Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1 | /* |
Sravan Kumar Kairam | 9d6acea | 2019-05-13 18:14:59 +0530 | [diff] [blame] | 2 | * Copyright (c) 2016-2019 The Linux Foundation. All rights reserved. |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3 | * |
| 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 | |
| 19 | #include "htt.h" |
Balamurugan Mahalingam | d015964 | 2018-07-11 15:02:29 +0530 | [diff] [blame] | 20 | #include "hal_hw_headers.h" |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 21 | #include "dp_tx.h" |
| 22 | #include "dp_tx_desc.h" |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 23 | #include "dp_peer.h" |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 24 | #include "dp_types.h" |
| 25 | #include "hal_tx.h" |
| 26 | #include "qdf_mem.h" |
| 27 | #include "qdf_nbuf.h" |
Pamidipati, Vijay | ef2cbc6 | 2017-09-27 23:09:06 +0530 | [diff] [blame] | 28 | #include "qdf_net_types.h" |
Ravi Joshi | af9ace8 | 2017-02-17 12:41:48 -0800 | [diff] [blame] | 29 | #include <wlan_cfg.h> |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 30 | #ifdef MESH_MODE_SUPPORT |
| 31 | #include "if_meta_hdr.h" |
| 32 | #endif |
Srinivas Girigowda | 99f2a29 | 2019-02-12 14:20:58 -0800 | [diff] [blame] | 33 | #include "enet.h" |
nobelj | debe2b3 | 2019-04-23 11:18:47 -0700 | [diff] [blame] | 34 | #include "dp_internal.h" |
Amir Patel | cb99026 | 2019-05-28 15:12:48 +0530 | [diff] [blame^] | 35 | #ifdef FEATURE_WDS |
| 36 | #include "dp_txrx_wds.h" |
| 37 | #endif |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 38 | |
Prathyusha Guduri | 02ed948 | 2018-04-17 19:06:30 +0530 | [diff] [blame] | 39 | #define DP_TX_QUEUE_MASK 0x3 |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 40 | |
| 41 | /* TODO Add support in TSO */ |
| 42 | #define DP_DESC_NUM_FRAG(x) 0 |
Ankit Gupta | 20e5958 | 2016-12-06 14:24:00 -0800 | [diff] [blame] | 43 | |
| 44 | /* disable TQM_BYPASS */ |
Dhanashri Atre | 10a9323 | 2016-11-11 18:47:05 -0800 | [diff] [blame] | 45 | #define TQM_BYPASS_WAR 0 |
Ankit Gupta | 20e5958 | 2016-12-06 14:24:00 -0800 | [diff] [blame] | 46 | |
Ruchi, Agrawal | bd894b3 | 2017-11-03 17:24:56 +0530 | [diff] [blame] | 47 | /* invalid peer id for reinject*/ |
| 48 | #define DP_INVALID_PEER 0XFFFE |
| 49 | |
ruchi agrawal | 45f3ac4 | 2017-10-25 09:03:28 +0530 | [diff] [blame] | 50 | /*mapping between hal encrypt type and cdp_sec_type*/ |
| 51 | #define MAX_CDP_SEC_TYPE 12 |
| 52 | static const uint8_t sec_type_map[MAX_CDP_SEC_TYPE] = { |
| 53 | HAL_TX_ENCRYPT_TYPE_NO_CIPHER, |
| 54 | HAL_TX_ENCRYPT_TYPE_WEP_128, |
| 55 | HAL_TX_ENCRYPT_TYPE_WEP_104, |
| 56 | HAL_TX_ENCRYPT_TYPE_WEP_40, |
| 57 | HAL_TX_ENCRYPT_TYPE_TKIP_WITH_MIC, |
| 58 | HAL_TX_ENCRYPT_TYPE_TKIP_NO_MIC, |
| 59 | HAL_TX_ENCRYPT_TYPE_AES_CCMP_128, |
| 60 | HAL_TX_ENCRYPT_TYPE_WAPI, |
| 61 | HAL_TX_ENCRYPT_TYPE_AES_CCMP_256, |
| 62 | HAL_TX_ENCRYPT_TYPE_AES_GCMP_128, |
| 63 | HAL_TX_ENCRYPT_TYPE_AES_GCMP_256, |
| 64 | HAL_TX_ENCRYPT_TYPE_WAPI_GCM_SM4}; |
| 65 | |
nobelj | debe2b3 | 2019-04-23 11:18:47 -0700 | [diff] [blame] | 66 | #ifdef WLAN_TX_PKT_CAPTURE_ENH |
| 67 | #include "dp_tx_capture.h" |
| 68 | #endif |
| 69 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 70 | /** |
| 71 | * dp_tx_get_queue() - Returns Tx queue IDs to be used for this Tx frame |
| 72 | * @vdev: DP Virtual device handle |
| 73 | * @nbuf: Buffer pointer |
| 74 | * @queue: queue ids container for nbuf |
| 75 | * |
| 76 | * TX packet queue has 2 instances, software descriptors id and dma ring id |
| 77 | * Based on tx feature and hardware configuration queue id combination could be |
| 78 | * different. |
| 79 | * For example - |
| 80 | * With XPS enabled,all TX descriptor pools and dma ring are assigned per cpu id |
| 81 | * With no XPS,lock based resource protection, Descriptor pool ids are different |
| 82 | * for each vdev, dma ring id will be same as single pdev id |
| 83 | * |
| 84 | * Return: None |
| 85 | */ |
Prathyusha Guduri | 02ed948 | 2018-04-17 19:06:30 +0530 | [diff] [blame] | 86 | #ifdef QCA_OL_TX_MULTIQ_SUPPORT |
| 87 | static inline void dp_tx_get_queue(struct dp_vdev *vdev, |
| 88 | qdf_nbuf_t nbuf, struct dp_tx_queue *queue) |
| 89 | { |
| 90 | uint16_t queue_offset = qdf_nbuf_get_queue_mapping(nbuf) & DP_TX_QUEUE_MASK; |
| 91 | queue->desc_pool_id = queue_offset; |
| 92 | queue->ring_id = vdev->pdev->soc->tx_ring_map[queue_offset]; |
| 93 | |
| 94 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG, |
| 95 | "%s, pool_id:%d ring_id: %d", |
| 96 | __func__, queue->desc_pool_id, queue->ring_id); |
| 97 | |
| 98 | return; |
| 99 | } |
| 100 | #else /* QCA_OL_TX_MULTIQ_SUPPORT */ |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 101 | static inline void dp_tx_get_queue(struct dp_vdev *vdev, |
| 102 | qdf_nbuf_t nbuf, struct dp_tx_queue *queue) |
| 103 | { |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 104 | /* get flow id */ |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 105 | queue->desc_pool_id = DP_TX_GET_DESC_POOL_ID(vdev); |
| 106 | queue->ring_id = DP_TX_GET_RING_ID(vdev); |
| 107 | |
Houston Hoffman | 41b912c | 2017-08-30 14:27:51 -0700 | [diff] [blame] | 108 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG, |
Yun Park | b9a7b5a | 2017-09-06 14:34:58 -0700 | [diff] [blame] | 109 | "%s, pool_id:%d ring_id: %d", |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 110 | __func__, queue->desc_pool_id, queue->ring_id); |
| 111 | |
| 112 | return; |
| 113 | } |
Prathyusha Guduri | 02ed948 | 2018-04-17 19:06:30 +0530 | [diff] [blame] | 114 | #endif |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 115 | |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 116 | #if defined(FEATURE_TSO) |
| 117 | /** |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 118 | * dp_tx_tso_unmap_segment() - Unmap TSO segment |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 119 | * |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 120 | * @soc - core txrx main context |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 121 | * @seg_desc - tso segment descriptor |
| 122 | * @num_seg_desc - tso number segment descriptor |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 123 | */ |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 124 | static void dp_tx_tso_unmap_segment( |
| 125 | struct dp_soc *soc, |
| 126 | struct qdf_tso_seg_elem_t *seg_desc, |
| 127 | struct qdf_tso_num_seg_elem_t *num_seg_desc) |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 128 | { |
| 129 | TSO_DEBUG("%s: Unmap the tso segment", __func__); |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 130 | if (qdf_unlikely(!seg_desc)) { |
| 131 | DP_TRACE(ERROR, "%s %d TSO desc is NULL!", |
| 132 | __func__, __LINE__); |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 133 | qdf_assert(0); |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 134 | } else if (qdf_unlikely(!num_seg_desc)) { |
| 135 | DP_TRACE(ERROR, "%s %d TSO num desc is NULL!", |
| 136 | __func__, __LINE__); |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 137 | qdf_assert(0); |
| 138 | } else { |
| 139 | bool is_last_seg; |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 140 | /* no tso segment left to do dma unmap */ |
| 141 | if (num_seg_desc->num_seg.tso_cmn_num_seg < 1) |
| 142 | return; |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 143 | |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 144 | is_last_seg = (num_seg_desc->num_seg.tso_cmn_num_seg == 1) ? |
| 145 | true : false; |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 146 | qdf_nbuf_unmap_tso_segment(soc->osdev, |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 147 | seg_desc, is_last_seg); |
| 148 | num_seg_desc->num_seg.tso_cmn_num_seg--; |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 149 | } |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * dp_tx_tso_desc_release() - Release the tso segment and tso_cmn_num_seg |
| 154 | * back to the freelist |
| 155 | * |
| 156 | * @soc - soc device handle |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 157 | * @tx_desc - Tx software descriptor |
| 158 | */ |
| 159 | static void dp_tx_tso_desc_release(struct dp_soc *soc, |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 160 | struct dp_tx_desc_s *tx_desc) |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 161 | { |
| 162 | TSO_DEBUG("%s: Free the tso descriptor", __func__); |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 163 | if (qdf_unlikely(!tx_desc->tso_desc)) { |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 164 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 165 | "%s %d TSO desc is NULL!", |
| 166 | __func__, __LINE__); |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 167 | qdf_assert(0); |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 168 | } else if (qdf_unlikely(!tx_desc->tso_num_desc)) { |
| 169 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 170 | "%s %d TSO num desc is NULL!", |
| 171 | __func__, __LINE__); |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 172 | qdf_assert(0); |
| 173 | } else { |
| 174 | struct qdf_tso_num_seg_elem_t *tso_num_desc = |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 175 | (struct qdf_tso_num_seg_elem_t *)tx_desc->tso_num_desc; |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 176 | |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 177 | /* Add the tso num segment into the free list */ |
| 178 | if (tso_num_desc->num_seg.tso_cmn_num_seg == 0) { |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 179 | dp_tso_num_seg_free(soc, tx_desc->pool_id, |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 180 | tx_desc->tso_num_desc); |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 181 | tx_desc->tso_num_desc = NULL; |
| 182 | } |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 183 | |
| 184 | /* Add the tso segment into the free list*/ |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 185 | dp_tx_tso_desc_free(soc, |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 186 | tx_desc->pool_id, tx_desc->tso_desc); |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 187 | tx_desc->tso_desc = NULL; |
| 188 | } |
| 189 | } |
| 190 | #else |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 191 | static void dp_tx_tso_unmap_segment( |
| 192 | struct dp_soc *soc, |
| 193 | struct qdf_tso_seg_elem_t *seg_desc, |
| 194 | struct qdf_tso_num_seg_elem_t *num_seg_desc) |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 195 | |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 196 | { |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 197 | } |
| 198 | |
| 199 | static void dp_tx_tso_desc_release(struct dp_soc *soc, |
| 200 | struct dp_tx_desc_s *tx_desc) |
| 201 | { |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 202 | } |
| 203 | #endif |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 204 | /** |
| 205 | * dp_tx_desc_release() - Release Tx Descriptor |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 206 | * @tx_desc : Tx Descriptor |
| 207 | * @desc_pool_id: Descriptor Pool ID |
| 208 | * |
| 209 | * Deallocate all resources attached to Tx descriptor and free the Tx |
| 210 | * descriptor. |
| 211 | * |
| 212 | * Return: |
| 213 | */ |
Chaithanya Garrepalli | ef40fec | 2019-05-16 22:26:05 +0530 | [diff] [blame] | 214 | static void |
Ravi Joshi | ab33d9b | 2017-02-11 21:43:28 -0800 | [diff] [blame] | 215 | dp_tx_desc_release(struct dp_tx_desc_s *tx_desc, uint8_t desc_pool_id) |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 216 | { |
Ravi Joshi | ab33d9b | 2017-02-11 21:43:28 -0800 | [diff] [blame] | 217 | struct dp_pdev *pdev = tx_desc->pdev; |
| 218 | struct dp_soc *soc; |
Debashis Dutt | af64522 | 2017-01-20 19:29:25 -0800 | [diff] [blame] | 219 | uint8_t comp_status = 0; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 220 | |
Ravi Joshi | ab33d9b | 2017-02-11 21:43:28 -0800 | [diff] [blame] | 221 | qdf_assert(pdev); |
| 222 | |
| 223 | soc = pdev->soc; |
Ishank Jain | bc2d91f | 2017-01-03 18:14:54 +0530 | [diff] [blame] | 224 | |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 225 | if (tx_desc->frm_type == dp_tx_frm_tso) |
| 226 | dp_tx_tso_desc_release(soc, tx_desc); |
| 227 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 228 | if (tx_desc->flags & DP_TX_DESC_FLAG_FRAG) |
| 229 | dp_tx_ext_desc_free(soc, tx_desc->msdu_ext_desc, desc_pool_id); |
| 230 | |
Ruchi, Agrawal | c0f9c97 | 2018-02-02 11:24:05 +0530 | [diff] [blame] | 231 | if (tx_desc->flags & DP_TX_DESC_FLAG_ME) |
| 232 | dp_tx_me_free_buf(tx_desc->pdev, tx_desc->me_buffer); |
| 233 | |
Vijay Pamidipati | 4d5d436 | 2017-02-09 22:49:00 +0530 | [diff] [blame] | 234 | qdf_atomic_dec(&pdev->num_tx_outstanding); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 235 | |
| 236 | if (tx_desc->flags & DP_TX_DESC_FLAG_TO_FW) |
Vijay Pamidipati | 4d5d436 | 2017-02-09 22:49:00 +0530 | [diff] [blame] | 237 | qdf_atomic_dec(&pdev->num_tx_exception); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 238 | |
Debashis Dutt | af64522 | 2017-01-20 19:29:25 -0800 | [diff] [blame] | 239 | if (HAL_TX_COMP_RELEASE_SOURCE_TQM == |
| 240 | hal_tx_comp_get_buffer_source(&tx_desc->comp)) |
Balamurugan Mahalingam | 764219e | 2018-09-17 15:34:25 +0530 | [diff] [blame] | 241 | comp_status = hal_tx_comp_get_release_reason(&tx_desc->comp, |
| 242 | soc->hal_soc); |
Debashis Dutt | af64522 | 2017-01-20 19:29:25 -0800 | [diff] [blame] | 243 | else |
| 244 | comp_status = HAL_TX_COMP_RELEASE_REASON_FW; |
| 245 | |
Houston Hoffman | 41b912c | 2017-08-30 14:27:51 -0700 | [diff] [blame] | 246 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG, |
Yun Park | b9a7b5a | 2017-09-06 14:34:58 -0700 | [diff] [blame] | 247 | "Tx Completion Release desc %d status %d outstanding %d", |
| 248 | tx_desc->id, comp_status, |
| 249 | qdf_atomic_read(&pdev->num_tx_outstanding)); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 250 | |
| 251 | dp_tx_desc_free(soc, tx_desc, desc_pool_id); |
| 252 | return; |
| 253 | } |
| 254 | |
| 255 | /** |
| 256 | * dp_tx_htt_metadata_prepare() - Prepare HTT metadata for special frames |
| 257 | * @vdev: DP vdev Handle |
| 258 | * @nbuf: skb |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 259 | * |
| 260 | * Prepares and fills HTT metadata in the frame pre-header for special frames |
| 261 | * that should be transmitted using varying transmit parameters. |
| 262 | * There are 2 VDEV modes that currently needs this special metadata - |
| 263 | * 1) Mesh Mode |
| 264 | * 2) DSRC Mode |
| 265 | * |
| 266 | * Return: HTT metadata size |
| 267 | * |
| 268 | */ |
Jeff Johnson | 755f261 | 2017-01-05 16:28:13 -0800 | [diff] [blame] | 269 | static uint8_t dp_tx_prepare_htt_metadata(struct dp_vdev *vdev, qdf_nbuf_t nbuf, |
Pamidipati, Vijay | 8a4e27c | 2017-04-06 01:04:08 +0530 | [diff] [blame] | 270 | uint32_t *meta_data) |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 271 | { |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 272 | struct htt_tx_msdu_desc_ext2_t *desc_ext = |
| 273 | (struct htt_tx_msdu_desc_ext2_t *) meta_data; |
Pamidipati, Vijay | 8a4e27c | 2017-04-06 01:04:08 +0530 | [diff] [blame] | 274 | |
| 275 | uint8_t htt_desc_size; |
| 276 | |
| 277 | /* Size rounded of multiple of 8 bytes */ |
| 278 | uint8_t htt_desc_size_aligned; |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 279 | |
| 280 | uint8_t *hdr = NULL; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 281 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 282 | /* |
| 283 | * Metadata - HTT MSDU Extension header |
| 284 | */ |
| 285 | htt_desc_size = sizeof(struct htt_tx_msdu_desc_ext2_t); |
Pamidipati, Vijay | 8a4e27c | 2017-04-06 01:04:08 +0530 | [diff] [blame] | 286 | htt_desc_size_aligned = (htt_desc_size + 7) & ~0x7; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 287 | |
| 288 | if (vdev->mesh_vdev) { |
Venkateswara Swamy Bandaru | 41ebb33 | 2018-09-12 18:25:29 +0530 | [diff] [blame] | 289 | if (qdf_unlikely(qdf_nbuf_headroom(nbuf) < |
| 290 | htt_desc_size_aligned)) { |
| 291 | DP_STATS_INC(vdev, |
| 292 | tx_i.dropped.headroom_insufficient, 1); |
| 293 | return 0; |
| 294 | } |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 295 | /* Fill and add HTT metaheader */ |
Pamidipati, Vijay | 8a4e27c | 2017-04-06 01:04:08 +0530 | [diff] [blame] | 296 | hdr = qdf_nbuf_push_head(nbuf, htt_desc_size_aligned); |
Jeff Johnson | a8edf33 | 2019-03-18 09:51:52 -0700 | [diff] [blame] | 297 | if (!hdr) { |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 298 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 299 | "Error in filling HTT metadata"); |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 300 | |
| 301 | return 0; |
| 302 | } |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 303 | qdf_mem_copy(hdr, desc_ext, htt_desc_size); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 304 | |
| 305 | } else if (vdev->opmode == wlan_op_mode_ocb) { |
| 306 | /* Todo - Add support for DSRC */ |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 307 | } |
| 308 | |
Pamidipati, Vijay | 8a4e27c | 2017-04-06 01:04:08 +0530 | [diff] [blame] | 309 | return htt_desc_size_aligned; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 310 | } |
| 311 | |
| 312 | /** |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 313 | * dp_tx_prepare_tso_ext_desc() - Prepare MSDU extension descriptor for TSO |
| 314 | * @tso_seg: TSO segment to process |
| 315 | * @ext_desc: Pointer to MSDU extension descriptor |
| 316 | * |
| 317 | * Return: void |
| 318 | */ |
| 319 | #if defined(FEATURE_TSO) |
| 320 | static void dp_tx_prepare_tso_ext_desc(struct qdf_tso_seg_t *tso_seg, |
| 321 | void *ext_desc) |
| 322 | { |
| 323 | uint8_t num_frag; |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 324 | uint32_t tso_flags; |
| 325 | |
| 326 | /* |
| 327 | * Set tso_en, tcp_flags(NS, CWR, ECE, URG, ACK, PSH, RST, SYN, FIN), |
| 328 | * tcp_flag_mask |
| 329 | * |
| 330 | * Checksum enable flags are set in TCL descriptor and not in Extension |
| 331 | * Descriptor (H/W ignores checksum_en flags in MSDU ext descriptor) |
| 332 | */ |
| 333 | tso_flags = *(uint32_t *) &tso_seg->tso_flags; |
| 334 | |
| 335 | hal_tx_ext_desc_set_tso_flags(ext_desc, tso_flags); |
| 336 | |
| 337 | hal_tx_ext_desc_set_msdu_length(ext_desc, tso_seg->tso_flags.l2_len, |
| 338 | tso_seg->tso_flags.ip_len); |
| 339 | |
| 340 | hal_tx_ext_desc_set_tcp_seq(ext_desc, tso_seg->tso_flags.tcp_seq_num); |
| 341 | hal_tx_ext_desc_set_ip_id(ext_desc, tso_seg->tso_flags.ip_id); |
| 342 | |
| 343 | |
| 344 | for (num_frag = 0; num_frag < tso_seg->num_frags; num_frag++) { |
| 345 | uint32_t lo = 0; |
| 346 | uint32_t hi = 0; |
| 347 | |
| 348 | qdf_dmaaddr_to_32s( |
| 349 | tso_seg->tso_frags[num_frag].paddr, &lo, &hi); |
| 350 | hal_tx_ext_desc_set_buffer(ext_desc, num_frag, lo, hi, |
| 351 | tso_seg->tso_frags[num_frag].length); |
| 352 | } |
| 353 | |
| 354 | return; |
| 355 | } |
| 356 | #else |
| 357 | static void dp_tx_prepare_tso_ext_desc(struct qdf_tso_seg_t *tso_seg, |
| 358 | void *ext_desc) |
| 359 | { |
| 360 | return; |
| 361 | } |
| 362 | #endif |
| 363 | |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 364 | #if defined(FEATURE_TSO) |
| 365 | /** |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 366 | * dp_tx_free_tso_seg_list() - Loop through the tso segments |
| 367 | * allocated and free them |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 368 | * |
| 369 | * @soc: soc handle |
| 370 | * @free_seg: list of tso segments |
| 371 | * @msdu_info: msdu descriptor |
| 372 | * |
| 373 | * Return - void |
| 374 | */ |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 375 | static void dp_tx_free_tso_seg_list( |
| 376 | struct dp_soc *soc, |
| 377 | struct qdf_tso_seg_elem_t *free_seg, |
| 378 | struct dp_tx_msdu_info_s *msdu_info) |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 379 | { |
| 380 | struct qdf_tso_seg_elem_t *next_seg; |
| 381 | |
| 382 | while (free_seg) { |
| 383 | next_seg = free_seg->next; |
| 384 | dp_tx_tso_desc_free(soc, |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 385 | msdu_info->tx_queue.desc_pool_id, |
| 386 | free_seg); |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 387 | free_seg = next_seg; |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | /** |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 392 | * dp_tx_free_tso_num_seg_list() - Loop through the tso num segments |
| 393 | * allocated and free them |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 394 | * |
| 395 | * @soc: soc handle |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 396 | * @free_num_seg: list of tso number segments |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 397 | * @msdu_info: msdu descriptor |
| 398 | * Return - void |
| 399 | */ |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 400 | static void dp_tx_free_tso_num_seg_list( |
| 401 | struct dp_soc *soc, |
| 402 | struct qdf_tso_num_seg_elem_t *free_num_seg, |
| 403 | struct dp_tx_msdu_info_s *msdu_info) |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 404 | { |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 405 | struct qdf_tso_num_seg_elem_t *next_num_seg; |
| 406 | |
| 407 | while (free_num_seg) { |
| 408 | next_num_seg = free_num_seg->next; |
| 409 | dp_tso_num_seg_free(soc, |
| 410 | msdu_info->tx_queue.desc_pool_id, |
| 411 | free_num_seg); |
| 412 | free_num_seg = next_num_seg; |
| 413 | } |
| 414 | } |
| 415 | |
| 416 | /** |
| 417 | * dp_tx_unmap_tso_seg_list() - Loop through the tso segments |
| 418 | * do dma unmap for each segment |
| 419 | * |
| 420 | * @soc: soc handle |
| 421 | * @free_seg: list of tso segments |
| 422 | * @num_seg_desc: tso number segment descriptor |
| 423 | * |
| 424 | * Return - void |
| 425 | */ |
| 426 | static void dp_tx_unmap_tso_seg_list( |
| 427 | struct dp_soc *soc, |
| 428 | struct qdf_tso_seg_elem_t *free_seg, |
| 429 | struct qdf_tso_num_seg_elem_t *num_seg_desc) |
| 430 | { |
| 431 | struct qdf_tso_seg_elem_t *next_seg; |
| 432 | |
| 433 | if (qdf_unlikely(!num_seg_desc)) { |
| 434 | DP_TRACE(ERROR, "TSO number seg desc is NULL!"); |
| 435 | return; |
| 436 | } |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 437 | |
| 438 | while (free_seg) { |
| 439 | next_seg = free_seg->next; |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 440 | dp_tx_tso_unmap_segment(soc, free_seg, num_seg_desc); |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 441 | free_seg = next_seg; |
| 442 | } |
| 443 | } |
| 444 | |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 445 | /** |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 446 | * dp_tx_free_remaining_tso_desc() - do dma unmap for tso segments if any, |
| 447 | * free the tso segments descriptor and |
| 448 | * tso num segments descriptor |
| 449 | * |
| 450 | * @soc: soc handle |
| 451 | * @msdu_info: msdu descriptor |
| 452 | * @tso_seg_unmap: flag to show if dma unmap is necessary |
| 453 | * |
| 454 | * Return - void |
| 455 | */ |
| 456 | static void dp_tx_free_remaining_tso_desc(struct dp_soc *soc, |
| 457 | struct dp_tx_msdu_info_s *msdu_info, |
| 458 | bool tso_seg_unmap) |
| 459 | { |
| 460 | struct qdf_tso_info_t *tso_info = &msdu_info->u.tso_info; |
| 461 | struct qdf_tso_seg_elem_t *free_seg = tso_info->tso_seg_list; |
| 462 | struct qdf_tso_num_seg_elem_t *tso_num_desc = |
| 463 | tso_info->tso_num_seg_list; |
| 464 | |
| 465 | /* do dma unmap for each segment */ |
| 466 | if (tso_seg_unmap) |
| 467 | dp_tx_unmap_tso_seg_list(soc, free_seg, tso_num_desc); |
| 468 | |
| 469 | /* free all tso number segment descriptor though looks only have 1 */ |
| 470 | dp_tx_free_tso_num_seg_list(soc, tso_num_desc, msdu_info); |
| 471 | |
| 472 | /* free all tso segment descriptor */ |
| 473 | dp_tx_free_tso_seg_list(soc, free_seg, msdu_info); |
| 474 | } |
| 475 | |
| 476 | /** |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 477 | * dp_tx_prepare_tso() - Given a jumbo msdu, prepare the TSO info |
| 478 | * @vdev: virtual device handle |
| 479 | * @msdu: network buffer |
| 480 | * @msdu_info: meta data associated with the msdu |
| 481 | * |
| 482 | * Return: QDF_STATUS_SUCCESS success |
| 483 | */ |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 484 | static QDF_STATUS dp_tx_prepare_tso(struct dp_vdev *vdev, |
| 485 | qdf_nbuf_t msdu, struct dp_tx_msdu_info_s *msdu_info) |
| 486 | { |
| 487 | struct qdf_tso_seg_elem_t *tso_seg; |
| 488 | int num_seg = qdf_nbuf_get_tso_num_seg(msdu); |
| 489 | struct dp_soc *soc = vdev->pdev->soc; |
| 490 | struct qdf_tso_info_t *tso_info; |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 491 | struct qdf_tso_num_seg_elem_t *tso_num_seg; |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 492 | |
| 493 | tso_info = &msdu_info->u.tso_info; |
| 494 | tso_info->curr_seg = NULL; |
| 495 | tso_info->tso_seg_list = NULL; |
| 496 | tso_info->num_segs = num_seg; |
| 497 | msdu_info->frm_type = dp_tx_frm_tso; |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 498 | tso_info->tso_num_seg_list = NULL; |
| 499 | |
| 500 | TSO_DEBUG(" %s: num_seg: %d", __func__, num_seg); |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 501 | |
| 502 | while (num_seg) { |
| 503 | tso_seg = dp_tx_tso_desc_alloc( |
| 504 | soc, msdu_info->tx_queue.desc_pool_id); |
| 505 | if (tso_seg) { |
| 506 | tso_seg->next = tso_info->tso_seg_list; |
| 507 | tso_info->tso_seg_list = tso_seg; |
| 508 | num_seg--; |
| 509 | } else { |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 510 | DP_TRACE(ERROR, "%s: Failed to alloc tso seg desc", |
| 511 | __func__); |
| 512 | dp_tx_free_remaining_tso_desc(soc, msdu_info, false); |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 513 | |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 514 | return QDF_STATUS_E_NOMEM; |
| 515 | } |
| 516 | } |
| 517 | |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 518 | TSO_DEBUG(" %s: num_seg: %d", __func__, num_seg); |
| 519 | |
| 520 | tso_num_seg = dp_tso_num_seg_alloc(soc, |
| 521 | msdu_info->tx_queue.desc_pool_id); |
| 522 | |
| 523 | if (tso_num_seg) { |
| 524 | tso_num_seg->next = tso_info->tso_num_seg_list; |
| 525 | tso_info->tso_num_seg_list = tso_num_seg; |
| 526 | } else { |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 527 | DP_TRACE(ERROR, "%s: Failed to alloc - Number of segs desc", |
| 528 | __func__); |
| 529 | dp_tx_free_remaining_tso_desc(soc, msdu_info, false); |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 530 | |
| 531 | return QDF_STATUS_E_NOMEM; |
| 532 | } |
| 533 | |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 534 | msdu_info->num_seg = |
| 535 | qdf_nbuf_get_tso_info(soc->osdev, msdu, tso_info); |
| 536 | |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 537 | TSO_DEBUG(" %s: msdu_info->num_seg: %d", __func__, |
| 538 | msdu_info->num_seg); |
| 539 | |
| 540 | if (!(msdu_info->num_seg)) { |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 541 | /* |
| 542 | * Free allocated TSO seg desc and number seg desc, |
| 543 | * do unmap for segments if dma map has done. |
| 544 | */ |
| 545 | DP_TRACE(ERROR, "%s: Failed to get tso info", __func__); |
| 546 | dp_tx_free_remaining_tso_desc(soc, msdu_info, true); |
| 547 | |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 548 | return QDF_STATUS_E_INVAL; |
| 549 | } |
| 550 | |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 551 | tso_info->curr_seg = tso_info->tso_seg_list; |
| 552 | |
| 553 | return QDF_STATUS_SUCCESS; |
| 554 | } |
| 555 | #else |
| 556 | static QDF_STATUS dp_tx_prepare_tso(struct dp_vdev *vdev, |
| 557 | qdf_nbuf_t msdu, struct dp_tx_msdu_info_s *msdu_info) |
| 558 | { |
| 559 | return QDF_STATUS_E_NOMEM; |
| 560 | } |
| 561 | #endif |
| 562 | |
| 563 | /** |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 564 | * dp_tx_prepare_ext_desc() - Allocate and prepare MSDU extension descriptor |
| 565 | * @vdev: DP Vdev handle |
| 566 | * @msdu_info: MSDU info to be setup in MSDU extension descriptor |
| 567 | * @desc_pool_id: Descriptor Pool ID |
| 568 | * |
| 569 | * Return: |
| 570 | */ |
Jeff Johnson | 755f261 | 2017-01-05 16:28:13 -0800 | [diff] [blame] | 571 | static |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 572 | struct dp_tx_ext_desc_elem_s *dp_tx_prepare_ext_desc(struct dp_vdev *vdev, |
| 573 | struct dp_tx_msdu_info_s *msdu_info, uint8_t desc_pool_id) |
| 574 | { |
| 575 | uint8_t i; |
Ishank Jain | 2f81e96 | 2017-01-23 22:42:37 +0530 | [diff] [blame] | 576 | uint8_t cached_ext_desc[HAL_TX_EXT_DESC_WITH_META_DATA]; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 577 | struct dp_tx_seg_info_s *seg_info; |
| 578 | struct dp_tx_ext_desc_elem_s *msdu_ext_desc; |
| 579 | struct dp_soc *soc = vdev->pdev->soc; |
| 580 | |
| 581 | /* Allocate an extension descriptor */ |
| 582 | msdu_ext_desc = dp_tx_ext_desc_alloc(soc, desc_pool_id); |
Ishank Jain | 2f81e96 | 2017-01-23 22:42:37 +0530 | [diff] [blame] | 583 | qdf_mem_zero(&cached_ext_desc[0], HAL_TX_EXT_DESC_WITH_META_DATA); |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 584 | |
Ishank Jain | 57c42a1 | 2017-04-12 10:42:22 +0530 | [diff] [blame] | 585 | if (!msdu_ext_desc) { |
Ruchi, Agrawal | c3e68bc | 2018-07-16 16:45:34 +0530 | [diff] [blame] | 586 | DP_STATS_INC(vdev, tx_i.dropped.desc_na.num, 1); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 587 | return NULL; |
Ishank Jain | 57c42a1 | 2017-04-12 10:42:22 +0530 | [diff] [blame] | 588 | } |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 589 | |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 590 | if (msdu_info->exception_fw && |
| 591 | qdf_unlikely(vdev->mesh_vdev)) { |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 592 | qdf_mem_copy(&cached_ext_desc[HAL_TX_EXTENSION_DESC_LEN_BYTES], |
| 593 | &msdu_info->meta_data[0], |
| 594 | sizeof(struct htt_tx_msdu_desc_ext2_t)); |
| 595 | qdf_atomic_inc(&vdev->pdev->num_tx_exception); |
Venkateswara Swamy Bandaru | 97ca7e9 | 2018-04-27 18:30:10 +0530 | [diff] [blame] | 596 | } |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 597 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 598 | switch (msdu_info->frm_type) { |
| 599 | case dp_tx_frm_sg: |
| 600 | case dp_tx_frm_me: |
| 601 | case dp_tx_frm_raw: |
| 602 | seg_info = msdu_info->u.sg_info.curr_seg; |
| 603 | /* Update the buffer pointers in MSDU Extension Descriptor */ |
| 604 | for (i = 0; i < seg_info->frag_cnt; i++) { |
| 605 | hal_tx_ext_desc_set_buffer(&cached_ext_desc[0], i, |
| 606 | seg_info->frags[i].paddr_lo, |
| 607 | seg_info->frags[i].paddr_hi, |
| 608 | seg_info->frags[i].len); |
| 609 | } |
| 610 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 611 | break; |
| 612 | |
| 613 | case dp_tx_frm_tso: |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 614 | dp_tx_prepare_tso_ext_desc(&msdu_info->u.tso_info.curr_seg->seg, |
| 615 | &cached_ext_desc[0]); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 616 | break; |
| 617 | |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 618 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 619 | default: |
| 620 | break; |
| 621 | } |
| 622 | |
Yun Park | 11d46e0 | 2017-11-27 10:51:53 -0800 | [diff] [blame] | 623 | QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG, |
| 624 | cached_ext_desc, HAL_TX_EXT_DESC_WITH_META_DATA); |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 625 | |
| 626 | hal_tx_ext_desc_sync(&cached_ext_desc[0], |
| 627 | msdu_ext_desc->vaddr); |
| 628 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 629 | return msdu_ext_desc; |
| 630 | } |
| 631 | |
| 632 | /** |
Mohit Khanna | 163c317 | 2018-06-27 01:34:02 -0700 | [diff] [blame] | 633 | * dp_tx_trace_pkt() - Trace TX packet at DP layer |
| 634 | * |
| 635 | * @skb: skb to be traced |
| 636 | * @msdu_id: msdu_id of the packet |
| 637 | * @vdev_id: vdev_id of the packet |
| 638 | * |
| 639 | * Return: None |
| 640 | */ |
| 641 | static void dp_tx_trace_pkt(qdf_nbuf_t skb, uint16_t msdu_id, |
| 642 | uint8_t vdev_id) |
| 643 | { |
| 644 | QDF_NBUF_CB_TX_PACKET_TRACK(skb) = QDF_NBUF_TX_PKT_DATA_TRACK; |
| 645 | QDF_NBUF_CB_TX_DP_TRACE(skb) = 1; |
| 646 | DPTRACE(qdf_dp_trace_ptr(skb, |
| 647 | QDF_DP_TRACE_LI_DP_TX_PACKET_PTR_RECORD, |
| 648 | QDF_TRACE_DEFAULT_PDEV_ID, |
| 649 | qdf_nbuf_data_addr(skb), |
| 650 | sizeof(qdf_nbuf_data(skb)), |
| 651 | msdu_id, vdev_id)); |
| 652 | |
| 653 | qdf_dp_trace_log_pkt(vdev_id, skb, QDF_TX, QDF_TRACE_DEFAULT_PDEV_ID); |
| 654 | |
| 655 | DPTRACE(qdf_dp_trace_data_pkt(skb, QDF_TRACE_DEFAULT_PDEV_ID, |
| 656 | QDF_DP_TRACE_LI_DP_TX_PACKET_RECORD, |
| 657 | msdu_id, QDF_TX)); |
| 658 | } |
| 659 | |
Shashikala Prabhu | 550e69c | 2019-03-13 17:41:17 +0530 | [diff] [blame] | 660 | #ifdef QCA_512M_CONFIG |
| 661 | /** |
| 662 | * dp_tx_pdev_pflow_control - Check if allocated tx descriptors reached max |
| 663 | * tx descriptor configured value |
| 664 | * @vdev: DP vdev handle |
| 665 | * |
| 666 | * Return: true if allocated tx descriptors reached max configured value, else |
| 667 | * false. |
| 668 | */ |
| 669 | static inline bool |
| 670 | dp_tx_pdev_pflow_control(struct dp_vdev *vdev) |
| 671 | { |
| 672 | struct dp_pdev *pdev = vdev->pdev; |
| 673 | |
| 674 | if (qdf_atomic_read(&pdev->num_tx_outstanding) >= |
| 675 | pdev->num_tx_allowed) { |
| 676 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, |
| 677 | "%s: queued packets are more than max tx, drop the frame", |
| 678 | __func__); |
| 679 | DP_STATS_INC(vdev, tx_i.dropped.desc_na.num, 1); |
| 680 | return true; |
| 681 | } |
| 682 | |
| 683 | return false; |
| 684 | } |
| 685 | #else |
| 686 | static inline bool |
| 687 | dp_tx_pdev_pflow_control(struct dp_vdev *vdev) |
| 688 | { |
| 689 | return false; |
| 690 | } |
| 691 | #endif |
| 692 | |
Mohit Khanna | 163c317 | 2018-06-27 01:34:02 -0700 | [diff] [blame] | 693 | /** |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 694 | * dp_tx_desc_prepare_single - Allocate and prepare Tx descriptor |
| 695 | * @vdev: DP vdev handle |
| 696 | * @nbuf: skb |
| 697 | * @desc_pool_id: Descriptor pool ID |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 698 | * @meta_data: Metadata to the fw |
| 699 | * @tx_exc_metadata: Handle that holds exception path metadata |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 700 | * Allocate and prepare Tx descriptor with msdu information. |
| 701 | * |
| 702 | * Return: Pointer to Tx Descriptor on success, |
| 703 | * NULL on failure |
| 704 | */ |
Jeff Johnson | 755f261 | 2017-01-05 16:28:13 -0800 | [diff] [blame] | 705 | static |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 706 | struct dp_tx_desc_s *dp_tx_prepare_desc_single(struct dp_vdev *vdev, |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 707 | qdf_nbuf_t nbuf, uint8_t desc_pool_id, |
| 708 | struct dp_tx_msdu_info_s *msdu_info, |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 709 | struct cdp_tx_exception_metadata *tx_exc_metadata) |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 710 | { |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 711 | uint8_t align_pad; |
Dhanashri Atre | 10a9323 | 2016-11-11 18:47:05 -0800 | [diff] [blame] | 712 | uint8_t is_exception = 0; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 713 | uint8_t htt_hdr_size; |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 714 | qdf_ether_header_t *eh; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 715 | struct dp_tx_desc_s *tx_desc; |
| 716 | struct dp_pdev *pdev = vdev->pdev; |
| 717 | struct dp_soc *soc = pdev->soc; |
| 718 | |
Shashikala Prabhu | 550e69c | 2019-03-13 17:41:17 +0530 | [diff] [blame] | 719 | if (dp_tx_pdev_pflow_control(vdev)) |
| 720 | return NULL; |
| 721 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 722 | /* Allocate software Tx descriptor */ |
| 723 | tx_desc = dp_tx_desc_alloc(soc, desc_pool_id); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 724 | if (qdf_unlikely(!tx_desc)) { |
Ruchi, Agrawal | c3e68bc | 2018-07-16 16:45:34 +0530 | [diff] [blame] | 725 | DP_STATS_INC(vdev, tx_i.dropped.desc_na.num, 1); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 726 | return NULL; |
| 727 | } |
| 728 | |
| 729 | /* Flow control/Congestion Control counters */ |
Vijay Pamidipati | 4d5d436 | 2017-02-09 22:49:00 +0530 | [diff] [blame] | 730 | qdf_atomic_inc(&pdev->num_tx_outstanding); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 731 | |
| 732 | /* Initialize the SW tx descriptor */ |
| 733 | tx_desc->nbuf = nbuf; |
| 734 | tx_desc->frm_type = dp_tx_frm_std; |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 735 | tx_desc->tx_encap_type = (tx_exc_metadata ? |
| 736 | tx_exc_metadata->tx_encap_type : vdev->tx_encap_type); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 737 | tx_desc->vdev = vdev; |
Ravi Joshi | ab33d9b | 2017-02-11 21:43:28 -0800 | [diff] [blame] | 738 | tx_desc->pdev = pdev; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 739 | tx_desc->msdu_ext_desc = NULL; |
Pamidipati, Vijay | 871850e | 2017-11-05 16:18:25 +0530 | [diff] [blame] | 740 | tx_desc->pkt_offset = 0; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 741 | |
Mohit Khanna | 163c317 | 2018-06-27 01:34:02 -0700 | [diff] [blame] | 742 | dp_tx_trace_pkt(nbuf, tx_desc->id, vdev->vdev_id); |
| 743 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 744 | /* |
| 745 | * For special modes (vdev_type == ocb or mesh), data frames should be |
| 746 | * transmitted using varying transmit parameters (tx spec) which include |
| 747 | * transmit rate, power, priority, channel, channel bandwidth , nss etc. |
| 748 | * These are filled in HTT MSDU descriptor and sent in frame pre-header. |
| 749 | * These frames are sent as exception packets to firmware. |
Pamidipati, Vijay | 8a4e27c | 2017-04-06 01:04:08 +0530 | [diff] [blame] | 750 | * |
Pamidipati, Vijay | 871850e | 2017-11-05 16:18:25 +0530 | [diff] [blame] | 751 | * HW requirement is that metadata should always point to a |
| 752 | * 8-byte aligned address. So we add alignment pad to start of buffer. |
Pamidipati, Vijay | 8a4e27c | 2017-04-06 01:04:08 +0530 | [diff] [blame] | 753 | * HTT Metadata should be ensured to be multiple of 8-bytes, |
Pamidipati, Vijay | 871850e | 2017-11-05 16:18:25 +0530 | [diff] [blame] | 754 | * to get 8-byte aligned start address along with align_pad added |
Pamidipati, Vijay | 8a4e27c | 2017-04-06 01:04:08 +0530 | [diff] [blame] | 755 | * |
| 756 | * |-----------------------------| |
| 757 | * | | |
| 758 | * |-----------------------------| <-----Buffer Pointer Address given |
| 759 | * | | ^ in HW descriptor (aligned) |
| 760 | * | HTT Metadata | | |
| 761 | * | | | |
| 762 | * | | | Packet Offset given in descriptor |
| 763 | * | | | |
| 764 | * |-----------------------------| | |
| 765 | * | Alignment Pad | v |
| 766 | * |-----------------------------| <----- Actual buffer start address |
| 767 | * | SKB Data | (Unaligned) |
| 768 | * | | |
| 769 | * | | |
| 770 | * | | |
| 771 | * | | |
| 772 | * | | |
| 773 | * |-----------------------------| |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 774 | */ |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 775 | if (qdf_unlikely((msdu_info->exception_fw)) || |
| 776 | (vdev->opmode == wlan_op_mode_ocb)) { |
Pamidipati, Vijay | 871850e | 2017-11-05 16:18:25 +0530 | [diff] [blame] | 777 | align_pad = ((unsigned long) qdf_nbuf_data(nbuf)) & 0x7; |
Venkateswara Swamy Bandaru | 41ebb33 | 2018-09-12 18:25:29 +0530 | [diff] [blame] | 778 | |
| 779 | if (qdf_unlikely(qdf_nbuf_headroom(nbuf) < align_pad)) { |
| 780 | DP_STATS_INC(vdev, |
| 781 | tx_i.dropped.headroom_insufficient, 1); |
| 782 | goto failure; |
| 783 | } |
| 784 | |
Pamidipati, Vijay | 871850e | 2017-11-05 16:18:25 +0530 | [diff] [blame] | 785 | if (qdf_nbuf_push_head(nbuf, align_pad) == NULL) { |
| 786 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 787 | "qdf_nbuf_push_head failed"); |
Pamidipati, Vijay | 871850e | 2017-11-05 16:18:25 +0530 | [diff] [blame] | 788 | goto failure; |
| 789 | } |
| 790 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 791 | htt_hdr_size = dp_tx_prepare_htt_metadata(vdev, nbuf, |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 792 | msdu_info->meta_data); |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 793 | if (htt_hdr_size == 0) |
| 794 | goto failure; |
Pamidipati, Vijay | 871850e | 2017-11-05 16:18:25 +0530 | [diff] [blame] | 795 | tx_desc->pkt_offset = align_pad + htt_hdr_size; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 796 | tx_desc->flags |= DP_TX_DESC_FLAG_TO_FW; |
Dhanashri Atre | 10a9323 | 2016-11-11 18:47:05 -0800 | [diff] [blame] | 797 | is_exception = 1; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 798 | } |
| 799 | |
Pamidipati, Vijay | 8a4e27c | 2017-04-06 01:04:08 +0530 | [diff] [blame] | 800 | if (qdf_unlikely(QDF_STATUS_SUCCESS != |
| 801 | qdf_nbuf_map(soc->osdev, nbuf, |
| 802 | QDF_DMA_TO_DEVICE))) { |
| 803 | /* Handle failure */ |
| 804 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 805 | "qdf_nbuf_map failed"); |
Ishank Jain | 57c42a1 | 2017-04-12 10:42:22 +0530 | [diff] [blame] | 806 | DP_STATS_INC(vdev, tx_i.dropped.dma_error, 1); |
Pamidipati, Vijay | 8a4e27c | 2017-04-06 01:04:08 +0530 | [diff] [blame] | 807 | goto failure; |
| 808 | } |
| 809 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 810 | if (qdf_unlikely(vdev->nawds_enabled)) { |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 811 | eh = (qdf_ether_header_t *)qdf_nbuf_data(nbuf); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 812 | if (DP_FRAME_IS_MULTICAST((eh)->ether_dhost)) { |
| 813 | tx_desc->flags |= DP_TX_DESC_FLAG_TO_FW; |
Dhanashri Atre | 10a9323 | 2016-11-11 18:47:05 -0800 | [diff] [blame] | 814 | is_exception = 1; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 815 | } |
| 816 | } |
| 817 | |
Dhanashri Atre | 10a9323 | 2016-11-11 18:47:05 -0800 | [diff] [blame] | 818 | #if !TQM_BYPASS_WAR |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 819 | if (is_exception || tx_exc_metadata) |
Dhanashri Atre | 10a9323 | 2016-11-11 18:47:05 -0800 | [diff] [blame] | 820 | #endif |
| 821 | { |
| 822 | /* Temporary WAR due to TQM VP issues */ |
| 823 | tx_desc->flags |= DP_TX_DESC_FLAG_TO_FW; |
Vijay Pamidipati | 4d5d436 | 2017-02-09 22:49:00 +0530 | [diff] [blame] | 824 | qdf_atomic_inc(&pdev->num_tx_exception); |
Dhanashri Atre | 10a9323 | 2016-11-11 18:47:05 -0800 | [diff] [blame] | 825 | } |
| 826 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 827 | return tx_desc; |
| 828 | |
| 829 | failure: |
Ravi Joshi | ab33d9b | 2017-02-11 21:43:28 -0800 | [diff] [blame] | 830 | dp_tx_desc_release(tx_desc, desc_pool_id); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 831 | return NULL; |
| 832 | } |
| 833 | |
| 834 | /** |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 835 | * dp_tx_prepare_desc() - Allocate and prepare Tx descriptor for multisegment frame |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 836 | * @vdev: DP vdev handle |
| 837 | * @nbuf: skb |
| 838 | * @msdu_info: Info to be setup in MSDU descriptor and MSDU extension descriptor |
| 839 | * @desc_pool_id : Descriptor Pool ID |
| 840 | * |
| 841 | * Allocate and prepare Tx descriptor with msdu and fragment descritor |
| 842 | * information. For frames wth fragments, allocate and prepare |
| 843 | * an MSDU extension descriptor |
| 844 | * |
| 845 | * Return: Pointer to Tx Descriptor on success, |
| 846 | * NULL on failure |
| 847 | */ |
Jeff Johnson | 755f261 | 2017-01-05 16:28:13 -0800 | [diff] [blame] | 848 | static struct dp_tx_desc_s *dp_tx_prepare_desc(struct dp_vdev *vdev, |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 849 | qdf_nbuf_t nbuf, struct dp_tx_msdu_info_s *msdu_info, |
| 850 | uint8_t desc_pool_id) |
| 851 | { |
| 852 | struct dp_tx_desc_s *tx_desc; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 853 | struct dp_tx_ext_desc_elem_s *msdu_ext_desc; |
| 854 | struct dp_pdev *pdev = vdev->pdev; |
| 855 | struct dp_soc *soc = pdev->soc; |
| 856 | |
Shashikala Prabhu | 550e69c | 2019-03-13 17:41:17 +0530 | [diff] [blame] | 857 | if (dp_tx_pdev_pflow_control(vdev)) |
| 858 | return NULL; |
| 859 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 860 | /* Allocate software Tx descriptor */ |
| 861 | tx_desc = dp_tx_desc_alloc(soc, desc_pool_id); |
Ishank Jain | 57c42a1 | 2017-04-12 10:42:22 +0530 | [diff] [blame] | 862 | if (!tx_desc) { |
Ruchi, Agrawal | c3e68bc | 2018-07-16 16:45:34 +0530 | [diff] [blame] | 863 | DP_STATS_INC(vdev, tx_i.dropped.desc_na.num, 1); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 864 | return NULL; |
Ishank Jain | 57c42a1 | 2017-04-12 10:42:22 +0530 | [diff] [blame] | 865 | } |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 866 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 867 | /* Flow control/Congestion Control counters */ |
Vijay Pamidipati | 4d5d436 | 2017-02-09 22:49:00 +0530 | [diff] [blame] | 868 | qdf_atomic_inc(&pdev->num_tx_outstanding); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 869 | |
| 870 | /* Initialize the SW tx descriptor */ |
| 871 | tx_desc->nbuf = nbuf; |
| 872 | tx_desc->frm_type = msdu_info->frm_type; |
| 873 | tx_desc->tx_encap_type = vdev->tx_encap_type; |
| 874 | tx_desc->vdev = vdev; |
Ravi Joshi | ab33d9b | 2017-02-11 21:43:28 -0800 | [diff] [blame] | 875 | tx_desc->pdev = pdev; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 876 | tx_desc->pkt_offset = 0; |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 877 | tx_desc->tso_desc = msdu_info->u.tso_info.curr_seg; |
| 878 | tx_desc->tso_num_desc = msdu_info->u.tso_info.tso_num_seg_list; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 879 | |
Mohit Khanna | 163c317 | 2018-06-27 01:34:02 -0700 | [diff] [blame] | 880 | dp_tx_trace_pkt(nbuf, tx_desc->id, vdev->vdev_id); |
| 881 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 882 | /* Handle scattered frames - TSO/SG/ME */ |
| 883 | /* Allocate and prepare an extension descriptor for scattered frames */ |
| 884 | msdu_ext_desc = dp_tx_prepare_ext_desc(vdev, msdu_info, desc_pool_id); |
| 885 | if (!msdu_ext_desc) { |
| 886 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 887 | "%s Tx Extension Descriptor Alloc Fail", |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 888 | __func__); |
| 889 | goto failure; |
| 890 | } |
| 891 | |
Dhanashri Atre | 10a9323 | 2016-11-11 18:47:05 -0800 | [diff] [blame] | 892 | #if TQM_BYPASS_WAR |
| 893 | /* Temporary WAR due to TQM VP issues */ |
| 894 | tx_desc->flags |= DP_TX_DESC_FLAG_TO_FW; |
Vijay Pamidipati | 4d5d436 | 2017-02-09 22:49:00 +0530 | [diff] [blame] | 895 | qdf_atomic_inc(&pdev->num_tx_exception); |
Dhanashri Atre | 10a9323 | 2016-11-11 18:47:05 -0800 | [diff] [blame] | 896 | #endif |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 897 | if (qdf_unlikely(msdu_info->exception_fw)) |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 898 | tx_desc->flags |= DP_TX_DESC_FLAG_TO_FW; |
Dhanashri Atre | 10a9323 | 2016-11-11 18:47:05 -0800 | [diff] [blame] | 899 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 900 | tx_desc->msdu_ext_desc = msdu_ext_desc; |
| 901 | tx_desc->flags |= DP_TX_DESC_FLAG_FRAG; |
| 902 | |
| 903 | return tx_desc; |
| 904 | failure: |
Ravi Joshi | ab33d9b | 2017-02-11 21:43:28 -0800 | [diff] [blame] | 905 | dp_tx_desc_release(tx_desc, desc_pool_id); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 906 | return NULL; |
| 907 | } |
| 908 | |
| 909 | /** |
Venkateswara Swamy Bandaru | 9907596 | 2016-12-27 11:55:15 +0530 | [diff] [blame] | 910 | * dp_tx_prepare_raw() - Prepare RAW packet TX |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 911 | * @vdev: DP vdev handle |
| 912 | * @nbuf: buffer pointer |
Venkateswara Swamy Bandaru | 9907596 | 2016-12-27 11:55:15 +0530 | [diff] [blame] | 913 | * @seg_info: Pointer to Segment info Descriptor to be prepared |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 914 | * @msdu_info: MSDU info to be setup in MSDU descriptor and MSDU extension |
| 915 | * descriptor |
| 916 | * |
| 917 | * Return: |
| 918 | */ |
Jeff Johnson | 755f261 | 2017-01-05 16:28:13 -0800 | [diff] [blame] | 919 | static qdf_nbuf_t dp_tx_prepare_raw(struct dp_vdev *vdev, qdf_nbuf_t nbuf, |
Venkateswara Swamy Bandaru | 9907596 | 2016-12-27 11:55:15 +0530 | [diff] [blame] | 920 | struct dp_tx_seg_info_s *seg_info, struct dp_tx_msdu_info_s *msdu_info) |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 921 | { |
Venkateswara Swamy Bandaru | 9907596 | 2016-12-27 11:55:15 +0530 | [diff] [blame] | 922 | qdf_nbuf_t curr_nbuf = NULL; |
| 923 | uint16_t total_len = 0; |
Pamidipati, Vijay | da917d5 | 2017-07-18 20:13:22 +0530 | [diff] [blame] | 924 | qdf_dma_addr_t paddr; |
Venkateswara Swamy Bandaru | 9907596 | 2016-12-27 11:55:15 +0530 | [diff] [blame] | 925 | int32_t i; |
Ruchi, Agrawal | d8532ff | 2017-12-15 15:50:22 +0530 | [diff] [blame] | 926 | int32_t mapped_buf_num = 0; |
Venkateswara Swamy Bandaru | 9907596 | 2016-12-27 11:55:15 +0530 | [diff] [blame] | 927 | |
| 928 | struct dp_tx_sg_info_s *sg_info = &msdu_info->u.sg_info; |
Sathish Kumar | e7e784d | 2017-05-04 16:24:22 +0530 | [diff] [blame] | 929 | qdf_dot3_qosframe_t *qos_wh = (qdf_dot3_qosframe_t *) nbuf->data; |
Venkateswara Swamy Bandaru | 9907596 | 2016-12-27 11:55:15 +0530 | [diff] [blame] | 930 | |
Ishank Jain | 57c42a1 | 2017-04-12 10:42:22 +0530 | [diff] [blame] | 931 | DP_STATS_INC_PKT(vdev, tx_i.raw.raw_pkt, 1, qdf_nbuf_len(nbuf)); |
| 932 | |
Sathish Kumar | e7e784d | 2017-05-04 16:24:22 +0530 | [diff] [blame] | 933 | /* SWAR for HW: Enable WEP bit in the AMSDU frames for RAW mode */ |
Venkateswara Swamy Bandaru | 6ca4112 | 2018-08-03 16:07:06 +0530 | [diff] [blame] | 934 | if (vdev->raw_mode_war && |
Pamidipati, Vijay | 480c931 | 2018-06-25 20:12:49 +0530 | [diff] [blame] | 935 | (qos_wh->i_fc[0] & QDF_IEEE80211_FC0_SUBTYPE_QOS) && |
| 936 | (qos_wh->i_qos[0] & IEEE80211_QOS_AMSDU)) |
Sathish Kumar | e7e784d | 2017-05-04 16:24:22 +0530 | [diff] [blame] | 937 | qos_wh->i_fc[1] |= IEEE80211_FC1_WEP; |
Sathish Kumar | e7e784d | 2017-05-04 16:24:22 +0530 | [diff] [blame] | 938 | |
Venkateswara Swamy Bandaru | 9907596 | 2016-12-27 11:55:15 +0530 | [diff] [blame] | 939 | for (curr_nbuf = nbuf, i = 0; curr_nbuf; |
Ruchi, Agrawal | d8532ff | 2017-12-15 15:50:22 +0530 | [diff] [blame] | 940 | curr_nbuf = qdf_nbuf_next(curr_nbuf), i++) { |
| 941 | |
| 942 | if (QDF_STATUS_SUCCESS != qdf_nbuf_map(vdev->osdev, curr_nbuf, |
| 943 | QDF_DMA_TO_DEVICE)) { |
| 944 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 945 | "%s dma map error ", __func__); |
Ruchi, Agrawal | d8532ff | 2017-12-15 15:50:22 +0530 | [diff] [blame] | 946 | DP_STATS_INC(vdev, tx_i.raw.dma_map_error, 1); |
| 947 | mapped_buf_num = i; |
| 948 | goto error; |
| 949 | } |
| 950 | |
Pamidipati, Vijay | da917d5 | 2017-07-18 20:13:22 +0530 | [diff] [blame] | 951 | paddr = qdf_nbuf_get_frag_paddr(curr_nbuf, 0); |
| 952 | seg_info->frags[i].paddr_lo = paddr; |
| 953 | seg_info->frags[i].paddr_hi = ((uint64_t)paddr >> 32); |
Venkateswara Swamy Bandaru | 9907596 | 2016-12-27 11:55:15 +0530 | [diff] [blame] | 954 | seg_info->frags[i].len = qdf_nbuf_len(curr_nbuf); |
| 955 | seg_info->frags[i].vaddr = (void *) curr_nbuf; |
| 956 | total_len += qdf_nbuf_len(curr_nbuf); |
| 957 | } |
| 958 | |
| 959 | seg_info->frag_cnt = i; |
| 960 | seg_info->total_len = total_len; |
| 961 | seg_info->next = NULL; |
| 962 | |
| 963 | sg_info->curr_seg = seg_info; |
| 964 | |
| 965 | msdu_info->frm_type = dp_tx_frm_raw; |
| 966 | msdu_info->num_seg = 1; |
| 967 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 968 | return nbuf; |
Ruchi, Agrawal | d8532ff | 2017-12-15 15:50:22 +0530 | [diff] [blame] | 969 | |
| 970 | error: |
| 971 | i = 0; |
| 972 | while (nbuf) { |
| 973 | curr_nbuf = nbuf; |
| 974 | if (i < mapped_buf_num) { |
| 975 | qdf_nbuf_unmap(vdev->osdev, curr_nbuf, QDF_DMA_TO_DEVICE); |
| 976 | i++; |
| 977 | } |
| 978 | nbuf = qdf_nbuf_next(nbuf); |
| 979 | qdf_nbuf_free(curr_nbuf); |
| 980 | } |
| 981 | return NULL; |
| 982 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 983 | } |
| 984 | |
| 985 | /** |
| 986 | * dp_tx_hw_enqueue() - Enqueue to TCL HW for transmit |
| 987 | * @soc: DP Soc Handle |
| 988 | * @vdev: DP vdev handle |
| 989 | * @tx_desc: Tx Descriptor Handle |
| 990 | * @tid: TID from HLOS for overriding default DSCP-TID mapping |
| 991 | * @fw_metadata: Metadata to send to Target Firmware along with frame |
| 992 | * @ring_id: Ring ID of H/W ring to which we enqueue the packet |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 993 | * @tx_exc_metadata: Handle that holds exception path meta data |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 994 | * |
| 995 | * Gets the next free TCL HW DMA descriptor and sets up required parameters |
| 996 | * from software Tx descriptor |
| 997 | * |
| 998 | * Return: |
| 999 | */ |
Jeff Johnson | 755f261 | 2017-01-05 16:28:13 -0800 | [diff] [blame] | 1000 | static QDF_STATUS dp_tx_hw_enqueue(struct dp_soc *soc, struct dp_vdev *vdev, |
| 1001 | struct dp_tx_desc_s *tx_desc, uint8_t tid, |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1002 | uint16_t fw_metadata, uint8_t ring_id, |
| 1003 | struct cdp_tx_exception_metadata |
| 1004 | *tx_exc_metadata) |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1005 | { |
| 1006 | uint8_t type; |
| 1007 | uint16_t length; |
| 1008 | void *hal_tx_desc, *hal_tx_desc_cached; |
| 1009 | qdf_dma_addr_t dma_addr; |
| 1010 | uint8_t cached_desc[HAL_TX_DESC_LEN_BYTES]; |
| 1011 | |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1012 | enum cdp_sec_type sec_type = (tx_exc_metadata ? |
| 1013 | tx_exc_metadata->sec_type : vdev->sec_type); |
| 1014 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1015 | /* Return Buffer Manager ID */ |
| 1016 | uint8_t bm_id = ring_id; |
| 1017 | void *hal_srng = soc->tcl_data_ring[ring_id].hal_srng; |
| 1018 | |
| 1019 | hal_tx_desc_cached = (void *) cached_desc; |
Dustin Brown | b5b21ca | 2019-03-01 15:20:58 -0800 | [diff] [blame] | 1020 | qdf_mem_zero(hal_tx_desc_cached, HAL_TX_DESC_LEN_BYTES); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1021 | |
| 1022 | if (tx_desc->flags & DP_TX_DESC_FLAG_FRAG) { |
Pamidipati, Vijay | 110bf96 | 2017-03-24 21:38:20 +0530 | [diff] [blame] | 1023 | length = HAL_TX_EXT_DESC_WITH_META_DATA; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1024 | type = HAL_TX_BUF_TYPE_EXT_DESC; |
| 1025 | dma_addr = tx_desc->msdu_ext_desc->paddr; |
| 1026 | } else { |
Pamidipati, Vijay | 8a4e27c | 2017-04-06 01:04:08 +0530 | [diff] [blame] | 1027 | length = qdf_nbuf_len(tx_desc->nbuf) - tx_desc->pkt_offset; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1028 | type = HAL_TX_BUF_TYPE_BUFFER; |
Pamidipati, Vijay | 8a4e27c | 2017-04-06 01:04:08 +0530 | [diff] [blame] | 1029 | dma_addr = qdf_nbuf_mapped_paddr_get(tx_desc->nbuf); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1030 | } |
| 1031 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1032 | hal_tx_desc_set_fw_metadata(hal_tx_desc_cached, fw_metadata); |
| 1033 | hal_tx_desc_set_buf_addr(hal_tx_desc_cached, |
Balamurugan Mahalingam | 3715aa4 | 2018-08-22 02:13:14 +0530 | [diff] [blame] | 1034 | dma_addr, bm_id, tx_desc->id, |
| 1035 | type, soc->hal_soc); |
Jinwei Chen | fc76555 | 2018-05-18 13:27:32 +0800 | [diff] [blame] | 1036 | |
| 1037 | if (!dp_tx_is_desc_id_valid(soc, tx_desc->id)) |
| 1038 | return QDF_STATUS_E_RESOURCES; |
| 1039 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1040 | hal_tx_desc_set_buf_length(hal_tx_desc_cached, length); |
| 1041 | hal_tx_desc_set_buf_offset(hal_tx_desc_cached, tx_desc->pkt_offset); |
| 1042 | hal_tx_desc_set_encap_type(hal_tx_desc_cached, tx_desc->tx_encap_type); |
Balamurugan Mahalingam | d015964 | 2018-07-11 15:02:29 +0530 | [diff] [blame] | 1043 | hal_tx_desc_set_lmac_id(soc->hal_soc, hal_tx_desc_cached, |
Chaithanya Garrepalli | 1f64b24 | 2018-09-21 22:50:23 +0530 | [diff] [blame] | 1044 | vdev->pdev->lmac_id); |
Chaithanya Garrepalli | 2467ed1 | 2018-09-11 23:57:43 +0530 | [diff] [blame] | 1045 | hal_tx_desc_set_search_type(soc->hal_soc, hal_tx_desc_cached, |
| 1046 | vdev->search_type); |
| 1047 | hal_tx_desc_set_search_index(soc->hal_soc, hal_tx_desc_cached, |
| 1048 | vdev->bss_ast_hash); |
Balamurugan Mahalingam | d015964 | 2018-07-11 15:02:29 +0530 | [diff] [blame] | 1049 | hal_tx_desc_set_dscp_tid_table_id(soc->hal_soc, hal_tx_desc_cached, |
| 1050 | vdev->dscp_tid_map_id); |
ruchi agrawal | 45f3ac4 | 2017-10-25 09:03:28 +0530 | [diff] [blame] | 1051 | hal_tx_desc_set_encrypt_type(hal_tx_desc_cached, |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1052 | sec_type_map[sec_type]); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1053 | |
Krunal Soni | c96a116 | 2019-02-21 11:33:26 -0800 | [diff] [blame] | 1054 | dp_verbose_debug("length:%d , type = %d, dma_addr %llx, offset %d desc id %u", |
| 1055 | length, type, (uint64_t)dma_addr, |
| 1056 | tx_desc->pkt_offset, tx_desc->id); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1057 | |
| 1058 | if (tx_desc->flags & DP_TX_DESC_FLAG_TO_FW) |
| 1059 | hal_tx_desc_set_to_fw(hal_tx_desc_cached, 1); |
| 1060 | |
Pamidipati, Vijay | c9a13a5 | 2017-04-06 17:45:49 +0530 | [diff] [blame] | 1061 | hal_tx_desc_set_addr_search_flags(hal_tx_desc_cached, |
| 1062 | vdev->hal_desc_addr_search_flags); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1063 | |
chenguo | 8d0c219 | 2017-12-01 19:35:53 +0800 | [diff] [blame] | 1064 | /* verify checksum offload configuration*/ |
| 1065 | if ((wlan_cfg_get_checksum_offload(soc->wlan_cfg_ctx)) && |
| 1066 | ((qdf_nbuf_get_tx_cksum(tx_desc->nbuf) == QDF_NBUF_TX_CKSUM_TCP_UDP) |
| 1067 | || qdf_nbuf_is_tso(tx_desc->nbuf))) { |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 1068 | hal_tx_desc_set_l3_checksum_en(hal_tx_desc_cached, 1); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1069 | hal_tx_desc_set_l4_checksum_en(hal_tx_desc_cached, 1); |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 1070 | } |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1071 | |
| 1072 | if (tid != HTT_TX_EXT_TID_INVALID) |
| 1073 | hal_tx_desc_set_hlos_tid(hal_tx_desc_cached, tid); |
| 1074 | |
| 1075 | if (tx_desc->flags & DP_TX_DESC_FLAG_MESH) |
| 1076 | hal_tx_desc_set_mesh_en(hal_tx_desc_cached, 1); |
| 1077 | |
| 1078 | |
Varsha Mishra | a331e6e | 2019-03-11 12:16:14 +0530 | [diff] [blame] | 1079 | tx_desc->timestamp = qdf_ktime_to_ms(qdf_ktime_get()); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1080 | /* Sync cached descriptor with HW */ |
| 1081 | hal_tx_desc = hal_srng_src_get_next(soc->hal_soc, hal_srng); |
| 1082 | |
| 1083 | if (!hal_tx_desc) { |
Krunal Soni | c96a116 | 2019-02-21 11:33:26 -0800 | [diff] [blame] | 1084 | dp_verbose_debug("TCL ring full ring_id:%d", ring_id); |
Ishank Jain | bc2d91f | 2017-01-03 18:14:54 +0530 | [diff] [blame] | 1085 | DP_STATS_INC(soc, tx.tcl_ring_full[ring_id], 1); |
Ishank Jain | 57c42a1 | 2017-04-12 10:42:22 +0530 | [diff] [blame] | 1086 | DP_STATS_INC(vdev, tx_i.dropped.enqueue_fail, 1); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1087 | return QDF_STATUS_E_RESOURCES; |
| 1088 | } |
| 1089 | |
| 1090 | tx_desc->flags |= DP_TX_DESC_FLAG_QUEUED_TX; |
| 1091 | |
| 1092 | hal_tx_desc_sync(hal_tx_desc_cached, hal_tx_desc); |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 1093 | DP_STATS_INC_PKT(vdev, tx_i.processed, 1, length); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1094 | |
| 1095 | return QDF_STATUS_SUCCESS; |
| 1096 | } |
| 1097 | |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1098 | |
| 1099 | /** |
| 1100 | * dp_cce_classify() - Classify the frame based on CCE rules |
| 1101 | * @vdev: DP vdev handle |
| 1102 | * @nbuf: skb |
| 1103 | * |
| 1104 | * Classify frames based on CCE rules |
| 1105 | * Return: bool( true if classified, |
| 1106 | * else false) |
| 1107 | */ |
Ruchi, Agrawal | 4c1468f | 2017-12-08 00:04:33 +0530 | [diff] [blame] | 1108 | static bool dp_cce_classify(struct dp_vdev *vdev, qdf_nbuf_t nbuf) |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1109 | { |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 1110 | qdf_ether_header_t *eh = NULL; |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1111 | uint16_t ether_type; |
| 1112 | qdf_llc_t *llcHdr; |
| 1113 | qdf_nbuf_t nbuf_clone = NULL; |
Ruchi, Agrawal | 4c1468f | 2017-12-08 00:04:33 +0530 | [diff] [blame] | 1114 | qdf_dot3_qosframe_t *qos_wh = NULL; |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1115 | |
Ruchi, Agrawal | 4c1468f | 2017-12-08 00:04:33 +0530 | [diff] [blame] | 1116 | /* for mesh packets don't do any classification */ |
| 1117 | if (qdf_unlikely(vdev->mesh_vdev)) |
| 1118 | return false; |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1119 | |
Ruchi, Agrawal | 4c1468f | 2017-12-08 00:04:33 +0530 | [diff] [blame] | 1120 | if (qdf_likely(vdev->tx_encap_type != htt_cmn_pkt_type_raw)) { |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 1121 | eh = (qdf_ether_header_t *)qdf_nbuf_data(nbuf); |
Ruchi, Agrawal | 4c1468f | 2017-12-08 00:04:33 +0530 | [diff] [blame] | 1122 | ether_type = eh->ether_type; |
| 1123 | llcHdr = (qdf_llc_t *)(nbuf->data + |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 1124 | sizeof(qdf_ether_header_t)); |
Ruchi, Agrawal | 4c1468f | 2017-12-08 00:04:33 +0530 | [diff] [blame] | 1125 | } else { |
| 1126 | qos_wh = (qdf_dot3_qosframe_t *) nbuf->data; |
Ruchi, Agrawal | bd22540 | 2018-05-10 11:19:17 +0530 | [diff] [blame] | 1127 | /* For encrypted packets don't do any classification */ |
| 1128 | if (qdf_unlikely(qos_wh->i_fc[1] & IEEE80211_FC1_WEP)) |
| 1129 | return false; |
Ruchi, Agrawal | 4c1468f | 2017-12-08 00:04:33 +0530 | [diff] [blame] | 1130 | |
| 1131 | if (qdf_unlikely(qos_wh->i_fc[0] & QDF_IEEE80211_FC0_SUBTYPE_QOS)) { |
| 1132 | if (qdf_unlikely( |
| 1133 | qos_wh->i_fc[1] & QDF_IEEE80211_FC1_TODS && |
| 1134 | qos_wh->i_fc[1] & QDF_IEEE80211_FC1_FROMDS)) { |
| 1135 | |
| 1136 | ether_type = *(uint16_t *)(nbuf->data |
| 1137 | + QDF_IEEE80211_4ADDR_HDR_LEN |
| 1138 | + sizeof(qdf_llc_t) |
| 1139 | - sizeof(ether_type)); |
| 1140 | llcHdr = (qdf_llc_t *)(nbuf->data + |
| 1141 | QDF_IEEE80211_4ADDR_HDR_LEN); |
| 1142 | } else { |
| 1143 | ether_type = *(uint16_t *)(nbuf->data |
| 1144 | + QDF_IEEE80211_3ADDR_HDR_LEN |
| 1145 | + sizeof(qdf_llc_t) |
| 1146 | - sizeof(ether_type)); |
| 1147 | llcHdr = (qdf_llc_t *)(nbuf->data + |
| 1148 | QDF_IEEE80211_3ADDR_HDR_LEN); |
| 1149 | } |
| 1150 | |
| 1151 | if (qdf_unlikely(DP_FRAME_IS_SNAP(llcHdr) |
| 1152 | && (ether_type == |
| 1153 | qdf_htons(QDF_NBUF_TRAC_EAPOL_ETH_TYPE)))) { |
| 1154 | |
| 1155 | DP_STATS_INC(vdev, tx_i.cce_classified_raw, 1); |
| 1156 | return true; |
| 1157 | } |
| 1158 | } |
| 1159 | |
| 1160 | return false; |
| 1161 | } |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1162 | |
| 1163 | if (qdf_unlikely(DP_FRAME_IS_SNAP(llcHdr))) { |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 1164 | ether_type = *(uint16_t *)(nbuf->data + 2*QDF_MAC_ADDR_SIZE + |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1165 | sizeof(*llcHdr)); |
| 1166 | nbuf_clone = qdf_nbuf_clone(nbuf); |
Ruchi, Agrawal | 1ca70f0 | 2018-03-19 13:53:07 +0530 | [diff] [blame] | 1167 | if (qdf_unlikely(nbuf_clone)) { |
| 1168 | qdf_nbuf_pull_head(nbuf_clone, sizeof(*llcHdr)); |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1169 | |
Srinivas Girigowda | 99f2a29 | 2019-02-12 14:20:58 -0800 | [diff] [blame] | 1170 | if (ether_type == htons(ETHERTYPE_VLAN)) { |
Ruchi, Agrawal | 1ca70f0 | 2018-03-19 13:53:07 +0530 | [diff] [blame] | 1171 | qdf_nbuf_pull_head(nbuf_clone, |
Ruchi, Agrawal | 4c1468f | 2017-12-08 00:04:33 +0530 | [diff] [blame] | 1172 | sizeof(qdf_net_vlanhdr_t)); |
Ruchi, Agrawal | 1ca70f0 | 2018-03-19 13:53:07 +0530 | [diff] [blame] | 1173 | } |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1174 | } |
| 1175 | } else { |
Srinivas Girigowda | 99f2a29 | 2019-02-12 14:20:58 -0800 | [diff] [blame] | 1176 | if (ether_type == htons(ETHERTYPE_VLAN)) { |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1177 | nbuf_clone = qdf_nbuf_clone(nbuf); |
Ruchi, Agrawal | 1ca70f0 | 2018-03-19 13:53:07 +0530 | [diff] [blame] | 1178 | if (qdf_unlikely(nbuf_clone)) { |
| 1179 | qdf_nbuf_pull_head(nbuf_clone, |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1180 | sizeof(qdf_net_vlanhdr_t)); |
Ruchi, Agrawal | 1ca70f0 | 2018-03-19 13:53:07 +0530 | [diff] [blame] | 1181 | } |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1182 | } |
| 1183 | } |
| 1184 | |
| 1185 | if (qdf_unlikely(nbuf_clone)) |
| 1186 | nbuf = nbuf_clone; |
| 1187 | |
Ruchi, Agrawal | 4c1468f | 2017-12-08 00:04:33 +0530 | [diff] [blame] | 1188 | |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1189 | if (qdf_unlikely(qdf_nbuf_is_ipv4_eapol_pkt(nbuf) |
| 1190 | || qdf_nbuf_is_ipv4_arp_pkt(nbuf) |
| 1191 | || qdf_nbuf_is_ipv4_wapi_pkt(nbuf) |
| 1192 | || qdf_nbuf_is_ipv4_tdls_pkt(nbuf) |
| 1193 | || (qdf_nbuf_is_ipv4_pkt(nbuf) |
| 1194 | && qdf_nbuf_is_ipv4_dhcp_pkt(nbuf)) |
| 1195 | || (qdf_nbuf_is_ipv6_pkt(nbuf) && |
| 1196 | qdf_nbuf_is_ipv6_dhcp_pkt(nbuf)))) { |
Jeff Johnson | a8edf33 | 2019-03-18 09:51:52 -0700 | [diff] [blame] | 1197 | if (qdf_unlikely(nbuf_clone)) |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1198 | qdf_nbuf_free(nbuf_clone); |
| 1199 | return true; |
| 1200 | } |
| 1201 | |
Jeff Johnson | a8edf33 | 2019-03-18 09:51:52 -0700 | [diff] [blame] | 1202 | if (qdf_unlikely(nbuf_clone)) |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1203 | qdf_nbuf_free(nbuf_clone); |
| 1204 | |
| 1205 | return false; |
| 1206 | } |
| 1207 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1208 | /** |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 1209 | * dp_tx_get_tid() - Obtain TID to be used for this frame |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1210 | * @vdev: DP vdev handle |
| 1211 | * @nbuf: skb |
| 1212 | * |
| 1213 | * Extract the DSCP or PCP information from frame and map into TID value. |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1214 | * |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 1215 | * Return: void |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1216 | */ |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 1217 | static void dp_tx_get_tid(struct dp_vdev *vdev, qdf_nbuf_t nbuf, |
| 1218 | struct dp_tx_msdu_info_s *msdu_info) |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1219 | { |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 1220 | uint8_t tos = 0, dscp_tid_override = 0; |
| 1221 | uint8_t *hdr_ptr, *L3datap; |
| 1222 | uint8_t is_mcast = 0; |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 1223 | qdf_ether_header_t *eh = NULL; |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 1224 | qdf_ethervlan_header_t *evh = NULL; |
| 1225 | uint16_t ether_type; |
| 1226 | qdf_llc_t *llcHdr; |
| 1227 | struct dp_pdev *pdev = (struct dp_pdev *)vdev->pdev; |
| 1228 | |
Neil Zhao | 4887636 | 2018-03-22 11:23:02 -0700 | [diff] [blame] | 1229 | DP_TX_TID_OVERRIDE(msdu_info, nbuf); |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 1230 | if (qdf_likely(vdev->tx_encap_type != htt_cmn_pkt_type_raw)) { |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 1231 | eh = (qdf_ether_header_t *)nbuf->data; |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 1232 | hdr_ptr = eh->ether_dhost; |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 1233 | L3datap = hdr_ptr + sizeof(qdf_ether_header_t); |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 1234 | } else { |
| 1235 | qdf_dot3_qosframe_t *qos_wh = |
| 1236 | (qdf_dot3_qosframe_t *) nbuf->data; |
| 1237 | msdu_info->tid = qos_wh->i_fc[0] & DP_FC0_SUBTYPE_QOS ? |
| 1238 | qos_wh->i_qos[0] & DP_QOS_TID : 0; |
| 1239 | return; |
| 1240 | } |
| 1241 | |
| 1242 | is_mcast = DP_FRAME_IS_MULTICAST(hdr_ptr); |
| 1243 | ether_type = eh->ether_type; |
Pamidipati, Vijay | 038d090 | 2017-07-17 09:53:31 +0530 | [diff] [blame] | 1244 | |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 1245 | llcHdr = (qdf_llc_t *)(nbuf->data + sizeof(qdf_ether_header_t)); |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 1246 | /* |
| 1247 | * Check if packet is dot3 or eth2 type. |
| 1248 | */ |
Pamidipati, Vijay | ef2cbc6 | 2017-09-27 23:09:06 +0530 | [diff] [blame] | 1249 | if (DP_FRAME_IS_LLC(ether_type) && DP_FRAME_IS_SNAP(llcHdr)) { |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 1250 | ether_type = (uint16_t)*(nbuf->data + 2*QDF_MAC_ADDR_SIZE + |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 1251 | sizeof(*llcHdr)); |
| 1252 | |
Srinivas Girigowda | 99f2a29 | 2019-02-12 14:20:58 -0800 | [diff] [blame] | 1253 | if (ether_type == htons(ETHERTYPE_VLAN)) { |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 1254 | L3datap = hdr_ptr + sizeof(qdf_ethervlan_header_t) + |
| 1255 | sizeof(*llcHdr); |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 1256 | ether_type = (uint16_t)*(nbuf->data + 2*QDF_MAC_ADDR_SIZE |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 1257 | + sizeof(*llcHdr) + |
| 1258 | sizeof(qdf_net_vlanhdr_t)); |
| 1259 | } else { |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 1260 | L3datap = hdr_ptr + sizeof(qdf_ether_header_t) + |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 1261 | sizeof(*llcHdr); |
| 1262 | } |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 1263 | } else { |
Srinivas Girigowda | 99f2a29 | 2019-02-12 14:20:58 -0800 | [diff] [blame] | 1264 | if (ether_type == htons(ETHERTYPE_VLAN)) { |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 1265 | evh = (qdf_ethervlan_header_t *) eh; |
| 1266 | ether_type = evh->ether_type; |
| 1267 | L3datap = hdr_ptr + sizeof(qdf_ethervlan_header_t); |
| 1268 | } |
| 1269 | } |
Pamidipati, Vijay | 038d090 | 2017-07-17 09:53:31 +0530 | [diff] [blame] | 1270 | |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 1271 | /* |
| 1272 | * Find priority from IP TOS DSCP field |
| 1273 | */ |
| 1274 | if (qdf_nbuf_is_ipv4_pkt(nbuf)) { |
| 1275 | qdf_net_iphdr_t *ip = (qdf_net_iphdr_t *) L3datap; |
| 1276 | if (qdf_nbuf_is_ipv4_dhcp_pkt(nbuf)) { |
| 1277 | /* Only for unicast frames */ |
| 1278 | if (!is_mcast) { |
| 1279 | /* send it on VO queue */ |
| 1280 | msdu_info->tid = DP_VO_TID; |
| 1281 | } |
| 1282 | } else { |
| 1283 | /* |
| 1284 | * IP frame: exclude ECN bits 0-1 and map DSCP bits 2-7 |
| 1285 | * from TOS byte. |
| 1286 | */ |
| 1287 | tos = ip->ip_tos; |
| 1288 | dscp_tid_override = 1; |
| 1289 | |
| 1290 | } |
| 1291 | } else if (qdf_nbuf_is_ipv6_pkt(nbuf)) { |
| 1292 | /* TODO |
| 1293 | * use flowlabel |
| 1294 | *igmpmld cases to be handled in phase 2 |
| 1295 | */ |
| 1296 | unsigned long ver_pri_flowlabel; |
| 1297 | unsigned long pri; |
| 1298 | ver_pri_flowlabel = *(unsigned long *) L3datap; |
| 1299 | pri = (ntohl(ver_pri_flowlabel) & IPV6_FLOWINFO_PRIORITY) >> |
| 1300 | DP_IPV6_PRIORITY_SHIFT; |
| 1301 | tos = pri; |
| 1302 | dscp_tid_override = 1; |
| 1303 | } else if (qdf_nbuf_is_ipv4_eapol_pkt(nbuf)) |
| 1304 | msdu_info->tid = DP_VO_TID; |
| 1305 | else if (qdf_nbuf_is_ipv4_arp_pkt(nbuf)) { |
| 1306 | /* Only for unicast frames */ |
| 1307 | if (!is_mcast) { |
| 1308 | /* send ucast arp on VO queue */ |
| 1309 | msdu_info->tid = DP_VO_TID; |
| 1310 | } |
| 1311 | } |
| 1312 | |
| 1313 | /* |
| 1314 | * Assign all MCAST packets to BE |
| 1315 | */ |
| 1316 | if (qdf_unlikely(vdev->tx_encap_type != htt_cmn_pkt_type_raw)) { |
| 1317 | if (is_mcast) { |
| 1318 | tos = 0; |
| 1319 | dscp_tid_override = 1; |
| 1320 | } |
| 1321 | } |
| 1322 | |
| 1323 | if (dscp_tid_override == 1) { |
| 1324 | tos = (tos >> DP_IP_DSCP_SHIFT) & DP_IP_DSCP_MASK; |
| 1325 | msdu_info->tid = pdev->dscp_tid_map[vdev->dscp_tid_map_id][tos]; |
| 1326 | } |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 1327 | |
| 1328 | if (msdu_info->tid >= CDP_MAX_DATA_TIDS) |
| 1329 | msdu_info->tid = CDP_MAX_DATA_TIDS - 1; |
| 1330 | |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 1331 | return; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1332 | } |
| 1333 | |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 1334 | /** |
| 1335 | * dp_tx_classify_tid() - Obtain TID to be used for this frame |
| 1336 | * @vdev: DP vdev handle |
| 1337 | * @nbuf: skb |
| 1338 | * |
| 1339 | * Software based TID classification is required when more than 2 DSCP-TID |
| 1340 | * mapping tables are needed. |
| 1341 | * Hardware supports 2 DSCP-TID mapping tables for HKv1 and 48 for HKv2. |
| 1342 | * |
| 1343 | * Return: void |
| 1344 | */ |
| 1345 | static void dp_tx_classify_tid(struct dp_vdev *vdev, qdf_nbuf_t nbuf, |
| 1346 | struct dp_tx_msdu_info_s *msdu_info) |
| 1347 | { |
| 1348 | struct dp_pdev *pdev = (struct dp_pdev *)vdev->pdev; |
| 1349 | |
| 1350 | DP_TX_TID_OVERRIDE(msdu_info, nbuf); |
| 1351 | |
| 1352 | if (pdev->soc && vdev->dscp_tid_map_id < pdev->soc->num_hw_dscp_tid_map) |
| 1353 | return; |
| 1354 | |
| 1355 | /* for mesh packets don't do any classification */ |
| 1356 | if (qdf_unlikely(vdev->mesh_vdev)) |
| 1357 | return; |
| 1358 | |
| 1359 | dp_tx_get_tid(vdev, nbuf, msdu_info); |
| 1360 | } |
| 1361 | |
Jeff Johnson | 6889ddf | 2019-02-08 07:22:01 -0800 | [diff] [blame] | 1362 | #ifdef FEATURE_WLAN_TDLS |
Kabilan Kannan | 60e3b30 | 2017-09-07 20:06:17 -0700 | [diff] [blame] | 1363 | /** |
| 1364 | * dp_tx_update_tdls_flags() - Update descriptor flags for TDLS frame |
| 1365 | * @tx_desc: TX descriptor |
| 1366 | * |
| 1367 | * Return: None |
| 1368 | */ |
| 1369 | static void dp_tx_update_tdls_flags(struct dp_tx_desc_s *tx_desc) |
| 1370 | { |
| 1371 | if (tx_desc->vdev) { |
jiad | 5728624 | 2018-11-02 15:47:57 +0800 | [diff] [blame] | 1372 | if (tx_desc->vdev->is_tdls_frame) { |
Kabilan Kannan | 60e3b30 | 2017-09-07 20:06:17 -0700 | [diff] [blame] | 1373 | tx_desc->flags |= DP_TX_DESC_FLAG_TDLS_FRAME; |
| 1374 | tx_desc->vdev->is_tdls_frame = false; |
jiad | 5728624 | 2018-11-02 15:47:57 +0800 | [diff] [blame] | 1375 | } |
Kabilan Kannan | 60e3b30 | 2017-09-07 20:06:17 -0700 | [diff] [blame] | 1376 | } |
| 1377 | } |
| 1378 | |
| 1379 | /** |
| 1380 | * dp_non_std_tx_comp_free_buff() - Free the non std tx packet buffer |
| 1381 | * @tx_desc: TX descriptor |
| 1382 | * @vdev: datapath vdev handle |
| 1383 | * |
| 1384 | * Return: None |
| 1385 | */ |
| 1386 | static void dp_non_std_tx_comp_free_buff(struct dp_tx_desc_s *tx_desc, |
Jeff Johnson | 6889ddf | 2019-02-08 07:22:01 -0800 | [diff] [blame] | 1387 | struct dp_vdev *vdev) |
Kabilan Kannan | 60e3b30 | 2017-09-07 20:06:17 -0700 | [diff] [blame] | 1388 | { |
| 1389 | struct hal_tx_completion_status ts = {0}; |
| 1390 | qdf_nbuf_t nbuf = tx_desc->nbuf; |
| 1391 | |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 1392 | if (qdf_unlikely(!vdev)) { |
| 1393 | dp_err("vdev is null!"); |
| 1394 | return; |
| 1395 | } |
| 1396 | |
Balamurugan Mahalingam | 3715aa4 | 2018-08-22 02:13:14 +0530 | [diff] [blame] | 1397 | hal_tx_comp_get_status(&tx_desc->comp, &ts, vdev->pdev->soc->hal_soc); |
Kabilan Kannan | 60e3b30 | 2017-09-07 20:06:17 -0700 | [diff] [blame] | 1398 | if (vdev->tx_non_std_data_callback.func) { |
| 1399 | qdf_nbuf_set_next(tx_desc->nbuf, NULL); |
| 1400 | vdev->tx_non_std_data_callback.func( |
| 1401 | vdev->tx_non_std_data_callback.ctxt, |
| 1402 | nbuf, ts.status); |
| 1403 | return; |
| 1404 | } |
| 1405 | } |
Jeff Johnson | 6889ddf | 2019-02-08 07:22:01 -0800 | [diff] [blame] | 1406 | #else |
| 1407 | static inline void dp_tx_update_tdls_flags(struct dp_tx_desc_s *tx_desc) |
| 1408 | { |
| 1409 | } |
| 1410 | |
| 1411 | static inline void dp_non_std_tx_comp_free_buff(struct dp_tx_desc_s *tx_desc, |
| 1412 | struct dp_vdev *vdev) |
| 1413 | { |
| 1414 | } |
Kabilan Kannan | 60e3b30 | 2017-09-07 20:06:17 -0700 | [diff] [blame] | 1415 | #endif |
| 1416 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1417 | /** |
| 1418 | * dp_tx_send_msdu_single() - Setup descriptor and enqueue single MSDU to TCL |
| 1419 | * @vdev: DP vdev handle |
| 1420 | * @nbuf: skb |
| 1421 | * @tid: TID from HLOS for overriding default DSCP-TID mapping |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1422 | * @meta_data: Metadata to the fw |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1423 | * @tx_q: Tx queue to be used for this Tx frame |
Ishank Jain | 9f174c6 | 2017-03-30 18:37:42 +0530 | [diff] [blame] | 1424 | * @peer_id: peer_id of the peer in case of NAWDS frames |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1425 | * @tx_exc_metadata: Handle that holds exception path metadata |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1426 | * |
| 1427 | * Return: NULL on success, |
| 1428 | * nbuf when it fails to send |
| 1429 | */ |
Jeff Johnson | 755f261 | 2017-01-05 16:28:13 -0800 | [diff] [blame] | 1430 | static qdf_nbuf_t dp_tx_send_msdu_single(struct dp_vdev *vdev, qdf_nbuf_t nbuf, |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 1431 | struct dp_tx_msdu_info_s *msdu_info, uint16_t peer_id, |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1432 | struct cdp_tx_exception_metadata *tx_exc_metadata) |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1433 | { |
| 1434 | struct dp_pdev *pdev = vdev->pdev; |
| 1435 | struct dp_soc *soc = pdev->soc; |
| 1436 | struct dp_tx_desc_s *tx_desc; |
| 1437 | QDF_STATUS status; |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 1438 | struct dp_tx_queue *tx_q = &(msdu_info->tx_queue); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1439 | void *hal_srng = soc->tcl_data_ring[tx_q->ring_id].hal_srng; |
Ishank Jain | 9f174c6 | 2017-03-30 18:37:42 +0530 | [diff] [blame] | 1440 | uint16_t htt_tcl_metadata = 0; |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 1441 | uint8_t tid = msdu_info->tid; |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 1442 | struct cdp_tid_tx_stats *tid_stats = NULL; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1443 | |
| 1444 | /* Setup Tx descriptor for an MSDU, and MSDU extension descriptor */ |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1445 | tx_desc = dp_tx_prepare_desc_single(vdev, nbuf, tx_q->desc_pool_id, |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 1446 | msdu_info, tx_exc_metadata); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1447 | if (!tx_desc) { |
Mohit Khanna | 6d22eeb | 2019-04-06 22:51:26 -0700 | [diff] [blame] | 1448 | dp_err_rl("Tx_desc prepare Fail vdev %pK queue %d", |
| 1449 | vdev, tx_q->desc_pool_id); |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 1450 | dp_tx_get_tid(vdev, nbuf, msdu_info); |
| 1451 | tid_stats = &pdev->stats.tid_stats.tid_tx_stats[msdu_info->tid]; |
| 1452 | tid_stats->swdrop_cnt[TX_DESC_ERR]++; |
Pamidipati, Vijay | fc77960 | 2017-08-07 17:58:19 +0530 | [diff] [blame] | 1453 | return nbuf; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1454 | } |
| 1455 | |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1456 | if (qdf_unlikely(soc->cce_disable)) { |
Ruchi, Agrawal | 4c1468f | 2017-12-08 00:04:33 +0530 | [diff] [blame] | 1457 | if (dp_cce_classify(vdev, nbuf) == true) { |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1458 | DP_STATS_INC(vdev, tx_i.cce_classified, 1); |
| 1459 | tid = DP_VO_TID; |
| 1460 | tx_desc->flags |= DP_TX_DESC_FLAG_TO_FW; |
| 1461 | } |
| 1462 | } |
| 1463 | |
Kabilan Kannan | 60e3b30 | 2017-09-07 20:06:17 -0700 | [diff] [blame] | 1464 | dp_tx_update_tdls_flags(tx_desc); |
| 1465 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1466 | if (qdf_unlikely(hal_srng_access_start(soc->hal_soc, hal_srng))) { |
| 1467 | QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 1468 | "%s %d : HAL RING Access Failed -- %pK", |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1469 | __func__, __LINE__, hal_srng); |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 1470 | dp_tx_get_tid(vdev, nbuf, msdu_info); |
| 1471 | tid_stats = &pdev->stats.tid_stats.tid_tx_stats[msdu_info->tid]; |
| 1472 | tid_stats->swdrop_cnt[TX_HAL_RING_ACCESS_ERR]++; |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 1473 | DP_STATS_INC(vdev, tx_i.dropped.ring_full, 1); |
Venkata Sharath Chandra Manchala | 532cd5f | 2017-04-24 11:15:30 -0700 | [diff] [blame] | 1474 | dp_tx_desc_release(tx_desc, tx_q->desc_pool_id); |
chenguo | 60e6dd9 | 2018-11-30 20:20:47 +0800 | [diff] [blame] | 1475 | qdf_nbuf_unmap(vdev->osdev, nbuf, QDF_DMA_TO_DEVICE); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1476 | goto fail_return; |
| 1477 | } |
| 1478 | |
Ruchi, Agrawal | bd894b3 | 2017-11-03 17:24:56 +0530 | [diff] [blame] | 1479 | if (qdf_unlikely(peer_id == DP_INVALID_PEER)) { |
| 1480 | htt_tcl_metadata = vdev->htt_tcl_metadata; |
| 1481 | HTT_TX_TCL_METADATA_HOST_INSPECTED_SET(htt_tcl_metadata, 1); |
| 1482 | } else if (qdf_unlikely(peer_id != HTT_INVALID_PEER)) { |
Ishank Jain | 9f174c6 | 2017-03-30 18:37:42 +0530 | [diff] [blame] | 1483 | HTT_TX_TCL_METADATA_TYPE_SET(htt_tcl_metadata, |
| 1484 | HTT_TCL_METADATA_TYPE_PEER_BASED); |
| 1485 | HTT_TX_TCL_METADATA_PEER_ID_SET(htt_tcl_metadata, |
| 1486 | peer_id); |
| 1487 | } else |
| 1488 | htt_tcl_metadata = vdev->htt_tcl_metadata; |
| 1489 | |
Venkateswara Swamy Bandaru | 97ca7e9 | 2018-04-27 18:30:10 +0530 | [diff] [blame] | 1490 | |
| 1491 | if (msdu_info->exception_fw) { |
| 1492 | HTT_TX_TCL_METADATA_VALID_HTT_SET(htt_tcl_metadata, 1); |
| 1493 | } |
| 1494 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1495 | /* Enqueue the Tx MSDU descriptor to HW for transmit */ |
| 1496 | status = dp_tx_hw_enqueue(soc, vdev, tx_desc, tid, |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1497 | htt_tcl_metadata, tx_q->ring_id, tx_exc_metadata); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1498 | |
| 1499 | if (status != QDF_STATUS_SUCCESS) { |
| 1500 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 1501 | "%s Tx_hw_enqueue Fail tx_desc %pK queue %d", |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1502 | __func__, tx_desc, tx_q->ring_id); |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 1503 | dp_tx_get_tid(vdev, nbuf, msdu_info); |
| 1504 | tid_stats = &pdev->stats.tid_stats.tid_tx_stats[msdu_info->tid]; |
| 1505 | tid_stats->swdrop_cnt[TX_HW_ENQUEUE]++; |
Ravi Joshi | ab33d9b | 2017-02-11 21:43:28 -0800 | [diff] [blame] | 1506 | dp_tx_desc_release(tx_desc, tx_q->desc_pool_id); |
chenguo | 60e6dd9 | 2018-11-30 20:20:47 +0800 | [diff] [blame] | 1507 | qdf_nbuf_unmap(vdev->osdev, nbuf, QDF_DMA_TO_DEVICE); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1508 | goto fail_return; |
| 1509 | } |
| 1510 | |
Pamidipati, Vijay | f82fb2b | 2017-06-28 05:31:50 +0530 | [diff] [blame] | 1511 | nbuf = NULL; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1512 | |
| 1513 | fail_return: |
Yue Ma | 245b47b | 2017-02-21 16:35:31 -0800 | [diff] [blame] | 1514 | if (hif_pm_runtime_get(soc->hif_handle) == 0) { |
| 1515 | hal_srng_access_end(soc->hal_soc, hal_srng); |
| 1516 | hif_pm_runtime_put(soc->hif_handle); |
| 1517 | } else { |
| 1518 | hal_srng_access_end_reap(soc->hal_soc, hal_srng); |
| 1519 | } |
| 1520 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1521 | return nbuf; |
| 1522 | } |
| 1523 | |
| 1524 | /** |
| 1525 | * dp_tx_send_msdu_multiple() - Enqueue multiple MSDUs |
| 1526 | * @vdev: DP vdev handle |
| 1527 | * @nbuf: skb |
| 1528 | * @msdu_info: MSDU info to be setup in MSDU extension descriptor |
| 1529 | * |
| 1530 | * Prepare descriptors for multiple MSDUs (TSO segments) and enqueue to TCL |
| 1531 | * |
| 1532 | * Return: NULL on success, |
| 1533 | * nbuf when it fails to send |
| 1534 | */ |
Houston Hoffman | aa12e04 | 2017-01-30 14:34:43 -0800 | [diff] [blame] | 1535 | #if QDF_LOCK_STATS |
| 1536 | static noinline |
| 1537 | #else |
Jeff Johnson | 755f261 | 2017-01-05 16:28:13 -0800 | [diff] [blame] | 1538 | static |
Houston Hoffman | aa12e04 | 2017-01-30 14:34:43 -0800 | [diff] [blame] | 1539 | #endif |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1540 | qdf_nbuf_t dp_tx_send_msdu_multiple(struct dp_vdev *vdev, qdf_nbuf_t nbuf, |
Jeff Johnson | 755f261 | 2017-01-05 16:28:13 -0800 | [diff] [blame] | 1541 | struct dp_tx_msdu_info_s *msdu_info) |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1542 | { |
| 1543 | uint8_t i; |
| 1544 | struct dp_pdev *pdev = vdev->pdev; |
| 1545 | struct dp_soc *soc = pdev->soc; |
| 1546 | struct dp_tx_desc_s *tx_desc; |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1547 | bool is_cce_classified = false; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1548 | QDF_STATUS status; |
Venkateswara Swamy Bandaru | 97ca7e9 | 2018-04-27 18:30:10 +0530 | [diff] [blame] | 1549 | uint16_t htt_tcl_metadata = 0; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1550 | |
| 1551 | struct dp_tx_queue *tx_q = &msdu_info->tx_queue; |
| 1552 | void *hal_srng = soc->tcl_data_ring[tx_q->ring_id].hal_srng; |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 1553 | struct cdp_tid_tx_stats *tid_stats = NULL; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1554 | |
| 1555 | if (qdf_unlikely(hal_srng_access_start(soc->hal_soc, hal_srng))) { |
| 1556 | QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 1557 | "%s %d : HAL RING Access Failed -- %pK", |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1558 | __func__, __LINE__, hal_srng); |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 1559 | dp_tx_get_tid(vdev, nbuf, msdu_info); |
| 1560 | tid_stats = &pdev->stats.tid_stats.tid_tx_stats[msdu_info->tid]; |
| 1561 | tid_stats->swdrop_cnt[TX_HAL_RING_ACCESS_ERR]++; |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 1562 | DP_STATS_INC(vdev, tx_i.dropped.ring_full, 1); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1563 | return nbuf; |
| 1564 | } |
| 1565 | |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1566 | if (qdf_unlikely(soc->cce_disable)) { |
Ruchi, Agrawal | 4c1468f | 2017-12-08 00:04:33 +0530 | [diff] [blame] | 1567 | is_cce_classified = dp_cce_classify(vdev, nbuf); |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1568 | if (is_cce_classified) { |
| 1569 | DP_STATS_INC(vdev, tx_i.cce_classified, 1); |
| 1570 | msdu_info->tid = DP_VO_TID; |
| 1571 | } |
| 1572 | } |
| 1573 | |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 1574 | if (msdu_info->frm_type == dp_tx_frm_me) |
| 1575 | nbuf = msdu_info->u.sg_info.curr_seg->nbuf; |
| 1576 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1577 | i = 0; |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 1578 | /* Print statement to track i and num_seg */ |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1579 | /* |
| 1580 | * For each segment (maps to 1 MSDU) , prepare software and hardware |
| 1581 | * descriptors using information in msdu_info |
| 1582 | */ |
| 1583 | while (i < msdu_info->num_seg) { |
| 1584 | /* |
| 1585 | * Setup Tx descriptor for an MSDU, and MSDU extension |
| 1586 | * descriptor |
| 1587 | */ |
| 1588 | tx_desc = dp_tx_prepare_desc(vdev, nbuf, msdu_info, |
| 1589 | tx_q->desc_pool_id); |
| 1590 | |
| 1591 | if (!tx_desc) { |
Venkata Sharath Chandra Manchala | 340c0d8 | 2017-06-15 08:52:23 -0700 | [diff] [blame] | 1592 | if (msdu_info->frm_type == dp_tx_frm_me) { |
| 1593 | dp_tx_me_free_buf(pdev, |
| 1594 | (void *)(msdu_info->u.sg_info |
| 1595 | .curr_seg->frags[0].vaddr)); |
| 1596 | } |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1597 | goto done; |
| 1598 | } |
| 1599 | |
Venkata Sharath Chandra Manchala | 340c0d8 | 2017-06-15 08:52:23 -0700 | [diff] [blame] | 1600 | if (msdu_info->frm_type == dp_tx_frm_me) { |
| 1601 | tx_desc->me_buffer = |
| 1602 | msdu_info->u.sg_info.curr_seg->frags[0].vaddr; |
| 1603 | tx_desc->flags |= DP_TX_DESC_FLAG_ME; |
| 1604 | } |
| 1605 | |
Ruchi, Agrawal | 3472139 | 2017-11-13 18:02:09 +0530 | [diff] [blame] | 1606 | if (is_cce_classified) |
| 1607 | tx_desc->flags |= DP_TX_DESC_FLAG_TO_FW; |
| 1608 | |
Venkateswara Swamy Bandaru | 97ca7e9 | 2018-04-27 18:30:10 +0530 | [diff] [blame] | 1609 | htt_tcl_metadata = vdev->htt_tcl_metadata; |
| 1610 | if (msdu_info->exception_fw) { |
| 1611 | HTT_TX_TCL_METADATA_VALID_HTT_SET(htt_tcl_metadata, 1); |
| 1612 | } |
| 1613 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1614 | /* |
| 1615 | * Enqueue the Tx MSDU descriptor to HW for transmit |
| 1616 | */ |
| 1617 | status = dp_tx_hw_enqueue(soc, vdev, tx_desc, msdu_info->tid, |
Venkateswara Swamy Bandaru | 97ca7e9 | 2018-04-27 18:30:10 +0530 | [diff] [blame] | 1618 | htt_tcl_metadata, tx_q->ring_id, NULL); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1619 | |
| 1620 | if (status != QDF_STATUS_SUCCESS) { |
| 1621 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 1622 | "%s Tx_hw_enqueue Fail tx_desc %pK queue %d", |
| 1623 | __func__, tx_desc, tx_q->ring_id); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1624 | |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 1625 | dp_tx_get_tid(vdev, nbuf, msdu_info); |
| 1626 | tid_stats = &pdev->stats.tid_stats. |
| 1627 | tid_tx_stats[msdu_info->tid]; |
| 1628 | tid_stats->swdrop_cnt[TX_HW_ENQUEUE]++; |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 1629 | if (tx_desc->flags & DP_TX_DESC_FLAG_ME) |
| 1630 | dp_tx_me_free_buf(pdev, tx_desc->me_buffer); |
| 1631 | |
Ravi Joshi | ab33d9b | 2017-02-11 21:43:28 -0800 | [diff] [blame] | 1632 | dp_tx_desc_release(tx_desc, tx_q->desc_pool_id); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1633 | goto done; |
| 1634 | } |
| 1635 | |
| 1636 | /* |
| 1637 | * TODO |
| 1638 | * if tso_info structure can be modified to have curr_seg |
| 1639 | * as first element, following 2 blocks of code (for TSO and SG) |
| 1640 | * can be combined into 1 |
| 1641 | */ |
| 1642 | |
| 1643 | /* |
| 1644 | * For frames with multiple segments (TSO, ME), jump to next |
| 1645 | * segment. |
| 1646 | */ |
| 1647 | if (msdu_info->frm_type == dp_tx_frm_tso) { |
| 1648 | if (msdu_info->u.tso_info.curr_seg->next) { |
| 1649 | msdu_info->u.tso_info.curr_seg = |
| 1650 | msdu_info->u.tso_info.curr_seg->next; |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 1651 | |
| 1652 | /* |
| 1653 | * If this is a jumbo nbuf, then increment the number of |
| 1654 | * nbuf users for each additional segment of the msdu. |
| 1655 | * This will ensure that the skb is freed only after |
| 1656 | * receiving tx completion for all segments of an nbuf |
| 1657 | */ |
| 1658 | qdf_nbuf_inc_users(nbuf); |
| 1659 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1660 | /* Check with MCL if this is needed */ |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 1661 | /* nbuf = msdu_info->u.tso_info.curr_seg->nbuf; */ |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1662 | } |
| 1663 | } |
| 1664 | |
| 1665 | /* |
| 1666 | * For Multicast-Unicast converted packets, |
| 1667 | * each converted frame (for a client) is represented as |
| 1668 | * 1 segment |
| 1669 | */ |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 1670 | if ((msdu_info->frm_type == dp_tx_frm_sg) || |
| 1671 | (msdu_info->frm_type == dp_tx_frm_me)) { |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1672 | if (msdu_info->u.sg_info.curr_seg->next) { |
| 1673 | msdu_info->u.sg_info.curr_seg = |
| 1674 | msdu_info->u.sg_info.curr_seg->next; |
| 1675 | nbuf = msdu_info->u.sg_info.curr_seg->nbuf; |
| 1676 | } |
| 1677 | } |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1678 | i++; |
| 1679 | } |
| 1680 | |
| 1681 | nbuf = NULL; |
| 1682 | |
| 1683 | done: |
Yue Ma | 245b47b | 2017-02-21 16:35:31 -0800 | [diff] [blame] | 1684 | if (hif_pm_runtime_get(soc->hif_handle) == 0) { |
| 1685 | hal_srng_access_end(soc->hal_soc, hal_srng); |
| 1686 | hif_pm_runtime_put(soc->hif_handle); |
| 1687 | } else { |
| 1688 | hal_srng_access_end_reap(soc->hal_soc, hal_srng); |
| 1689 | } |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1690 | |
| 1691 | return nbuf; |
| 1692 | } |
| 1693 | |
| 1694 | /** |
| 1695 | * dp_tx_prepare_sg()- Extract SG info from NBUF and prepare msdu_info |
| 1696 | * for SG frames |
| 1697 | * @vdev: DP vdev handle |
| 1698 | * @nbuf: skb |
| 1699 | * @seg_info: Pointer to Segment info Descriptor to be prepared |
| 1700 | * @msdu_info: MSDU info to be setup in MSDU descriptor and MSDU extension desc. |
| 1701 | * |
| 1702 | * Return: NULL on success, |
| 1703 | * nbuf when it fails to send |
| 1704 | */ |
Jeff Johnson | 755f261 | 2017-01-05 16:28:13 -0800 | [diff] [blame] | 1705 | static qdf_nbuf_t dp_tx_prepare_sg(struct dp_vdev *vdev, qdf_nbuf_t nbuf, |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1706 | struct dp_tx_seg_info_s *seg_info, struct dp_tx_msdu_info_s *msdu_info) |
| 1707 | { |
| 1708 | uint32_t cur_frag, nr_frags; |
| 1709 | qdf_dma_addr_t paddr; |
| 1710 | struct dp_tx_sg_info_s *sg_info; |
| 1711 | |
| 1712 | sg_info = &msdu_info->u.sg_info; |
| 1713 | nr_frags = qdf_nbuf_get_nr_frags(nbuf); |
| 1714 | |
Pamidipati, Vijay | 110bf96 | 2017-03-24 21:38:20 +0530 | [diff] [blame] | 1715 | if (QDF_STATUS_SUCCESS != qdf_nbuf_map(vdev->osdev, nbuf, |
| 1716 | QDF_DMA_TO_DEVICE)) { |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1717 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 1718 | "dma map error"); |
Ishank Jain | 57c42a1 | 2017-04-12 10:42:22 +0530 | [diff] [blame] | 1719 | DP_STATS_INC(vdev, tx_i.sg.dma_map_error, 1); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1720 | |
| 1721 | qdf_nbuf_free(nbuf); |
| 1722 | return NULL; |
| 1723 | } |
| 1724 | |
Pamidipati, Vijay | da917d5 | 2017-07-18 20:13:22 +0530 | [diff] [blame] | 1725 | paddr = qdf_nbuf_get_frag_paddr(nbuf, 0); |
| 1726 | seg_info->frags[0].paddr_lo = paddr; |
| 1727 | seg_info->frags[0].paddr_hi = ((uint64_t) paddr) >> 32; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1728 | seg_info->frags[0].len = qdf_nbuf_headlen(nbuf); |
| 1729 | seg_info->frags[0].vaddr = (void *) nbuf; |
| 1730 | |
| 1731 | for (cur_frag = 0; cur_frag < nr_frags; cur_frag++) { |
| 1732 | if (QDF_STATUS_E_FAILURE == qdf_nbuf_frag_map(vdev->osdev, |
| 1733 | nbuf, 0, QDF_DMA_TO_DEVICE, cur_frag)) { |
| 1734 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 1735 | "frag dma map error"); |
Ishank Jain | 57c42a1 | 2017-04-12 10:42:22 +0530 | [diff] [blame] | 1736 | DP_STATS_INC(vdev, tx_i.sg.dma_map_error, 1); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 1737 | qdf_nbuf_free(nbuf); |
| 1738 | return NULL; |
| 1739 | } |
| 1740 | |
| 1741 | paddr = qdf_nbuf_get_frag_paddr(nbuf, 0); |
| 1742 | seg_info->frags[cur_frag + 1].paddr_lo = paddr; |
| 1743 | seg_info->frags[cur_frag + 1].paddr_hi = |
| 1744 | ((uint64_t) paddr) >> 32; |
| 1745 | seg_info->frags[cur_frag + 1].len = |
| 1746 | qdf_nbuf_get_frag_size(nbuf, cur_frag); |
| 1747 | } |
| 1748 | |
| 1749 | seg_info->frag_cnt = (cur_frag + 1); |
| 1750 | seg_info->total_len = qdf_nbuf_len(nbuf); |
| 1751 | seg_info->next = NULL; |
| 1752 | |
| 1753 | sg_info->curr_seg = seg_info; |
| 1754 | |
| 1755 | msdu_info->frm_type = dp_tx_frm_sg; |
| 1756 | msdu_info->num_seg = 1; |
| 1757 | |
| 1758 | return nbuf; |
| 1759 | } |
| 1760 | |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 1761 | #ifdef MESH_MODE_SUPPORT |
| 1762 | |
| 1763 | /** |
| 1764 | * dp_tx_extract_mesh_meta_data()- Extract mesh meta hdr info from nbuf |
| 1765 | and prepare msdu_info for mesh frames. |
| 1766 | * @vdev: DP vdev handle |
| 1767 | * @nbuf: skb |
| 1768 | * @msdu_info: MSDU info to be setup in MSDU descriptor and MSDU extension desc. |
| 1769 | * |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 1770 | * Return: NULL on failure, |
| 1771 | * nbuf when extracted successfully |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 1772 | */ |
| 1773 | static |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 1774 | qdf_nbuf_t dp_tx_extract_mesh_meta_data(struct dp_vdev *vdev, qdf_nbuf_t nbuf, |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 1775 | struct dp_tx_msdu_info_s *msdu_info) |
| 1776 | { |
| 1777 | struct meta_hdr_s *mhdr; |
| 1778 | struct htt_tx_msdu_desc_ext2_t *meta_data = |
| 1779 | (struct htt_tx_msdu_desc_ext2_t *)&msdu_info->meta_data[0]; |
| 1780 | |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 1781 | mhdr = (struct meta_hdr_s *)qdf_nbuf_data(nbuf); |
| 1782 | |
| 1783 | if (CB_FTYPE_MESH_TX_INFO != qdf_nbuf_get_tx_ftype(nbuf)) { |
| 1784 | msdu_info->exception_fw = 0; |
| 1785 | goto remove_meta_hdr; |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 1786 | } |
| 1787 | |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 1788 | msdu_info->exception_fw = 1; |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 1789 | |
hangtian | fe681a5 | 2019-01-16 17:16:28 +0800 | [diff] [blame] | 1790 | qdf_mem_zero(meta_data, sizeof(struct htt_tx_msdu_desc_ext2_t)); |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 1791 | |
Venkateswara Swamy Bandaru | 8068304 | 2017-11-07 15:11:31 +0530 | [diff] [blame] | 1792 | meta_data->host_tx_desc_pool = 1; |
Venkateswara Swamy Bandaru | d004c7e | 2018-01-29 17:53:52 +0530 | [diff] [blame] | 1793 | meta_data->update_peer_cache = 1; |
| 1794 | meta_data->learning_frame = 1; |
Venkateswara Swamy Bandaru | 8068304 | 2017-11-07 15:11:31 +0530 | [diff] [blame] | 1795 | |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 1796 | if (!(mhdr->flags & METAHDR_FLAG_AUTO_RATE)) { |
| 1797 | meta_data->power = mhdr->power; |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 1798 | |
Venkateswara Swamy Bandaru | 7e19ec5 | 2017-04-17 19:32:18 +0530 | [diff] [blame] | 1799 | meta_data->mcs_mask = 1 << mhdr->rate_info[0].mcs; |
| 1800 | meta_data->nss_mask = 1 << mhdr->rate_info[0].nss; |
| 1801 | meta_data->pream_type = mhdr->rate_info[0].preamble_type; |
| 1802 | meta_data->retry_limit = mhdr->rate_info[0].max_tries; |
| 1803 | |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 1804 | meta_data->dyn_bw = 1; |
| 1805 | |
| 1806 | meta_data->valid_pwr = 1; |
| 1807 | meta_data->valid_mcs_mask = 1; |
| 1808 | meta_data->valid_nss_mask = 1; |
| 1809 | meta_data->valid_preamble_type = 1; |
| 1810 | meta_data->valid_retries = 1; |
| 1811 | meta_data->valid_bw_info = 1; |
| 1812 | } |
| 1813 | |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 1814 | if (mhdr->flags & METAHDR_FLAG_NOENCRYPT) { |
| 1815 | meta_data->encrypt_type = 0; |
| 1816 | meta_data->valid_encrypt_type = 1; |
Venkateswara Swamy Bandaru | 6523a02 | 2018-02-22 17:55:49 +0530 | [diff] [blame] | 1817 | meta_data->learning_frame = 0; |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 1818 | } |
| 1819 | |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 1820 | meta_data->valid_key_flags = 1; |
| 1821 | meta_data->key_flags = (mhdr->keyix & 0x3); |
| 1822 | |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 1823 | remove_meta_hdr: |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 1824 | if (qdf_nbuf_pull_head(nbuf, sizeof(struct meta_hdr_s)) == NULL) { |
| 1825 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 1826 | "qdf_nbuf_pull_head failed"); |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 1827 | qdf_nbuf_free(nbuf); |
| 1828 | return NULL; |
| 1829 | } |
Venkateswara Swamy Bandaru | c64c862 | 2017-02-27 20:08:33 +0530 | [diff] [blame] | 1830 | |
Venkateswara Swamy Bandaru | 09444a1 | 2019-02-15 12:24:26 +0530 | [diff] [blame] | 1831 | msdu_info->tid = qdf_nbuf_get_priority(nbuf); |
Venkateswara Swamy Bandaru | 165d0ab | 2018-02-12 19:26:56 +0530 | [diff] [blame] | 1832 | |
Venkateswara Swamy Bandaru | 37a3a45 | 2018-02-12 15:37:14 +0530 | [diff] [blame] | 1833 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO_HIGH, |
| 1834 | "%s , Meta hdr %0x %0x %0x %0x %0x %0x" |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 1835 | " tid %d to_fw %d", |
Venkateswara Swamy Bandaru | c64c862 | 2017-02-27 20:08:33 +0530 | [diff] [blame] | 1836 | __func__, msdu_info->meta_data[0], |
| 1837 | msdu_info->meta_data[1], |
| 1838 | msdu_info->meta_data[2], |
| 1839 | msdu_info->meta_data[3], |
Venkateswara Swamy Bandaru | 37a3a45 | 2018-02-12 15:37:14 +0530 | [diff] [blame] | 1840 | msdu_info->meta_data[4], |
| 1841 | msdu_info->meta_data[5], |
| 1842 | msdu_info->tid, msdu_info->exception_fw); |
Venkateswara Swamy Bandaru | c64c862 | 2017-02-27 20:08:33 +0530 | [diff] [blame] | 1843 | |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 1844 | return nbuf; |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 1845 | } |
| 1846 | #else |
| 1847 | static |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 1848 | qdf_nbuf_t dp_tx_extract_mesh_meta_data(struct dp_vdev *vdev, qdf_nbuf_t nbuf, |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 1849 | struct dp_tx_msdu_info_s *msdu_info) |
| 1850 | { |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 1851 | return nbuf; |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 1852 | } |
| 1853 | |
| 1854 | #endif |
| 1855 | |
Ishank Jain | 9f174c6 | 2017-03-30 18:37:42 +0530 | [diff] [blame] | 1856 | /** |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1857 | * dp_check_exc_metadata() - Checks if parameters are valid |
| 1858 | * @tx_exc - holds all exception path parameters |
| 1859 | * |
| 1860 | * Returns true when all the parameters are valid else false |
| 1861 | * |
| 1862 | */ |
| 1863 | static bool dp_check_exc_metadata(struct cdp_tx_exception_metadata *tx_exc) |
| 1864 | { |
| 1865 | if ((tx_exc->tid > DP_MAX_TIDS && tx_exc->tid != HTT_INVALID_TID) || |
| 1866 | tx_exc->tx_encap_type > htt_cmn_pkt_num_types || |
| 1867 | tx_exc->sec_type > cdp_num_sec_types) { |
| 1868 | return false; |
| 1869 | } |
| 1870 | |
| 1871 | return true; |
| 1872 | } |
| 1873 | |
| 1874 | /** |
| 1875 | * dp_tx_send_exception() - Transmit a frame on a given VAP in exception path |
| 1876 | * @vap_dev: DP vdev handle |
| 1877 | * @nbuf: skb |
| 1878 | * @tx_exc_metadata: Handle that holds exception path meta data |
| 1879 | * |
| 1880 | * Entry point for Core Tx layer (DP_TX) invoked from |
| 1881 | * hard_start_xmit in OSIF/HDD to transmit frames through fw |
| 1882 | * |
| 1883 | * Return: NULL on success, |
| 1884 | * nbuf when it fails to send |
| 1885 | */ |
| 1886 | qdf_nbuf_t dp_tx_send_exception(void *vap_dev, qdf_nbuf_t nbuf, |
| 1887 | struct cdp_tx_exception_metadata *tx_exc_metadata) |
| 1888 | { |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 1889 | qdf_ether_header_t *eh = NULL; |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1890 | struct dp_vdev *vdev = (struct dp_vdev *) vap_dev; |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 1891 | struct dp_tx_msdu_info_s msdu_info; |
| 1892 | |
hangtian | fe681a5 | 2019-01-16 17:16:28 +0800 | [diff] [blame] | 1893 | qdf_mem_zero(&msdu_info, sizeof(msdu_info)); |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 1894 | |
| 1895 | msdu_info.tid = tx_exc_metadata->tid; |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1896 | |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 1897 | eh = (qdf_ether_header_t *)qdf_nbuf_data(nbuf); |
Krunal Soni | c96a116 | 2019-02-21 11:33:26 -0800 | [diff] [blame] | 1898 | dp_verbose_debug("skb %pM", nbuf->data); |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1899 | |
| 1900 | DP_STATS_INC_PKT(vdev, tx_i.rcvd, 1, qdf_nbuf_len(nbuf)); |
| 1901 | |
| 1902 | if (qdf_unlikely(!dp_check_exc_metadata(tx_exc_metadata))) { |
| 1903 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 1904 | "Invalid parameters in exception path"); |
| 1905 | goto fail; |
| 1906 | } |
| 1907 | |
| 1908 | /* Basic sanity checks for unsupported packets */ |
| 1909 | |
| 1910 | /* MESH mode */ |
| 1911 | if (qdf_unlikely(vdev->mesh_vdev)) { |
| 1912 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 1913 | "Mesh mode is not supported in exception path"); |
| 1914 | goto fail; |
| 1915 | } |
| 1916 | |
| 1917 | /* TSO or SG */ |
| 1918 | if (qdf_unlikely(qdf_nbuf_is_tso(nbuf)) || |
| 1919 | qdf_unlikely(qdf_nbuf_is_nonlinear(nbuf))) { |
| 1920 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 1921 | "TSO and SG are not supported in exception path"); |
| 1922 | |
| 1923 | goto fail; |
| 1924 | } |
| 1925 | |
| 1926 | /* RAW */ |
| 1927 | if (qdf_unlikely(tx_exc_metadata->tx_encap_type == htt_cmn_pkt_type_raw)) { |
| 1928 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 1929 | "Raw frame is not supported in exception path"); |
| 1930 | goto fail; |
| 1931 | } |
| 1932 | |
| 1933 | |
| 1934 | /* Mcast enhancement*/ |
| 1935 | if (qdf_unlikely(vdev->mcast_enhancement_en > 0)) { |
Tallapragada Kalyan | 5e3a39c | 2018-08-24 16:34:12 +0530 | [diff] [blame] | 1936 | if (DP_FRAME_IS_MULTICAST((eh)->ether_dhost) && |
| 1937 | !DP_FRAME_IS_BROADCAST((eh)->ether_dhost)) { |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1938 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 1939 | "Ignoring mcast_enhancement_en which is set and sending the mcast packet to the FW"); |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1940 | } |
| 1941 | } |
| 1942 | |
| 1943 | /* |
| 1944 | * Get HW Queue to use for this frame. |
| 1945 | * TCL supports upto 4 DMA rings, out of which 3 rings are |
| 1946 | * dedicated for data and 1 for command. |
| 1947 | * "queue_id" maps to one hardware ring. |
| 1948 | * With each ring, we also associate a unique Tx descriptor pool |
| 1949 | * to minimize lock contention for these resources. |
| 1950 | */ |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 1951 | dp_tx_get_queue(vdev, nbuf, &msdu_info.tx_queue); |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1952 | |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1953 | /* Single linear frame */ |
| 1954 | /* |
| 1955 | * If nbuf is a simple linear frame, use send_single function to |
| 1956 | * prepare direct-buffer type TCL descriptor and enqueue to TCL |
| 1957 | * SRNG. There is no need to setup a MSDU extension descriptor. |
| 1958 | */ |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 1959 | nbuf = dp_tx_send_msdu_single(vdev, nbuf, &msdu_info, |
| 1960 | tx_exc_metadata->peer_id, tx_exc_metadata); |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1961 | |
| 1962 | return nbuf; |
| 1963 | |
| 1964 | fail: |
Krunal Soni | c96a116 | 2019-02-21 11:33:26 -0800 | [diff] [blame] | 1965 | dp_verbose_debug("pkt send failed"); |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 1966 | return nbuf; |
| 1967 | } |
| 1968 | |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 1969 | /** |
| 1970 | * dp_tx_send_mesh() - Transmit mesh frame on a given VAP |
| 1971 | * @vap_dev: DP vdev handle |
| 1972 | * @nbuf: skb |
| 1973 | * |
| 1974 | * Entry point for Core Tx layer (DP_TX) invoked from |
| 1975 | * hard_start_xmit in OSIF/HDD |
| 1976 | * |
| 1977 | * Return: NULL on success, |
| 1978 | * nbuf when it fails to send |
| 1979 | */ |
| 1980 | #ifdef MESH_MODE_SUPPORT |
| 1981 | qdf_nbuf_t dp_tx_send_mesh(void *vap_dev, qdf_nbuf_t nbuf) |
| 1982 | { |
| 1983 | struct meta_hdr_s *mhdr; |
| 1984 | qdf_nbuf_t nbuf_mesh = NULL; |
| 1985 | qdf_nbuf_t nbuf_clone = NULL; |
| 1986 | struct dp_vdev *vdev = (struct dp_vdev *) vap_dev; |
Venkateswara Swamy Bandaru | 6523a02 | 2018-02-22 17:55:49 +0530 | [diff] [blame] | 1987 | uint8_t no_enc_frame = 0; |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 1988 | |
| 1989 | nbuf_mesh = qdf_nbuf_unshare(nbuf); |
Jeff Johnson | a8edf33 | 2019-03-18 09:51:52 -0700 | [diff] [blame] | 1990 | if (!nbuf_mesh) { |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 1991 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 1992 | "qdf_nbuf_unshare failed"); |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 1993 | return nbuf; |
| 1994 | } |
| 1995 | nbuf = nbuf_mesh; |
| 1996 | |
| 1997 | mhdr = (struct meta_hdr_s *)qdf_nbuf_data(nbuf); |
Venkateswara Swamy Bandaru | 6523a02 | 2018-02-22 17:55:49 +0530 | [diff] [blame] | 1998 | |
| 1999 | if ((vdev->sec_type != cdp_sec_type_none) && |
| 2000 | (mhdr->flags & METAHDR_FLAG_NOENCRYPT)) |
| 2001 | no_enc_frame = 1; |
| 2002 | |
Venkateswara Swamy Bandaru | 09444a1 | 2019-02-15 12:24:26 +0530 | [diff] [blame] | 2003 | if (mhdr->flags & METAHDR_FLAG_NOQOS) |
| 2004 | qdf_nbuf_set_priority(nbuf, HTT_TX_EXT_TID_NON_QOS_MCAST_BCAST); |
| 2005 | |
Venkateswara Swamy Bandaru | 6523a02 | 2018-02-22 17:55:49 +0530 | [diff] [blame] | 2006 | if ((mhdr->flags & METAHDR_FLAG_INFO_UPDATED) && |
| 2007 | !no_enc_frame) { |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 2008 | nbuf_clone = qdf_nbuf_clone(nbuf); |
Jeff Johnson | a8edf33 | 2019-03-18 09:51:52 -0700 | [diff] [blame] | 2009 | if (!nbuf_clone) { |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 2010 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 2011 | "qdf_nbuf_clone failed"); |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 2012 | return nbuf; |
| 2013 | } |
| 2014 | qdf_nbuf_set_tx_ftype(nbuf_clone, CB_FTYPE_MESH_TX_INFO); |
| 2015 | } |
| 2016 | |
| 2017 | if (nbuf_clone) { |
| 2018 | if (!dp_tx_send(vap_dev, nbuf_clone)) { |
| 2019 | DP_STATS_INC(vdev, tx_i.mesh.exception_fw, 1); |
Yun Park | aadee8c | 2018-06-04 11:21:40 -0700 | [diff] [blame] | 2020 | } else { |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 2021 | qdf_nbuf_free(nbuf_clone); |
Yun Park | aadee8c | 2018-06-04 11:21:40 -0700 | [diff] [blame] | 2022 | } |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 2023 | } |
| 2024 | |
Venkateswara Swamy Bandaru | 6523a02 | 2018-02-22 17:55:49 +0530 | [diff] [blame] | 2025 | if (no_enc_frame) |
| 2026 | qdf_nbuf_set_tx_ftype(nbuf, CB_FTYPE_MESH_TX_INFO); |
| 2027 | else |
| 2028 | qdf_nbuf_set_tx_ftype(nbuf, CB_FTYPE_INVALID); |
| 2029 | |
| 2030 | nbuf = dp_tx_send(vap_dev, nbuf); |
Jeff Johnson | a8edf33 | 2019-03-18 09:51:52 -0700 | [diff] [blame] | 2031 | if ((!nbuf) && no_enc_frame) { |
Venkateswara Swamy Bandaru | 6523a02 | 2018-02-22 17:55:49 +0530 | [diff] [blame] | 2032 | DP_STATS_INC(vdev, tx_i.mesh.exception_fw, 1); |
| 2033 | } |
| 2034 | |
| 2035 | return nbuf; |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 2036 | } |
| 2037 | |
| 2038 | #else |
| 2039 | |
| 2040 | qdf_nbuf_t dp_tx_send_mesh(void *vap_dev, qdf_nbuf_t nbuf) |
| 2041 | { |
| 2042 | return dp_tx_send(vap_dev, nbuf); |
| 2043 | } |
| 2044 | |
| 2045 | #endif |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 2046 | |
| 2047 | /** |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2048 | * dp_tx_send() - Transmit a frame on a given VAP |
| 2049 | * @vap_dev: DP vdev handle |
| 2050 | * @nbuf: skb |
| 2051 | * |
| 2052 | * Entry point for Core Tx layer (DP_TX) invoked from |
| 2053 | * hard_start_xmit in OSIF/HDD or from dp_rx_process for intravap forwarding |
| 2054 | * cases |
| 2055 | * |
| 2056 | * Return: NULL on success, |
| 2057 | * nbuf when it fails to send |
| 2058 | */ |
| 2059 | qdf_nbuf_t dp_tx_send(void *vap_dev, qdf_nbuf_t nbuf) |
| 2060 | { |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 2061 | qdf_ether_header_t *eh = NULL; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2062 | struct dp_tx_msdu_info_s msdu_info; |
| 2063 | struct dp_tx_seg_info_s seg_info; |
| 2064 | struct dp_vdev *vdev = (struct dp_vdev *) vap_dev; |
Ishank Jain | 9f174c6 | 2017-03-30 18:37:42 +0530 | [diff] [blame] | 2065 | uint16_t peer_id = HTT_INVALID_PEER; |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 2066 | qdf_nbuf_t nbuf_mesh = NULL; |
| 2067 | |
hangtian | fe681a5 | 2019-01-16 17:16:28 +0800 | [diff] [blame] | 2068 | qdf_mem_zero(&msdu_info, sizeof(msdu_info)); |
| 2069 | qdf_mem_zero(&seg_info, sizeof(seg_info)); |
Ishank Jain | 2f81e96 | 2017-01-23 22:42:37 +0530 | [diff] [blame] | 2070 | |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 2071 | eh = (qdf_ether_header_t *)qdf_nbuf_data(nbuf); |
Pranita Solanke | a5a3ae7 | 2018-01-18 21:45:27 +0530 | [diff] [blame] | 2072 | |
Krunal Soni | c96a116 | 2019-02-21 11:33:26 -0800 | [diff] [blame] | 2073 | dp_verbose_debug("skb %pM", nbuf->data); |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 2074 | |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 2075 | /* |
| 2076 | * Set Default Host TID value to invalid TID |
| 2077 | * (TID override disabled) |
| 2078 | */ |
| 2079 | msdu_info.tid = HTT_TX_EXT_TID_INVALID; |
Ishank Jain | e73c403 | 2017-03-16 11:48:15 +0530 | [diff] [blame] | 2080 | DP_STATS_INC_PKT(vdev, tx_i.rcvd, 1, qdf_nbuf_len(nbuf)); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2081 | |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 2082 | if (qdf_unlikely(vdev->mesh_vdev)) { |
| 2083 | nbuf_mesh = dp_tx_extract_mesh_meta_data(vdev, nbuf, |
| 2084 | &msdu_info); |
Jeff Johnson | a8edf33 | 2019-03-18 09:51:52 -0700 | [diff] [blame] | 2085 | if (!nbuf_mesh) { |
Krunal Soni | c96a116 | 2019-02-21 11:33:26 -0800 | [diff] [blame] | 2086 | dp_verbose_debug("Extracting mesh metadata failed"); |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 2087 | return nbuf; |
| 2088 | } |
| 2089 | nbuf = nbuf_mesh; |
| 2090 | } |
Venkateswara Swamy Bandaru | c64c862 | 2017-02-27 20:08:33 +0530 | [diff] [blame] | 2091 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2092 | /* |
| 2093 | * Get HW Queue to use for this frame. |
| 2094 | * TCL supports upto 4 DMA rings, out of which 3 rings are |
| 2095 | * dedicated for data and 1 for command. |
| 2096 | * "queue_id" maps to one hardware ring. |
| 2097 | * With each ring, we also associate a unique Tx descriptor pool |
| 2098 | * to minimize lock contention for these resources. |
| 2099 | */ |
| 2100 | dp_tx_get_queue(vdev, nbuf, &msdu_info.tx_queue); |
| 2101 | |
| 2102 | /* |
| 2103 | * TCL H/W supports 2 DSCP-TID mapping tables. |
| 2104 | * Table 1 - Default DSCP-TID mapping table |
| 2105 | * Table 2 - 1 DSCP-TID override table |
| 2106 | * |
| 2107 | * If we need a different DSCP-TID mapping for this vap, |
| 2108 | * call tid_classify to extract DSCP/ToS from frame and |
| 2109 | * map to a TID and store in msdu_info. This is later used |
| 2110 | * to fill in TCL Input descriptor (per-packet TID override). |
| 2111 | */ |
Neil Zhao | 4887636 | 2018-03-22 11:23:02 -0700 | [diff] [blame] | 2112 | dp_tx_classify_tid(vdev, nbuf, &msdu_info); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2113 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2114 | /* |
| 2115 | * Classify the frame and call corresponding |
| 2116 | * "prepare" function which extracts the segment (TSO) |
| 2117 | * and fragmentation information (for TSO , SG, ME, or Raw) |
| 2118 | * into MSDU_INFO structure which is later used to fill |
| 2119 | * SW and HW descriptors. |
| 2120 | */ |
| 2121 | if (qdf_nbuf_is_tso(nbuf)) { |
Krunal Soni | c96a116 | 2019-02-21 11:33:26 -0800 | [diff] [blame] | 2122 | dp_verbose_debug("TSO frame %pK", vdev); |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 2123 | DP_STATS_INC_PKT(vdev, tx_i.tso.tso_pkt, 1, |
Ishank Jain | bc2d91f | 2017-01-03 18:14:54 +0530 | [diff] [blame] | 2124 | qdf_nbuf_len(nbuf)); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2125 | |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 2126 | if (dp_tx_prepare_tso(vdev, nbuf, &msdu_info)) { |
Amir Patel | 0291157 | 2018-07-02 13:00:53 +0530 | [diff] [blame] | 2127 | DP_STATS_INC_PKT(vdev, tx_i.tso.dropped_host, 1, |
| 2128 | qdf_nbuf_len(nbuf)); |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 2129 | return nbuf; |
| 2130 | } |
| 2131 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2132 | goto send_multiple; |
| 2133 | } |
| 2134 | |
| 2135 | /* SG */ |
| 2136 | if (qdf_unlikely(qdf_nbuf_is_nonlinear(nbuf))) { |
| 2137 | nbuf = dp_tx_prepare_sg(vdev, nbuf, &seg_info, &msdu_info); |
| 2138 | |
Chaitanya Kiran Godavarthi | b1e2bf5 | 2019-01-10 15:05:17 +0530 | [diff] [blame] | 2139 | if (!nbuf) |
| 2140 | return NULL; |
| 2141 | |
Krunal Soni | c96a116 | 2019-02-21 11:33:26 -0800 | [diff] [blame] | 2142 | dp_verbose_debug("non-TSO SG frame %pK", vdev); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2143 | |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 2144 | DP_STATS_INC_PKT(vdev, tx_i.sg.sg_pkt, 1, |
Ishank Jain | bc2d91f | 2017-01-03 18:14:54 +0530 | [diff] [blame] | 2145 | qdf_nbuf_len(nbuf)); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2146 | |
| 2147 | goto send_multiple; |
| 2148 | } |
| 2149 | |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 2150 | #ifdef ATH_SUPPORT_IQUE |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2151 | /* Mcast to Ucast Conversion*/ |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 2152 | if (qdf_unlikely(vdev->mcast_enhancement_en > 0)) { |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 2153 | eh = (qdf_ether_header_t *)qdf_nbuf_data(nbuf); |
Chaithanya Garrepalli | 85c447c | 2018-10-16 17:54:06 +0530 | [diff] [blame] | 2154 | if (DP_FRAME_IS_MULTICAST((eh)->ether_dhost) && |
| 2155 | !DP_FRAME_IS_BROADCAST((eh)->ether_dhost)) { |
Krunal Soni | c96a116 | 2019-02-21 11:33:26 -0800 | [diff] [blame] | 2156 | dp_verbose_debug("Mcast frm for ME %pK", vdev); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2157 | |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 2158 | DP_STATS_INC_PKT(vdev, |
| 2159 | tx_i.mcast_en.mcast_pkt, 1, |
Ishank Jain | bc2d91f | 2017-01-03 18:14:54 +0530 | [diff] [blame] | 2160 | qdf_nbuf_len(nbuf)); |
Pamidipati, Vijay | 726ea12 | 2018-02-07 18:27:00 +0530 | [diff] [blame] | 2161 | if (dp_tx_prepare_send_me(vdev, nbuf) == |
Pamidipati, Vijay | aeff444 | 2018-01-19 22:58:32 +0530 | [diff] [blame] | 2162 | QDF_STATUS_SUCCESS) { |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 2163 | return NULL; |
| 2164 | } |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2165 | } |
| 2166 | } |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 2167 | #endif |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2168 | |
| 2169 | /* RAW */ |
Ishank Jain | 949674c | 2017-02-27 17:09:29 +0530 | [diff] [blame] | 2170 | if (qdf_unlikely(vdev->tx_encap_type == htt_cmn_pkt_type_raw)) { |
Venkateswara Swamy Bandaru | 9907596 | 2016-12-27 11:55:15 +0530 | [diff] [blame] | 2171 | nbuf = dp_tx_prepare_raw(vdev, nbuf, &seg_info, &msdu_info); |
Jeff Johnson | a8edf33 | 2019-03-18 09:51:52 -0700 | [diff] [blame] | 2172 | if (!nbuf) |
Venkateswara Swamy Bandaru | 9907596 | 2016-12-27 11:55:15 +0530 | [diff] [blame] | 2173 | return NULL; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2174 | |
Krunal Soni | c96a116 | 2019-02-21 11:33:26 -0800 | [diff] [blame] | 2175 | dp_verbose_debug("Raw frame %pK", vdev); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2176 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2177 | goto send_multiple; |
| 2178 | |
| 2179 | } |
| 2180 | |
| 2181 | /* Single linear frame */ |
| 2182 | /* |
| 2183 | * If nbuf is a simple linear frame, use send_single function to |
| 2184 | * prepare direct-buffer type TCL descriptor and enqueue to TCL |
| 2185 | * SRNG. There is no need to setup a MSDU extension descriptor. |
| 2186 | */ |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 2187 | nbuf = dp_tx_send_msdu_single(vdev, nbuf, &msdu_info, peer_id, NULL); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2188 | |
| 2189 | return nbuf; |
| 2190 | |
| 2191 | send_multiple: |
| 2192 | nbuf = dp_tx_send_msdu_multiple(vdev, nbuf, &msdu_info); |
| 2193 | |
| 2194 | return nbuf; |
| 2195 | } |
| 2196 | |
| 2197 | /** |
| 2198 | * dp_tx_reinject_handler() - Tx Reinject Handler |
| 2199 | * @tx_desc: software descriptor head pointer |
| 2200 | * @status : Tx completion status from HTT descriptor |
| 2201 | * |
| 2202 | * This function reinjects frames back to Target. |
| 2203 | * Todo - Host queue needs to be added |
| 2204 | * |
| 2205 | * Return: none |
| 2206 | */ |
Jeff Johnson | 755f261 | 2017-01-05 16:28:13 -0800 | [diff] [blame] | 2207 | static |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2208 | void dp_tx_reinject_handler(struct dp_tx_desc_s *tx_desc, uint8_t *status) |
| 2209 | { |
| 2210 | struct dp_vdev *vdev; |
Ishank Jain | 997955e | 2017-03-24 18:18:50 +0530 | [diff] [blame] | 2211 | struct dp_peer *peer = NULL; |
| 2212 | uint32_t peer_id = HTT_INVALID_PEER; |
| 2213 | qdf_nbuf_t nbuf = tx_desc->nbuf; |
| 2214 | qdf_nbuf_t nbuf_copy = NULL; |
| 2215 | struct dp_tx_msdu_info_s msdu_info; |
Ruchi, Agrawal | bd894b3 | 2017-11-03 17:24:56 +0530 | [diff] [blame] | 2216 | struct dp_peer *sa_peer = NULL; |
| 2217 | struct dp_ast_entry *ast_entry = NULL; |
| 2218 | struct dp_soc *soc = NULL; |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 2219 | qdf_ether_header_t *eh = (qdf_ether_header_t *)qdf_nbuf_data(nbuf); |
Tallapragada Kalyan | 2a5fc62 | 2017-12-08 21:07:43 +0530 | [diff] [blame] | 2220 | #ifdef WDS_VENDOR_EXTENSION |
| 2221 | int is_mcast = 0, is_ucast = 0; |
| 2222 | int num_peers_3addr = 0; |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 2223 | qdf_ether_header_t *eth_hdr = (qdf_ether_header_t *)(qdf_nbuf_data(nbuf)); |
Tallapragada Kalyan | 2a5fc62 | 2017-12-08 21:07:43 +0530 | [diff] [blame] | 2224 | struct ieee80211_frame_addr4 *wh = (struct ieee80211_frame_addr4 *)(qdf_nbuf_data(nbuf)); |
| 2225 | #endif |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2226 | |
| 2227 | vdev = tx_desc->vdev; |
Ruchi, Agrawal | bd894b3 | 2017-11-03 17:24:56 +0530 | [diff] [blame] | 2228 | soc = vdev->pdev->soc; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2229 | |
Ravi Joshi | ab33d9b | 2017-02-11 21:43:28 -0800 | [diff] [blame] | 2230 | qdf_assert(vdev); |
| 2231 | |
hangtian | fe681a5 | 2019-01-16 17:16:28 +0800 | [diff] [blame] | 2232 | qdf_mem_zero(&msdu_info, sizeof(msdu_info)); |
Ishank Jain | 997955e | 2017-03-24 18:18:50 +0530 | [diff] [blame] | 2233 | |
| 2234 | dp_tx_get_queue(vdev, nbuf, &msdu_info.tx_queue); |
| 2235 | |
Houston Hoffman | 41b912c | 2017-08-30 14:27:51 -0700 | [diff] [blame] | 2236 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 2237 | "%s Tx reinject path", __func__); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2238 | |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 2239 | DP_STATS_INC_PKT(vdev, tx_i.reinject_pkts, 1, |
Ishank Jain | bc2d91f | 2017-01-03 18:14:54 +0530 | [diff] [blame] | 2240 | qdf_nbuf_len(tx_desc->nbuf)); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2241 | |
Ruchi, Agrawal | bd894b3 | 2017-11-03 17:24:56 +0530 | [diff] [blame] | 2242 | qdf_spin_lock_bh(&(soc->ast_lock)); |
| 2243 | |
Chaithanya Garrepalli | cf347d1 | 2018-09-18 14:28:55 +0530 | [diff] [blame] | 2244 | ast_entry = dp_peer_ast_hash_find_by_pdevid |
| 2245 | (soc, |
| 2246 | (uint8_t *)(eh->ether_shost), |
| 2247 | vdev->pdev->pdev_id); |
Tallapragada Kalyan | 57b6bb3 | 2018-01-02 12:58:33 +0530 | [diff] [blame] | 2248 | |
Ruchi, Agrawal | bd894b3 | 2017-11-03 17:24:56 +0530 | [diff] [blame] | 2249 | if (ast_entry) |
| 2250 | sa_peer = ast_entry->peer; |
| 2251 | |
| 2252 | qdf_spin_unlock_bh(&(soc->ast_lock)); |
Ishank Jain | 997955e | 2017-03-24 18:18:50 +0530 | [diff] [blame] | 2253 | |
Tallapragada Kalyan | 2a5fc62 | 2017-12-08 21:07:43 +0530 | [diff] [blame] | 2254 | #ifdef WDS_VENDOR_EXTENSION |
| 2255 | if (qdf_unlikely(vdev->tx_encap_type != htt_cmn_pkt_type_raw)) { |
| 2256 | is_mcast = (IS_MULTICAST(wh->i_addr1)) ? 1 : 0; |
| 2257 | } else { |
| 2258 | is_mcast = (IS_MULTICAST(eth_hdr->ether_dhost)) ? 1 : 0; |
| 2259 | } |
| 2260 | is_ucast = !is_mcast; |
| 2261 | |
| 2262 | TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) { |
| 2263 | if (peer->bss_peer) |
| 2264 | continue; |
| 2265 | |
| 2266 | /* Detect wds peers that use 3-addr framing for mcast. |
| 2267 | * if there are any, the bss_peer is used to send the |
| 2268 | * the mcast frame using 3-addr format. all wds enabled |
| 2269 | * peers that use 4-addr framing for mcast frames will |
| 2270 | * be duplicated and sent as 4-addr frames below. |
| 2271 | */ |
| 2272 | if (!peer->wds_enabled || !peer->wds_ecm.wds_tx_mcast_4addr) { |
| 2273 | num_peers_3addr = 1; |
| 2274 | break; |
| 2275 | } |
| 2276 | } |
| 2277 | #endif |
| 2278 | |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 2279 | if (qdf_unlikely(vdev->mesh_vdev)) { |
| 2280 | DP_TX_FREE_SINGLE_BUF(vdev->pdev->soc, tx_desc->nbuf); |
Ishank Jain | 997955e | 2017-03-24 18:18:50 +0530 | [diff] [blame] | 2281 | } else { |
| 2282 | TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) { |
| 2283 | if ((peer->peer_ids[0] != HTT_INVALID_PEER) && |
Tallapragada Kalyan | 2a5fc62 | 2017-12-08 21:07:43 +0530 | [diff] [blame] | 2284 | #ifdef WDS_VENDOR_EXTENSION |
| 2285 | /* |
| 2286 | * . if 3-addr STA, then send on BSS Peer |
| 2287 | * . if Peer WDS enabled and accept 4-addr mcast, |
| 2288 | * send mcast on that peer only |
| 2289 | * . if Peer WDS enabled and accept 4-addr ucast, |
| 2290 | * send ucast on that peer only |
| 2291 | */ |
| 2292 | ((peer->bss_peer && num_peers_3addr && is_mcast) || |
| 2293 | (peer->wds_enabled && |
| 2294 | ((is_mcast && peer->wds_ecm.wds_tx_mcast_4addr) || |
| 2295 | (is_ucast && peer->wds_ecm.wds_tx_ucast_4addr))))) { |
| 2296 | #else |
| 2297 | ((peer->bss_peer && |
| 2298 | !(vdev->osif_proxy_arp(vdev->osif_vdev, nbuf))) || |
| 2299 | peer->nawds_enabled)) { |
| 2300 | #endif |
Ruchi, Agrawal | bd894b3 | 2017-11-03 17:24:56 +0530 | [diff] [blame] | 2301 | peer_id = DP_INVALID_PEER; |
| 2302 | |
| 2303 | if (peer->nawds_enabled) { |
| 2304 | peer_id = peer->peer_ids[0]; |
| 2305 | if (sa_peer == peer) { |
| 2306 | QDF_TRACE( |
| 2307 | QDF_MODULE_ID_DP, |
| 2308 | QDF_TRACE_LEVEL_DEBUG, |
| 2309 | " %s: multicast packet", |
| 2310 | __func__); |
| 2311 | DP_STATS_INC(peer, |
| 2312 | tx.nawds_mcast_drop, 1); |
| 2313 | continue; |
| 2314 | } |
| 2315 | } |
| 2316 | |
Ishank Jain | 997955e | 2017-03-24 18:18:50 +0530 | [diff] [blame] | 2317 | nbuf_copy = qdf_nbuf_copy(nbuf); |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 2318 | |
Ishank Jain | 997955e | 2017-03-24 18:18:50 +0530 | [diff] [blame] | 2319 | if (!nbuf_copy) { |
| 2320 | QDF_TRACE(QDF_MODULE_ID_DP, |
Houston Hoffman | 41b912c | 2017-08-30 14:27:51 -0700 | [diff] [blame] | 2321 | QDF_TRACE_LEVEL_DEBUG, |
| 2322 | FL("nbuf copy failed")); |
Ishank Jain | 997955e | 2017-03-24 18:18:50 +0530 | [diff] [blame] | 2323 | break; |
| 2324 | } |
| 2325 | |
Ishank Jain | 997955e | 2017-03-24 18:18:50 +0530 | [diff] [blame] | 2326 | nbuf_copy = dp_tx_send_msdu_single(vdev, |
Ruchi, Agrawal | bd894b3 | 2017-11-03 17:24:56 +0530 | [diff] [blame] | 2327 | nbuf_copy, |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 2328 | &msdu_info, |
Prathyusha Guduri | be41d97 | 2018-01-19 14:17:14 +0530 | [diff] [blame] | 2329 | peer_id, |
| 2330 | NULL); |
Ishank Jain | 997955e | 2017-03-24 18:18:50 +0530 | [diff] [blame] | 2331 | |
| 2332 | if (nbuf_copy) { |
| 2333 | QDF_TRACE(QDF_MODULE_ID_DP, |
Ruchi, Agrawal | bd894b3 | 2017-11-03 17:24:56 +0530 | [diff] [blame] | 2334 | QDF_TRACE_LEVEL_DEBUG, |
| 2335 | FL("pkt send failed")); |
Ishank Jain | 997955e | 2017-03-24 18:18:50 +0530 | [diff] [blame] | 2336 | qdf_nbuf_free(nbuf_copy); |
Ruchi, Agrawal | bd894b3 | 2017-11-03 17:24:56 +0530 | [diff] [blame] | 2337 | } else { |
| 2338 | if (peer_id != DP_INVALID_PEER) |
| 2339 | DP_STATS_INC_PKT(peer, |
| 2340 | tx.nawds_mcast, |
| 2341 | 1, qdf_nbuf_len(nbuf)); |
Ishank Jain | 997955e | 2017-03-24 18:18:50 +0530 | [diff] [blame] | 2342 | } |
| 2343 | } |
| 2344 | } |
| 2345 | } |
| 2346 | |
Ruchi, Agrawal | bd894b3 | 2017-11-03 17:24:56 +0530 | [diff] [blame] | 2347 | if (vdev->nawds_enabled) { |
| 2348 | peer_id = DP_INVALID_PEER; |
| 2349 | |
| 2350 | DP_STATS_INC_PKT(vdev, tx_i.nawds_mcast, |
| 2351 | 1, qdf_nbuf_len(nbuf)); |
| 2352 | |
| 2353 | nbuf = dp_tx_send_msdu_single(vdev, |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 2354 | nbuf, |
| 2355 | &msdu_info, |
| 2356 | peer_id, NULL); |
Ruchi, Agrawal | bd894b3 | 2017-11-03 17:24:56 +0530 | [diff] [blame] | 2357 | |
| 2358 | if (nbuf) { |
| 2359 | QDF_TRACE(QDF_MODULE_ID_DP, |
| 2360 | QDF_TRACE_LEVEL_DEBUG, |
| 2361 | FL("pkt send failed")); |
| 2362 | qdf_nbuf_free(nbuf); |
| 2363 | } |
| 2364 | } else |
| 2365 | qdf_nbuf_free(nbuf); |
| 2366 | |
Ravi Joshi | ab33d9b | 2017-02-11 21:43:28 -0800 | [diff] [blame] | 2367 | dp_tx_desc_release(tx_desc, tx_desc->pool_id); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2368 | } |
| 2369 | |
| 2370 | /** |
| 2371 | * dp_tx_inspect_handler() - Tx Inspect Handler |
| 2372 | * @tx_desc: software descriptor head pointer |
| 2373 | * @status : Tx completion status from HTT descriptor |
| 2374 | * |
| 2375 | * Handles Tx frames sent back to Host for inspection |
| 2376 | * (ProxyARP) |
| 2377 | * |
| 2378 | * Return: none |
| 2379 | */ |
Jeff Johnson | 755f261 | 2017-01-05 16:28:13 -0800 | [diff] [blame] | 2380 | static void dp_tx_inspect_handler(struct dp_tx_desc_s *tx_desc, uint8_t *status) |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2381 | { |
| 2382 | |
| 2383 | struct dp_soc *soc; |
Ravi Joshi | ab33d9b | 2017-02-11 21:43:28 -0800 | [diff] [blame] | 2384 | struct dp_pdev *pdev = tx_desc->pdev; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2385 | |
| 2386 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 2387 | "%s Tx inspect path", |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2388 | __func__); |
| 2389 | |
Ravi Joshi | ab33d9b | 2017-02-11 21:43:28 -0800 | [diff] [blame] | 2390 | qdf_assert(pdev); |
| 2391 | |
| 2392 | soc = pdev->soc; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2393 | |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 2394 | DP_STATS_INC_PKT(tx_desc->vdev, tx_i.inspect_pkts, 1, |
Ishank Jain | bc2d91f | 2017-01-03 18:14:54 +0530 | [diff] [blame] | 2395 | qdf_nbuf_len(tx_desc->nbuf)); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2396 | |
Ravi Joshi | ab33d9b | 2017-02-11 21:43:28 -0800 | [diff] [blame] | 2397 | DP_TX_FREE_SINGLE_BUF(soc, tx_desc->nbuf); |
Pamidipati, Vijay | f82fb2b | 2017-06-28 05:31:50 +0530 | [diff] [blame] | 2398 | dp_tx_desc_release(tx_desc, tx_desc->pool_id); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2399 | } |
| 2400 | |
Soumya Bhat | cfbb895 | 2017-10-03 15:04:09 +0530 | [diff] [blame] | 2401 | #ifdef FEATURE_PERPKT_INFO |
Ruchi, Agrawal | c0f9c97 | 2018-02-02 11:24:05 +0530 | [diff] [blame] | 2402 | /** |
| 2403 | * dp_get_completion_indication_for_stack() - send completion to stack |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 2404 | * @soc : dp_soc handle |
| 2405 | * @pdev: dp_pdev handle |
| 2406 | * @peer: dp peer handle |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2407 | * @ts: transmit completion status structure |
Ruchi, Agrawal | c0f9c97 | 2018-02-02 11:24:05 +0530 | [diff] [blame] | 2408 | * @netbuf: Buffer pointer for free |
| 2409 | * |
| 2410 | * This function is used for indication whether buffer needs to be |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2411 | * sent to stack for freeing or not |
Ruchi, Agrawal | c0f9c97 | 2018-02-02 11:24:05 +0530 | [diff] [blame] | 2412 | */ |
Radha krishna Simha Jiguru | 47876f6 | 2017-11-30 21:08:40 +0530 | [diff] [blame] | 2413 | QDF_STATUS |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 2414 | dp_get_completion_indication_for_stack(struct dp_soc *soc, |
| 2415 | struct dp_pdev *pdev, |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2416 | struct dp_peer *peer, |
| 2417 | struct hal_tx_completion_status *ts, |
Ankit Kumar | 8dc0e2a | 2019-02-28 18:17:15 +0530 | [diff] [blame] | 2418 | qdf_nbuf_t netbuf, |
| 2419 | uint64_t time_latency) |
Soumya Bhat | cfbb895 | 2017-10-03 15:04:09 +0530 | [diff] [blame] | 2420 | { |
| 2421 | struct tx_capture_hdr *ppdu_hdr; |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2422 | uint16_t peer_id = ts->peer_id; |
| 2423 | uint32_t ppdu_id = ts->ppdu_id; |
| 2424 | uint8_t first_msdu = ts->first_msdu; |
| 2425 | uint8_t last_msdu = ts->last_msdu; |
Soumya Bhat | cfbb895 | 2017-10-03 15:04:09 +0530 | [diff] [blame] | 2426 | |
Ankit Kumar | 8dc0e2a | 2019-02-28 18:17:15 +0530 | [diff] [blame] | 2427 | if (qdf_unlikely(!pdev->tx_sniffer_enable && !pdev->mcopy_mode && |
| 2428 | !pdev->latency_capture_enable)) |
Soumya Bhat | cfbb895 | 2017-10-03 15:04:09 +0530 | [diff] [blame] | 2429 | return QDF_STATUS_E_NOSUPPORT; |
| 2430 | |
Soumya Bhat | cfbb895 | 2017-10-03 15:04:09 +0530 | [diff] [blame] | 2431 | if (!peer) { |
| 2432 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 2433 | FL("Peer Invalid")); |
| 2434 | return QDF_STATUS_E_INVAL; |
| 2435 | } |
| 2436 | |
Soumya Bhat | 7422db8 | 2017-12-15 13:48:53 +0530 | [diff] [blame] | 2437 | if (pdev->mcopy_mode) { |
Soumya Bhat | 2f54de2 | 2018-02-21 09:54:28 +0530 | [diff] [blame] | 2438 | if ((pdev->m_copy_id.tx_ppdu_id == ppdu_id) && |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2439 | (pdev->m_copy_id.tx_peer_id == peer_id)) { |
Soumya Bhat | 2f779b0 | 2017-10-24 13:10:44 +0530 | [diff] [blame] | 2440 | return QDF_STATUS_E_INVAL; |
| 2441 | } |
| 2442 | |
Soumya Bhat | 2f54de2 | 2018-02-21 09:54:28 +0530 | [diff] [blame] | 2443 | pdev->m_copy_id.tx_ppdu_id = ppdu_id; |
| 2444 | pdev->m_copy_id.tx_peer_id = peer_id; |
Soumya Bhat | 2f779b0 | 2017-10-24 13:10:44 +0530 | [diff] [blame] | 2445 | } |
| 2446 | |
Soumya Bhat | cfbb895 | 2017-10-03 15:04:09 +0530 | [diff] [blame] | 2447 | if (!qdf_nbuf_push_head(netbuf, sizeof(struct tx_capture_hdr))) { |
| 2448 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 2449 | FL("No headroom")); |
| 2450 | return QDF_STATUS_E_NOMEM; |
| 2451 | } |
| 2452 | |
| 2453 | ppdu_hdr = (struct tx_capture_hdr *)qdf_nbuf_data(netbuf); |
Soumya Bhat | 2f779b0 | 2017-10-24 13:10:44 +0530 | [diff] [blame] | 2454 | qdf_mem_copy(ppdu_hdr->ta, peer->vdev->mac_addr.raw, |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 2455 | QDF_MAC_ADDR_SIZE); |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2456 | qdf_mem_copy(ppdu_hdr->ra, peer->mac_addr.raw, |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 2457 | QDF_MAC_ADDR_SIZE); |
Soumya Bhat | cfbb895 | 2017-10-03 15:04:09 +0530 | [diff] [blame] | 2458 | ppdu_hdr->ppdu_id = ppdu_id; |
Soumya Bhat | 2072557 | 2018-01-11 19:36:19 +0530 | [diff] [blame] | 2459 | ppdu_hdr->peer_id = peer_id; |
| 2460 | ppdu_hdr->first_msdu = first_msdu; |
| 2461 | ppdu_hdr->last_msdu = last_msdu; |
Ankit Kumar | 8dc0e2a | 2019-02-28 18:17:15 +0530 | [diff] [blame] | 2462 | if (qdf_unlikely(pdev->latency_capture_enable)) { |
| 2463 | ppdu_hdr->tsf = ts->tsf; |
| 2464 | ppdu_hdr->time_latency = time_latency; |
| 2465 | } |
Soumya Bhat | cfbb895 | 2017-10-03 15:04:09 +0530 | [diff] [blame] | 2466 | |
Ruchi, Agrawal | c0f9c97 | 2018-02-02 11:24:05 +0530 | [diff] [blame] | 2467 | return QDF_STATUS_SUCCESS; |
| 2468 | } |
| 2469 | |
| 2470 | |
| 2471 | /** |
| 2472 | * dp_send_completion_to_stack() - send completion to stack |
| 2473 | * @soc : dp_soc handle |
| 2474 | * @pdev: dp_pdev handle |
| 2475 | * @peer_id: peer_id of the peer for which completion came |
| 2476 | * @ppdu_id: ppdu_id |
| 2477 | * @netbuf: Buffer pointer for free |
| 2478 | * |
| 2479 | * This function is used to send completion to stack |
| 2480 | * to free buffer |
| 2481 | */ |
| 2482 | void dp_send_completion_to_stack(struct dp_soc *soc, struct dp_pdev *pdev, |
| 2483 | uint16_t peer_id, uint32_t ppdu_id, |
| 2484 | qdf_nbuf_t netbuf) |
| 2485 | { |
Soumya Bhat | cfbb895 | 2017-10-03 15:04:09 +0530 | [diff] [blame] | 2486 | dp_wdi_event_handler(WDI_EVENT_TX_DATA, soc, |
Soumya Bhat | 2f779b0 | 2017-10-24 13:10:44 +0530 | [diff] [blame] | 2487 | netbuf, peer_id, |
| 2488 | WDI_NO_VAL, pdev->pdev_id); |
Soumya Bhat | cfbb895 | 2017-10-03 15:04:09 +0530 | [diff] [blame] | 2489 | } |
| 2490 | #else |
| 2491 | static QDF_STATUS |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 2492 | dp_get_completion_indication_for_stack(struct dp_soc *soc, |
| 2493 | struct dp_pdev *pdev, |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2494 | struct dp_peer *peer, |
| 2495 | struct hal_tx_completion_status *ts, |
Ankit Kumar | 8dc0e2a | 2019-02-28 18:17:15 +0530 | [diff] [blame] | 2496 | qdf_nbuf_t netbuf, |
| 2497 | uint64_t time_latency) |
Soumya Bhat | cfbb895 | 2017-10-03 15:04:09 +0530 | [diff] [blame] | 2498 | { |
| 2499 | return QDF_STATUS_E_NOSUPPORT; |
| 2500 | } |
Ruchi, Agrawal | c0f9c97 | 2018-02-02 11:24:05 +0530 | [diff] [blame] | 2501 | |
| 2502 | static void |
| 2503 | dp_send_completion_to_stack(struct dp_soc *soc, struct dp_pdev *pdev, |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2504 | uint16_t peer_id, uint32_t ppdu_id, qdf_nbuf_t netbuf) |
Ruchi, Agrawal | c0f9c97 | 2018-02-02 11:24:05 +0530 | [diff] [blame] | 2505 | { |
| 2506 | } |
Soumya Bhat | cfbb895 | 2017-10-03 15:04:09 +0530 | [diff] [blame] | 2507 | #endif |
| 2508 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2509 | /** |
Pamidipati, Vijay | 4f7c305 | 2017-07-25 10:01:00 +0530 | [diff] [blame] | 2510 | * dp_tx_comp_free_buf() - Free nbuf associated with the Tx Descriptor |
| 2511 | * @soc: Soc handle |
| 2512 | * @desc: software Tx descriptor to be processed |
| 2513 | * |
| 2514 | * Return: none |
| 2515 | */ |
Chaithanya Garrepalli | ef40fec | 2019-05-16 22:26:05 +0530 | [diff] [blame] | 2516 | static inline void dp_tx_comp_free_buf(struct dp_soc *soc, |
| 2517 | struct dp_tx_desc_s *desc) |
Pamidipati, Vijay | 4f7c305 | 2017-07-25 10:01:00 +0530 | [diff] [blame] | 2518 | { |
| 2519 | struct dp_vdev *vdev = desc->vdev; |
| 2520 | qdf_nbuf_t nbuf = desc->nbuf; |
| 2521 | |
Pamidipati, Vijay | cd7fda8 | 2019-03-18 10:55:00 +0530 | [diff] [blame] | 2522 | /* nbuf already freed in vdev detach path */ |
| 2523 | if (!nbuf) |
| 2524 | return; |
| 2525 | |
Kabilan Kannan | 60e3b30 | 2017-09-07 20:06:17 -0700 | [diff] [blame] | 2526 | /* If it is TDLS mgmt, don't unmap or free the frame */ |
| 2527 | if (desc->flags & DP_TX_DESC_FLAG_TDLS_FRAME) |
| 2528 | return dp_non_std_tx_comp_free_buff(desc, vdev); |
| 2529 | |
Pamidipati, Vijay | 4f7c305 | 2017-07-25 10:01:00 +0530 | [diff] [blame] | 2530 | /* 0 : MSDU buffer, 1 : MLE */ |
| 2531 | if (desc->msdu_ext_desc) { |
| 2532 | /* TSO free */ |
| 2533 | if (hal_tx_ext_desc_get_tso_enable( |
| 2534 | desc->msdu_ext_desc->vaddr)) { |
chenguo | ee42a32 | 2018-03-15 18:05:46 +0800 | [diff] [blame] | 2535 | /* unmap eash TSO seg before free the nbuf */ |
Jinwei Chen | 73e0dd5 | 2018-11-26 14:11:36 +0800 | [diff] [blame] | 2536 | dp_tx_tso_unmap_segment(soc, desc->tso_desc, |
| 2537 | desc->tso_num_desc); |
chenguo | 94b7615 | 2018-01-24 19:39:23 +0800 | [diff] [blame] | 2538 | qdf_nbuf_free(nbuf); |
| 2539 | return; |
Pamidipati, Vijay | 4f7c305 | 2017-07-25 10:01:00 +0530 | [diff] [blame] | 2540 | } |
| 2541 | } |
| 2542 | |
Pamidipati, Vijay | 4f7c305 | 2017-07-25 10:01:00 +0530 | [diff] [blame] | 2543 | qdf_nbuf_unmap(soc->osdev, nbuf, QDF_DMA_TO_DEVICE); |
| 2544 | |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 2545 | if (qdf_unlikely(!vdev)) { |
| 2546 | qdf_nbuf_free(nbuf); |
| 2547 | return; |
| 2548 | } |
| 2549 | |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 2550 | if (qdf_likely(!vdev->mesh_vdev)) |
Pamidipati, Vijay | 4f7c305 | 2017-07-25 10:01:00 +0530 | [diff] [blame] | 2551 | qdf_nbuf_free(nbuf); |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 2552 | else { |
| 2553 | if (desc->flags & DP_TX_DESC_FLAG_TO_FW) { |
| 2554 | qdf_nbuf_free(nbuf); |
| 2555 | DP_STATS_INC(vdev, tx_i.mesh.completion_fw, 1); |
| 2556 | } else |
| 2557 | vdev->osif_tx_free_ext((nbuf)); |
Pamidipati, Vijay | 4f7c305 | 2017-07-25 10:01:00 +0530 | [diff] [blame] | 2558 | } |
| 2559 | } |
| 2560 | |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 2561 | #ifdef MESH_MODE_SUPPORT |
| 2562 | /** |
| 2563 | * dp_tx_comp_fill_tx_completion_stats() - Fill per packet Tx completion stats |
| 2564 | * in mesh meta header |
| 2565 | * @tx_desc: software descriptor head pointer |
| 2566 | * @ts: pointer to tx completion stats |
| 2567 | * Return: none |
| 2568 | */ |
| 2569 | static |
| 2570 | void dp_tx_comp_fill_tx_completion_stats(struct dp_tx_desc_s *tx_desc, |
| 2571 | struct hal_tx_completion_status *ts) |
| 2572 | { |
| 2573 | struct meta_hdr_s *mhdr; |
| 2574 | qdf_nbuf_t netbuf = tx_desc->nbuf; |
| 2575 | |
| 2576 | if (!tx_desc->msdu_ext_desc) { |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 2577 | if (qdf_nbuf_pull_head(netbuf, tx_desc->pkt_offset) == NULL) { |
| 2578 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 2579 | "netbuf %pK offset %d", |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 2580 | netbuf, tx_desc->pkt_offset); |
| 2581 | return; |
| 2582 | } |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 2583 | } |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 2584 | if (qdf_nbuf_push_head(netbuf, sizeof(struct meta_hdr_s)) == NULL) { |
| 2585 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | 2f3f538 | 2019-02-18 09:51:35 +0530 | [diff] [blame] | 2586 | "netbuf %pK offset %lu", netbuf, |
Venkateswara Swamy Bandaru | 6d840bc | 2017-07-10 15:35:28 +0530 | [diff] [blame] | 2587 | sizeof(struct meta_hdr_s)); |
| 2588 | return; |
| 2589 | } |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 2590 | |
| 2591 | mhdr = (struct meta_hdr_s *)qdf_nbuf_data(netbuf); |
| 2592 | mhdr->rssi = ts->ack_frame_rssi; |
Venkateswara Swamy Bandaru | 15c68da | 2017-05-18 11:54:20 +0530 | [diff] [blame] | 2593 | mhdr->channel = tx_desc->pdev->operating_channel; |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 2594 | } |
| 2595 | |
| 2596 | #else |
| 2597 | static |
| 2598 | void dp_tx_comp_fill_tx_completion_stats(struct dp_tx_desc_s *tx_desc, |
| 2599 | struct hal_tx_completion_status *ts) |
| 2600 | { |
| 2601 | } |
| 2602 | |
| 2603 | #endif |
| 2604 | |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2605 | /** |
Varsha Mishra | a331e6e | 2019-03-11 12:16:14 +0530 | [diff] [blame] | 2606 | * dp_tx_compute_delay() - Compute and fill in all timestamps |
| 2607 | * to pass in correct fields |
| 2608 | * |
| 2609 | * @vdev: pdev handle |
| 2610 | * @tx_desc: tx descriptor |
| 2611 | * @tid: tid value |
| 2612 | * Return: none |
| 2613 | */ |
| 2614 | static void dp_tx_compute_delay(struct dp_vdev *vdev, |
| 2615 | struct dp_tx_desc_s *tx_desc, uint8_t tid) |
| 2616 | { |
| 2617 | int64_t current_timestamp, timestamp_ingress, timestamp_hw_enqueue; |
| 2618 | uint32_t sw_enqueue_delay, fwhw_transmit_delay, interframe_delay; |
| 2619 | |
| 2620 | if (qdf_likely(!vdev->pdev->delay_stats_flag)) |
| 2621 | return; |
| 2622 | |
| 2623 | current_timestamp = qdf_ktime_to_ms(qdf_ktime_get()); |
| 2624 | timestamp_ingress = qdf_nbuf_get_timestamp(tx_desc->nbuf); |
| 2625 | timestamp_hw_enqueue = tx_desc->timestamp; |
| 2626 | sw_enqueue_delay = (uint32_t)(timestamp_hw_enqueue - timestamp_ingress); |
| 2627 | fwhw_transmit_delay = (uint32_t)(current_timestamp - |
| 2628 | timestamp_hw_enqueue); |
| 2629 | interframe_delay = (uint32_t)(timestamp_ingress - |
| 2630 | vdev->prev_tx_enq_tstamp); |
| 2631 | |
| 2632 | /* |
| 2633 | * Delay in software enqueue |
| 2634 | */ |
| 2635 | dp_update_delay_stats(vdev->pdev, sw_enqueue_delay, tid, |
| 2636 | CDP_DELAY_STATS_SW_ENQ); |
| 2637 | /* |
| 2638 | * Delay between packet enqueued to HW and Tx completion |
| 2639 | */ |
| 2640 | dp_update_delay_stats(vdev->pdev, fwhw_transmit_delay, tid, |
| 2641 | CDP_DELAY_STATS_FW_HW_TRANSMIT); |
| 2642 | |
| 2643 | /* |
| 2644 | * Update interframe delay stats calculated at hardstart receive point. |
| 2645 | * Value of vdev->prev_tx_enq_tstamp will be 0 for 1st frame, so |
| 2646 | * interframe delay will not be calculate correctly for 1st frame. |
| 2647 | * On the other side, this will help in avoiding extra per packet check |
| 2648 | * of !vdev->prev_tx_enq_tstamp. |
| 2649 | */ |
| 2650 | dp_update_delay_stats(vdev->pdev, interframe_delay, tid, |
| 2651 | CDP_DELAY_STATS_TX_INTERFRAME); |
| 2652 | vdev->prev_tx_enq_tstamp = timestamp_ingress; |
| 2653 | } |
| 2654 | |
| 2655 | /** |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2656 | * dp_tx_update_peer_stats() - Update peer stats from Tx completion indications |
Varsha Mishra | a331e6e | 2019-03-11 12:16:14 +0530 | [diff] [blame] | 2657 | * @tx_desc: software descriptor head pointer |
| 2658 | * @ts: Tx completion status |
| 2659 | * @peer: peer handle |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2660 | * |
| 2661 | * Return: None |
| 2662 | */ |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2663 | static inline void |
Varsha Mishra | a331e6e | 2019-03-11 12:16:14 +0530 | [diff] [blame] | 2664 | dp_tx_update_peer_stats(struct dp_tx_desc_s *tx_desc, |
| 2665 | struct hal_tx_completion_status *ts, |
| 2666 | struct dp_peer *peer) |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2667 | { |
| 2668 | struct dp_pdev *pdev = peer->vdev->pdev; |
phadiman | 4975730 | 2018-12-18 16:13:59 +0530 | [diff] [blame] | 2669 | struct dp_soc *soc = NULL; |
Pamidipati, Vijay | 57a435a | 2017-10-17 11:03:39 +0530 | [diff] [blame] | 2670 | uint8_t mcs, pkt_type; |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 2671 | uint8_t tid = ts->tid; |
Varsha Mishra | a331e6e | 2019-03-11 12:16:14 +0530 | [diff] [blame] | 2672 | uint32_t length; |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 2673 | struct cdp_tid_tx_stats *tid_stats; |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2674 | |
phadiman | 4975730 | 2018-12-18 16:13:59 +0530 | [diff] [blame] | 2675 | if (!pdev) |
| 2676 | return; |
| 2677 | |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 2678 | if (qdf_unlikely(tid >= CDP_MAX_DATA_TIDS)) |
| 2679 | tid = CDP_MAX_DATA_TIDS - 1; |
| 2680 | |
| 2681 | tid_stats = &pdev->stats.tid_stats.tid_tx_stats[tid]; |
phadiman | 4975730 | 2018-12-18 16:13:59 +0530 | [diff] [blame] | 2682 | soc = pdev->soc; |
| 2683 | |
Pamidipati, Vijay | 57a435a | 2017-10-17 11:03:39 +0530 | [diff] [blame] | 2684 | mcs = ts->mcs; |
| 2685 | pkt_type = ts->pkt_type; |
| 2686 | |
Venkata Sharath Chandra Manchala | d18887e | 2018-10-02 18:18:52 -0700 | [diff] [blame] | 2687 | if (ts->release_src != HAL_TX_COMP_RELEASE_SOURCE_TQM) { |
| 2688 | dp_err("Release source is not from TQM"); |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2689 | return; |
Venkata Sharath Chandra Manchala | d18887e | 2018-10-02 18:18:52 -0700 | [diff] [blame] | 2690 | } |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2691 | |
Varsha Mishra | a331e6e | 2019-03-11 12:16:14 +0530 | [diff] [blame] | 2692 | length = qdf_nbuf_len(tx_desc->nbuf); |
Venkata Sharath Chandra Manchala | ec9a530 | 2018-12-13 15:25:35 -0800 | [diff] [blame] | 2693 | DP_STATS_INC_PKT(peer, tx.comp_pkt, 1, length); |
Varsha Mishra | a331e6e | 2019-03-11 12:16:14 +0530 | [diff] [blame] | 2694 | |
| 2695 | if (qdf_unlikely(pdev->delay_stats_flag)) |
| 2696 | dp_tx_compute_delay(peer->vdev, tx_desc, tid); |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 2697 | tid_stats->complete_cnt++; |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2698 | DP_STATS_INCC(peer, tx.dropped.age_out, 1, |
Venkata Sharath Chandra Manchala | faa0d8b | 2018-04-09 14:39:43 -0700 | [diff] [blame] | 2699 | (ts->status == HAL_TX_TQM_RR_REM_CMD_AGED)); |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2700 | |
Pranita Solanke | 0588114 | 2018-08-17 18:20:51 +0530 | [diff] [blame] | 2701 | DP_STATS_INCC_PKT(peer, tx.dropped.fw_rem, 1, length, |
| 2702 | (ts->status == HAL_TX_TQM_RR_REM_CMD_REM)); |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2703 | |
| 2704 | DP_STATS_INCC(peer, tx.dropped.fw_rem_notx, 1, |
Venkata Sharath Chandra Manchala | faa0d8b | 2018-04-09 14:39:43 -0700 | [diff] [blame] | 2705 | (ts->status == HAL_TX_TQM_RR_REM_CMD_NOTX)); |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2706 | |
| 2707 | DP_STATS_INCC(peer, tx.dropped.fw_rem_tx, 1, |
Venkata Sharath Chandra Manchala | faa0d8b | 2018-04-09 14:39:43 -0700 | [diff] [blame] | 2708 | (ts->status == HAL_TX_TQM_RR_REM_CMD_TX)); |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2709 | |
Venkata Sharath Chandra Manchala | 65812e6 | 2018-02-15 16:04:52 -0800 | [diff] [blame] | 2710 | DP_STATS_INCC(peer, tx.dropped.fw_reason1, 1, |
Venkata Sharath Chandra Manchala | faa0d8b | 2018-04-09 14:39:43 -0700 | [diff] [blame] | 2711 | (ts->status == HAL_TX_TQM_RR_FW_REASON1)); |
Venkata Sharath Chandra Manchala | 65812e6 | 2018-02-15 16:04:52 -0800 | [diff] [blame] | 2712 | |
| 2713 | DP_STATS_INCC(peer, tx.dropped.fw_reason2, 1, |
Venkata Sharath Chandra Manchala | faa0d8b | 2018-04-09 14:39:43 -0700 | [diff] [blame] | 2714 | (ts->status == HAL_TX_TQM_RR_FW_REASON2)); |
Venkata Sharath Chandra Manchala | 65812e6 | 2018-02-15 16:04:52 -0800 | [diff] [blame] | 2715 | |
| 2716 | DP_STATS_INCC(peer, tx.dropped.fw_reason3, 1, |
Venkata Sharath Chandra Manchala | faa0d8b | 2018-04-09 14:39:43 -0700 | [diff] [blame] | 2717 | (ts->status == HAL_TX_TQM_RR_FW_REASON3)); |
Venkata Sharath Chandra Manchala | 65812e6 | 2018-02-15 16:04:52 -0800 | [diff] [blame] | 2718 | |
Venkata Sharath Chandra Manchala | d18887e | 2018-10-02 18:18:52 -0700 | [diff] [blame] | 2719 | if (ts->status != HAL_TX_TQM_RR_FRAME_ACKED) { |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 2720 | tid_stats->comp_fail_cnt++; |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2721 | return; |
Venkata Sharath Chandra Manchala | d18887e | 2018-10-02 18:18:52 -0700 | [diff] [blame] | 2722 | } |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 2723 | |
| 2724 | tid_stats->success_cnt++; |
| 2725 | |
Pamidipati, Vijay | 57a435a | 2017-10-17 11:03:39 +0530 | [diff] [blame] | 2726 | DP_STATS_INCC(peer, tx.ofdma, 1, ts->ofdma); |
Pranita Solanke | fc2ff39 | 2017-12-15 19:25:13 +0530 | [diff] [blame] | 2727 | |
Pamidipati, Vijay | 57a435a | 2017-10-17 11:03:39 +0530 | [diff] [blame] | 2728 | DP_STATS_INCC(peer, tx.amsdu_cnt, 1, ts->msdu_part_of_amsdu); |
Anish Nataraj | 5034701 | 2018-03-06 21:12:45 +0530 | [diff] [blame] | 2729 | DP_STATS_INCC(peer, tx.non_amsdu_cnt, 1, !ts->msdu_part_of_amsdu); |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2730 | |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2731 | /* |
| 2732 | * Following Rate Statistics are updated from HTT PPDU events from FW. |
| 2733 | * Return from here if HTT PPDU events are enabled. |
| 2734 | */ |
Pamidipati, Vijay | 57a435a | 2017-10-17 11:03:39 +0530 | [diff] [blame] | 2735 | if (!(soc->process_tx_status)) |
| 2736 | return; |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2737 | |
Pranita Solanke | ed0aba6 | 2018-01-12 19:14:31 +0530 | [diff] [blame] | 2738 | DP_STATS_INCC(peer, tx.pkt_type[pkt_type].mcs_count[MAX_MCS - 1], 1, |
Pamidipati, Vijay | 57a435a | 2017-10-17 11:03:39 +0530 | [diff] [blame] | 2739 | ((mcs >= MAX_MCS_11A) && (pkt_type == DOT11_A))); |
| 2740 | DP_STATS_INCC(peer, tx.pkt_type[pkt_type].mcs_count[mcs], 1, |
| 2741 | ((mcs < (MAX_MCS_11A)) && (pkt_type == DOT11_A))); |
Pranita Solanke | ed0aba6 | 2018-01-12 19:14:31 +0530 | [diff] [blame] | 2742 | DP_STATS_INCC(peer, tx.pkt_type[pkt_type].mcs_count[MAX_MCS - 1], 1, |
Pamidipati, Vijay | 57a435a | 2017-10-17 11:03:39 +0530 | [diff] [blame] | 2743 | ((mcs >= MAX_MCS_11B) && (pkt_type == DOT11_B))); |
| 2744 | DP_STATS_INCC(peer, tx.pkt_type[pkt_type].mcs_count[mcs], 1, |
| 2745 | ((mcs < MAX_MCS_11B) && (pkt_type == DOT11_B))); |
Pranita Solanke | ed0aba6 | 2018-01-12 19:14:31 +0530 | [diff] [blame] | 2746 | DP_STATS_INCC(peer, tx.pkt_type[pkt_type].mcs_count[MAX_MCS - 1], 1, |
Pamidipati, Vijay | 57a435a | 2017-10-17 11:03:39 +0530 | [diff] [blame] | 2747 | ((mcs >= MAX_MCS_11A) && (pkt_type == DOT11_N))); |
| 2748 | DP_STATS_INCC(peer, tx.pkt_type[pkt_type].mcs_count[mcs], 1, |
| 2749 | ((mcs < MAX_MCS_11A) && (pkt_type == DOT11_N))); |
Pranita Solanke | ed0aba6 | 2018-01-12 19:14:31 +0530 | [diff] [blame] | 2750 | DP_STATS_INCC(peer, tx.pkt_type[pkt_type].mcs_count[MAX_MCS - 1], 1, |
Pamidipati, Vijay | 57a435a | 2017-10-17 11:03:39 +0530 | [diff] [blame] | 2751 | ((mcs >= MAX_MCS_11AC) && (pkt_type == DOT11_AC))); |
| 2752 | DP_STATS_INCC(peer, tx.pkt_type[pkt_type].mcs_count[mcs], 1, |
| 2753 | ((mcs < MAX_MCS_11AC) && (pkt_type == DOT11_AC))); |
Pranita Solanke | ed0aba6 | 2018-01-12 19:14:31 +0530 | [diff] [blame] | 2754 | DP_STATS_INCC(peer, tx.pkt_type[pkt_type].mcs_count[MAX_MCS - 1], 1, |
Pamidipati, Vijay | 57a435a | 2017-10-17 11:03:39 +0530 | [diff] [blame] | 2755 | ((mcs >= (MAX_MCS - 1)) && (pkt_type == DOT11_AX))); |
| 2756 | DP_STATS_INCC(peer, tx.pkt_type[pkt_type].mcs_count[mcs], 1, |
| 2757 | ((mcs < (MAX_MCS - 1)) && (pkt_type == DOT11_AX))); |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2758 | |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2759 | DP_STATS_INC(peer, tx.sgi_count[ts->sgi], 1); |
| 2760 | DP_STATS_INC(peer, tx.bw[ts->bw], 1); |
| 2761 | DP_STATS_UPD(peer, tx.last_ack_rssi, ts->ack_frame_rssi); |
| 2762 | DP_STATS_INC(peer, tx.wme_ac_type[TID_TO_WME_AC(ts->tid)], 1); |
| 2763 | DP_STATS_INCC(peer, tx.stbc, 1, ts->stbc); |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2764 | DP_STATS_INCC(peer, tx.ldpc, 1, ts->ldpc); |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2765 | DP_STATS_INCC(peer, tx.retries, 1, ts->transmit_cnt > 1); |
| 2766 | |
Amir Patel | 756d05e | 2018-10-10 12:35:30 +0530 | [diff] [blame] | 2767 | #if defined(FEATURE_PERPKT_INFO) && WDI_EVENT_ENABLE |
| 2768 | dp_wdi_event_handler(WDI_EVENT_UPDATE_DP_STATS, pdev->soc, |
| 2769 | &peer->stats, ts->peer_id, |
| 2770 | UPDATE_PEER_STATS, pdev->pdev_id); |
| 2771 | #endif |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 2772 | } |
Venkateswara Swamy Bandaru | 3f62370 | 2017-02-25 00:12:59 +0530 | [diff] [blame] | 2773 | |
Yun Park | aadee8c | 2018-06-04 11:21:40 -0700 | [diff] [blame] | 2774 | #ifdef QCA_LL_TX_FLOW_CONTROL_V2 |
| 2775 | /** |
| 2776 | * dp_tx_flow_pool_lock() - take flow pool lock |
| 2777 | * @soc: core txrx main context |
| 2778 | * @tx_desc: tx desc |
| 2779 | * |
| 2780 | * Return: None |
| 2781 | */ |
| 2782 | static inline |
| 2783 | void dp_tx_flow_pool_lock(struct dp_soc *soc, |
| 2784 | struct dp_tx_desc_s *tx_desc) |
| 2785 | { |
| 2786 | struct dp_tx_desc_pool_s *pool; |
| 2787 | uint8_t desc_pool_id; |
| 2788 | |
| 2789 | desc_pool_id = tx_desc->pool_id; |
| 2790 | pool = &soc->tx_desc[desc_pool_id]; |
| 2791 | |
| 2792 | qdf_spin_lock_bh(&pool->flow_pool_lock); |
| 2793 | } |
| 2794 | |
| 2795 | /** |
| 2796 | * dp_tx_flow_pool_unlock() - release flow pool lock |
| 2797 | * @soc: core txrx main context |
| 2798 | * @tx_desc: tx desc |
| 2799 | * |
| 2800 | * Return: None |
| 2801 | */ |
| 2802 | static inline |
| 2803 | void dp_tx_flow_pool_unlock(struct dp_soc *soc, |
| 2804 | struct dp_tx_desc_s *tx_desc) |
| 2805 | { |
| 2806 | struct dp_tx_desc_pool_s *pool; |
| 2807 | uint8_t desc_pool_id; |
| 2808 | |
| 2809 | desc_pool_id = tx_desc->pool_id; |
| 2810 | pool = &soc->tx_desc[desc_pool_id]; |
| 2811 | |
| 2812 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
| 2813 | } |
| 2814 | #else |
| 2815 | static inline |
| 2816 | void dp_tx_flow_pool_lock(struct dp_soc *soc, struct dp_tx_desc_s *tx_desc) |
| 2817 | { |
| 2818 | } |
| 2819 | |
| 2820 | static inline |
| 2821 | void dp_tx_flow_pool_unlock(struct dp_soc *soc, struct dp_tx_desc_s *tx_desc) |
| 2822 | { |
| 2823 | } |
| 2824 | #endif |
| 2825 | |
| 2826 | /** |
| 2827 | * dp_tx_notify_completion() - Notify tx completion for this desc |
| 2828 | * @soc: core txrx main context |
| 2829 | * @tx_desc: tx desc |
| 2830 | * @netbuf: buffer |
| 2831 | * |
| 2832 | * Return: none |
| 2833 | */ |
| 2834 | static inline void dp_tx_notify_completion(struct dp_soc *soc, |
| 2835 | struct dp_tx_desc_s *tx_desc, |
| 2836 | qdf_nbuf_t netbuf) |
| 2837 | { |
| 2838 | void *osif_dev; |
| 2839 | ol_txrx_completion_fp tx_compl_cbk = NULL; |
| 2840 | |
| 2841 | qdf_assert(tx_desc); |
| 2842 | |
| 2843 | dp_tx_flow_pool_lock(soc, tx_desc); |
| 2844 | |
| 2845 | if (!tx_desc->vdev || |
| 2846 | !tx_desc->vdev->osif_vdev) { |
| 2847 | dp_tx_flow_pool_unlock(soc, tx_desc); |
| 2848 | return; |
| 2849 | } |
| 2850 | |
| 2851 | osif_dev = tx_desc->vdev->osif_vdev; |
| 2852 | tx_compl_cbk = tx_desc->vdev->tx_comp; |
| 2853 | dp_tx_flow_pool_unlock(soc, tx_desc); |
| 2854 | |
| 2855 | if (tx_compl_cbk) |
| 2856 | tx_compl_cbk(netbuf, osif_dev); |
| 2857 | } |
| 2858 | |
Ruchi, Agrawal | 2cbca3b | 2018-06-20 19:31:03 +0530 | [diff] [blame] | 2859 | /** dp_tx_sojourn_stats_process() - Collect sojourn stats |
| 2860 | * @pdev: pdev handle |
| 2861 | * @tid: tid value |
| 2862 | * @txdesc_ts: timestamp from txdesc |
| 2863 | * @ppdu_id: ppdu id |
| 2864 | * |
| 2865 | * Return: none |
| 2866 | */ |
| 2867 | #ifdef FEATURE_PERPKT_INFO |
| 2868 | static inline void dp_tx_sojourn_stats_process(struct dp_pdev *pdev, |
Amir Patel | 468bded | 2019-03-21 11:42:31 +0530 | [diff] [blame] | 2869 | struct dp_peer *peer, |
Ruchi, Agrawal | 2cbca3b | 2018-06-20 19:31:03 +0530 | [diff] [blame] | 2870 | uint8_t tid, |
| 2871 | uint64_t txdesc_ts, |
| 2872 | uint32_t ppdu_id) |
| 2873 | { |
| 2874 | uint64_t delta_ms; |
| 2875 | struct cdp_tx_sojourn_stats *sojourn_stats; |
| 2876 | |
Amir Patel | ac7d946 | 2019-03-28 16:16:01 +0530 | [diff] [blame] | 2877 | if (qdf_unlikely(pdev->enhanced_stats_en == 0)) |
Ruchi, Agrawal | 2cbca3b | 2018-06-20 19:31:03 +0530 | [diff] [blame] | 2878 | return; |
| 2879 | |
Amir Patel | ac7d946 | 2019-03-28 16:16:01 +0530 | [diff] [blame] | 2880 | if (qdf_unlikely(tid == HTT_INVALID_TID || |
| 2881 | tid >= CDP_DATA_TID_MAX)) |
Ruchi, Agrawal | 2cbca3b | 2018-06-20 19:31:03 +0530 | [diff] [blame] | 2882 | return; |
| 2883 | |
Amir Patel | ac7d946 | 2019-03-28 16:16:01 +0530 | [diff] [blame] | 2884 | if (qdf_unlikely(!pdev->sojourn_buf)) |
| 2885 | return; |
| 2886 | |
| 2887 | sojourn_stats = (struct cdp_tx_sojourn_stats *) |
| 2888 | qdf_nbuf_data(pdev->sojourn_buf); |
| 2889 | |
| 2890 | sojourn_stats->cookie = (void *)peer->wlanstats_ctx; |
| 2891 | |
Ruchi, Agrawal | 2cbca3b | 2018-06-20 19:31:03 +0530 | [diff] [blame] | 2892 | delta_ms = qdf_ktime_to_ms(qdf_ktime_get()) - |
| 2893 | txdesc_ts; |
Amir Patel | ac7d946 | 2019-03-28 16:16:01 +0530 | [diff] [blame] | 2894 | qdf_ewma_tx_lag_add(&peer->avg_sojourn_msdu[tid], |
Ruchi, Agrawal | 2cbca3b | 2018-06-20 19:31:03 +0530 | [diff] [blame] | 2895 | delta_ms); |
Amir Patel | ac7d946 | 2019-03-28 16:16:01 +0530 | [diff] [blame] | 2896 | sojourn_stats->sum_sojourn_msdu[tid] = delta_ms; |
| 2897 | sojourn_stats->num_msdus[tid] = 1; |
| 2898 | sojourn_stats->avg_sojourn_msdu[tid].internal = |
| 2899 | peer->avg_sojourn_msdu[tid].internal; |
| 2900 | dp_wdi_event_handler(WDI_EVENT_TX_SOJOURN_STAT, pdev->soc, |
| 2901 | pdev->sojourn_buf, HTT_INVALID_PEER, |
| 2902 | WDI_NO_VAL, pdev->pdev_id); |
| 2903 | sojourn_stats->sum_sojourn_msdu[tid] = 0; |
| 2904 | sojourn_stats->num_msdus[tid] = 0; |
| 2905 | sojourn_stats->avg_sojourn_msdu[tid].internal = 0; |
Ruchi, Agrawal | 2cbca3b | 2018-06-20 19:31:03 +0530 | [diff] [blame] | 2906 | } |
| 2907 | #else |
| 2908 | static inline void dp_tx_sojourn_stats_process(struct dp_pdev *pdev, |
| 2909 | uint8_t tid, |
| 2910 | uint64_t txdesc_ts, |
| 2911 | uint32_t ppdu_id) |
| 2912 | { |
| 2913 | } |
| 2914 | #endif |
| 2915 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 2916 | /** |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2917 | * dp_tx_comp_process_desc() - Process tx descriptor and free associated nbuf |
| 2918 | * @soc: DP Soc handle |
| 2919 | * @tx_desc: software Tx descriptor |
| 2920 | * @ts : Tx completion status from HAL/HTT descriptor |
| 2921 | * |
| 2922 | * Return: none |
| 2923 | */ |
| 2924 | static inline void |
| 2925 | dp_tx_comp_process_desc(struct dp_soc *soc, |
| 2926 | struct dp_tx_desc_s *desc, |
| 2927 | struct hal_tx_completion_status *ts, |
| 2928 | struct dp_peer *peer) |
| 2929 | { |
Ankit Kumar | 8dc0e2a | 2019-02-28 18:17:15 +0530 | [diff] [blame] | 2930 | uint64_t time_latency = 0; |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2931 | /* |
| 2932 | * m_copy/tx_capture modes are not supported for |
| 2933 | * scatter gather packets |
| 2934 | */ |
Ankit Kumar | 8dc0e2a | 2019-02-28 18:17:15 +0530 | [diff] [blame] | 2935 | if (qdf_unlikely(!!desc->pdev->latency_capture_enable)) { |
| 2936 | time_latency = (qdf_ktime_to_ms(qdf_ktime_get()) - |
| 2937 | desc->timestamp); |
| 2938 | } |
nobelj | debe2b3 | 2019-04-23 11:18:47 -0700 | [diff] [blame] | 2939 | if (!(desc->msdu_ext_desc)) { |
| 2940 | if (QDF_STATUS_SUCCESS == |
| 2941 | dp_tx_add_to_comp_queue(soc, desc, ts, peer)) { |
| 2942 | return; |
| 2943 | } |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2944 | |
nobelj | debe2b3 | 2019-04-23 11:18:47 -0700 | [diff] [blame] | 2945 | if (QDF_STATUS_SUCCESS == |
| 2946 | dp_get_completion_indication_for_stack(soc, |
| 2947 | desc->pdev, |
| 2948 | peer, ts, |
| 2949 | desc->nbuf, |
| 2950 | time_latency)) { |
| 2951 | qdf_nbuf_unmap(soc->osdev, desc->nbuf, |
| 2952 | QDF_DMA_TO_DEVICE); |
| 2953 | dp_send_completion_to_stack(soc, |
| 2954 | desc->pdev, |
| 2955 | ts->peer_id, |
| 2956 | ts->ppdu_id, |
| 2957 | desc->nbuf); |
| 2958 | return; |
| 2959 | } |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2960 | } |
nobelj | debe2b3 | 2019-04-23 11:18:47 -0700 | [diff] [blame] | 2961 | |
| 2962 | dp_tx_comp_free_buf(soc, desc); |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2963 | } |
| 2964 | |
| 2965 | /** |
Vijay Pamidipati | 5bcfa31 | 2016-12-20 11:44:38 +0530 | [diff] [blame] | 2966 | * dp_tx_comp_process_tx_status() - Parse and Dump Tx completion status info |
| 2967 | * @tx_desc: software descriptor head pointer |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2968 | * @ts: Tx completion status |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 2969 | * @peer: peer handle |
Vijay Pamidipati | 5bcfa31 | 2016-12-20 11:44:38 +0530 | [diff] [blame] | 2970 | * |
Vijay Pamidipati | 5bcfa31 | 2016-12-20 11:44:38 +0530 | [diff] [blame] | 2971 | * Return: none |
| 2972 | */ |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 2973 | static inline |
| 2974 | void dp_tx_comp_process_tx_status(struct dp_tx_desc_s *tx_desc, |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2975 | struct hal_tx_completion_status *ts, |
| 2976 | struct dp_peer *peer) |
Vijay Pamidipati | 5bcfa31 | 2016-12-20 11:44:38 +0530 | [diff] [blame] | 2977 | { |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 2978 | uint32_t length; |
Pamidipati, Vijay | cd7fda8 | 2019-03-18 10:55:00 +0530 | [diff] [blame] | 2979 | qdf_ether_header_t *eh; |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 2980 | struct dp_soc *soc = NULL; |
| 2981 | struct dp_vdev *vdev = tx_desc->vdev; |
Pamidipati, Vijay | cd7fda8 | 2019-03-18 10:55:00 +0530 | [diff] [blame] | 2982 | qdf_nbuf_t nbuf = tx_desc->nbuf; |
Pranita Solanke | a5a3ae7 | 2018-01-18 21:45:27 +0530 | [diff] [blame] | 2983 | |
Pamidipati, Vijay | cd7fda8 | 2019-03-18 10:55:00 +0530 | [diff] [blame] | 2984 | if (!vdev || !nbuf) { |
Balamurugan Mahalingam | db12181 | 2018-08-30 11:35:44 +0530 | [diff] [blame] | 2985 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, |
Pamidipati, Vijay | cd7fda8 | 2019-03-18 10:55:00 +0530 | [diff] [blame] | 2986 | "invalid tx descriptor. vdev or nbuf NULL"); |
Balamurugan Mahalingam | db12181 | 2018-08-30 11:35:44 +0530 | [diff] [blame] | 2987 | goto out; |
| 2988 | } |
| 2989 | |
Pamidipati, Vijay | cd7fda8 | 2019-03-18 10:55:00 +0530 | [diff] [blame] | 2990 | eh = (qdf_ether_header_t *)qdf_nbuf_data(nbuf); |
| 2991 | |
Manjunathappa Prakash | 721bd5f | 2019-01-18 16:25:16 -0800 | [diff] [blame] | 2992 | DPTRACE(qdf_dp_trace_ptr(tx_desc->nbuf, |
| 2993 | QDF_DP_TRACE_LI_DP_FREE_PACKET_PTR_RECORD, |
| 2994 | QDF_TRACE_DEFAULT_PDEV_ID, |
Pamidipati, Vijay | cd7fda8 | 2019-03-18 10:55:00 +0530 | [diff] [blame] | 2995 | qdf_nbuf_data_addr(nbuf), |
| 2996 | sizeof(qdf_nbuf_data(nbuf)), |
Manjunathappa Prakash | 721bd5f | 2019-01-18 16:25:16 -0800 | [diff] [blame] | 2997 | tx_desc->id, |
| 2998 | ts->status)); |
| 2999 | |
Yun Park | 11d46e0 | 2017-11-27 10:51:53 -0800 | [diff] [blame] | 3000 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG, |
Vijay Pamidipati | d61006c | 2017-01-20 19:35:57 +0530 | [diff] [blame] | 3001 | "-------------------- \n" |
| 3002 | "Tx Completion Stats: \n" |
| 3003 | "-------------------- \n" |
| 3004 | "ack_frame_rssi = %d \n" |
| 3005 | "first_msdu = %d \n" |
| 3006 | "last_msdu = %d \n" |
| 3007 | "msdu_part_of_amsdu = %d \n" |
| 3008 | "rate_stats valid = %d \n" |
| 3009 | "bw = %d \n" |
| 3010 | "pkt_type = %d \n" |
| 3011 | "stbc = %d \n" |
| 3012 | "ldpc = %d \n" |
| 3013 | "sgi = %d \n" |
| 3014 | "mcs = %d \n" |
| 3015 | "ofdma = %d \n" |
| 3016 | "tones_in_ru = %d \n" |
| 3017 | "tsf = %d \n" |
| 3018 | "ppdu_id = %d \n" |
| 3019 | "transmit_cnt = %d \n" |
| 3020 | "tid = %d \n" |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3021 | "peer_id = %d\n", |
| 3022 | ts->ack_frame_rssi, ts->first_msdu, |
| 3023 | ts->last_msdu, ts->msdu_part_of_amsdu, |
| 3024 | ts->valid, ts->bw, ts->pkt_type, ts->stbc, |
| 3025 | ts->ldpc, ts->sgi, ts->mcs, ts->ofdma, |
| 3026 | ts->tones_in_ru, ts->tsf, ts->ppdu_id, |
| 3027 | ts->transmit_cnt, ts->tid, ts->peer_id); |
Vijay Pamidipati | 5bcfa31 | 2016-12-20 11:44:38 +0530 | [diff] [blame] | 3028 | |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 3029 | soc = vdev->pdev->soc; |
| 3030 | |
| 3031 | /* Update SoC level stats */ |
| 3032 | DP_STATS_INCC(soc, tx.dropped_fw_removed, 1, |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3033 | (ts->status == HAL_TX_TQM_RR_REM_CMD_REM)); |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 3034 | |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3035 | /* Update per-packet stats for mesh mode */ |
Venkateswara Swamy Bandaru | 58c8085 | 2018-01-29 17:52:02 +0530 | [diff] [blame] | 3036 | if (qdf_unlikely(vdev->mesh_vdev) && |
| 3037 | !(tx_desc->flags & DP_TX_DESC_FLAG_TO_FW)) |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3038 | dp_tx_comp_fill_tx_completion_stats(tx_desc, ts); |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 3039 | |
Pamidipati, Vijay | cd7fda8 | 2019-03-18 10:55:00 +0530 | [diff] [blame] | 3040 | length = qdf_nbuf_len(nbuf); |
Pamidipati, Vijay | 623fbee | 2017-07-07 10:58:15 +0530 | [diff] [blame] | 3041 | /* Update peer level stats */ |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 3042 | if (!peer) { |
Sravan Kumar Kairam | 1bffc85 | 2018-12-04 21:45:23 +0530 | [diff] [blame] | 3043 | QDF_TRACE_DEBUG_RL(QDF_MODULE_ID_DP, |
| 3044 | "peer is null or deletion in progress"); |
Ishank Jain | e73c403 | 2017-03-16 11:48:15 +0530 | [diff] [blame] | 3045 | DP_STATS_INC_PKT(soc, tx.tx_invalid_peer, 1, length); |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 3046 | goto out; |
| 3047 | } |
Pranita Solanke | a5a3ae7 | 2018-01-18 21:45:27 +0530 | [diff] [blame] | 3048 | |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3049 | if (qdf_likely(!peer->bss_peer)) { |
| 3050 | DP_STATS_INC_PKT(peer, tx.ucast, 1, length); |
| 3051 | |
| 3052 | if (ts->status == HAL_TX_TQM_RR_FRAME_ACKED) |
| 3053 | DP_STATS_INC_PKT(peer, tx.tx_success, 1, length); |
| 3054 | } else { |
| 3055 | if (ts->status != HAL_TX_TQM_RR_REM_CMD_REM) { |
| 3056 | DP_STATS_INC_PKT(peer, tx.mcast, 1, length); |
| 3057 | |
| 3058 | if ((peer->vdev->tx_encap_type == |
| 3059 | htt_cmn_pkt_type_ethernet) && |
Srinivas Girigowda | 7950297 | 2019-02-11 12:25:12 -0800 | [diff] [blame] | 3060 | QDF_IS_ADDR_BROADCAST(eh->ether_dhost)) { |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3061 | DP_STATS_INC_PKT(peer, tx.bcast, 1, length); |
| 3062 | } |
| 3063 | } |
Pranita Solanke | a5a3ae7 | 2018-01-18 21:45:27 +0530 | [diff] [blame] | 3064 | } |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 3065 | |
Varsha Mishra | a331e6e | 2019-03-11 12:16:14 +0530 | [diff] [blame] | 3066 | dp_tx_update_peer_stats(tx_desc, ts, peer); |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 3067 | |
Amir Patel | 468bded | 2019-03-21 11:42:31 +0530 | [diff] [blame] | 3068 | #ifdef QCA_SUPPORT_RDK_STATS |
| 3069 | if (soc->wlanstats_enabled) |
| 3070 | dp_tx_sojourn_stats_process(vdev->pdev, peer, ts->tid, |
| 3071 | tx_desc->timestamp, |
| 3072 | ts->ppdu_id); |
| 3073 | #endif |
| 3074 | |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 3075 | out: |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 3076 | return; |
Vijay Pamidipati | 5bcfa31 | 2016-12-20 11:44:38 +0530 | [diff] [blame] | 3077 | } |
Vijay Pamidipati | 5bcfa31 | 2016-12-20 11:44:38 +0530 | [diff] [blame] | 3078 | /** |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3079 | * dp_tx_comp_process_desc_list() - Tx complete software descriptor handler |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3080 | * @soc: core txrx main context |
| 3081 | * @comp_head: software descriptor head pointer |
| 3082 | * |
| 3083 | * This function will process batch of descriptors reaped by dp_tx_comp_handler |
| 3084 | * and release the software descriptors after processing is complete |
| 3085 | * |
| 3086 | * Return: none |
| 3087 | */ |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3088 | static void |
| 3089 | dp_tx_comp_process_desc_list(struct dp_soc *soc, |
| 3090 | struct dp_tx_desc_s *comp_head) |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3091 | { |
| 3092 | struct dp_tx_desc_s *desc; |
| 3093 | struct dp_tx_desc_s *next; |
Ishank Jain | bc2d91f | 2017-01-03 18:14:54 +0530 | [diff] [blame] | 3094 | struct hal_tx_completion_status ts = {0}; |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 3095 | struct dp_peer *peer; |
Sravan Kumar Kairam | d55a74c | 2019-04-03 16:00:57 +0530 | [diff] [blame] | 3096 | qdf_nbuf_t netbuf; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3097 | |
| 3098 | desc = comp_head; |
| 3099 | |
| 3100 | while (desc) { |
Balamurugan Mahalingam | 3715aa4 | 2018-08-22 02:13:14 +0530 | [diff] [blame] | 3101 | hal_tx_comp_get_status(&desc->comp, &ts, soc->hal_soc); |
Ishank Jain | 1e7401c | 2017-02-17 15:38:39 +0530 | [diff] [blame] | 3102 | peer = dp_peer_find_by_id(soc, ts.peer_id); |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3103 | dp_tx_comp_process_tx_status(desc, &ts, peer); |
Sravan Kumar Kairam | d55a74c | 2019-04-03 16:00:57 +0530 | [diff] [blame] | 3104 | |
| 3105 | netbuf = desc->nbuf; |
| 3106 | /* check tx complete notification */ |
| 3107 | if (QDF_NBUF_CB_TX_EXTRA_FRAG_FLAGS_NOTIFY_COMP(netbuf)) |
| 3108 | dp_tx_notify_completion(soc, desc, netbuf); |
| 3109 | |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3110 | dp_tx_comp_process_desc(soc, desc, &ts, peer); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3111 | |
Sravan Kumar Kairam | 26d471e | 2018-08-14 23:51:58 +0530 | [diff] [blame] | 3112 | if (peer) |
| 3113 | dp_peer_unref_del_find_by_id(peer); |
| 3114 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3115 | next = desc->next; |
Ruchi, Agrawal | 2cbca3b | 2018-06-20 19:31:03 +0530 | [diff] [blame] | 3116 | |
Ravi Joshi | ab33d9b | 2017-02-11 21:43:28 -0800 | [diff] [blame] | 3117 | dp_tx_desc_release(desc, desc->pool_id); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3118 | desc = next; |
| 3119 | } |
Ruchi, Agrawal | 2cbca3b | 2018-06-20 19:31:03 +0530 | [diff] [blame] | 3120 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3121 | } |
| 3122 | |
| 3123 | /** |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3124 | * dp_tx_process_htt_completion() - Tx HTT Completion Indication Handler |
| 3125 | * @tx_desc: software descriptor head pointer |
| 3126 | * @status : Tx completion status from HTT descriptor |
| 3127 | * |
| 3128 | * This function will process HTT Tx indication messages from Target |
| 3129 | * |
| 3130 | * Return: none |
| 3131 | */ |
| 3132 | static |
| 3133 | void dp_tx_process_htt_completion(struct dp_tx_desc_s *tx_desc, uint8_t *status) |
| 3134 | { |
| 3135 | uint8_t tx_status; |
| 3136 | struct dp_pdev *pdev; |
| 3137 | struct dp_vdev *vdev; |
| 3138 | struct dp_soc *soc; |
| 3139 | struct hal_tx_completion_status ts = {0}; |
| 3140 | uint32_t *htt_desc = (uint32_t *)status; |
| 3141 | struct dp_peer *peer; |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 3142 | struct cdp_tid_tx_stats *tid_stats = NULL; |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3143 | |
| 3144 | qdf_assert(tx_desc->pdev); |
| 3145 | |
| 3146 | pdev = tx_desc->pdev; |
| 3147 | vdev = tx_desc->vdev; |
| 3148 | soc = pdev->soc; |
| 3149 | |
Pamidipati, Vijay | cd7fda8 | 2019-03-18 10:55:00 +0530 | [diff] [blame] | 3150 | if (!vdev) |
| 3151 | return; |
| 3152 | |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3153 | tx_status = HTT_TX_WBM_COMPLETION_V2_TX_STATUS_GET(htt_desc[0]); |
| 3154 | |
| 3155 | switch (tx_status) { |
| 3156 | case HTT_TX_FW2WBM_TX_STATUS_OK: |
| 3157 | case HTT_TX_FW2WBM_TX_STATUS_DROP: |
| 3158 | case HTT_TX_FW2WBM_TX_STATUS_TTL: |
| 3159 | { |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 3160 | uint8_t tid; |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3161 | if (HTT_TX_WBM_COMPLETION_V2_VALID_GET(htt_desc[2])) { |
| 3162 | ts.peer_id = |
| 3163 | HTT_TX_WBM_COMPLETION_V2_SW_PEER_ID_GET( |
| 3164 | htt_desc[2]); |
| 3165 | ts.tid = |
| 3166 | HTT_TX_WBM_COMPLETION_V2_TID_NUM_GET( |
| 3167 | htt_desc[2]); |
| 3168 | } else { |
| 3169 | ts.peer_id = HTT_INVALID_PEER; |
| 3170 | ts.tid = HTT_INVALID_TID; |
| 3171 | } |
| 3172 | ts.ppdu_id = |
| 3173 | HTT_TX_WBM_COMPLETION_V2_SCH_CMD_ID_GET( |
| 3174 | htt_desc[1]); |
| 3175 | ts.ack_frame_rssi = |
| 3176 | HTT_TX_WBM_COMPLETION_V2_ACK_FRAME_RSSI_GET( |
| 3177 | htt_desc[1]); |
| 3178 | |
| 3179 | ts.first_msdu = 1; |
| 3180 | ts.last_msdu = 1; |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 3181 | tid = ts.tid; |
| 3182 | if (qdf_unlikely(tid >= CDP_MAX_DATA_TIDS)) |
| 3183 | tid = CDP_MAX_DATA_TIDS - 1; |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3184 | |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 3185 | tid_stats = &pdev->stats.tid_stats.tid_tx_stats[tid]; |
| 3186 | |
Varsha Mishra | a331e6e | 2019-03-11 12:16:14 +0530 | [diff] [blame] | 3187 | if (qdf_unlikely(pdev->delay_stats_flag)) |
| 3188 | dp_tx_compute_delay(vdev, tx_desc, tid); |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 3189 | tid_stats->complete_cnt++; |
| 3190 | if (qdf_unlikely(tx_status != HTT_TX_FW2WBM_TX_STATUS_OK)) { |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3191 | ts.status = HAL_TX_TQM_RR_REM_CMD_REM; |
Varsha Mishra | 1828179 | 2019-03-06 17:57:23 +0530 | [diff] [blame] | 3192 | tid_stats->comp_fail_cnt++; |
| 3193 | } else { |
| 3194 | tid_stats->success_cnt++; |
| 3195 | } |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3196 | |
| 3197 | peer = dp_peer_find_by_id(soc, ts.peer_id); |
Pamidipati, Vijay | 7d69572 | 2018-11-24 19:41:49 +0530 | [diff] [blame] | 3198 | |
| 3199 | if (qdf_likely(peer)) |
chenguo | 420a442 | 2018-11-12 18:07:26 +0800 | [diff] [blame] | 3200 | dp_peer_unref_del_find_by_id(peer); |
Pamidipati, Vijay | 7d69572 | 2018-11-24 19:41:49 +0530 | [diff] [blame] | 3201 | |
| 3202 | dp_tx_comp_process_tx_status(tx_desc, &ts, peer); |
| 3203 | dp_tx_comp_process_desc(soc, tx_desc, &ts, peer); |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3204 | dp_tx_desc_release(tx_desc, tx_desc->pool_id); |
| 3205 | |
| 3206 | break; |
| 3207 | } |
| 3208 | case HTT_TX_FW2WBM_TX_STATUS_REINJECT: |
| 3209 | { |
| 3210 | dp_tx_reinject_handler(tx_desc, status); |
| 3211 | break; |
| 3212 | } |
| 3213 | case HTT_TX_FW2WBM_TX_STATUS_INSPECT: |
| 3214 | { |
| 3215 | dp_tx_inspect_handler(tx_desc, status); |
| 3216 | break; |
| 3217 | } |
| 3218 | case HTT_TX_FW2WBM_TX_STATUS_MEC_NOTIFY: |
| 3219 | { |
| 3220 | dp_tx_mec_handler(vdev, status); |
| 3221 | break; |
| 3222 | } |
| 3223 | default: |
| 3224 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG, |
| 3225 | "%s Invalid HTT tx_status %d\n", |
| 3226 | __func__, tx_status); |
| 3227 | break; |
| 3228 | } |
| 3229 | } |
| 3230 | |
Mohit Khanna | e5a6e94 | 2018-11-28 14:22:48 -0800 | [diff] [blame] | 3231 | #ifdef WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT |
| 3232 | static inline |
| 3233 | bool dp_tx_comp_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped) |
| 3234 | { |
| 3235 | bool limit_hit = false; |
| 3236 | struct wlan_cfg_dp_soc_ctxt *cfg = soc->wlan_cfg_ctx; |
| 3237 | |
| 3238 | limit_hit = |
| 3239 | (num_reaped >= cfg->tx_comp_loop_pkt_limit) ? true : false; |
| 3240 | |
| 3241 | if (limit_hit) |
| 3242 | DP_STATS_INC(soc, tx.tx_comp_loop_pkt_limit_hit, 1); |
| 3243 | |
| 3244 | return limit_hit; |
| 3245 | } |
| 3246 | |
| 3247 | static inline bool dp_tx_comp_enable_eol_data_check(struct dp_soc *soc) |
| 3248 | { |
| 3249 | return soc->wlan_cfg_ctx->tx_comp_enable_eol_data_check; |
| 3250 | } |
| 3251 | #else |
| 3252 | static inline |
| 3253 | bool dp_tx_comp_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped) |
| 3254 | { |
| 3255 | return false; |
| 3256 | } |
| 3257 | |
| 3258 | static inline bool dp_tx_comp_enable_eol_data_check(struct dp_soc *soc) |
| 3259 | { |
| 3260 | return false; |
| 3261 | } |
| 3262 | #endif |
| 3263 | |
| 3264 | uint32_t dp_tx_comp_handler(struct dp_intr *int_ctx, struct dp_soc *soc, |
| 3265 | void *hal_srng, uint32_t quota) |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3266 | { |
| 3267 | void *tx_comp_hal_desc; |
| 3268 | uint8_t buffer_src; |
| 3269 | uint8_t pool_id; |
| 3270 | uint32_t tx_desc_id; |
| 3271 | struct dp_tx_desc_s *tx_desc = NULL; |
| 3272 | struct dp_tx_desc_s *head_desc = NULL; |
| 3273 | struct dp_tx_desc_s *tail_desc = NULL; |
Mohit Khanna | e5a6e94 | 2018-11-28 14:22:48 -0800 | [diff] [blame] | 3274 | uint32_t num_processed = 0; |
| 3275 | uint32_t count = 0; |
| 3276 | bool force_break = false; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3277 | |
Mohit Khanna | e5a6e94 | 2018-11-28 14:22:48 -0800 | [diff] [blame] | 3278 | DP_HIST_INIT(); |
| 3279 | |
| 3280 | more_data: |
| 3281 | /* Re-initialize local variables to be re-used */ |
| 3282 | head_desc = NULL; |
| 3283 | tail_desc = NULL; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3284 | if (qdf_unlikely(hal_srng_access_start(soc->hal_soc, hal_srng))) { |
| 3285 | QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 3286 | "%s %d : HAL RING Access Failed -- %pK", |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3287 | __func__, __LINE__, hal_srng); |
| 3288 | return 0; |
| 3289 | } |
| 3290 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3291 | /* Find head descriptor from completion ring */ |
| 3292 | while (qdf_likely(tx_comp_hal_desc = |
| 3293 | hal_srng_dst_get_next(soc->hal_soc, hal_srng))) { |
| 3294 | |
| 3295 | buffer_src = hal_tx_comp_get_buffer_source(tx_comp_hal_desc); |
| 3296 | |
| 3297 | /* If this buffer was not released by TQM or FW, then it is not |
Pamidipati, Vijay | 9e34025 | 2017-08-14 16:24:17 +0530 | [diff] [blame] | 3298 | * Tx completion indication, assert */ |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3299 | if ((buffer_src != HAL_TX_COMP_RELEASE_SOURCE_TQM) && |
| 3300 | (buffer_src != HAL_TX_COMP_RELEASE_SOURCE_FW)) { |
| 3301 | |
| 3302 | QDF_TRACE(QDF_MODULE_ID_DP, |
chenguo | 73c7b7c | 2019-01-22 14:07:12 +0800 | [diff] [blame] | 3303 | QDF_TRACE_LEVEL_FATAL, |
| 3304 | "Tx comp release_src != TQM | FW but from %d", |
| 3305 | buffer_src); |
| 3306 | hal_dump_comp_desc(tx_comp_hal_desc); |
| 3307 | DP_STATS_INC(soc, tx.invalid_release_source, 1); |
Pamidipati, Vijay | 9e34025 | 2017-08-14 16:24:17 +0530 | [diff] [blame] | 3308 | qdf_assert_always(0); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3309 | } |
| 3310 | |
| 3311 | /* Get descriptor id */ |
| 3312 | tx_desc_id = hal_tx_comp_get_desc_id(tx_comp_hal_desc); |
| 3313 | pool_id = (tx_desc_id & DP_TX_DESC_ID_POOL_MASK) >> |
| 3314 | DP_TX_DESC_ID_POOL_OS; |
| 3315 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3316 | /* Find Tx descriptor */ |
| 3317 | tx_desc = dp_tx_desc_find(soc, pool_id, |
| 3318 | (tx_desc_id & DP_TX_DESC_ID_PAGE_MASK) >> |
| 3319 | DP_TX_DESC_ID_PAGE_OS, |
| 3320 | (tx_desc_id & DP_TX_DESC_ID_OFFSET_MASK) >> |
| 3321 | DP_TX_DESC_ID_OFFSET_OS); |
| 3322 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3323 | /* |
Pamidipati, Vijay | 12e8f33 | 2018-06-13 20:13:13 +0530 | [diff] [blame] | 3324 | * If the descriptor is already freed in vdev_detach, |
| 3325 | * continue to next descriptor |
| 3326 | */ |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 3327 | if (!tx_desc->vdev && !tx_desc->flags) { |
Pamidipati, Vijay | 12e8f33 | 2018-06-13 20:13:13 +0530 | [diff] [blame] | 3328 | QDF_TRACE(QDF_MODULE_ID_DP, |
| 3329 | QDF_TRACE_LEVEL_INFO, |
| 3330 | "Descriptor freed in vdev_detach %d", |
| 3331 | tx_desc_id); |
| 3332 | |
| 3333 | num_processed += !(count & DP_TX_NAPI_BUDGET_DIV_MASK); |
| 3334 | count++; |
| 3335 | continue; |
| 3336 | } |
| 3337 | |
| 3338 | /* |
Pamidipati, Vijay | 9e34025 | 2017-08-14 16:24:17 +0530 | [diff] [blame] | 3339 | * If the release source is FW, process the HTT status |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3340 | */ |
| 3341 | if (qdf_unlikely(buffer_src == |
| 3342 | HAL_TX_COMP_RELEASE_SOURCE_FW)) { |
| 3343 | uint8_t htt_tx_status[HAL_TX_COMP_HTT_STATUS_LEN]; |
| 3344 | hal_tx_comp_get_htt_desc(tx_comp_hal_desc, |
| 3345 | htt_tx_status); |
| 3346 | dp_tx_process_htt_completion(tx_desc, |
| 3347 | htt_tx_status); |
| 3348 | } else { |
Ruchi, Agrawal | c0f9c97 | 2018-02-02 11:24:05 +0530 | [diff] [blame] | 3349 | /* Pool id is not matching. Error */ |
Ruchi, Agrawal | e8eeb44 | 2018-02-12 16:19:58 +0530 | [diff] [blame] | 3350 | if (tx_desc->pool_id != pool_id) { |
Ruchi, Agrawal | c0f9c97 | 2018-02-02 11:24:05 +0530 | [diff] [blame] | 3351 | QDF_TRACE(QDF_MODULE_ID_DP, |
| 3352 | QDF_TRACE_LEVEL_FATAL, |
| 3353 | "Tx Comp pool id %d not matched %d", |
| 3354 | pool_id, tx_desc->pool_id); |
| 3355 | |
| 3356 | qdf_assert_always(0); |
| 3357 | } |
| 3358 | |
| 3359 | if (!(tx_desc->flags & DP_TX_DESC_FLAG_ALLOCATED) || |
| 3360 | !(tx_desc->flags & DP_TX_DESC_FLAG_QUEUED_TX)) { |
| 3361 | QDF_TRACE(QDF_MODULE_ID_DP, |
| 3362 | QDF_TRACE_LEVEL_FATAL, |
| 3363 | "Txdesc invalid, flgs = %x,id = %d", |
| 3364 | tx_desc->flags, tx_desc_id); |
| 3365 | qdf_assert_always(0); |
| 3366 | } |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3367 | |
| 3368 | /* First ring descriptor on the cycle */ |
| 3369 | if (!head_desc) { |
| 3370 | head_desc = tx_desc; |
Pamidipati, Vijay | 9e34025 | 2017-08-14 16:24:17 +0530 | [diff] [blame] | 3371 | tail_desc = tx_desc; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3372 | } |
| 3373 | |
Pamidipati, Vijay | 9e34025 | 2017-08-14 16:24:17 +0530 | [diff] [blame] | 3374 | tail_desc->next = tx_desc; |
| 3375 | tx_desc->next = NULL; |
Pamidipati, Vijay | b90a79e | 2016-11-29 01:29:35 +0530 | [diff] [blame] | 3376 | tail_desc = tx_desc; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3377 | |
Mohit Khanna | e5a6e94 | 2018-11-28 14:22:48 -0800 | [diff] [blame] | 3378 | DP_HIST_PACKET_COUNT_INC(tx_desc->pdev->pdev_id); |
| 3379 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3380 | /* Collect hw completion contents */ |
| 3381 | hal_tx_comp_desc_sync(tx_comp_hal_desc, |
Pranita Solanke | a12b4b3 | 2017-11-20 23:04:14 +0530 | [diff] [blame] | 3382 | &tx_desc->comp, 1); |
Pamidipati, Vijay | b90a79e | 2016-11-29 01:29:35 +0530 | [diff] [blame] | 3383 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3384 | } |
| 3385 | |
Pamidipati, Vijay | 9e34025 | 2017-08-14 16:24:17 +0530 | [diff] [blame] | 3386 | num_processed += !(count & DP_TX_NAPI_BUDGET_DIV_MASK); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3387 | |
| 3388 | /* |
| 3389 | * Processed packet count is more than given quota |
| 3390 | * stop to processing |
| 3391 | */ |
Mohit Khanna | e5a6e94 | 2018-11-28 14:22:48 -0800 | [diff] [blame] | 3392 | if (num_processed >= quota) { |
| 3393 | force_break = true; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3394 | break; |
Mohit Khanna | e5a6e94 | 2018-11-28 14:22:48 -0800 | [diff] [blame] | 3395 | } |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3396 | |
Pamidipati, Vijay | 9e34025 | 2017-08-14 16:24:17 +0530 | [diff] [blame] | 3397 | count++; |
Mohit Khanna | e5a6e94 | 2018-11-28 14:22:48 -0800 | [diff] [blame] | 3398 | |
| 3399 | if (dp_tx_comp_loop_pkt_limit_hit(soc, count)) |
| 3400 | break; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3401 | } |
| 3402 | |
| 3403 | hal_srng_access_end(soc->hal_soc, hal_srng); |
| 3404 | |
| 3405 | /* Process the reaped descriptors */ |
| 3406 | if (head_desc) |
Amir Patel | 12550f6 | 2018-09-28 19:05:28 +0530 | [diff] [blame] | 3407 | dp_tx_comp_process_desc_list(soc, head_desc); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3408 | |
Mohit Khanna | e5a6e94 | 2018-11-28 14:22:48 -0800 | [diff] [blame] | 3409 | if (dp_tx_comp_enable_eol_data_check(soc)) { |
| 3410 | if (!force_break && |
| 3411 | hal_srng_dst_peek_sync_locked(soc, hal_srng)) { |
| 3412 | DP_STATS_INC(soc, tx.hp_oos2, 1); |
| 3413 | if (!hif_exec_should_yield(soc->hif_handle, |
| 3414 | int_ctx->dp_intr_id)) |
| 3415 | goto more_data; |
| 3416 | } |
| 3417 | } |
| 3418 | DP_TX_HIST_STATS_PER_PDEV(); |
| 3419 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3420 | return num_processed; |
| 3421 | } |
| 3422 | |
Jeff Johnson | 6889ddf | 2019-02-08 07:22:01 -0800 | [diff] [blame] | 3423 | #ifdef FEATURE_WLAN_TDLS |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3424 | /** |
Kabilan Kannan | 60e3b30 | 2017-09-07 20:06:17 -0700 | [diff] [blame] | 3425 | * dp_tx_non_std() - Allow the control-path SW to send data frames |
| 3426 | * |
| 3427 | * @data_vdev - which vdev should transmit the tx data frames |
| 3428 | * @tx_spec - what non-standard handling to apply to the tx data frames |
| 3429 | * @msdu_list - NULL-terminated list of tx MSDUs |
| 3430 | * |
| 3431 | * Return: NULL on success, |
| 3432 | * nbuf when it fails to send |
| 3433 | */ |
| 3434 | qdf_nbuf_t dp_tx_non_std(struct cdp_vdev *vdev_handle, |
Kabilan Kannan | 78acc11 | 2017-10-10 16:16:32 -0700 | [diff] [blame] | 3435 | enum ol_tx_spec tx_spec, qdf_nbuf_t msdu_list) |
Kabilan Kannan | 60e3b30 | 2017-09-07 20:06:17 -0700 | [diff] [blame] | 3436 | { |
| 3437 | struct dp_vdev *vdev = (struct dp_vdev *) vdev_handle; |
| 3438 | |
| 3439 | if (tx_spec & OL_TX_SPEC_NO_FREE) |
| 3440 | vdev->is_tdls_frame = true; |
| 3441 | return dp_tx_send(vdev_handle, msdu_list); |
| 3442 | } |
Kabilan Kannan | 78acc11 | 2017-10-10 16:16:32 -0700 | [diff] [blame] | 3443 | #endif |
Kabilan Kannan | 60e3b30 | 2017-09-07 20:06:17 -0700 | [diff] [blame] | 3444 | |
| 3445 | /** |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3446 | * dp_tx_vdev_attach() - attach vdev to dp tx |
| 3447 | * @vdev: virtual device instance |
| 3448 | * |
| 3449 | * Return: QDF_STATUS_SUCCESS: success |
| 3450 | * QDF_STATUS_E_RESOURCES: Error return |
| 3451 | */ |
| 3452 | QDF_STATUS dp_tx_vdev_attach(struct dp_vdev *vdev) |
| 3453 | { |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3454 | /* |
| 3455 | * Fill HTT TCL Metadata with Vdev ID and MAC ID |
| 3456 | */ |
| 3457 | HTT_TX_TCL_METADATA_TYPE_SET(vdev->htt_tcl_metadata, |
| 3458 | HTT_TCL_METADATA_TYPE_VDEV_BASED); |
| 3459 | |
| 3460 | HTT_TX_TCL_METADATA_VDEV_ID_SET(vdev->htt_tcl_metadata, |
| 3461 | vdev->vdev_id); |
| 3462 | |
| 3463 | HTT_TX_TCL_METADATA_PDEV_ID_SET(vdev->htt_tcl_metadata, |
Manoj Ekbote | 6f56586 | 2017-02-16 10:01:24 -0800 | [diff] [blame] | 3464 | DP_SW2HW_MACID(vdev->pdev->pdev_id)); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3465 | |
| 3466 | /* |
| 3467 | * Set HTT Extension Valid bit to 0 by default |
| 3468 | */ |
| 3469 | HTT_TX_TCL_METADATA_VALID_HTT_SET(vdev->htt_tcl_metadata, 0); |
| 3470 | |
Pamidipati, Vijay | c9a13a5 | 2017-04-06 17:45:49 +0530 | [diff] [blame] | 3471 | dp_tx_vdev_update_search_flags(vdev); |
| 3472 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3473 | return QDF_STATUS_SUCCESS; |
| 3474 | } |
| 3475 | |
Amir Patel | cb99026 | 2019-05-28 15:12:48 +0530 | [diff] [blame^] | 3476 | #ifndef FEATURE_WDS |
Pamidipati, Vijay | 22c79d5 | 2018-10-19 21:39:42 +0530 | [diff] [blame] | 3477 | static inline bool dp_tx_da_search_override(struct dp_vdev *vdev) |
| 3478 | { |
| 3479 | return false; |
| 3480 | } |
| 3481 | #endif |
| 3482 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3483 | /** |
Pamidipati, Vijay | c9a13a5 | 2017-04-06 17:45:49 +0530 | [diff] [blame] | 3484 | * dp_tx_vdev_update_search_flags() - Update vdev flags as per opmode |
| 3485 | * @vdev: virtual device instance |
| 3486 | * |
| 3487 | * Return: void |
| 3488 | * |
| 3489 | */ |
| 3490 | void dp_tx_vdev_update_search_flags(struct dp_vdev *vdev) |
| 3491 | { |
Chaithanya Garrepalli | 9c73dc0 | 2018-09-17 12:35:13 +0530 | [diff] [blame] | 3492 | struct dp_soc *soc = vdev->pdev->soc; |
| 3493 | |
Pamidipati, Vijay | c9a13a5 | 2017-04-06 17:45:49 +0530 | [diff] [blame] | 3494 | /* |
Kabilan Kannan | 56bfd8f | 2017-04-26 13:26:47 -0700 | [diff] [blame] | 3495 | * Enable both AddrY (SA based search) and AddrX (Da based search) |
| 3496 | * for TDLS link |
| 3497 | * |
Pamidipati, Vijay | c9a13a5 | 2017-04-06 17:45:49 +0530 | [diff] [blame] | 3498 | * Enable AddrY (SA based search) only for non-WDS STA and |
Chaithanya Garrepalli | 1312706 | 2018-10-11 21:34:37 +0530 | [diff] [blame] | 3499 | * ProxySTA VAP (in HKv1) modes. |
Pamidipati, Vijay | c9a13a5 | 2017-04-06 17:45:49 +0530 | [diff] [blame] | 3500 | * |
| 3501 | * In all other VAP modes, only DA based search should be |
| 3502 | * enabled |
| 3503 | */ |
Kabilan Kannan | 56bfd8f | 2017-04-26 13:26:47 -0700 | [diff] [blame] | 3504 | if (vdev->opmode == wlan_op_mode_sta && |
| 3505 | vdev->tdls_link_connected) |
| 3506 | vdev->hal_desc_addr_search_flags = |
| 3507 | (HAL_TX_DESC_ADDRX_EN | HAL_TX_DESC_ADDRY_EN); |
Chaithanya Garrepalli | 1312706 | 2018-10-11 21:34:37 +0530 | [diff] [blame] | 3508 | else if ((vdev->opmode == wlan_op_mode_sta) && |
Pamidipati, Vijay | 22c79d5 | 2018-10-19 21:39:42 +0530 | [diff] [blame] | 3509 | !dp_tx_da_search_override(vdev)) |
Pamidipati, Vijay | c9a13a5 | 2017-04-06 17:45:49 +0530 | [diff] [blame] | 3510 | vdev->hal_desc_addr_search_flags = HAL_TX_DESC_ADDRY_EN; |
| 3511 | else |
| 3512 | vdev->hal_desc_addr_search_flags = HAL_TX_DESC_ADDRX_EN; |
Chaithanya Garrepalli | 2467ed1 | 2018-09-11 23:57:43 +0530 | [diff] [blame] | 3513 | |
Chaithanya Garrepalli | 9c73dc0 | 2018-09-17 12:35:13 +0530 | [diff] [blame] | 3514 | /* Set search type only when peer map v2 messaging is enabled |
| 3515 | * as we will have the search index (AST hash) only when v2 is |
| 3516 | * enabled |
| 3517 | */ |
| 3518 | if (soc->is_peer_map_unmap_v2 && vdev->opmode == wlan_op_mode_sta) |
Chaithanya Garrepalli | 2467ed1 | 2018-09-11 23:57:43 +0530 | [diff] [blame] | 3519 | vdev->search_type = HAL_TX_ADDR_INDEX_SEARCH; |
| 3520 | else |
| 3521 | vdev->search_type = HAL_TX_ADDR_SEARCH_DEFAULT; |
Pamidipati, Vijay | c9a13a5 | 2017-04-06 17:45:49 +0530 | [diff] [blame] | 3522 | } |
| 3523 | |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 3524 | static inline bool |
| 3525 | dp_is_tx_desc_flush_match(struct dp_pdev *pdev, |
| 3526 | struct dp_vdev *vdev, |
| 3527 | struct dp_tx_desc_s *tx_desc) |
| 3528 | { |
| 3529 | if (!(tx_desc && (tx_desc->flags & DP_TX_DESC_FLAG_ALLOCATED))) |
| 3530 | return false; |
| 3531 | |
| 3532 | /* |
| 3533 | * if vdev is given, then only check whether desc |
| 3534 | * vdev match. if vdev is NULL, then check whether |
| 3535 | * desc pdev match. |
| 3536 | */ |
| 3537 | return vdev ? (tx_desc->vdev == vdev) : (tx_desc->pdev == pdev); |
| 3538 | } |
| 3539 | |
Soumya Bhat | 33a8822 | 2018-03-21 14:47:00 +0530 | [diff] [blame] | 3540 | #ifdef QCA_LL_TX_FLOW_CONTROL_V2 |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 3541 | /** |
| 3542 | * dp_tx_desc_reset_vdev() - reset vdev to NULL in TX Desc |
Soumya Bhat | 33a8822 | 2018-03-21 14:47:00 +0530 | [diff] [blame] | 3543 | * |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 3544 | * @soc: Handle to DP SoC structure |
| 3545 | * @tx_desc: pointer of one TX desc |
| 3546 | * @desc_pool_id: TX Desc pool id |
Jinwei Chen | b3f9d20 | 2018-11-30 10:03:19 +0800 | [diff] [blame] | 3547 | */ |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 3548 | static inline void |
| 3549 | dp_tx_desc_reset_vdev(struct dp_soc *soc, struct dp_tx_desc_s *tx_desc, |
| 3550 | uint8_t desc_pool_id) |
| 3551 | { |
| 3552 | struct dp_tx_desc_pool_s *pool = &soc->tx_desc[desc_pool_id]; |
| 3553 | |
| 3554 | qdf_spin_lock_bh(&pool->flow_pool_lock); |
| 3555 | |
| 3556 | tx_desc->vdev = NULL; |
| 3557 | |
| 3558 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
| 3559 | } |
| 3560 | |
| 3561 | /** |
| 3562 | * dp_tx_desc_flush() - release resources associated |
| 3563 | * to TX Desc |
| 3564 | * |
| 3565 | * @dp_pdev: Handle to DP pdev structure |
| 3566 | * @vdev: virtual device instance |
| 3567 | * NULL: no specific Vdev is required and check all allcated TX desc |
| 3568 | * on this pdev. |
| 3569 | * Non-NULL: only check the allocated TX Desc associated to this Vdev. |
| 3570 | * |
| 3571 | * @force_free: |
| 3572 | * true: flush the TX desc. |
| 3573 | * false: only reset the Vdev in each allocated TX desc |
| 3574 | * that associated to current Vdev. |
| 3575 | * |
| 3576 | * This function will go through the TX desc pool to flush |
| 3577 | * the outstanding TX data or reset Vdev to NULL in associated TX |
| 3578 | * Desc. |
| 3579 | */ |
| 3580 | static void dp_tx_desc_flush(struct dp_pdev *pdev, |
| 3581 | struct dp_vdev *vdev, |
| 3582 | bool force_free) |
Jinwei Chen | b3f9d20 | 2018-11-30 10:03:19 +0800 | [diff] [blame] | 3583 | { |
| 3584 | uint8_t i; |
| 3585 | uint32_t j; |
| 3586 | uint32_t num_desc, page_id, offset; |
| 3587 | uint16_t num_desc_per_page; |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 3588 | struct dp_soc *soc = pdev->soc; |
Jinwei Chen | b3f9d20 | 2018-11-30 10:03:19 +0800 | [diff] [blame] | 3589 | struct dp_tx_desc_s *tx_desc = NULL; |
| 3590 | struct dp_tx_desc_pool_s *tx_desc_pool = NULL; |
| 3591 | |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 3592 | if (!vdev && !force_free) { |
| 3593 | dp_err("Reset TX desc vdev, Vdev param is required!"); |
| 3594 | return; |
| 3595 | } |
| 3596 | |
Jinwei Chen | b3f9d20 | 2018-11-30 10:03:19 +0800 | [diff] [blame] | 3597 | for (i = 0; i < MAX_TXDESC_POOLS; i++) { |
| 3598 | tx_desc_pool = &soc->tx_desc[i]; |
| 3599 | if (!(tx_desc_pool->pool_size) || |
| 3600 | IS_TX_DESC_POOL_STATUS_INACTIVE(tx_desc_pool) || |
| 3601 | !(tx_desc_pool->desc_pages.cacheable_pages)) |
| 3602 | continue; |
| 3603 | |
| 3604 | num_desc = tx_desc_pool->pool_size; |
| 3605 | num_desc_per_page = |
| 3606 | tx_desc_pool->desc_pages.num_element_per_page; |
| 3607 | for (j = 0; j < num_desc; j++) { |
| 3608 | page_id = j / num_desc_per_page; |
| 3609 | offset = j % num_desc_per_page; |
| 3610 | |
| 3611 | if (qdf_unlikely(!(tx_desc_pool-> |
| 3612 | desc_pages.cacheable_pages))) |
| 3613 | break; |
| 3614 | |
| 3615 | tx_desc = dp_tx_desc_find(soc, i, page_id, offset); |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 3616 | |
| 3617 | if (dp_is_tx_desc_flush_match(pdev, vdev, tx_desc)) { |
| 3618 | /* |
| 3619 | * Free TX desc if force free is |
| 3620 | * required, otherwise only reset vdev |
| 3621 | * in this TX desc. |
| 3622 | */ |
| 3623 | if (force_free) { |
| 3624 | dp_tx_comp_free_buf(soc, tx_desc); |
| 3625 | dp_tx_desc_release(tx_desc, i); |
| 3626 | } else { |
| 3627 | dp_tx_desc_reset_vdev(soc, tx_desc, |
| 3628 | i); |
| 3629 | } |
Jinwei Chen | b3f9d20 | 2018-11-30 10:03:19 +0800 | [diff] [blame] | 3630 | } |
| 3631 | } |
| 3632 | } |
| 3633 | } |
| 3634 | #else /* QCA_LL_TX_FLOW_CONTROL_V2! */ |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 3635 | |
| 3636 | static inline void |
| 3637 | dp_tx_desc_reset_vdev(struct dp_soc *soc, struct dp_tx_desc_s *tx_desc, |
| 3638 | uint8_t desc_pool_id) |
| 3639 | { |
| 3640 | TX_DESC_LOCK_LOCK(&soc->tx_desc[desc_pool_id].lock); |
| 3641 | |
| 3642 | tx_desc->vdev = NULL; |
| 3643 | |
| 3644 | TX_DESC_LOCK_UNLOCK(&soc->tx_desc[desc_pool_id].lock); |
| 3645 | } |
| 3646 | |
| 3647 | static void dp_tx_desc_flush(struct dp_pdev *pdev, |
| 3648 | struct dp_vdev *vdev, |
| 3649 | bool force_free) |
Soumya Bhat | 33a8822 | 2018-03-21 14:47:00 +0530 | [diff] [blame] | 3650 | { |
| 3651 | uint8_t i, num_pool; |
| 3652 | uint32_t j; |
Jinwei Chen | b3f9d20 | 2018-11-30 10:03:19 +0800 | [diff] [blame] | 3653 | uint32_t num_desc, page_id, offset; |
| 3654 | uint16_t num_desc_per_page; |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 3655 | struct dp_soc *soc = pdev->soc; |
Soumya Bhat | 33a8822 | 2018-03-21 14:47:00 +0530 | [diff] [blame] | 3656 | struct dp_tx_desc_s *tx_desc = NULL; |
| 3657 | struct dp_tx_desc_pool_s *tx_desc_pool = NULL; |
| 3658 | |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 3659 | if (!vdev && !force_free) { |
| 3660 | dp_err("Reset TX desc vdev, Vdev param is required!"); |
| 3661 | return; |
| 3662 | } |
| 3663 | |
Soumya Bhat | 33a8822 | 2018-03-21 14:47:00 +0530 | [diff] [blame] | 3664 | num_desc = wlan_cfg_get_num_tx_desc(soc->wlan_cfg_ctx); |
| 3665 | num_pool = wlan_cfg_get_num_tx_desc_pool(soc->wlan_cfg_ctx); |
| 3666 | |
| 3667 | for (i = 0; i < num_pool; i++) { |
Jinwei Chen | b3f9d20 | 2018-11-30 10:03:19 +0800 | [diff] [blame] | 3668 | tx_desc_pool = &soc->tx_desc[i]; |
| 3669 | if (!tx_desc_pool->desc_pages.cacheable_pages) |
| 3670 | continue; |
Soumya Bhat | 33a8822 | 2018-03-21 14:47:00 +0530 | [diff] [blame] | 3671 | |
Jinwei Chen | b3f9d20 | 2018-11-30 10:03:19 +0800 | [diff] [blame] | 3672 | num_desc_per_page = |
| 3673 | tx_desc_pool->desc_pages.num_element_per_page; |
| 3674 | for (j = 0; j < num_desc; j++) { |
| 3675 | page_id = j / num_desc_per_page; |
| 3676 | offset = j % num_desc_per_page; |
| 3677 | tx_desc = dp_tx_desc_find(soc, i, page_id, offset); |
| 3678 | |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 3679 | if (dp_is_tx_desc_flush_match(pdev, vdev, tx_desc)) { |
| 3680 | if (force_free) { |
| 3681 | dp_tx_comp_free_buf(soc, tx_desc); |
| 3682 | dp_tx_desc_release(tx_desc, i); |
| 3683 | } else { |
| 3684 | dp_tx_desc_reset_vdev(soc, tx_desc, |
| 3685 | i); |
| 3686 | } |
Soumya Bhat | 33a8822 | 2018-03-21 14:47:00 +0530 | [diff] [blame] | 3687 | } |
| 3688 | } |
| 3689 | } |
| 3690 | } |
Ankit Kumar | 14b9622 | 2019-03-29 20:57:51 +0530 | [diff] [blame] | 3691 | #endif /* !QCA_LL_TX_FLOW_CONTROL_V2 */ |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 3692 | |
Pamidipati, Vijay | c9a13a5 | 2017-04-06 17:45:49 +0530 | [diff] [blame] | 3693 | /** |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3694 | * dp_tx_vdev_detach() - detach vdev from dp tx |
| 3695 | * @vdev: virtual device instance |
| 3696 | * |
| 3697 | * Return: QDF_STATUS_SUCCESS: success |
| 3698 | * QDF_STATUS_E_RESOURCES: Error return |
| 3699 | */ |
| 3700 | QDF_STATUS dp_tx_vdev_detach(struct dp_vdev *vdev) |
| 3701 | { |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 3702 | struct dp_pdev *pdev = vdev->pdev; |
| 3703 | |
| 3704 | /* Reset TX desc associated to this Vdev as NULL */ |
| 3705 | dp_tx_desc_flush(pdev, vdev, false); |
| 3706 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3707 | return QDF_STATUS_SUCCESS; |
| 3708 | } |
| 3709 | |
| 3710 | /** |
| 3711 | * dp_tx_pdev_attach() - attach pdev to dp tx |
| 3712 | * @pdev: physical device instance |
| 3713 | * |
| 3714 | * Return: QDF_STATUS_SUCCESS: success |
| 3715 | * QDF_STATUS_E_RESOURCES: Error return |
| 3716 | */ |
| 3717 | QDF_STATUS dp_tx_pdev_attach(struct dp_pdev *pdev) |
| 3718 | { |
| 3719 | struct dp_soc *soc = pdev->soc; |
| 3720 | |
| 3721 | /* Initialize Flow control counters */ |
Vijay Pamidipati | 4d5d436 | 2017-02-09 22:49:00 +0530 | [diff] [blame] | 3722 | qdf_atomic_init(&pdev->num_tx_exception); |
| 3723 | qdf_atomic_init(&pdev->num_tx_outstanding); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3724 | |
| 3725 | if (wlan_cfg_per_pdev_tx_ring(soc->wlan_cfg_ctx)) { |
| 3726 | /* Initialize descriptors in TCL Ring */ |
| 3727 | hal_tx_init_data_ring(soc->hal_soc, |
| 3728 | soc->tcl_data_ring[pdev->pdev_id].hal_srng); |
| 3729 | } |
| 3730 | |
| 3731 | return QDF_STATUS_SUCCESS; |
| 3732 | } |
| 3733 | |
Soumya Bhat | 33a8822 | 2018-03-21 14:47:00 +0530 | [diff] [blame] | 3734 | /** |
| 3735 | * dp_tx_pdev_detach() - detach pdev from dp tx |
| 3736 | * @pdev: physical device instance |
| 3737 | * |
| 3738 | * Return: QDF_STATUS_SUCCESS: success |
| 3739 | * QDF_STATUS_E_RESOURCES: Error return |
| 3740 | */ |
| 3741 | QDF_STATUS dp_tx_pdev_detach(struct dp_pdev *pdev) |
| 3742 | { |
Jinwei Chen | 79b4fc8 | 2019-04-26 13:27:27 +0800 | [diff] [blame] | 3743 | /* flush TX outstanding data per pdev */ |
| 3744 | dp_tx_desc_flush(pdev, NULL, true); |
Soumya Bhat | 33a8822 | 2018-03-21 14:47:00 +0530 | [diff] [blame] | 3745 | dp_tx_me_exit(pdev); |
| 3746 | return QDF_STATUS_SUCCESS; |
| 3747 | } |
| 3748 | |
Ruchi, Agrawal | e8eeb44 | 2018-02-12 16:19:58 +0530 | [diff] [blame] | 3749 | #ifdef QCA_LL_TX_FLOW_CONTROL_V2 |
| 3750 | /* Pools will be allocated dynamically */ |
| 3751 | static int dp_tx_alloc_static_pools(struct dp_soc *soc, int num_pool, |
| 3752 | int num_desc) |
| 3753 | { |
| 3754 | uint8_t i; |
| 3755 | |
| 3756 | for (i = 0; i < num_pool; i++) { |
| 3757 | qdf_spinlock_create(&soc->tx_desc[i].flow_pool_lock); |
| 3758 | soc->tx_desc[i].status = FLOW_POOL_INACTIVE; |
| 3759 | } |
| 3760 | |
| 3761 | return 0; |
| 3762 | } |
| 3763 | |
| 3764 | static void dp_tx_delete_static_pools(struct dp_soc *soc, int num_pool) |
| 3765 | { |
| 3766 | uint8_t i; |
| 3767 | |
| 3768 | for (i = 0; i < num_pool; i++) |
| 3769 | qdf_spinlock_destroy(&soc->tx_desc[i].flow_pool_lock); |
| 3770 | } |
Ruchi, Agrawal | e8eeb44 | 2018-02-12 16:19:58 +0530 | [diff] [blame] | 3771 | #else /* QCA_LL_TX_FLOW_CONTROL_V2! */ |
| 3772 | static int dp_tx_alloc_static_pools(struct dp_soc *soc, int num_pool, |
| 3773 | int num_desc) |
| 3774 | { |
| 3775 | uint8_t i; |
| 3776 | |
| 3777 | /* Allocate software Tx descriptor pools */ |
| 3778 | for (i = 0; i < num_pool; i++) { |
| 3779 | if (dp_tx_desc_pool_alloc(soc, i, num_desc)) { |
| 3780 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 3781 | "%s Tx Desc Pool alloc %d failed %pK", |
Ruchi, Agrawal | e8eeb44 | 2018-02-12 16:19:58 +0530 | [diff] [blame] | 3782 | __func__, i, soc); |
| 3783 | return ENOMEM; |
| 3784 | } |
| 3785 | } |
| 3786 | return 0; |
| 3787 | } |
| 3788 | |
| 3789 | static void dp_tx_delete_static_pools(struct dp_soc *soc, int num_pool) |
| 3790 | { |
| 3791 | uint8_t i; |
| 3792 | |
| 3793 | for (i = 0; i < num_pool; i++) { |
Soumya Bhat | 33a8822 | 2018-03-21 14:47:00 +0530 | [diff] [blame] | 3794 | qdf_assert_always(!soc->tx_desc[i].num_allocated); |
Ruchi, Agrawal | e8eeb44 | 2018-02-12 16:19:58 +0530 | [diff] [blame] | 3795 | if (dp_tx_desc_pool_free(soc, i)) { |
| 3796 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 3797 | "%s Tx Desc Pool Free failed", __func__); |
Ruchi, Agrawal | e8eeb44 | 2018-02-12 16:19:58 +0530 | [diff] [blame] | 3798 | } |
| 3799 | } |
| 3800 | } |
| 3801 | |
Ruchi, Agrawal | e8eeb44 | 2018-02-12 16:19:58 +0530 | [diff] [blame] | 3802 | #endif /* !QCA_LL_TX_FLOW_CONTROL_V2 */ |
Ruchi, Agrawal | c0f9c97 | 2018-02-02 11:24:05 +0530 | [diff] [blame] | 3803 | |
Anish Nataraj | e9d4c3b | 2018-11-24 22:24:56 +0530 | [diff] [blame] | 3804 | #ifndef QCA_MEM_ATTACH_ON_WIFI3 |
| 3805 | /** |
| 3806 | * dp_tso_attach_wifi3() - TSO attach handler |
| 3807 | * @txrx_soc: Opaque Dp handle |
| 3808 | * |
| 3809 | * Reserve TSO descriptor buffers |
| 3810 | * |
| 3811 | * Return: QDF_STATUS_E_FAILURE on failure or |
| 3812 | * QDF_STATUS_SUCCESS on success |
| 3813 | */ |
| 3814 | static |
| 3815 | QDF_STATUS dp_tso_attach_wifi3(void *txrx_soc) |
| 3816 | { |
| 3817 | return dp_tso_soc_attach(txrx_soc); |
| 3818 | } |
| 3819 | |
| 3820 | /** |
| 3821 | * dp_tso_detach_wifi3() - TSO Detach handler |
| 3822 | * @txrx_soc: Opaque Dp handle |
| 3823 | * |
| 3824 | * Deallocate TSO descriptor buffers |
| 3825 | * |
| 3826 | * Return: QDF_STATUS_E_FAILURE on failure or |
| 3827 | * QDF_STATUS_SUCCESS on success |
| 3828 | */ |
| 3829 | static |
| 3830 | QDF_STATUS dp_tso_detach_wifi3(void *txrx_soc) |
| 3831 | { |
| 3832 | return dp_tso_soc_detach(txrx_soc); |
| 3833 | } |
| 3834 | #else |
| 3835 | static |
| 3836 | QDF_STATUS dp_tso_attach_wifi3(void *txrx_soc) |
| 3837 | { |
| 3838 | return QDF_STATUS_SUCCESS; |
| 3839 | } |
| 3840 | |
| 3841 | static |
| 3842 | QDF_STATUS dp_tso_detach_wifi3(void *txrx_soc) |
| 3843 | { |
| 3844 | return QDF_STATUS_SUCCESS; |
| 3845 | } |
| 3846 | #endif |
| 3847 | |
| 3848 | QDF_STATUS dp_tso_soc_detach(void *txrx_soc) |
| 3849 | { |
| 3850 | struct dp_soc *soc = (struct dp_soc *)txrx_soc; |
| 3851 | uint8_t i; |
| 3852 | uint8_t num_pool; |
| 3853 | uint32_t num_desc; |
| 3854 | |
| 3855 | num_pool = wlan_cfg_get_num_tx_desc_pool(soc->wlan_cfg_ctx); |
| 3856 | num_desc = wlan_cfg_get_num_tx_desc(soc->wlan_cfg_ctx); |
| 3857 | |
| 3858 | for (i = 0; i < num_pool; i++) |
| 3859 | dp_tx_tso_desc_pool_free(soc, i); |
| 3860 | |
| 3861 | dp_info("%s TSO Desc Pool %d Free descs = %d", |
| 3862 | __func__, num_pool, num_desc); |
| 3863 | |
| 3864 | for (i = 0; i < num_pool; i++) |
| 3865 | dp_tx_tso_num_seg_pool_free(soc, i); |
| 3866 | |
| 3867 | dp_info("%s TSO Num of seg Desc Pool %d Free descs = %d", |
| 3868 | __func__, num_pool, num_desc); |
| 3869 | |
| 3870 | return QDF_STATUS_SUCCESS; |
| 3871 | } |
| 3872 | |
| 3873 | /** |
| 3874 | * dp_tso_attach() - TSO attach handler |
| 3875 | * @txrx_soc: Opaque Dp handle |
| 3876 | * |
| 3877 | * Reserve TSO descriptor buffers |
| 3878 | * |
| 3879 | * Return: QDF_STATUS_E_FAILURE on failure or |
| 3880 | * QDF_STATUS_SUCCESS on success |
| 3881 | */ |
| 3882 | QDF_STATUS dp_tso_soc_attach(void *txrx_soc) |
| 3883 | { |
| 3884 | struct dp_soc *soc = (struct dp_soc *)txrx_soc; |
| 3885 | uint8_t i; |
| 3886 | uint8_t num_pool; |
| 3887 | uint32_t num_desc; |
| 3888 | |
| 3889 | num_pool = wlan_cfg_get_num_tx_desc_pool(soc->wlan_cfg_ctx); |
| 3890 | num_desc = wlan_cfg_get_num_tx_desc(soc->wlan_cfg_ctx); |
| 3891 | |
| 3892 | for (i = 0; i < num_pool; i++) { |
| 3893 | if (dp_tx_tso_desc_pool_alloc(soc, i, num_desc)) { |
| 3894 | dp_err("TSO Desc Pool alloc %d failed %pK", |
| 3895 | i, soc); |
| 3896 | |
| 3897 | return QDF_STATUS_E_FAILURE; |
| 3898 | } |
| 3899 | } |
| 3900 | |
| 3901 | dp_info("%s TSO Desc Alloc %d, descs = %d", |
| 3902 | __func__, num_pool, num_desc); |
| 3903 | |
| 3904 | for (i = 0; i < num_pool; i++) { |
| 3905 | if (dp_tx_tso_num_seg_pool_alloc(soc, i, num_desc)) { |
| 3906 | dp_err("TSO Num of seg Pool alloc %d failed %pK", |
| 3907 | i, soc); |
| 3908 | |
| 3909 | return QDF_STATUS_E_FAILURE; |
| 3910 | } |
| 3911 | } |
| 3912 | return QDF_STATUS_SUCCESS; |
| 3913 | } |
| 3914 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3915 | /** |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3916 | * dp_tx_soc_detach() - detach soc from dp tx |
| 3917 | * @soc: core txrx main context |
| 3918 | * |
| 3919 | * This function will detach dp tx into main device context |
| 3920 | * will free dp tx resource and initialize resources |
| 3921 | * |
| 3922 | * Return: QDF_STATUS_SUCCESS: success |
| 3923 | * QDF_STATUS_E_RESOURCES: Error return |
| 3924 | */ |
| 3925 | QDF_STATUS dp_tx_soc_detach(struct dp_soc *soc) |
| 3926 | { |
| 3927 | uint8_t num_pool; |
Leo Chang | 5ea93a4 | 2016-11-03 12:39:49 -0700 | [diff] [blame] | 3928 | uint16_t num_desc; |
| 3929 | uint16_t num_ext_desc; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3930 | uint8_t i; |
Anish Nataraj | e9d4c3b | 2018-11-24 22:24:56 +0530 | [diff] [blame] | 3931 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3932 | |
| 3933 | num_pool = wlan_cfg_get_num_tx_desc_pool(soc->wlan_cfg_ctx); |
| 3934 | num_desc = wlan_cfg_get_num_tx_desc(soc->wlan_cfg_ctx); |
| 3935 | num_ext_desc = wlan_cfg_get_num_tx_ext_desc(soc->wlan_cfg_ctx); |
| 3936 | |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 3937 | dp_tx_flow_control_deinit(soc); |
| 3938 | dp_tx_delete_static_pools(soc, num_pool); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3939 | |
| 3940 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 3941 | "%s Tx Desc Pool Free num_pool = %d, descs = %d", |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3942 | __func__, num_pool, num_desc); |
| 3943 | |
| 3944 | for (i = 0; i < num_pool; i++) { |
| 3945 | if (dp_tx_ext_desc_pool_free(soc, i)) { |
| 3946 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 3947 | "%s Tx Ext Desc Pool Free failed", |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3948 | __func__); |
| 3949 | return QDF_STATUS_E_RESOURCES; |
| 3950 | } |
| 3951 | } |
| 3952 | |
| 3953 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 3954 | "%s MSDU Ext Desc Pool %d Free descs = %d", |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3955 | __func__, num_pool, num_ext_desc); |
| 3956 | |
Anish Nataraj | e9d4c3b | 2018-11-24 22:24:56 +0530 | [diff] [blame] | 3957 | status = dp_tso_detach_wifi3(soc); |
| 3958 | if (status != QDF_STATUS_SUCCESS) |
| 3959 | return status; |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 3960 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3961 | return QDF_STATUS_SUCCESS; |
| 3962 | } |
| 3963 | |
| 3964 | /** |
| 3965 | * dp_tx_soc_attach() - attach soc to dp tx |
| 3966 | * @soc: core txrx main context |
| 3967 | * |
| 3968 | * This function will attach dp tx into main device context |
| 3969 | * will allocate dp tx resource and initialize resources |
| 3970 | * |
| 3971 | * Return: QDF_STATUS_SUCCESS: success |
| 3972 | * QDF_STATUS_E_RESOURCES: Error return |
| 3973 | */ |
| 3974 | QDF_STATUS dp_tx_soc_attach(struct dp_soc *soc) |
| 3975 | { |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 3976 | uint8_t i; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3977 | uint8_t num_pool; |
| 3978 | uint32_t num_desc; |
| 3979 | uint32_t num_ext_desc; |
Anish Nataraj | e9d4c3b | 2018-11-24 22:24:56 +0530 | [diff] [blame] | 3980 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3981 | |
| 3982 | num_pool = wlan_cfg_get_num_tx_desc_pool(soc->wlan_cfg_ctx); |
| 3983 | num_desc = wlan_cfg_get_num_tx_desc(soc->wlan_cfg_ctx); |
| 3984 | num_ext_desc = wlan_cfg_get_num_tx_ext_desc(soc->wlan_cfg_ctx); |
| 3985 | |
Chaitanya Kiran Godavarthi | b1e2bf5 | 2019-01-10 15:05:17 +0530 | [diff] [blame] | 3986 | if (num_pool > MAX_TXDESC_POOLS) |
| 3987 | goto fail; |
| 3988 | |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 3989 | if (dp_tx_alloc_static_pools(soc, num_pool, num_desc)) |
| 3990 | goto fail; |
| 3991 | |
| 3992 | dp_tx_flow_control_init(soc); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3993 | |
| 3994 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 3995 | "%s Tx Desc Alloc num_pool = %d, descs = %d", |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 3996 | __func__, num_pool, num_desc); |
| 3997 | |
| 3998 | /* Allocate extension tx descriptor pools */ |
| 3999 | for (i = 0; i < num_pool; i++) { |
| 4000 | if (dp_tx_ext_desc_pool_alloc(soc, i, num_ext_desc)) { |
| 4001 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 4002 | "MSDU Ext Desc Pool alloc %d failed %pK", |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 4003 | i, soc); |
| 4004 | |
| 4005 | goto fail; |
| 4006 | } |
| 4007 | } |
| 4008 | |
| 4009 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 4010 | "%s MSDU Ext Desc Alloc %d, descs = %d", |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 4011 | __func__, num_pool, num_ext_desc); |
| 4012 | |
Anish Nataraj | e9d4c3b | 2018-11-24 22:24:56 +0530 | [diff] [blame] | 4013 | status = dp_tso_attach_wifi3((void *)soc); |
| 4014 | if (status != QDF_STATUS_SUCCESS) |
| 4015 | goto fail; |
Ishank Jain | 5122f8f | 2017-03-15 22:22:47 +0530 | [diff] [blame] | 4016 | |
Venkata Sharath Chandra Manchala | 35503cc | 2017-04-06 15:30:54 -0700 | [diff] [blame] | 4017 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 4018 | /* Initialize descriptors in TCL Rings */ |
| 4019 | if (!wlan_cfg_per_pdev_tx_ring(soc->wlan_cfg_ctx)) { |
| 4020 | for (i = 0; i < soc->num_tcl_data_rings; i++) { |
| 4021 | hal_tx_init_data_ring(soc->hal_soc, |
| 4022 | soc->tcl_data_ring[i].hal_srng); |
| 4023 | } |
| 4024 | } |
| 4025 | |
Vijay Pamidipati | 5bcfa31 | 2016-12-20 11:44:38 +0530 | [diff] [blame] | 4026 | /* |
Vijay Pamidipati | 5bcfa31 | 2016-12-20 11:44:38 +0530 | [diff] [blame] | 4027 | * todo - Add a runtime config option to enable this. |
| 4028 | */ |
Debashis Dutt | af64522 | 2017-01-20 19:29:25 -0800 | [diff] [blame] | 4029 | /* |
| 4030 | * Due to multiple issues on NPR EMU, enable it selectively |
| 4031 | * only for NPR EMU, should be removed, once NPR platforms |
| 4032 | * are stable. |
| 4033 | */ |
chenguo | 9bece1a | 2017-12-19 18:49:41 +0800 | [diff] [blame] | 4034 | soc->process_tx_status = CONFIG_PROCESS_TX_STATUS; |
Vijay Pamidipati | 5bcfa31 | 2016-12-20 11:44:38 +0530 | [diff] [blame] | 4035 | |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 4036 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 4037 | "%s HAL Tx init Success", __func__); |
Pamidipati, Vijay | 576bd15 | 2016-09-27 20:58:18 +0530 | [diff] [blame] | 4038 | |
| 4039 | return QDF_STATUS_SUCCESS; |
| 4040 | |
| 4041 | fail: |
| 4042 | /* Detach will take care of freeing only allocated resources */ |
| 4043 | dp_tx_soc_detach(soc); |
| 4044 | return QDF_STATUS_E_RESOURCES; |
| 4045 | } |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4046 | |
| 4047 | /* |
| 4048 | * dp_tx_me_mem_free(): Function to free allocated memory in mcast enahncement |
| 4049 | * pdev: pointer to DP PDEV structure |
| 4050 | * seg_info_head: Pointer to the head of list |
| 4051 | * |
| 4052 | * return: void |
| 4053 | */ |
Pamidipati, Vijay | 726ea12 | 2018-02-07 18:27:00 +0530 | [diff] [blame] | 4054 | static void dp_tx_me_mem_free(struct dp_pdev *pdev, |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4055 | struct dp_tx_seg_info_s *seg_info_head) |
| 4056 | { |
| 4057 | struct dp_tx_me_buf_t *mc_uc_buf; |
| 4058 | struct dp_tx_seg_info_s *seg_info_new = NULL; |
| 4059 | qdf_nbuf_t nbuf = NULL; |
| 4060 | uint64_t phy_addr; |
| 4061 | |
| 4062 | while (seg_info_head) { |
| 4063 | nbuf = seg_info_head->nbuf; |
| 4064 | mc_uc_buf = (struct dp_tx_me_buf_t *) |
Pamidipati, Vijay | fb0d54d | 2018-01-03 20:06:08 +0530 | [diff] [blame] | 4065 | seg_info_head->frags[0].vaddr; |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4066 | phy_addr = seg_info_head->frags[0].paddr_hi; |
| 4067 | phy_addr = (phy_addr << 32) | seg_info_head->frags[0].paddr_lo; |
| 4068 | qdf_mem_unmap_nbytes_single(pdev->soc->osdev, |
| 4069 | phy_addr, |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 4070 | QDF_DMA_TO_DEVICE , QDF_MAC_ADDR_SIZE); |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4071 | dp_tx_me_free_buf(pdev, mc_uc_buf); |
| 4072 | qdf_nbuf_free(nbuf); |
| 4073 | seg_info_new = seg_info_head; |
| 4074 | seg_info_head = seg_info_head->next; |
| 4075 | qdf_mem_free(seg_info_new); |
| 4076 | } |
| 4077 | } |
| 4078 | |
| 4079 | /** |
Jeff Johnson | d087ede | 2018-05-06 15:33:22 -0700 | [diff] [blame] | 4080 | * dp_tx_me_send_convert_ucast(): function to convert multicast to unicast |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4081 | * @vdev: DP VDEV handle |
| 4082 | * @nbuf: Multicast nbuf |
| 4083 | * @newmac: Table of the clients to which packets have to be sent |
| 4084 | * @new_mac_cnt: No of clients |
| 4085 | * |
| 4086 | * return: no of converted packets |
| 4087 | */ |
| 4088 | uint16_t |
| 4089 | dp_tx_me_send_convert_ucast(struct cdp_vdev *vdev_handle, qdf_nbuf_t nbuf, |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 4090 | uint8_t newmac[][QDF_MAC_ADDR_SIZE], uint8_t new_mac_cnt) |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4091 | { |
| 4092 | struct dp_vdev *vdev = (struct dp_vdev *) vdev_handle; |
| 4093 | struct dp_pdev *pdev = vdev->pdev; |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 4094 | qdf_ether_header_t *eh; |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4095 | uint8_t *data; |
| 4096 | uint16_t len; |
| 4097 | |
| 4098 | /* reference to frame dst addr */ |
| 4099 | uint8_t *dstmac; |
| 4100 | /* copy of original frame src addr */ |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 4101 | uint8_t srcmac[QDF_MAC_ADDR_SIZE]; |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4102 | |
| 4103 | /* local index into newmac */ |
| 4104 | uint8_t new_mac_idx = 0; |
| 4105 | struct dp_tx_me_buf_t *mc_uc_buf; |
| 4106 | qdf_nbuf_t nbuf_clone; |
| 4107 | struct dp_tx_msdu_info_s msdu_info; |
| 4108 | struct dp_tx_seg_info_s *seg_info_head = NULL; |
| 4109 | struct dp_tx_seg_info_s *seg_info_tail = NULL; |
| 4110 | struct dp_tx_seg_info_s *seg_info_new; |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4111 | qdf_dma_addr_t paddr_data; |
| 4112 | qdf_dma_addr_t paddr_mcbuf = 0; |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 4113 | uint8_t empty_entry_mac[QDF_MAC_ADDR_SIZE] = {0}; |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4114 | QDF_STATUS status; |
| 4115 | |
hangtian | fe681a5 | 2019-01-16 17:16:28 +0800 | [diff] [blame] | 4116 | qdf_mem_zero(&msdu_info, sizeof(msdu_info)); |
Kiran Venkatappa | a7b6842 | 2017-07-14 20:53:37 +0530 | [diff] [blame] | 4117 | |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4118 | dp_tx_get_queue(vdev, nbuf, &msdu_info.tx_queue); |
| 4119 | |
Srinivas Girigowda | 03bd4b6 | 2019-02-25 10:57:08 -0800 | [diff] [blame] | 4120 | eh = (qdf_ether_header_t *)nbuf; |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 4121 | qdf_mem_copy(srcmac, eh->ether_shost, QDF_MAC_ADDR_SIZE); |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4122 | |
| 4123 | len = qdf_nbuf_len(nbuf); |
| 4124 | |
| 4125 | data = qdf_nbuf_data(nbuf); |
| 4126 | |
| 4127 | status = qdf_nbuf_map(vdev->osdev, nbuf, |
| 4128 | QDF_DMA_TO_DEVICE); |
| 4129 | |
| 4130 | if (status) { |
| 4131 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 4132 | "Mapping failure Error:%d", status); |
| 4133 | DP_STATS_INC(vdev, tx_i.mcast_en.dropped_map_error, 1); |
Pamidipati, Vijay | 726ea12 | 2018-02-07 18:27:00 +0530 | [diff] [blame] | 4134 | qdf_nbuf_free(nbuf); |
| 4135 | return 1; |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4136 | } |
| 4137 | |
Varsha Mishra | 0c201e2 | 2019-04-01 20:53:00 +0530 | [diff] [blame] | 4138 | paddr_data = qdf_nbuf_mapped_paddr_get(nbuf) + QDF_MAC_ADDR_SIZE; |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4139 | |
| 4140 | for (new_mac_idx = 0; new_mac_idx < new_mac_cnt; new_mac_idx++) { |
| 4141 | dstmac = newmac[new_mac_idx]; |
| 4142 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, |
| 4143 | "added mac addr (%pM)", dstmac); |
| 4144 | |
| 4145 | /* Check for NULL Mac Address */ |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 4146 | if (!qdf_mem_cmp(dstmac, empty_entry_mac, QDF_MAC_ADDR_SIZE)) |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4147 | continue; |
| 4148 | |
| 4149 | /* frame to self mac. skip */ |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 4150 | if (!qdf_mem_cmp(dstmac, srcmac, QDF_MAC_ADDR_SIZE)) |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4151 | continue; |
| 4152 | |
| 4153 | /* |
| 4154 | * TODO: optimize to avoid malloc in per-packet path |
| 4155 | * For eg. seg_pool can be made part of vdev structure |
| 4156 | */ |
| 4157 | seg_info_new = qdf_mem_malloc(sizeof(*seg_info_new)); |
| 4158 | |
| 4159 | if (!seg_info_new) { |
| 4160 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 4161 | "alloc failed"); |
| 4162 | DP_STATS_INC(vdev, tx_i.mcast_en.fail_seg_alloc, 1); |
| 4163 | goto fail_seg_alloc; |
| 4164 | } |
| 4165 | |
| 4166 | mc_uc_buf = dp_tx_me_alloc_buf(pdev); |
Jeff Johnson | a8edf33 | 2019-03-18 09:51:52 -0700 | [diff] [blame] | 4167 | if (!mc_uc_buf) |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4168 | goto fail_buf_alloc; |
| 4169 | |
| 4170 | /* |
| 4171 | * TODO: Check if we need to clone the nbuf |
| 4172 | * Or can we just use the reference for all cases |
| 4173 | */ |
| 4174 | if (new_mac_idx < (new_mac_cnt - 1)) { |
| 4175 | nbuf_clone = qdf_nbuf_clone((qdf_nbuf_t)nbuf); |
Jeff Johnson | a8edf33 | 2019-03-18 09:51:52 -0700 | [diff] [blame] | 4176 | if (!nbuf_clone) { |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4177 | DP_STATS_INC(vdev, tx_i.mcast_en.clone_fail, 1); |
| 4178 | goto fail_clone; |
| 4179 | } |
| 4180 | } else { |
| 4181 | /* |
| 4182 | * Update the ref |
| 4183 | * to account for frame sent without cloning |
| 4184 | */ |
| 4185 | qdf_nbuf_ref(nbuf); |
| 4186 | nbuf_clone = nbuf; |
| 4187 | } |
| 4188 | |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 4189 | qdf_mem_copy(mc_uc_buf->data, dstmac, QDF_MAC_ADDR_SIZE); |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4190 | |
| 4191 | status = qdf_mem_map_nbytes_single(vdev->osdev, mc_uc_buf->data, |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 4192 | QDF_DMA_TO_DEVICE, QDF_MAC_ADDR_SIZE, |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4193 | &paddr_mcbuf); |
| 4194 | |
| 4195 | if (status) { |
| 4196 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 4197 | "Mapping failure Error:%d", status); |
| 4198 | DP_STATS_INC(vdev, tx_i.mcast_en.dropped_map_error, 1); |
| 4199 | goto fail_map; |
| 4200 | } |
| 4201 | |
| 4202 | seg_info_new->frags[0].vaddr = (uint8_t *)mc_uc_buf; |
| 4203 | seg_info_new->frags[0].paddr_lo = (uint32_t) paddr_mcbuf; |
| 4204 | seg_info_new->frags[0].paddr_hi = |
Varsha Mishra | 0c201e2 | 2019-04-01 20:53:00 +0530 | [diff] [blame] | 4205 | (uint16_t)((uint64_t)paddr_mcbuf >> 32); |
Srinivas Girigowda | 2751b6d | 2019-02-27 12:28:13 -0800 | [diff] [blame] | 4206 | seg_info_new->frags[0].len = QDF_MAC_ADDR_SIZE; |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4207 | |
Varsha Mishra | 0c201e2 | 2019-04-01 20:53:00 +0530 | [diff] [blame] | 4208 | /*preparing data fragment*/ |
| 4209 | seg_info_new->frags[1].vaddr = |
| 4210 | qdf_nbuf_data(nbuf) + QDF_MAC_ADDR_SIZE; |
| 4211 | seg_info_new->frags[1].paddr_lo = (uint32_t)paddr_data; |
| 4212 | seg_info_new->frags[1].paddr_hi = |
| 4213 | (uint16_t)(((uint64_t)paddr_data) >> 32); |
| 4214 | seg_info_new->frags[1].len = len - QDF_MAC_ADDR_SIZE; |
| 4215 | |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4216 | seg_info_new->nbuf = nbuf_clone; |
| 4217 | seg_info_new->frag_cnt = 2; |
| 4218 | seg_info_new->total_len = len; |
| 4219 | |
| 4220 | seg_info_new->next = NULL; |
| 4221 | |
Jeff Johnson | a8edf33 | 2019-03-18 09:51:52 -0700 | [diff] [blame] | 4222 | if (!seg_info_head) |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4223 | seg_info_head = seg_info_new; |
| 4224 | else |
| 4225 | seg_info_tail->next = seg_info_new; |
| 4226 | |
| 4227 | seg_info_tail = seg_info_new; |
| 4228 | } |
| 4229 | |
Pamidipati, Vijay | 726ea12 | 2018-02-07 18:27:00 +0530 | [diff] [blame] | 4230 | if (!seg_info_head) { |
| 4231 | goto free_return; |
| 4232 | } |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4233 | |
| 4234 | msdu_info.u.sg_info.curr_seg = seg_info_head; |
| 4235 | msdu_info.num_seg = new_mac_cnt; |
| 4236 | msdu_info.frm_type = dp_tx_frm_me; |
| 4237 | |
Varsha Mishra | 5827fd0 | 2019-05-03 16:59:57 +0530 | [diff] [blame] | 4238 | msdu_info.tid = HTT_INVALID_TID; |
Shashikala Prabhu | 8f6703b | 2018-10-31 09:43:00 +0530 | [diff] [blame] | 4239 | if (qdf_unlikely(vdev->mcast_enhancement_en > 0) && |
| 4240 | qdf_unlikely(pdev->hmmc_tid_override_en)) |
| 4241 | msdu_info.tid = pdev->hmmc_tid; |
| 4242 | |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4243 | DP_STATS_INC(vdev, tx_i.mcast_en.ucast, new_mac_cnt); |
| 4244 | dp_tx_send_msdu_multiple(vdev, nbuf, &msdu_info); |
| 4245 | |
| 4246 | while (seg_info_head->next) { |
| 4247 | seg_info_new = seg_info_head; |
| 4248 | seg_info_head = seg_info_head->next; |
| 4249 | qdf_mem_free(seg_info_new); |
| 4250 | } |
| 4251 | qdf_mem_free(seg_info_head); |
| 4252 | |
Pamidipati, Vijay | 726ea12 | 2018-02-07 18:27:00 +0530 | [diff] [blame] | 4253 | qdf_nbuf_unmap(pdev->soc->osdev, nbuf, QDF_DMA_TO_DEVICE); |
| 4254 | qdf_nbuf_free(nbuf); |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4255 | return new_mac_cnt; |
| 4256 | |
| 4257 | fail_map: |
| 4258 | qdf_nbuf_free(nbuf_clone); |
| 4259 | |
| 4260 | fail_clone: |
| 4261 | dp_tx_me_free_buf(pdev, mc_uc_buf); |
| 4262 | |
| 4263 | fail_buf_alloc: |
| 4264 | qdf_mem_free(seg_info_new); |
| 4265 | |
| 4266 | fail_seg_alloc: |
| 4267 | dp_tx_me_mem_free(pdev, seg_info_head); |
Pamidipati, Vijay | 726ea12 | 2018-02-07 18:27:00 +0530 | [diff] [blame] | 4268 | |
| 4269 | free_return: |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4270 | qdf_nbuf_unmap(pdev->soc->osdev, nbuf, QDF_DMA_TO_DEVICE); |
Pamidipati, Vijay | 726ea12 | 2018-02-07 18:27:00 +0530 | [diff] [blame] | 4271 | qdf_nbuf_free(nbuf); |
| 4272 | return 1; |
Ishank Jain | c838b13 | 2017-02-17 11:08:18 +0530 | [diff] [blame] | 4273 | } |
Ruchi, Agrawal | c0f9c97 | 2018-02-02 11:24:05 +0530 | [diff] [blame] | 4274 | |