet_dequeue(pPktQueue); |
| 1588 | HTC_PACKET_ENQUEUE(pTxQueue, pPacket); |
| 1589 | goodPkts--; |
| 1590 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1591 | if (goodPkts <= 0) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1592 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1593 | } |
| 1594 | } |
| 1595 | |
| 1596 | if (HTC_PACKET_QUEUE_DEPTH(pPktQueue)) { |
| 1597 | ITERATE_OVER_LIST_ALLOW_REMOVE(&pPktQueue->QueueHead, pPacket, |
| 1598 | HTC_PACKET, ListLink) { |
| 1599 | |
| 1600 | if (pEndpoint->EpCallBacks. |
| 1601 | EpSendFull(pEndpoint->EpCallBacks.pContext, |
| 1602 | pPacket) == HTC_SEND_FULL_DROP) { |
| 1603 | INC_HTC_EP_STAT(pEndpoint, TxDropped, 1); |
| 1604 | } else { |
| 1605 | HTC_PACKET_REMOVE(pPktQueue, pPacket); |
| 1606 | HTC_PACKET_ENQUEUE(pTxQueue, pPacket); |
| 1607 | } |
| 1608 | } |
| 1609 | ITERATE_END; |
| 1610 | } |
| 1611 | |
| 1612 | UNLOCK_HTC_TX(target); |
| 1613 | |
| 1614 | return A_OK; |
| 1615 | } |
| 1616 | |
| 1617 | #endif |
| 1618 | |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1619 | static inline QDF_STATUS __htc_send_pkt(HTC_HANDLE HTCHandle, |
| 1620 | HTC_PACKET *pPacket) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1621 | { |
| 1622 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 1623 | HTC_ENDPOINT *pEndpoint; |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1624 | HTC_PACKET_QUEUE pPktQueue; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1625 | qdf_nbuf_t netbuf; |
Yun Park | c353d6b | 2018-06-05 11:58:30 -0700 | [diff] [blame] | 1626 | HTC_FRAME_HDR *htc_hdr; |
Himanshu Agarwal | fa594d9 | 2017-04-04 12:36:33 +0530 | [diff] [blame] | 1627 | QDF_STATUS status; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1628 | |
| 1629 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1630 | ("+__htc_send_pkt\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1631 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1632 | /* get packet at head to figure out which endpoint these packets will |
| 1633 | * go into |
| 1634 | */ |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 1635 | if (!pPacket) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1636 | 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] | 1637 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-__htc_send_pkt\n")); |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1638 | return QDF_STATUS_E_INVAL; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1639 | } |
| 1640 | |
Jiachao Wu | 15a9474 | 2017-11-10 10:13:38 +0800 | [diff] [blame] | 1641 | if ((pPacket->Endpoint >= ENDPOINT_MAX) || |
| 1642 | (pPacket->Endpoint <= ENDPOINT_UNUSED)) { |
| 1643 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 1644 | ("%s endpoint is invalid\n", __func__)); |
| 1645 | AR_DEBUG_ASSERT(0); |
| 1646 | return QDF_STATUS_E_INVAL; |
| 1647 | } |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 1648 | pEndpoint = &target->endpoint[pPacket->Endpoint]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1649 | |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 1650 | if (!pEndpoint->service_id) { |
| 1651 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("%s service_id is invalid\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1652 | __func__)); |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1653 | return QDF_STATUS_E_INVAL; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1654 | } |
| 1655 | |
| 1656 | #ifdef HTC_EP_STAT_PROFILING |
| 1657 | LOCK_HTC_TX(target); |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1658 | INC_HTC_EP_STAT(pEndpoint, TxPosted, 1); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1659 | UNLOCK_HTC_TX(target); |
| 1660 | #endif |
| 1661 | |
| 1662 | /* provide room in each packet's netbuf for the HTC frame header */ |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1663 | netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
| 1664 | AR_DEBUG_ASSERT(netbuf); |
Yun Park | c353d6b | 2018-06-05 11:58:30 -0700 | [diff] [blame] | 1665 | if (!netbuf) |
| 1666 | return QDF_STATUS_E_INVAL; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1667 | |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1668 | qdf_nbuf_push_head(netbuf, sizeof(HTC_FRAME_HDR)); |
Nirav Shah | 31435bb | 2019-08-05 17:51:19 +0530 | [diff] [blame] | 1669 | pPacket->PktInfo.AsTx.Flags |= |
| 1670 | HTC_TX_PACKET_FLAG_HTC_HEADER_IN_NETBUF_DATA; |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1671 | /* setup HTC frame header */ |
Yun Park | c353d6b | 2018-06-05 11:58:30 -0700 | [diff] [blame] | 1672 | htc_hdr = (HTC_FRAME_HDR *)qdf_nbuf_get_frag_vaddr(netbuf, 0); |
| 1673 | AR_DEBUG_ASSERT(htc_hdr); |
| 1674 | if (!htc_hdr) |
| 1675 | return QDF_STATUS_E_INVAL; |
| 1676 | |
| 1677 | HTC_WRITE32(htc_hdr, |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1678 | SM(pPacket->ActualLength, |
| 1679 | HTC_FRAME_HDR_PAYLOADLEN) | |
| 1680 | SM(pPacket->Endpoint, |
| 1681 | HTC_FRAME_HDR_ENDPOINTID)); |
| 1682 | LOCK_HTC_TX(target); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1683 | |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1684 | pPacket->PktInfo.AsTx.SeqNo = pEndpoint->SeqNo; |
| 1685 | pEndpoint->SeqNo++; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1686 | |
Yun Park | c353d6b | 2018-06-05 11:58:30 -0700 | [diff] [blame] | 1687 | HTC_WRITE32(((uint32_t *)htc_hdr) + 1, |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1688 | SM(pPacket->PktInfo.AsTx.SeqNo, |
| 1689 | HTC_FRAME_HDR_CONTROLBYTES1)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1690 | |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1691 | UNLOCK_HTC_TX(target); |
Dustin Brown | bc9718f | 2017-12-11 12:15:27 -0800 | [diff] [blame] | 1692 | |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1693 | /* |
Dustin Brown | 8969ad7 | 2017-12-02 22:43:26 -0800 | [diff] [blame] | 1694 | * For flow control enabled endpoints mapping is done in |
| 1695 | * htc_issue_packets and for non flow control enabled endpoints |
| 1696 | * its done here. |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1697 | */ |
Dustin Brown | 8969ad7 | 2017-12-02 22:43:26 -0800 | [diff] [blame] | 1698 | if (!IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
Dustin Brown | bc9718f | 2017-12-11 12:15:27 -0800 | [diff] [blame] | 1699 | pPacket->PktInfo.AsTx.Flags |= HTC_TX_PACKET_FLAG_FIXUP_NETBUF; |
Dustin Brown | 8969ad7 | 2017-12-02 22:43:26 -0800 | [diff] [blame] | 1700 | status = qdf_nbuf_map(target->osdev, |
| 1701 | GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket), |
| 1702 | QDF_DMA_TO_DEVICE); |
| 1703 | if (status != QDF_STATUS_SUCCESS) { |
| 1704 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 1705 | ("%s: nbuf map failed, endpoint %pK, seq_no. %d\n", |
| 1706 | __func__, pEndpoint, pEndpoint->SeqNo)); |
| 1707 | return status; |
| 1708 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1709 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1710 | |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1711 | INIT_HTC_PACKET_QUEUE_AND_ADD(&pPktQueue, pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1712 | #ifdef USB_HIF_SINGLE_PIPE_DATA_SCHED |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1713 | if (!htc_send_pkts_sched_check(HTCHandle, pEndpoint->Id)) |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1714 | htc_send_pkts_sched_queue(HTCHandle, &pPktQueue, pEndpoint->Id); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1715 | else |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1716 | htc_try_send(target, pEndpoint, &pPktQueue); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1717 | #else |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1718 | htc_try_send(target, pEndpoint, &pPktQueue); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1719 | #endif |
| 1720 | |
| 1721 | /* do completion on any packets that couldn't get in */ |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1722 | while (!HTC_QUEUE_EMPTY(&pPktQueue)) { |
| 1723 | pPacket = htc_packet_dequeue(&pPktQueue); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1724 | |
Yun Park | 88e0b95 | 2017-10-11 23:08:34 -0700 | [diff] [blame] | 1725 | if (HTC_STOPPING(target)) |
| 1726 | pPacket->Status = QDF_STATUS_E_CANCELED; |
| 1727 | else |
| 1728 | pPacket->Status = QDF_STATUS_E_RESOURCES; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1729 | |
Yun Park | 88e0b95 | 2017-10-11 23:08:34 -0700 | [diff] [blame] | 1730 | send_packet_completion(target, pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1731 | } |
| 1732 | |
Houston Hoffman | b899cf8 | 2017-10-06 14:44:13 -0700 | [diff] [blame] | 1733 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-__htc_send_pkt\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1734 | |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1735 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1736 | } |
| 1737 | |
| 1738 | /* HTC API - htc_send_pkt */ |
Kabilan Kannan | 2c0da26 | 2018-02-21 13:41:00 -0800 | [diff] [blame] | 1739 | 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] | 1740 | { |
Kabilan Kannan | 2c0da26 | 2018-02-21 13:41:00 -0800 | [diff] [blame] | 1741 | if (!htc_handle) { |
| 1742 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 1743 | ("%s: HTCHandle is NULL \n", __func__)); |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1744 | return QDF_STATUS_E_FAILURE; |
Kabilan Kannan | 2c0da26 | 2018-02-21 13:41:00 -0800 | [diff] [blame] | 1745 | } |
| 1746 | |
| 1747 | if (!htc_packet) { |
| 1748 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 1749 | ("%s: pPacket is NULL \n", __func__)); |
| 1750 | return QDF_STATUS_E_FAILURE; |
| 1751 | } |
Karthick S | dc40a35 | 2015-10-14 18:14:15 +0530 | [diff] [blame] | 1752 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1753 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Jeff Johnson | a79b111 | 2017-09-18 10:12:02 -0700 | [diff] [blame] | 1754 | ("+-htc_send_pkt: Enter endPointId: %d, buffer: %pK, length: %d\n", |
Kabilan Kannan | 2c0da26 | 2018-02-21 13:41:00 -0800 | [diff] [blame] | 1755 | htc_packet->Endpoint, htc_packet->pBuffer, |
| 1756 | htc_packet->ActualLength)); |
| 1757 | return __htc_send_pkt(htc_handle, htc_packet); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1758 | } |
Pratik Gandhi | dc82a77 | 2018-01-30 18:57:05 +0530 | [diff] [blame] | 1759 | qdf_export_symbol(htc_send_pkt); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1760 | |
| 1761 | #ifdef ATH_11AC_TXCOMPACT |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1762 | /** |
| 1763 | * htc_send_data_pkt() - send single data packet on an endpoint |
| 1764 | * @HTCHandle: pointer to HTC handle |
| 1765 | * @netbuf: network buffer containing the data to be sent |
| 1766 | * @ActualLength: length of data that needs to be transmitted |
| 1767 | * |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1768 | * Return: QDF_STATUS_SUCCESS for success or an appropriate QDF_STATUS error |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1769 | */ |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1770 | QDF_STATUS htc_send_data_pkt(HTC_HANDLE htc_hdl, qdf_nbuf_t netbuf, int ep_id, |
| 1771 | int actual_length) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1772 | { |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1773 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_hdl); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1774 | HTC_ENDPOINT *pEndpoint; |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1775 | HTC_FRAME_HDR *p_htc_hdr; |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1776 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1777 | int tx_resources; |
| 1778 | uint32_t data_attr = 0; |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1779 | int htc_payload_len = actual_length; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1780 | |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1781 | pEndpoint = &target->endpoint[ep_id]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1782 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1783 | tx_resources = hif_get_free_queue_number(target->hif_dev, |
| 1784 | pEndpoint->UL_PipeID); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1785 | |
| 1786 | if (tx_resources < HTC_DATA_RESOURCE_THRS) { |
| 1787 | if (pEndpoint->ul_is_polled) { |
| 1788 | hif_send_complete_check(pEndpoint->target->hif_dev, |
| 1789 | pEndpoint->UL_PipeID, 1); |
| 1790 | tx_resources = |
| 1791 | hif_get_free_queue_number(target->hif_dev, |
| 1792 | pEndpoint->UL_PipeID); |
| 1793 | } |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1794 | if (tx_resources < HTC_DATA_MINDESC_PERPACKET) |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1795 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1796 | } |
| 1797 | |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1798 | if (hif_pm_runtime_get(target->hif_dev)) |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1799 | return QDF_STATUS_E_FAILURE; |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 1800 | |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1801 | p_htc_hdr = (HTC_FRAME_HDR *)qdf_nbuf_get_frag_vaddr(netbuf, 0); |
| 1802 | AR_DEBUG_ASSERT(p_htc_hdr); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1803 | |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1804 | data_attr = qdf_nbuf_data_attr_get(netbuf); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1805 | |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1806 | if (target->htc_hdr_length_check) |
| 1807 | htc_payload_len = actual_length - HTC_HEADER_LEN; |
| 1808 | |
| 1809 | HTC_WRITE32(p_htc_hdr, SM(htc_payload_len, HTC_FRAME_HDR_PAYLOADLEN) |
| 1810 | | SM(ep_id, HTC_FRAME_HDR_ENDPOINTID)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1811 | /* |
| 1812 | * If the HIF pipe for the data endpoint is polled rather than |
| 1813 | * interrupt-driven, this is a good point to check whether any |
| 1814 | * data previously sent through the HIF pipe have finished being |
| 1815 | * sent. |
| 1816 | * Since this may result in callbacks to htc_tx_completion_handler, |
| 1817 | * which can take the HTC tx lock, make the hif_send_complete_check |
| 1818 | * call before acquiring the HTC tx lock. |
| 1819 | * Call hif_send_complete_check directly, rather than calling |
| 1820 | * htc_send_complete_check, and call the PollTimerStart separately |
| 1821 | * after calling hif_send_head, so the timer will be started to |
| 1822 | * check for completion of the new outstanding download (in the |
| 1823 | * unexpected event that other polling calls don't catch it). |
| 1824 | */ |
| 1825 | |
| 1826 | LOCK_HTC_TX(target); |
| 1827 | |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1828 | HTC_WRITE32(((uint32_t *)p_htc_hdr) + 1, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1829 | SM(pEndpoint->SeqNo, HTC_FRAME_HDR_CONTROLBYTES1)); |
| 1830 | |
| 1831 | pEndpoint->SeqNo++; |
| 1832 | |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1833 | QDF_NBUF_UPDATE_TX_PKT_COUNT(netbuf, QDF_NBUF_TX_PKT_HTC); |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1834 | 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] | 1835 | QDF_TRACE_DEFAULT_PDEV_ID, qdf_nbuf_data_addr(netbuf), |
| 1836 | sizeof(qdf_nbuf_data(netbuf)), QDF_TX)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1837 | status = hif_send_head(target->hif_dev, |
| 1838 | pEndpoint->UL_PipeID, |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 1839 | pEndpoint->Id, actual_length, netbuf, data_attr); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1840 | |
| 1841 | UNLOCK_HTC_TX(target); |
| 1842 | return status; |
| 1843 | } |
| 1844 | #else /*ATH_11AC_TXCOMPACT */ |
| 1845 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1846 | /** |
| 1847 | * htc_send_data_pkt() - htc_send_data_pkt |
| 1848 | * @HTCHandle: pointer to HTC handle |
| 1849 | * @pPacket: pointer to HTC_PACKET |
| 1850 | * @more_data: indicates whether more data is to follow |
| 1851 | * |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1852 | * Return: QDF_STATUS_SUCCESS for success or an appropriate QDF_STATUS error |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1853 | */ |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1854 | QDF_STATUS htc_send_data_pkt(HTC_HANDLE HTCHandle, HTC_PACKET *pPacket, |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 1855 | uint8_t more_data) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1856 | { |
| 1857 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 1858 | HTC_ENDPOINT *pEndpoint; |
| 1859 | HTC_FRAME_HDR *pHtcHdr; |
| 1860 | HTC_PACKET_QUEUE sendQueue; |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1861 | qdf_nbuf_t netbuf = NULL; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1862 | int tx_resources; |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1863 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1864 | uint32_t data_attr = 0; |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 1865 | bool used_extra_tx_credit = false; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1866 | |
| 1867 | if (pPacket) { |
Jiachao Wu | 15a9474 | 2017-11-10 10:13:38 +0800 | [diff] [blame] | 1868 | if ((pPacket->Endpoint >= ENDPOINT_MAX) || |
| 1869 | (pPacket->Endpoint <= ENDPOINT_UNUSED)) { |
| 1870 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
| 1871 | ("%s endpoint is invalid\n", __func__)); |
| 1872 | AR_DEBUG_ASSERT(0); |
| 1873 | return QDF_STATUS_E_INVAL; |
| 1874 | } |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 1875 | pEndpoint = &target->endpoint[pPacket->Endpoint]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1876 | |
| 1877 | /* add HTC_FRAME_HDR in the initial fragment */ |
| 1878 | netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 1879 | pHtcHdr = (HTC_FRAME_HDR *) qdf_nbuf_get_frag_vaddr(netbuf, 0); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1880 | AR_DEBUG_ASSERT(pHtcHdr); |
| 1881 | |
| 1882 | HTC_WRITE32(pHtcHdr, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1883 | SM(pPacket->ActualLength, |
| 1884 | HTC_FRAME_HDR_PAYLOADLEN) | |
| 1885 | SM(pPacket->PktInfo.AsTx.SendFlags, |
| 1886 | HTC_FRAME_HDR_FLAGS) | |
| 1887 | SM(pPacket->Endpoint, |
| 1888 | HTC_FRAME_HDR_ENDPOINTID)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1889 | /* |
| 1890 | * If the HIF pipe for the data endpoint is polled rather than |
| 1891 | * interrupt-driven, this is a good point to check whether any |
| 1892 | * data previously sent through the HIF pipe have finished being |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1893 | * sent. Since this may result in callbacks to |
| 1894 | * htc_tx_completion_handler, which can take the HTC tx lock, |
| 1895 | * make the hif_send_complete_check call before acquiring the |
| 1896 | * HTC tx lock. |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1897 | * Call hif_send_complete_check directly, rather than calling |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1898 | * htc_send_complete_check, and call the PollTimerStart |
| 1899 | * separately after calling hif_send_head, so the timer will be |
| 1900 | * started to check for completion of the new outstanding |
| 1901 | * download (in the unexpected event that other polling calls |
| 1902 | * don't catch it). |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1903 | */ |
| 1904 | if (pEndpoint->ul_is_polled) { |
| 1905 | htc_send_complete_poll_timer_stop(pEndpoint); |
| 1906 | hif_send_complete_check(pEndpoint->target->hif_dev, |
| 1907 | pEndpoint->UL_PipeID, 0); |
| 1908 | } |
| 1909 | |
| 1910 | LOCK_HTC_TX(target); |
| 1911 | |
| 1912 | pPacket->PktInfo.AsTx.SeqNo = pEndpoint->SeqNo; |
| 1913 | pEndpoint->SeqNo++; |
| 1914 | |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 1915 | HTC_WRITE32(((uint32_t *) pHtcHdr) + 1, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1916 | SM(pPacket->PktInfo.AsTx.SeqNo, |
| 1917 | HTC_FRAME_HDR_CONTROLBYTES1)); |
| 1918 | |
| 1919 | /* append new packet to pEndpoint->TxQueue */ |
| 1920 | HTC_PACKET_ENQUEUE(&pEndpoint->TxQueue, pPacket); |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1921 | if (HTC_TX_BUNDLE_ENABLED(target) && (more_data)) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1922 | UNLOCK_HTC_TX(target); |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1923 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1924 | } |
wadesong | 31d77bc | 2017-05-28 14:45:21 +0800 | [diff] [blame] | 1925 | |
| 1926 | QDF_NBUF_UPDATE_TX_PKT_COUNT(netbuf, QDF_NBUF_TX_PKT_HTC); |
| 1927 | DPTRACE(qdf_dp_trace(netbuf, QDF_DP_TRACE_HTC_PACKET_PTR_RECORD, |
Nirav Shah | d9dce6e | 2018-02-26 14:50:25 +0530 | [diff] [blame] | 1928 | QDF_TRACE_DEFAULT_PDEV_ID, qdf_nbuf_data_addr(netbuf), |
wadesong | 31d77bc | 2017-05-28 14:45:21 +0800 | [diff] [blame] | 1929 | sizeof(qdf_nbuf_data(netbuf)), QDF_TX)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1930 | } else { |
| 1931 | LOCK_HTC_TX(target); |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 1932 | pEndpoint = &target->endpoint[1]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1933 | } |
| 1934 | |
| 1935 | /* increment tx processing count on entry */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1936 | qdf_atomic_inc(&pEndpoint->TxProcessCount); |
| 1937 | if (qdf_atomic_read(&pEndpoint->TxProcessCount) > 1) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1938 | /* |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1939 | * Another thread or task is draining the TX queues on this |
| 1940 | * endpoint. That thread will reset the tx processing count when |
| 1941 | * the queue is drained. |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1942 | */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 1943 | qdf_atomic_dec(&pEndpoint->TxProcessCount); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1944 | UNLOCK_HTC_TX(target); |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 1945 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1946 | } |
| 1947 | |
| 1948 | /***** beyond this point only 1 thread may enter ******/ |
| 1949 | |
| 1950 | INIT_HTC_PACKET_QUEUE(&sendQueue); |
| 1951 | if (IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
| 1952 | #if DEBUG_CREDIT |
| 1953 | int cred = pEndpoint->TxCredits; |
| 1954 | #endif |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1955 | get_htc_send_packets_credit_based(target, pEndpoint, |
| 1956 | &sendQueue); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1957 | #if DEBUG_CREDIT |
| 1958 | if (ep_debug_mask & (1 << pEndpoint->Id)) { |
| 1959 | if (cred - pEndpoint->TxCredits > 0) { |
| 1960 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 1961 | (" <HTC> Decrease EP%d %d - %d = %d credits.\n", |
| 1962 | pEndpoint->Id, cred, |
| 1963 | cred - pEndpoint->TxCredits, |
| 1964 | pEndpoint->TxCredits)); |
| 1965 | } |
| 1966 | } |
| 1967 | #endif |
| 1968 | UNLOCK_HTC_TX(target); |
| 1969 | } |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1970 | |
| 1971 | else if (HTC_TX_BUNDLE_ENABLED(target)) { |
Ajit Pal Singh | 3fcc082 | 2019-03-21 17:35:22 +0530 | [diff] [blame] | 1972 | if (hif_get_bus_type(target->hif_dev) == QDF_BUS_TYPE_USB) { |
| 1973 | if (hif_get_free_queue_number(target->hif_dev, |
| 1974 | pEndpoint->UL_PipeID)) |
| 1975 | /* |
| 1976 | * Header and payload belongs to the different |
| 1977 | * fragments and consume 2 resource for one HTC |
| 1978 | * package but USB combine into one transfer. |
| 1979 | */ |
| 1980 | get_htc_send_packets(target, pEndpoint, |
| 1981 | &sendQueue, |
| 1982 | HTC_MAX_MSG_PER_BUNDLE_TX |
| 1983 | * 2); |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1984 | } else { |
Ajit Pal Singh | 3fcc082 | 2019-03-21 17:35:22 +0530 | [diff] [blame] | 1985 | /* Dequeue max packets from endpoint tx queue */ |
| 1986 | get_htc_send_packets(target, pEndpoint, &sendQueue, |
| 1987 | HTC_MAX_TX_BUNDLE_SEND_LIMIT); |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 1988 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1989 | UNLOCK_HTC_TX(target); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1990 | } else { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1991 | /* |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1992 | * Now drain the endpoint TX queue for transmission as long as |
| 1993 | * we have enough transmit resources |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 1994 | */ |
| 1995 | tx_resources = |
| 1996 | hif_get_free_queue_number(target->hif_dev, |
| 1997 | pEndpoint->UL_PipeID); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 1998 | get_htc_send_packets(target, pEndpoint, &sendQueue, |
| 1999 | tx_resources); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2000 | UNLOCK_HTC_TX(target); |
| 2001 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2002 | |
| 2003 | /* send what we can */ |
| 2004 | while (true) { |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 2005 | if (HTC_TX_BUNDLE_ENABLED(target) && |
| 2006 | (HTC_PACKET_QUEUE_DEPTH(&sendQueue) >= |
| 2007 | HTC_MIN_MSG_PER_BUNDLE) && |
| 2008 | (hif_get_bus_type(target->hif_dev) == QDF_BUS_TYPE_SDIO || |
| 2009 | hif_get_bus_type(target->hif_dev) == QDF_BUS_TYPE_USB)) { |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 2010 | if (pEndpoint->EpCallBacks.ep_padding_credit_update) { |
| 2011 | if (htc_tx_pad_credit_avail(pEndpoint) < 1) { |
| 2012 | status = QDF_STATUS_E_RESOURCES; |
| 2013 | /* put the sendQueue back at the front |
| 2014 | * of pEndpoint->TxQueue |
| 2015 | */ |
| 2016 | LOCK_HTC_TX(target); |
| 2017 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD( |
| 2018 | &pEndpoint->TxQueue, |
| 2019 | &sendQueue); |
| 2020 | UNLOCK_HTC_TX(target); |
| 2021 | break; |
| 2022 | } |
| 2023 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2024 | htc_issue_packets_bundle(target, pEndpoint, &sendQueue); |
| 2025 | } |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 2026 | if (pEndpoint->EpCallBacks.ep_padding_credit_update) { |
| 2027 | if (htc_tx_pad_credit_avail(pEndpoint) < 1) { |
| 2028 | status = QDF_STATUS_E_RESOURCES; |
| 2029 | /* put the sendQueue back at the front |
| 2030 | * of pEndpoint->TxQueue |
| 2031 | */ |
| 2032 | LOCK_HTC_TX(target); |
| 2033 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD( |
| 2034 | &pEndpoint->TxQueue, |
| 2035 | &sendQueue); |
| 2036 | UNLOCK_HTC_TX(target); |
| 2037 | break; |
| 2038 | } |
| 2039 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2040 | pPacket = htc_packet_dequeue(&sendQueue); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 2041 | if (!pPacket) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2042 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2043 | netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket); |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 2044 | pHtcHdr = (HTC_FRAME_HDR *)qdf_nbuf_get_frag_vaddr(netbuf, 0); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2045 | |
| 2046 | LOCK_HTC_TX(target); |
| 2047 | /* store in look up queue to match completions */ |
| 2048 | HTC_PACKET_ENQUEUE(&pEndpoint->TxLookupQueue, pPacket); |
| 2049 | INC_HTC_EP_STAT(pEndpoint, TxIssued, 1); |
| 2050 | pEndpoint->ul_outstanding_cnt++; |
| 2051 | UNLOCK_HTC_TX(target); |
| 2052 | |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 2053 | used_extra_tx_credit = |
| 2054 | htc_handle_extra_tx_credit(pEndpoint, pPacket, |
| 2055 | (uint8_t *)pHtcHdr, |
| 2056 | NULL, |
| 2057 | pPacket->ActualLength |
| 2058 | + HTC_HDR_LENGTH); |
| 2059 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2060 | status = hif_send_head(target->hif_dev, |
| 2061 | pEndpoint->UL_PipeID, |
| 2062 | pEndpoint->Id, |
| 2063 | HTC_HDR_LENGTH + pPacket->ActualLength, |
| 2064 | netbuf, data_attr); |
Visweswara Tanuku | 957b63a | 2019-06-11 10:30:59 +0530 | [diff] [blame] | 2065 | if (status != QDF_STATUS_SUCCESS) { |
| 2066 | if (pEndpoint->EpCallBacks.ep_padding_credit_update) { |
| 2067 | if (used_extra_tx_credit) { |
| 2068 | pEndpoint->EpCallBacks. |
| 2069 | ep_padding_credit_update |
| 2070 | (pEndpoint->EpCallBacks.pContext, 1); |
| 2071 | } |
| 2072 | } |
| 2073 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2074 | #if DEBUG_BUNDLE |
Aditya Sathish | 648ce11 | 2018-07-02 16:41:39 +0530 | [diff] [blame] | 2075 | 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] | 2076 | pEndpoint->Id, |
| 2077 | pEndpoint->TxCreditSize, |
| 2078 | HTC_HDR_LENGTH + pPacket->ActualLength); |
| 2079 | #endif |
| 2080 | |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 2081 | htc_issue_tx_bundle_stats_inc(target); |
| 2082 | |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 2083 | if (qdf_unlikely(QDF_IS_STATUS_ERROR(status))) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2084 | LOCK_HTC_TX(target); |
| 2085 | pEndpoint->ul_outstanding_cnt--; |
| 2086 | /* remove this packet from the tx completion queue */ |
| 2087 | HTC_PACKET_REMOVE(&pEndpoint->TxLookupQueue, pPacket); |
| 2088 | |
| 2089 | /* |
| 2090 | * Don't bother reclaiming credits - HTC flow control |
| 2091 | * is not applicable to tx data. |
| 2092 | * In LL systems, there is no download flow control, |
| 2093 | * since there's virtually no download delay. |
| 2094 | * In HL systems, the txrx SW explicitly performs the |
| 2095 | * tx flow control. |
| 2096 | */ |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2097 | /* pEndpoint->TxCredits += |
| 2098 | * pPacket->PktInfo.AsTx.CreditsUsed; |
| 2099 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2100 | |
| 2101 | /* put this frame back at the front of the sendQueue */ |
| 2102 | HTC_PACKET_ENQUEUE_TO_HEAD(&sendQueue, pPacket); |
| 2103 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2104 | /* put the sendQueue back at the front of |
| 2105 | * pEndpoint->TxQueue |
| 2106 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2107 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD(&pEndpoint->TxQueue, |
| 2108 | &sendQueue); |
| 2109 | UNLOCK_HTC_TX(target); |
| 2110 | break; /* still need to reset TxProcessCount */ |
| 2111 | } |
| 2112 | } |
| 2113 | /* done with this endpoint, we can clear the count */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2114 | qdf_atomic_init(&pEndpoint->TxProcessCount); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2115 | |
| 2116 | if (pEndpoint->ul_is_polled) { |
| 2117 | /* |
| 2118 | * Start a cleanup timer to poll for download completion. |
| 2119 | * The download completion should be noticed promptly from |
| 2120 | * other polling calls, but the timer provides a safety net |
| 2121 | * in case other polling calls don't occur as expected. |
| 2122 | */ |
| 2123 | htc_send_complete_poll_timer_start(pEndpoint); |
| 2124 | } |
| 2125 | |
| 2126 | return status; |
| 2127 | } |
| 2128 | #endif /*ATH_11AC_TXCOMPACT */ |
Pratik Gandhi | dc82a77 | 2018-01-30 18:57:05 +0530 | [diff] [blame] | 2129 | qdf_export_symbol(htc_send_data_pkt); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2130 | |
| 2131 | /* |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 2132 | * In the adapted HIF layer, qdf_nbuf_t are passed between HIF and HTC, |
| 2133 | * since upper layers expects HTC_PACKET containers we use the completed netbuf |
| 2134 | * and lookup its corresponding HTC packet buffer from a lookup list. |
| 2135 | * This is extra overhead that can be fixed by re-aligning HIF interfaces |
| 2136 | * with HTC. |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2137 | * |
| 2138 | */ |
| 2139 | static HTC_PACKET *htc_lookup_tx_packet(HTC_TARGET *target, |
| 2140 | HTC_ENDPOINT *pEndpoint, |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 2141 | qdf_nbuf_t netbuf) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2142 | { |
| 2143 | HTC_PACKET *pPacket = NULL; |
| 2144 | HTC_PACKET *pFoundPacket = NULL; |
| 2145 | HTC_PACKET_QUEUE lookupQueue; |
| 2146 | |
| 2147 | INIT_HTC_PACKET_QUEUE(&lookupQueue); |
Govind Singh | c505cdc | 2017-05-16 12:15:51 +0530 | [diff] [blame] | 2148 | LOCK_HTC_EP_TX_LOOKUP(pEndpoint); |
| 2149 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2150 | LOCK_HTC_TX(target); |
| 2151 | |
| 2152 | /* mark that HIF has indicated the send complete for another packet */ |
| 2153 | pEndpoint->ul_outstanding_cnt--; |
| 2154 | |
| 2155 | /* Dequeue first packet directly because of in-order completion */ |
| 2156 | pPacket = htc_packet_dequeue(&pEndpoint->TxLookupQueue); |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2157 | if (qdf_unlikely(!pPacket)) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2158 | UNLOCK_HTC_TX(target); |
Govind Singh | c505cdc | 2017-05-16 12:15:51 +0530 | [diff] [blame] | 2159 | UNLOCK_HTC_EP_TX_LOOKUP(pEndpoint); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2160 | return NULL; |
| 2161 | } |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 2162 | if (netbuf == (qdf_nbuf_t) GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket)) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2163 | UNLOCK_HTC_TX(target); |
Govind Singh | c505cdc | 2017-05-16 12:15:51 +0530 | [diff] [blame] | 2164 | UNLOCK_HTC_EP_TX_LOOKUP(pEndpoint); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2165 | return pPacket; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2166 | } |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2167 | HTC_PACKET_ENQUEUE(&lookupQueue, pPacket); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2168 | |
| 2169 | /* |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2170 | * Move TX lookup queue to temp queue because most of packets that are |
| 2171 | * not index 0 are not top 10 packets. |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2172 | */ |
| 2173 | HTC_PACKET_QUEUE_TRANSFER_TO_TAIL(&lookupQueue, |
| 2174 | &pEndpoint->TxLookupQueue); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2175 | |
| 2176 | ITERATE_OVER_LIST_ALLOW_REMOVE(&lookupQueue.QueueHead, pPacket, |
| 2177 | HTC_PACKET, ListLink) { |
| 2178 | |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 2179 | if (!pPacket) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2180 | pFoundPacket = pPacket; |
| 2181 | break; |
| 2182 | } |
| 2183 | /* check for removal */ |
| 2184 | if (netbuf == |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 2185 | (qdf_nbuf_t) GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket)) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2186 | /* found it */ |
| 2187 | HTC_PACKET_REMOVE(&lookupQueue, pPacket); |
| 2188 | pFoundPacket = pPacket; |
| 2189 | break; |
| 2190 | } |
| 2191 | |
| 2192 | } |
| 2193 | ITERATE_END; |
| 2194 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2195 | HTC_PACKET_QUEUE_TRANSFER_TO_HEAD(&pEndpoint->TxLookupQueue, |
| 2196 | &lookupQueue); |
| 2197 | UNLOCK_HTC_TX(target); |
Govind Singh | c505cdc | 2017-05-16 12:15:51 +0530 | [diff] [blame] | 2198 | UNLOCK_HTC_EP_TX_LOOKUP(pEndpoint); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2199 | |
| 2200 | return pFoundPacket; |
| 2201 | } |
| 2202 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 2203 | /** |
| 2204 | * htc_tx_completion_handler() - htc tx completion handler |
| 2205 | * @Context: pointer to HTC_TARGET structure |
| 2206 | * @netbuf: pointer to netbuf for which completion handler is being called |
| 2207 | * @EpID: end point Id on which the packet was sent |
| 2208 | * @toeplitz_hash_result: toeplitz hash result |
| 2209 | * |
| 2210 | * Return: QDF_STATUS_SUCCESS for success or an appropriate QDF_STATUS error |
| 2211 | */ |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2212 | QDF_STATUS htc_tx_completion_handler(void *Context, |
Vishwajith Upendra | 70f8b6e | 2016-03-01 16:28:23 +0530 | [diff] [blame] | 2213 | qdf_nbuf_t netbuf, unsigned int EpID, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2214 | uint32_t toeplitz_hash_result) |
| 2215 | { |
| 2216 | HTC_TARGET *target = (HTC_TARGET *) Context; |
| 2217 | HTC_ENDPOINT *pEndpoint; |
| 2218 | HTC_PACKET *pPacket; |
| 2219 | #ifdef USB_HIF_SINGLE_PIPE_DATA_SCHED |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2220 | HTC_ENDPOINT_ID eid[DATA_EP_SIZE] = { ENDPOINT_5, ENDPOINT_4, |
| 2221 | ENDPOINT_2, ENDPOINT_3 }; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2222 | int epidIdx; |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 2223 | uint16_t resourcesThresh[DATA_EP_SIZE]; /* urb resources */ |
| 2224 | uint16_t resources; |
| 2225 | uint16_t resourcesMax; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2226 | #endif |
| 2227 | |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 2228 | pEndpoint = &target->endpoint[EpID]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2229 | target->TX_comp_cnt++; |
| 2230 | |
| 2231 | do { |
| 2232 | pPacket = htc_lookup_tx_packet(target, pEndpoint, netbuf); |
Jeff Johnson | 5a6cc79 | 2019-03-18 09:47:18 -0700 | [diff] [blame] | 2233 | if (!pPacket) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2234 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 2235 | ("HTC TX lookup failed!\n")); |
| 2236 | /* may have already been flushed and freed */ |
| 2237 | netbuf = NULL; |
| 2238 | break; |
| 2239 | } |
Houston Hoffman | c5141b0 | 2015-11-18 02:36:30 -0800 | [diff] [blame] | 2240 | if (pPacket->PktInfo.AsTx.Tag != HTC_TX_PACKET_TAG_AUTO_PM) |
| 2241 | hif_pm_runtime_put(target->hif_dev); |
| 2242 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2243 | if (pPacket->PktInfo.AsTx.Tag == HTC_TX_PACKET_TAG_BUNDLED) { |
| 2244 | HTC_PACKET *pPacketTemp; |
| 2245 | HTC_PACKET_QUEUE *pQueueSave = |
| 2246 | (HTC_PACKET_QUEUE *) pPacket->pContext; |
| 2247 | HTC_PACKET_QUEUE_ITERATE_ALLOW_REMOVE(pQueueSave, |
| 2248 | pPacketTemp) { |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 2249 | pPacket->Status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2250 | send_packet_completion(target, pPacketTemp); |
| 2251 | } |
| 2252 | HTC_PACKET_QUEUE_ITERATE_END; |
| 2253 | free_htc_bundle_packet(target, pPacket); |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 2254 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2255 | if (hif_get_bus_type(target->hif_dev) == |
| 2256 | QDF_BUS_TYPE_USB) { |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 2257 | if (!IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) |
| 2258 | htc_try_send(target, pEndpoint, NULL); |
| 2259 | } |
| 2260 | |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2261 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2262 | } |
| 2263 | /* will be giving this buffer back to upper layers */ |
| 2264 | netbuf = NULL; |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2265 | pPacket->Status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2266 | send_packet_completion(target, pPacket); |
| 2267 | |
| 2268 | } while (false); |
| 2269 | |
| 2270 | if (!IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2271 | /* note: when using TX credit flow, the re-checking of queues |
| 2272 | * happens when credits flow back from the target. In the non-TX |
| 2273 | * credit case, we recheck after the packet completes |
| 2274 | */ |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 2275 | if ((qdf_atomic_read(&pEndpoint->TxProcessCount) == 0) || |
Venkateswara Swamy Bandaru | ae41b9e | 2016-11-21 15:06:24 +0530 | [diff] [blame] | 2276 | (!pEndpoint->async_update)) { |
Venkateswara Swamy Bandaru | 9e66f4f | 2016-10-29 17:13:52 +0530 | [diff] [blame] | 2277 | htc_try_send(target, pEndpoint, NULL); |
| 2278 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2279 | } |
| 2280 | |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2281 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2282 | } |
| 2283 | |
Poddar, Siddarth | df03009 | 2016-04-28 11:41:57 +0530 | [diff] [blame] | 2284 | #ifdef WLAN_FEATURE_FASTPATH |
Houston Hoffman | 9348186 | 2016-05-05 18:49:59 -0700 | [diff] [blame] | 2285 | /** |
| 2286 | * htc_ctrl_msg_cmpl(): checks for tx completion for the endpoint specified |
| 2287 | * @HTC_HANDLE : pointer to the htc target context |
| 2288 | * @htc_ep_id : end point id |
| 2289 | * |
| 2290 | * checks HTC tx completion |
| 2291 | * |
| 2292 | * Return: none |
| 2293 | */ |
| 2294 | void htc_ctrl_msg_cmpl(HTC_HANDLE htc_pdev, HTC_ENDPOINT_ID htc_ep_id) |
| 2295 | { |
| 2296 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_pdev); |
| 2297 | HTC_ENDPOINT *pendpoint = &target->endpoint[htc_ep_id]; |
| 2298 | |
| 2299 | htc_send_complete_check(pendpoint, 1); |
| 2300 | } |
Pratik Gandhi | dc82a77 | 2018-01-30 18:57:05 +0530 | [diff] [blame] | 2301 | qdf_export_symbol(htc_ctrl_msg_cmpl); |
Houston Hoffman | 9348186 | 2016-05-05 18:49:59 -0700 | [diff] [blame] | 2302 | #endif |
| 2303 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2304 | /* callback when TX resources become available */ |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 2305 | void htc_tx_resource_avail_handler(void *context, uint8_t pipeID) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2306 | { |
| 2307 | int i; |
| 2308 | HTC_TARGET *target = (HTC_TARGET *) context; |
| 2309 | HTC_ENDPOINT *pEndpoint = NULL; |
| 2310 | |
| 2311 | for (i = 0; i < ENDPOINT_MAX; i++) { |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 2312 | pEndpoint = &target->endpoint[i]; |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 2313 | if (pEndpoint->service_id != 0) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2314 | if (pEndpoint->UL_PipeID == pipeID) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2315 | break; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2316 | } |
| 2317 | } |
| 2318 | |
| 2319 | if (i >= ENDPOINT_MAX) { |
| 2320 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 2321 | ("Invalid pipe indicated for TX resource avail : %d!\n", |
| 2322 | pipeID)); |
| 2323 | return; |
| 2324 | } |
| 2325 | |
| 2326 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2327 | ("HIF indicated more resources for pipe:%d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2328 | pipeID)); |
| 2329 | |
| 2330 | htc_try_send(target, pEndpoint, NULL); |
| 2331 | } |
| 2332 | |
Yue Ma | ec9e71c | 2016-02-26 18:52:20 -0800 | [diff] [blame] | 2333 | #ifdef FEATURE_RUNTIME_PM |
Houston Hoffman | 47e387b | 2015-10-20 17:04:42 -0700 | [diff] [blame] | 2334 | /** |
| 2335 | * htc_kick_queues(): resumes tx transactions of suspended endpoints |
| 2336 | * @context: pointer to the htc target context |
| 2337 | * |
Jeff Johnson | 4b253f0 | 2018-05-12 11:34:43 -0700 | [diff] [blame] | 2338 | * Iterates through the enpoints and provides a context to empty queues |
Houston Hoffman | 47e387b | 2015-10-20 17:04:42 -0700 | [diff] [blame] | 2339 | * int the hif layer when they are stalled due to runtime suspend. |
| 2340 | * |
| 2341 | * Return: none |
| 2342 | */ |
| 2343 | void htc_kick_queues(void *context) |
| 2344 | { |
| 2345 | int i; |
| 2346 | HTC_TARGET *target = (HTC_TARGET *)context; |
| 2347 | HTC_ENDPOINT *endpoint = NULL; |
| 2348 | |
| 2349 | for (i = 0; i < ENDPOINT_MAX; i++) { |
| 2350 | endpoint = &target->endpoint[i]; |
| 2351 | |
| 2352 | if (endpoint->service_id == 0) |
| 2353 | continue; |
| 2354 | |
| 2355 | if (endpoint->EpCallBacks.ep_resume_tx_queue) |
| 2356 | endpoint->EpCallBacks.ep_resume_tx_queue( |
| 2357 | endpoint->EpCallBacks.pContext); |
| 2358 | |
| 2359 | htc_try_send(target, endpoint, NULL); |
| 2360 | } |
Yue Ma | 9c6f84d | 2017-02-17 10:45:55 -0800 | [diff] [blame] | 2361 | |
| 2362 | hif_fastpath_resume(target->hif_dev); |
Houston Hoffman | 47e387b | 2015-10-20 17:04:42 -0700 | [diff] [blame] | 2363 | } |
Yue Ma | ec9e71c | 2016-02-26 18:52:20 -0800 | [diff] [blame] | 2364 | #endif |
Houston Hoffman | 47e387b | 2015-10-20 17:04:42 -0700 | [diff] [blame] | 2365 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2366 | /* flush endpoint TX queue */ |
| 2367 | void htc_flush_endpoint_tx(HTC_TARGET *target, HTC_ENDPOINT *pEndpoint, |
| 2368 | HTC_TX_TAG Tag) |
| 2369 | { |
| 2370 | HTC_PACKET *pPacket; |
| 2371 | |
| 2372 | LOCK_HTC_TX(target); |
| 2373 | while (HTC_PACKET_QUEUE_DEPTH(&pEndpoint->TxQueue)) { |
| 2374 | pPacket = htc_packet_dequeue(&pEndpoint->TxQueue); |
| 2375 | |
| 2376 | if (pPacket) { |
| 2377 | /* let the sender know the packet was not delivered */ |
Rakesh Pillai | 1314645 | 2017-06-22 12:52:31 +0530 | [diff] [blame] | 2378 | pPacket->Status = QDF_STATUS_E_CANCELED; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2379 | send_packet_completion(target, pPacket); |
| 2380 | } |
| 2381 | } |
| 2382 | UNLOCK_HTC_TX(target); |
| 2383 | } |
| 2384 | |
Alok Kumar | 9bd8152 | 2018-05-30 13:07:13 +0530 | [diff] [blame] | 2385 | /* flush pending entries in endpoint TX Lookup queue */ |
| 2386 | void htc_flush_endpoint_txlookupQ(HTC_TARGET *target, |
Zhang Qian | edaa387 | 2018-07-04 20:02:53 +0800 | [diff] [blame] | 2387 | HTC_ENDPOINT_ID endpoint_id, |
| 2388 | bool call_ep_callback) |
Alok Kumar | 9bd8152 | 2018-05-30 13:07:13 +0530 | [diff] [blame] | 2389 | { |
| 2390 | HTC_PACKET *packet; |
| 2391 | HTC_ENDPOINT *endpoint; |
| 2392 | |
| 2393 | endpoint = &target->endpoint[endpoint_id]; |
| 2394 | |
| 2395 | if (!endpoint && endpoint->service_id == 0) |
| 2396 | return; |
| 2397 | |
Debasis Das | 5e2539c | 2018-11-16 14:43:26 +0530 | [diff] [blame] | 2398 | LOCK_HTC_TX(target); |
Alok Kumar | 9bd8152 | 2018-05-30 13:07:13 +0530 | [diff] [blame] | 2399 | while (HTC_PACKET_QUEUE_DEPTH(&endpoint->TxLookupQueue)) { |
| 2400 | packet = htc_packet_dequeue(&endpoint->TxLookupQueue); |
| 2401 | |
| 2402 | if (packet) { |
Zhang Qian | edaa387 | 2018-07-04 20:02:53 +0800 | [diff] [blame] | 2403 | if (call_ep_callback == true) { |
| 2404 | packet->Status = QDF_STATUS_E_CANCELED; |
| 2405 | send_packet_completion(target, packet); |
| 2406 | } else { |
| 2407 | qdf_mem_free(packet); |
| 2408 | } |
Alok Kumar | 9bd8152 | 2018-05-30 13:07:13 +0530 | [diff] [blame] | 2409 | } |
| 2410 | } |
Debasis Das | 5e2539c | 2018-11-16 14:43:26 +0530 | [diff] [blame] | 2411 | UNLOCK_HTC_TX(target); |
Alok Kumar | 9bd8152 | 2018-05-30 13:07:13 +0530 | [diff] [blame] | 2412 | } |
| 2413 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2414 | /* HTC API to flush an endpoint's TX queue*/ |
| 2415 | void htc_flush_endpoint(HTC_HANDLE HTCHandle, HTC_ENDPOINT_ID Endpoint, |
| 2416 | HTC_TX_TAG Tag) |
| 2417 | { |
| 2418 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 2419 | HTC_ENDPOINT *pEndpoint = &target->endpoint[Endpoint]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2420 | |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 2421 | if (pEndpoint->service_id == 0) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2422 | AR_DEBUG_ASSERT(false); |
| 2423 | /* not in use.. */ |
| 2424 | return; |
| 2425 | } |
| 2426 | |
| 2427 | htc_flush_endpoint_tx(target, pEndpoint, Tag); |
| 2428 | } |
| 2429 | |
| 2430 | /* HTC API to indicate activity to the credit distribution function */ |
| 2431 | void htc_indicate_activity_change(HTC_HANDLE HTCHandle, |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 2432 | HTC_ENDPOINT_ID Endpoint, bool Active) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2433 | { |
| 2434 | /* TODO */ |
| 2435 | } |
| 2436 | |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 2437 | bool htc_is_endpoint_active(HTC_HANDLE HTCHandle, HTC_ENDPOINT_ID Endpoint) |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2438 | { |
| 2439 | return true; |
| 2440 | } |
| 2441 | |
gbian | b417db2 | 2016-09-30 17:01:07 +0800 | [diff] [blame] | 2442 | void htc_set_nodrop_pkt(HTC_HANDLE HTCHandle, A_BOOL isNodropPkt) |
| 2443 | { |
| 2444 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2445 | |
gbian | b417db2 | 2016-09-30 17:01:07 +0800 | [diff] [blame] | 2446 | target->is_nodrop_pkt = isNodropPkt; |
| 2447 | } |
| 2448 | |
Rakshith Suresh Patkar | 5aeabd6 | 2018-12-04 21:12:00 +0530 | [diff] [blame] | 2449 | void htc_enable_hdr_length_check(HTC_HANDLE htc_hdl, bool htc_hdr_length_check) |
| 2450 | { |
| 2451 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(htc_hdl); |
| 2452 | |
| 2453 | target->htc_hdr_length_check = htc_hdr_length_check; |
| 2454 | } |
| 2455 | |
Mohit Khanna | 0f6194e | 2016-05-17 15:30:44 -0700 | [diff] [blame] | 2456 | /** |
| 2457 | * htc_process_credit_rpt() - process credit report, call distribution function |
| 2458 | * @target: pointer to HTC_TARGET |
| 2459 | * @pRpt: pointer to HTC_CREDIT_REPORT |
| 2460 | * @NumEntries: number of entries in credit report |
| 2461 | * @FromEndpoint: endpoint for which credit report is received |
| 2462 | * |
| 2463 | * Return: A_OK for success or an appropriate A_STATUS error |
| 2464 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2465 | void htc_process_credit_rpt(HTC_TARGET *target, HTC_CREDIT_REPORT *pRpt, |
| 2466 | int NumEntries, HTC_ENDPOINT_ID FromEndpoint) |
| 2467 | { |
| 2468 | int i; |
| 2469 | HTC_ENDPOINT *pEndpoint; |
| 2470 | int totalCredits = 0; |
Yue Ma | b16cf30 | 2016-03-08 18:30:25 -0800 | [diff] [blame] | 2471 | uint8_t rpt_credits, rpt_ep_id; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2472 | |
| 2473 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2474 | ("+htc_process_credit_rpt, Credit Report Entries:%d\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2475 | NumEntries)); |
| 2476 | |
| 2477 | /* lock out TX while we update credits */ |
| 2478 | LOCK_HTC_TX(target); |
| 2479 | |
| 2480 | for (i = 0; i < NumEntries; i++, pRpt++) { |
| 2481 | |
| 2482 | rpt_ep_id = HTC_GET_FIELD(pRpt, HTC_CREDIT_REPORT, ENDPOINTID); |
| 2483 | |
| 2484 | if (rpt_ep_id >= ENDPOINT_MAX) { |
| 2485 | AR_DEBUG_ASSERT(false); |
| 2486 | break; |
| 2487 | } |
| 2488 | |
| 2489 | rpt_credits = HTC_GET_FIELD(pRpt, HTC_CREDIT_REPORT, CREDITS); |
| 2490 | |
Houston Hoffman | 29573d9 | 2015-10-20 17:49:44 -0700 | [diff] [blame] | 2491 | pEndpoint = &target->endpoint[rpt_ep_id]; |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2492 | #if DEBUG_CREDIT |
| 2493 | if (ep_debug_mask & (1 << pEndpoint->Id)) { |
| 2494 | AR_DEBUG_PRINTF(ATH_DEBUG_ERR, |
| 2495 | (" <HTC> Increase EP%d %d + %d = %d credits\n", |
| 2496 | rpt_ep_id, pEndpoint->TxCredits, |
| 2497 | rpt_credits, |
| 2498 | pEndpoint->TxCredits + rpt_credits)); |
| 2499 | } |
| 2500 | #endif |
| 2501 | |
| 2502 | #ifdef HTC_EP_STAT_PROFILING |
| 2503 | |
| 2504 | INC_HTC_EP_STAT(pEndpoint, TxCreditRpts, 1); |
| 2505 | INC_HTC_EP_STAT(pEndpoint, TxCreditsReturned, rpt_credits); |
| 2506 | |
| 2507 | if (FromEndpoint == rpt_ep_id) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2508 | /* this credit report arrived on the same endpoint |
| 2509 | * indicating it arrived in an RX packet |
| 2510 | */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2511 | INC_HTC_EP_STAT(pEndpoint, TxCreditsFromRx, |
| 2512 | rpt_credits); |
| 2513 | INC_HTC_EP_STAT(pEndpoint, TxCreditRptsFromRx, 1); |
| 2514 | } else if (FromEndpoint == ENDPOINT_0) { |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2515 | /* this credit arrived on endpoint 0 as a NULL msg */ |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2516 | INC_HTC_EP_STAT(pEndpoint, TxCreditsFromEp0, |
| 2517 | rpt_credits); |
| 2518 | INC_HTC_EP_STAT(pEndpoint, TxCreditRptsFromEp0, 1); |
| 2519 | } else { |
| 2520 | /* arrived on another endpoint */ |
| 2521 | INC_HTC_EP_STAT(pEndpoint, TxCreditsFromOther, |
| 2522 | rpt_credits); |
| 2523 | INC_HTC_EP_STAT(pEndpoint, TxCreditRptsFromOther, 1); |
| 2524 | } |
| 2525 | |
| 2526 | #endif |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2527 | |
Houston Hoffman | 4f2f459 | 2015-10-20 18:00:29 -0700 | [diff] [blame] | 2528 | if (pEndpoint->service_id == WMI_CONTROL_SVC) { |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2529 | htc_credit_record(HTC_PROCESS_CREDIT_REPORT, |
Dustin Brown | f74576c | 2018-03-12 14:22:51 -0700 | [diff] [blame] | 2530 | pEndpoint->TxCredits + rpt_credits, |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2531 | HTC_PACKET_QUEUE_DEPTH(&pEndpoint-> |
Rachit Kankane | 1bc1149 | 2018-01-24 18:48:17 +0530 | [diff] [blame] | 2532 | TxQueue)); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2533 | } |
Dustin Brown | f74576c | 2018-03-12 14:22:51 -0700 | [diff] [blame] | 2534 | |
| 2535 | pEndpoint->TxCredits += rpt_credits; |
| 2536 | |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2537 | if (pEndpoint->TxCredits |
| 2538 | && HTC_PACKET_QUEUE_DEPTH(&pEndpoint->TxQueue)) { |
| 2539 | UNLOCK_HTC_TX(target); |
| 2540 | #ifdef ATH_11AC_TXCOMPACT |
| 2541 | htc_try_send(target, pEndpoint, NULL); |
| 2542 | #else |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2543 | if (pEndpoint->service_id == HTT_DATA_MSG_SVC) |
Himanshu Batra | 032d352 | 2019-07-10 12:36:06 +0530 | [diff] [blame] | 2544 | htc_send_data_pkt((HTC_HANDLE)target, NULL, 0); |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2545 | else |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2546 | htc_try_send(target, pEndpoint, NULL); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2547 | #endif |
| 2548 | LOCK_HTC_TX(target); |
| 2549 | } |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2550 | totalCredits += rpt_credits; |
| 2551 | } |
| 2552 | |
| 2553 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2554 | (" Report indicated %d credits to distribute\n", |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2555 | totalCredits)); |
| 2556 | |
| 2557 | UNLOCK_HTC_TX(target); |
| 2558 | |
Manikandan Mohan | e3e209e | 2017-04-13 20:19:26 -0700 | [diff] [blame] | 2559 | AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("-htc_process_credit_rpt\n")); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2560 | } |
| 2561 | |
| 2562 | /* function to fetch stats from htc layer*/ |
| 2563 | struct ol_ath_htc_stats *ieee80211_ioctl_get_htc_stats(HTC_HANDLE HTCHandle) |
| 2564 | { |
| 2565 | HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); |
| 2566 | |
Chouhan, Anurag | fc06aa9 | 2016-03-03 19:05:05 +0530 | [diff] [blame] | 2567 | return &(target->htc_pkt_stats); |
Prakash Dhavali | d5c9f1c | 2015-11-08 19:04:44 -0800 | [diff] [blame] | 2568 | } |