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