Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1 | /* |
Venkata Sharath Chandra Manchala | 0d44d45 | 2016-11-23 17:48:15 -0800 | [diff] [blame] | 2 | * Copyright (c) 2015-2017 The Linux Foundation. All rights reserved. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
| 28 | /* OS abstraction libraries */ |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 29 | #include <qdf_nbuf.h> /* qdf_nbuf_t, etc. */ |
Anurag Chouhan | f04e84f | 2016-03-03 10:12:12 +0530 | [diff] [blame] | 30 | #include <qdf_atomic.h> /* qdf_atomic_read, etc. */ |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 31 | #include <qdf_util.h> /* qdf_unlikely */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 32 | |
| 33 | /* APIs for other modules */ |
| 34 | #include <htt.h> /* HTT_TX_EXT_TID_MGMT */ |
| 35 | #include <ol_htt_tx_api.h> /* htt_tx_desc_tid */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 36 | |
| 37 | /* internal header files relevant for all systems */ |
| 38 | #include <ol_txrx_internal.h> /* TXRX_ASSERT1 */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 39 | #include <ol_tx_desc.h> /* ol_tx_desc */ |
| 40 | #include <ol_tx_send.h> /* ol_tx_send */ |
Dhanashri Atre | 12a0839 | 2016-02-17 13:10:34 -0800 | [diff] [blame] | 41 | #include <ol_txrx.h> /* ol_txrx_get_vdev_from_vdev_id */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 42 | |
| 43 | /* internal header files relevant only for HL systems */ |
| 44 | #include <ol_tx_queue.h> /* ol_tx_enqueue */ |
| 45 | |
| 46 | /* internal header files relevant only for specific systems (Pronto) */ |
| 47 | #include <ol_txrx_encap.h> /* OL_TX_ENCAP, etc */ |
| 48 | #include <ol_tx.h> |
| 49 | #include <ol_cfg.h> |
Venkata Sharath Chandra Manchala | 0d44d45 | 2016-11-23 17:48:15 -0800 | [diff] [blame] | 50 | #include <cdp_txrx_handle.h> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 51 | #define INVALID_FLOW_ID 0xFF |
| 52 | #define MAX_INVALID_BIN 3 |
| 53 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 54 | #ifdef QCA_LL_TX_FLOW_GLOBAL_MGMT_POOL |
| 55 | #define TX_FLOW_MGMT_POOL_ID 0xEF |
| 56 | #define TX_FLOW_MGMT_POOL_SIZE 32 |
| 57 | |
| 58 | /** |
| 59 | * ol_tx_register_global_mgmt_pool() - register global pool for mgmt packets |
| 60 | * @pdev: pdev handler |
| 61 | * |
| 62 | * Return: none |
| 63 | */ |
| 64 | static void |
| 65 | ol_tx_register_global_mgmt_pool(struct ol_txrx_pdev_t *pdev) |
| 66 | { |
| 67 | pdev->mgmt_pool = ol_tx_create_flow_pool(TX_FLOW_MGMT_POOL_ID, |
| 68 | TX_FLOW_MGMT_POOL_SIZE); |
Yun Park | 29747c3 | 2017-04-05 12:05:58 -0700 | [diff] [blame] | 69 | if (!pdev->mgmt_pool) |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 70 | ol_txrx_err("Management pool creation failed\n"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 71 | } |
| 72 | |
| 73 | /** |
| 74 | * ol_tx_deregister_global_mgmt_pool() - Deregister global pool for mgmt packets |
| 75 | * @pdev: pdev handler |
| 76 | * |
| 77 | * Return: none |
| 78 | */ |
| 79 | static void |
| 80 | ol_tx_deregister_global_mgmt_pool(struct ol_txrx_pdev_t *pdev) |
| 81 | { |
Himanshu Agarwal | 7d367c1 | 2017-03-30 17:16:55 +0530 | [diff] [blame] | 82 | ol_tx_dec_pool_ref(pdev->mgmt_pool, false); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 83 | } |
| 84 | #else |
| 85 | static inline void |
| 86 | ol_tx_register_global_mgmt_pool(struct ol_txrx_pdev_t *pdev) |
| 87 | { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 88 | } |
| 89 | static inline void |
| 90 | ol_tx_deregister_global_mgmt_pool(struct ol_txrx_pdev_t *pdev) |
| 91 | { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 92 | } |
| 93 | #endif |
| 94 | |
| 95 | /** |
| 96 | * ol_tx_register_flow_control() - Register fw based tx flow control |
| 97 | * @pdev: pdev handle |
| 98 | * |
| 99 | * Return: none |
| 100 | */ |
| 101 | void ol_tx_register_flow_control(struct ol_txrx_pdev_t *pdev) |
| 102 | { |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 103 | qdf_spinlock_create(&pdev->tx_desc.flow_pool_list_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 104 | TAILQ_INIT(&pdev->tx_desc.flow_pool_list); |
| 105 | |
Nirav Shah | 22bf44d | 2015-12-10 15:39:48 +0530 | [diff] [blame] | 106 | if (!ol_tx_get_is_mgmt_over_wmi_enabled()) |
| 107 | ol_tx_register_global_mgmt_pool(pdev); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | /** |
| 111 | * ol_tx_deregister_flow_control() - Deregister fw based tx flow control |
| 112 | * @pdev: pdev handle |
| 113 | * |
| 114 | * Return: none |
| 115 | */ |
| 116 | void ol_tx_deregister_flow_control(struct ol_txrx_pdev_t *pdev) |
| 117 | { |
Nirav Shah | 7a0a905 | 2016-04-14 16:52:21 +0530 | [diff] [blame] | 118 | int i = 0; |
| 119 | struct ol_tx_flow_pool_t *pool = NULL; |
| 120 | |
Nirav Shah | 22bf44d | 2015-12-10 15:39:48 +0530 | [diff] [blame] | 121 | if (!ol_tx_get_is_mgmt_over_wmi_enabled()) |
| 122 | ol_tx_deregister_global_mgmt_pool(pdev); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 123 | |
Nirav Shah | 7a0a905 | 2016-04-14 16:52:21 +0530 | [diff] [blame] | 124 | qdf_spin_lock_bh(&pdev->tx_desc.flow_pool_list_lock); |
| 125 | while (!TAILQ_EMPTY(&pdev->tx_desc.flow_pool_list)) { |
| 126 | pool = TAILQ_FIRST(&pdev->tx_desc.flow_pool_list); |
| 127 | if (!pool) |
| 128 | break; |
| 129 | qdf_spin_unlock_bh(&pdev->tx_desc.flow_pool_list_lock); |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 130 | ol_txrx_info("flow pool list is not empty %d!!!\n", i++); |
Manjunathappa Prakash | 6c54736 | 2017-03-30 20:11:47 -0700 | [diff] [blame^] | 131 | |
Nirav Shah | 7a0a905 | 2016-04-14 16:52:21 +0530 | [diff] [blame] | 132 | if (i == 1) |
Manjunathappa Prakash | 6c54736 | 2017-03-30 20:11:47 -0700 | [diff] [blame^] | 133 | ol_tx_dump_flow_pool_info((void *)pdev); |
| 134 | |
Himanshu Agarwal | 7d367c1 | 2017-03-30 17:16:55 +0530 | [diff] [blame] | 135 | ol_tx_dec_pool_ref(pool, true); |
Nirav Shah | 7a0a905 | 2016-04-14 16:52:21 +0530 | [diff] [blame] | 136 | qdf_spin_lock_bh(&pdev->tx_desc.flow_pool_list_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 137 | } |
Nirav Shah | 7a0a905 | 2016-04-14 16:52:21 +0530 | [diff] [blame] | 138 | qdf_spin_unlock_bh(&pdev->tx_desc.flow_pool_list_lock); |
| 139 | qdf_spinlock_destroy(&pdev->tx_desc.flow_pool_list_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 140 | } |
| 141 | |
| 142 | /** |
Himanshu Agarwal | 7d367c1 | 2017-03-30 17:16:55 +0530 | [diff] [blame] | 143 | * ol_tx_delete_flow_pool() - delete flow pool |
| 144 | * @pool: flow pool pointer |
| 145 | * @force: free pool forcefully |
| 146 | * |
| 147 | * Delete flow_pool if all tx descriptors are available. |
| 148 | * Otherwise put it in FLOW_POOL_INVALID state. |
| 149 | * If force is set then pull all available descriptors to |
| 150 | * global pool. |
| 151 | * |
| 152 | * Return: 0 for success or error |
| 153 | */ |
| 154 | static int ol_tx_delete_flow_pool(struct ol_tx_flow_pool_t *pool, bool force) |
| 155 | { |
| 156 | struct ol_txrx_pdev_t *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
| 157 | uint16_t i, size; |
| 158 | union ol_tx_desc_list_elem_t *temp_list = NULL; |
| 159 | struct ol_tx_desc_t *tx_desc = NULL; |
| 160 | |
| 161 | if (!pool) { |
| 162 | ol_txrx_err( |
| 163 | "%s: pool is NULL\n", __func__); |
| 164 | QDF_ASSERT(0); |
| 165 | return -ENOMEM; |
| 166 | } |
| 167 | if (!pdev) { |
| 168 | ol_txrx_err( |
| 169 | "%s: pdev is NULL\n", __func__); |
| 170 | QDF_ASSERT(0); |
| 171 | return -ENOMEM; |
| 172 | } |
| 173 | |
| 174 | qdf_spin_lock_bh(&pool->flow_pool_lock); |
| 175 | if (pool->avail_desc == pool->flow_pool_size || force == true) |
| 176 | pool->status = FLOW_POOL_INACTIVE; |
| 177 | else |
| 178 | pool->status = FLOW_POOL_INVALID; |
| 179 | |
| 180 | /* Take all free descriptors and put it in temp_list */ |
| 181 | temp_list = pool->freelist; |
| 182 | size = pool->avail_desc; |
| 183 | pool->freelist = NULL; |
| 184 | pool->avail_desc = 0; |
| 185 | |
| 186 | if (pool->status == FLOW_POOL_INACTIVE) { |
| 187 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
| 188 | /* Free flow_pool */ |
| 189 | qdf_spinlock_destroy(&pool->flow_pool_lock); |
| 190 | qdf_mem_free(pool); |
| 191 | } else { /* FLOW_POOL_INVALID case*/ |
| 192 | pool->flow_pool_size -= size; |
| 193 | pool->flow_pool_id = INVALID_FLOW_ID; |
| 194 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
| 195 | ol_tx_inc_pool_ref(pool); |
| 196 | |
| 197 | pdev->tx_desc.num_invalid_bin++; |
| 198 | ol_txrx_info( |
| 199 | "%s: invalid pool created %d\n", |
| 200 | __func__, pdev->tx_desc.num_invalid_bin); |
| 201 | if (pdev->tx_desc.num_invalid_bin > MAX_INVALID_BIN) |
| 202 | ASSERT(0); |
| 203 | |
| 204 | qdf_spin_lock_bh(&pdev->tx_desc.flow_pool_list_lock); |
| 205 | TAILQ_INSERT_TAIL(&pdev->tx_desc.flow_pool_list, pool, |
| 206 | flow_pool_list_elem); |
| 207 | qdf_spin_unlock_bh(&pdev->tx_desc.flow_pool_list_lock); |
| 208 | } |
| 209 | |
| 210 | /* put free descriptors to global pool */ |
| 211 | qdf_spin_lock_bh(&pdev->tx_mutex); |
| 212 | for (i = 0; i < size; i++) { |
| 213 | tx_desc = &temp_list->tx_desc; |
| 214 | temp_list = temp_list->next; |
| 215 | |
| 216 | ol_tx_put_desc_global_pool(pdev, tx_desc); |
| 217 | } |
| 218 | qdf_spin_unlock_bh(&pdev->tx_mutex); |
| 219 | |
| 220 | return 0; |
| 221 | } |
| 222 | |
| 223 | QDF_STATUS ol_tx_inc_pool_ref(struct ol_tx_flow_pool_t *pool) |
| 224 | { |
| 225 | if (!pool) { |
| 226 | ol_txrx_err("flow pool is NULL"); |
| 227 | return QDF_STATUS_E_INVAL; |
| 228 | } |
| 229 | |
| 230 | qdf_spin_lock_bh(&pool->flow_pool_lock); |
| 231 | qdf_atomic_inc(&pool->ref_cnt); |
| 232 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
| 233 | ol_txrx_dbg("pool %p, ref_cnt %x", |
| 234 | pool, qdf_atomic_read(&pool->ref_cnt)); |
| 235 | |
| 236 | return QDF_STATUS_SUCCESS; |
| 237 | } |
| 238 | |
| 239 | QDF_STATUS ol_tx_dec_pool_ref(struct ol_tx_flow_pool_t *pool, bool force) |
| 240 | { |
| 241 | struct ol_txrx_pdev_t *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
| 242 | |
| 243 | if (!pool) { |
| 244 | ol_txrx_err("flow pool is NULL"); |
| 245 | QDF_ASSERT(0); |
| 246 | return QDF_STATUS_E_INVAL; |
| 247 | } |
| 248 | |
| 249 | if (!pdev) { |
| 250 | ol_txrx_err("pdev is NULL"); |
| 251 | QDF_ASSERT(0); |
| 252 | return QDF_STATUS_E_INVAL; |
| 253 | } |
| 254 | |
| 255 | qdf_spin_lock_bh(&pdev->tx_desc.flow_pool_list_lock); |
| 256 | qdf_spin_lock_bh(&pool->flow_pool_lock); |
| 257 | if (qdf_atomic_dec_and_test(&pool->ref_cnt)) { |
| 258 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
| 259 | TAILQ_REMOVE(&pdev->tx_desc.flow_pool_list, pool, |
| 260 | flow_pool_list_elem); |
| 261 | qdf_spin_unlock_bh(&pdev->tx_desc.flow_pool_list_lock); |
| 262 | ol_txrx_dbg("Deleting pool %p", pool); |
| 263 | ol_tx_delete_flow_pool(pool, force); |
| 264 | } else { |
| 265 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
| 266 | qdf_spin_unlock_bh(&pdev->tx_desc.flow_pool_list_lock); |
| 267 | ol_txrx_dbg("pool %p, ref_cnt %x", |
| 268 | pool, qdf_atomic_read(&pool->ref_cnt)); |
| 269 | } |
| 270 | |
| 271 | return QDF_STATUS_SUCCESS; |
| 272 | } |
| 273 | |
| 274 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 275 | * ol_tx_dump_flow_pool_info() - dump global_pool and flow_pool info |
| 276 | * |
| 277 | * Return: none |
| 278 | */ |
Manjunathappa Prakash | 6c54736 | 2017-03-30 20:11:47 -0700 | [diff] [blame^] | 279 | void ol_tx_dump_flow_pool_info(void *ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 280 | { |
Manjunathappa Prakash | 6c54736 | 2017-03-30 20:11:47 -0700 | [diff] [blame^] | 281 | struct ol_txrx_pdev_t *pdev = ctx; |
Himanshu Agarwal | 7d367c1 | 2017-03-30 17:16:55 +0530 | [diff] [blame] | 282 | struct ol_tx_flow_pool_t *pool = NULL, *pool_prev = NULL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 283 | struct ol_tx_flow_pool_t tmp_pool; |
| 284 | |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 285 | ol_txrx_info("Global Pool"); |
Himanshu Agarwal | f03f810 | 2016-09-08 18:54:47 +0530 | [diff] [blame] | 286 | if (!pdev) { |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 287 | ol_txrx_err("ERROR: pdev NULL"); |
Himanshu Agarwal | f03f810 | 2016-09-08 18:54:47 +0530 | [diff] [blame] | 288 | QDF_ASSERT(0); /* traceback */ |
| 289 | return; |
| 290 | } |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 291 | ol_txrx_info("Total %d :: Available %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 292 | pdev->tx_desc.pool_size, pdev->tx_desc.num_free); |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 293 | ol_txrx_info("Invalid flow_pool %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 294 | pdev->tx_desc.num_invalid_bin); |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 295 | ol_txrx_info("No of pool map received %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 296 | pdev->pool_stats.pool_map_count); |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 297 | ol_txrx_info("No of pool unmap received %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 298 | pdev->pool_stats.pool_unmap_count); |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 299 | ol_txrx_info( |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 300 | "Pkt dropped due to unavailablity of pool %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 301 | pdev->pool_stats.pkt_drop_no_pool); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 302 | |
| 303 | /* |
| 304 | * Nested spin lock. |
| 305 | * Always take in below order. |
| 306 | * flow_pool_list_lock -> flow_pool_lock |
| 307 | */ |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 308 | qdf_spin_lock_bh(&pdev->tx_desc.flow_pool_list_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 309 | TAILQ_FOREACH(pool, &pdev->tx_desc.flow_pool_list, |
| 310 | flow_pool_list_elem) { |
Himanshu Agarwal | 7d367c1 | 2017-03-30 17:16:55 +0530 | [diff] [blame] | 311 | ol_tx_inc_pool_ref(pool); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 312 | qdf_spin_lock_bh(&pool->flow_pool_lock); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 313 | qdf_mem_copy(&tmp_pool, pool, sizeof(tmp_pool)); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 314 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
| 315 | qdf_spin_unlock_bh(&pdev->tx_desc.flow_pool_list_lock); |
Himanshu Agarwal | 7d367c1 | 2017-03-30 17:16:55 +0530 | [diff] [blame] | 316 | |
| 317 | if (pool_prev) |
| 318 | ol_tx_dec_pool_ref(pool_prev, false); |
| 319 | |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 320 | ol_txrx_info("\n"); |
| 321 | ol_txrx_info( |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 322 | "Flow_pool_id %d :: status %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 323 | tmp_pool.flow_pool_id, tmp_pool.status); |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 324 | ol_txrx_info( |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 325 | "Total %d :: Available %d :: Deficient %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 326 | tmp_pool.flow_pool_size, tmp_pool.avail_desc, |
| 327 | tmp_pool.deficient_desc); |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 328 | ol_txrx_info( |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 329 | "Start threshold %d :: Stop threshold %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 330 | tmp_pool.start_th, tmp_pool.stop_th); |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 331 | ol_txrx_info( |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 332 | "Member flow_id %d :: flow_type %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 333 | tmp_pool.member_flow_id, tmp_pool.flow_type); |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 334 | ol_txrx_info( |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 335 | "Pkt dropped due to unavailablity of descriptors %d", |
| 336 | tmp_pool.pkt_drop_no_desc); |
Himanshu Agarwal | 7d367c1 | 2017-03-30 17:16:55 +0530 | [diff] [blame] | 337 | |
| 338 | pool_prev = pool; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 339 | qdf_spin_lock_bh(&pdev->tx_desc.flow_pool_list_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 340 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 341 | qdf_spin_unlock_bh(&pdev->tx_desc.flow_pool_list_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 342 | |
Himanshu Agarwal | 7d367c1 | 2017-03-30 17:16:55 +0530 | [diff] [blame] | 343 | /* decrement ref count for last pool in list */ |
| 344 | if (pool_prev) |
| 345 | ol_tx_dec_pool_ref(pool_prev, false); |
| 346 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 347 | } |
| 348 | |
| 349 | /** |
| 350 | * ol_tx_clear_flow_pool_stats() - clear flow pool statistics |
| 351 | * |
| 352 | * Return: none |
| 353 | */ |
| 354 | void ol_tx_clear_flow_pool_stats(void) |
| 355 | { |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 356 | struct ol_txrx_pdev_t *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 357 | |
| 358 | if (!pdev) { |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 359 | ol_txrx_err("%s: pdev is null\n", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 360 | __func__); |
| 361 | return; |
| 362 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 363 | qdf_mem_zero(&pdev->pool_stats, sizeof(pdev->pool_stats)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 364 | } |
| 365 | |
| 366 | /** |
| 367 | * ol_tx_move_desc_n() - Move n descriptors from src_pool to dst_pool. |
| 368 | * @src_pool: source pool |
| 369 | * @dst_pool: destination pool |
| 370 | * @desc_move_count: descriptor move count |
| 371 | * |
| 372 | * Return: actual descriptors moved |
| 373 | */ |
| 374 | static int ol_tx_move_desc_n(struct ol_tx_flow_pool_t *src_pool, |
| 375 | struct ol_tx_flow_pool_t *dst_pool, |
| 376 | int desc_move_count) |
| 377 | { |
| 378 | uint16_t count = 0, i; |
| 379 | struct ol_tx_desc_t *tx_desc; |
| 380 | union ol_tx_desc_list_elem_t *temp_list = NULL; |
| 381 | |
| 382 | /* Take descriptors from source pool and put it in temp_list */ |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 383 | qdf_spin_lock_bh(&src_pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 384 | for (i = 0; i < desc_move_count; i++) { |
Nirav Shah | 9d7f2e8 | 2015-09-28 11:09:09 -0700 | [diff] [blame] | 385 | tx_desc = ol_tx_get_desc_flow_pool(src_pool); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 386 | ((union ol_tx_desc_list_elem_t *)tx_desc)->next = temp_list; |
| 387 | temp_list = (union ol_tx_desc_list_elem_t *)tx_desc; |
| 388 | |
| 389 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 390 | qdf_spin_unlock_bh(&src_pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 391 | |
| 392 | /* Take descriptors from temp_list and put it in destination pool */ |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 393 | qdf_spin_lock_bh(&dst_pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 394 | for (i = 0; i < desc_move_count; i++) { |
| 395 | if (dst_pool->deficient_desc) |
| 396 | dst_pool->deficient_desc--; |
| 397 | else |
| 398 | break; |
| 399 | tx_desc = &temp_list->tx_desc; |
| 400 | temp_list = temp_list->next; |
Nirav Shah | 9d7f2e8 | 2015-09-28 11:09:09 -0700 | [diff] [blame] | 401 | ol_tx_put_desc_flow_pool(dst_pool, tx_desc); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 402 | count++; |
| 403 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 404 | qdf_spin_unlock_bh(&dst_pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 405 | |
| 406 | /* If anything is there in temp_list put it back to source pool */ |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 407 | qdf_spin_lock_bh(&src_pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 408 | while (temp_list) { |
| 409 | tx_desc = &temp_list->tx_desc; |
| 410 | temp_list = temp_list->next; |
Nirav Shah | 9d7f2e8 | 2015-09-28 11:09:09 -0700 | [diff] [blame] | 411 | ol_tx_put_desc_flow_pool(src_pool, tx_desc); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 412 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 413 | qdf_spin_unlock_bh(&src_pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 414 | |
| 415 | return count; |
| 416 | } |
| 417 | |
| 418 | |
| 419 | /** |
| 420 | * ol_tx_distribute_descs_to_deficient_pools() - Distribute descriptors |
| 421 | * @src_pool: source pool |
| 422 | * |
| 423 | * Distribute all descriptors of source pool to all |
| 424 | * deficient pools as per flow_pool_list. |
| 425 | * |
| 426 | * Return: 0 for sucess |
| 427 | */ |
Jeff Johnson | f89f58f | 2016-10-14 09:58:29 -0700 | [diff] [blame] | 428 | static int |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 429 | ol_tx_distribute_descs_to_deficient_pools(struct ol_tx_flow_pool_t *src_pool) |
| 430 | { |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 431 | struct ol_txrx_pdev_t *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 432 | struct ol_tx_flow_pool_t *dst_pool = NULL; |
| 433 | uint16_t desc_count = src_pool->avail_desc; |
| 434 | uint16_t desc_move_count = 0; |
| 435 | |
| 436 | if (!pdev) { |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 437 | ol_txrx_err( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 438 | "%s: pdev is NULL\n", __func__); |
| 439 | return -EINVAL; |
| 440 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 441 | qdf_spin_lock_bh(&pdev->tx_desc.flow_pool_list_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 442 | TAILQ_FOREACH(dst_pool, &pdev->tx_desc.flow_pool_list, |
| 443 | flow_pool_list_elem) { |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 444 | qdf_spin_lock_bh(&dst_pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 445 | if (dst_pool->deficient_desc) { |
| 446 | desc_move_count = |
| 447 | (dst_pool->deficient_desc > desc_count) ? |
| 448 | desc_count : dst_pool->deficient_desc; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 449 | qdf_spin_unlock_bh(&dst_pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 450 | desc_move_count = ol_tx_move_desc_n(src_pool, |
| 451 | dst_pool, desc_move_count); |
| 452 | desc_count -= desc_move_count; |
Himanshu Agarwal | d6f3c5a | 2017-03-30 13:54:17 +0530 | [diff] [blame] | 453 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 454 | qdf_spin_lock_bh(&dst_pool->flow_pool_lock); |
Himanshu Agarwal | d6f3c5a | 2017-03-30 13:54:17 +0530 | [diff] [blame] | 455 | if (dst_pool->status == FLOW_POOL_ACTIVE_PAUSED) { |
| 456 | if (dst_pool->avail_desc > dst_pool->start_th) { |
| 457 | pdev->pause_cb(dst_pool->member_flow_id, |
| 458 | WLAN_WAKE_ALL_NETIF_QUEUE, |
| 459 | WLAN_DATA_FLOW_CONTROL); |
| 460 | dst_pool->status = |
| 461 | FLOW_POOL_ACTIVE_UNPAUSED; |
| 462 | } |
| 463 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 464 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 465 | qdf_spin_unlock_bh(&dst_pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 466 | if (desc_count == 0) |
| 467 | break; |
| 468 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 469 | qdf_spin_unlock_bh(&pdev->tx_desc.flow_pool_list_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 470 | |
| 471 | return 0; |
| 472 | } |
| 473 | |
| 474 | |
| 475 | /** |
| 476 | * ol_tx_create_flow_pool() - create flow pool |
| 477 | * @flow_pool_id: flow pool id |
| 478 | * @flow_pool_size: flow pool size |
| 479 | * |
| 480 | * Return: flow_pool pointer / NULL for error |
| 481 | */ |
| 482 | struct ol_tx_flow_pool_t *ol_tx_create_flow_pool(uint8_t flow_pool_id, |
| 483 | uint16_t flow_pool_size) |
| 484 | { |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 485 | struct ol_txrx_pdev_t *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 486 | struct ol_tx_flow_pool_t *pool; |
| 487 | uint16_t size = 0, i; |
| 488 | struct ol_tx_desc_t *tx_desc; |
| 489 | union ol_tx_desc_list_elem_t *temp_list = NULL; |
Poddar, Siddarth | 21e7bf0 | 2016-07-04 14:06:38 +0530 | [diff] [blame] | 490 | uint32_t stop_threshold; |
| 491 | uint32_t start_threshold; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 492 | |
| 493 | if (!pdev) { |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 494 | ol_txrx_err( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 495 | "%s: pdev is NULL\n", __func__); |
| 496 | return NULL; |
| 497 | } |
Poddar, Siddarth | 21e7bf0 | 2016-07-04 14:06:38 +0530 | [diff] [blame] | 498 | stop_threshold = ol_cfg_get_tx_flow_stop_queue_th(pdev->ctrl_pdev); |
| 499 | start_threshold = stop_threshold + |
| 500 | ol_cfg_get_tx_flow_start_queue_offset(pdev->ctrl_pdev); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 501 | pool = qdf_mem_malloc(sizeof(*pool)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 502 | if (!pool) { |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 503 | ol_txrx_err( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 504 | "%s: malloc failed\n", __func__); |
| 505 | return NULL; |
| 506 | } |
| 507 | |
| 508 | pool->flow_pool_id = flow_pool_id; |
| 509 | pool->flow_pool_size = flow_pool_size; |
| 510 | pool->status = FLOW_POOL_ACTIVE_UNPAUSED; |
| 511 | pool->start_th = (start_threshold * flow_pool_size)/100; |
| 512 | pool->stop_th = (stop_threshold * flow_pool_size)/100; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 513 | qdf_spinlock_create(&pool->flow_pool_lock); |
Himanshu Agarwal | 7d367c1 | 2017-03-30 17:16:55 +0530 | [diff] [blame] | 514 | qdf_atomic_init(&pool->ref_cnt); |
| 515 | ol_tx_inc_pool_ref(pool); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 516 | |
| 517 | /* Take TX descriptor from global_pool and put it in temp_list*/ |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 518 | qdf_spin_lock_bh(&pdev->tx_mutex); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 519 | if (pdev->tx_desc.num_free >= pool->flow_pool_size) |
| 520 | size = pool->flow_pool_size; |
| 521 | else |
| 522 | size = pdev->tx_desc.num_free; |
| 523 | |
| 524 | for (i = 0; i < size; i++) { |
Nirav Shah | 9d7f2e8 | 2015-09-28 11:09:09 -0700 | [diff] [blame] | 525 | tx_desc = ol_tx_get_desc_global_pool(pdev); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 526 | tx_desc->pool = pool; |
| 527 | ((union ol_tx_desc_list_elem_t *)tx_desc)->next = temp_list; |
| 528 | temp_list = (union ol_tx_desc_list_elem_t *)tx_desc; |
| 529 | |
| 530 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 531 | qdf_spin_unlock_bh(&pdev->tx_mutex); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 532 | |
| 533 | /* put temp_list to flow_pool */ |
| 534 | pool->freelist = temp_list; |
| 535 | pool->avail_desc = size; |
| 536 | pool->deficient_desc = pool->flow_pool_size - pool->avail_desc; |
| 537 | |
| 538 | /* Add flow_pool to flow_pool_list */ |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 539 | qdf_spin_lock_bh(&pdev->tx_desc.flow_pool_list_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 540 | TAILQ_INSERT_TAIL(&pdev->tx_desc.flow_pool_list, pool, |
| 541 | flow_pool_list_elem); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 542 | qdf_spin_unlock_bh(&pdev->tx_desc.flow_pool_list_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 543 | |
| 544 | return pool; |
| 545 | } |
| 546 | |
| 547 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 548 | * ol_tx_free_invalid_flow_pool() - free invalid pool |
| 549 | * @pool: pool |
| 550 | * |
| 551 | * Return: 0 for success or failure |
| 552 | */ |
| 553 | int ol_tx_free_invalid_flow_pool(struct ol_tx_flow_pool_t *pool) |
| 554 | { |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 555 | struct ol_txrx_pdev_t *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 556 | |
| 557 | if ((!pdev) || (!pool) || (pool->status != FLOW_POOL_INVALID)) { |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 558 | ol_txrx_err( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 559 | "%s: Invalid pool/pdev\n", __func__); |
| 560 | return -EINVAL; |
| 561 | } |
| 562 | |
| 563 | /* direclty distribute to other deficient pools */ |
| 564 | ol_tx_distribute_descs_to_deficient_pools(pool); |
| 565 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 566 | qdf_spin_lock_bh(&pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 567 | pool->flow_pool_size = pool->avail_desc; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 568 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 569 | |
| 570 | pdev->tx_desc.num_invalid_bin--; |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 571 | ol_txrx_info( |
Nirav Shah | 2ae038d | 2015-12-23 20:36:11 +0530 | [diff] [blame] | 572 | "%s: invalid pool deleted %d\n", |
| 573 | __func__, pdev->tx_desc.num_invalid_bin); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 574 | |
Himanshu Agarwal | 7d367c1 | 2017-03-30 17:16:55 +0530 | [diff] [blame] | 575 | return ol_tx_dec_pool_ref(pool, false); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 576 | } |
| 577 | |
| 578 | /** |
| 579 | * ol_tx_get_flow_pool() - get flow_pool from flow_pool_id |
| 580 | * @flow_pool_id: flow pool id |
| 581 | * |
| 582 | * Return: flow_pool ptr / NULL if not found |
| 583 | */ |
Jeff Johnson | f89f58f | 2016-10-14 09:58:29 -0700 | [diff] [blame] | 584 | static struct ol_tx_flow_pool_t *ol_tx_get_flow_pool(uint8_t flow_pool_id) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 585 | { |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 586 | struct ol_txrx_pdev_t *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 587 | struct ol_tx_flow_pool_t *pool = NULL; |
| 588 | bool is_found = false; |
| 589 | |
Himanshu Agarwal | f03f810 | 2016-09-08 18:54:47 +0530 | [diff] [blame] | 590 | if (!pdev) { |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 591 | ol_txrx_err("ERROR: pdev NULL"); |
Himanshu Agarwal | f03f810 | 2016-09-08 18:54:47 +0530 | [diff] [blame] | 592 | QDF_ASSERT(0); /* traceback */ |
| 593 | return NULL; |
| 594 | } |
| 595 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 596 | qdf_spin_lock_bh(&pdev->tx_desc.flow_pool_list_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 597 | TAILQ_FOREACH(pool, &pdev->tx_desc.flow_pool_list, |
| 598 | flow_pool_list_elem) { |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 599 | qdf_spin_lock_bh(&pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 600 | if (pool->flow_pool_id == flow_pool_id) { |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 601 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 602 | is_found = true; |
| 603 | break; |
| 604 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 605 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 606 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 607 | qdf_spin_unlock_bh(&pdev->tx_desc.flow_pool_list_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 608 | |
| 609 | if (is_found == false) |
| 610 | pool = NULL; |
| 611 | |
| 612 | return pool; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 613 | } |
| 614 | |
| 615 | |
| 616 | /** |
| 617 | * ol_tx_flow_pool_vdev_map() - Map flow_pool with vdev |
| 618 | * @pool: flow_pool |
| 619 | * @vdev_id: flow_id /vdev_id |
| 620 | * |
| 621 | * Return: none |
| 622 | */ |
Jeff Johnson | f89f58f | 2016-10-14 09:58:29 -0700 | [diff] [blame] | 623 | static void ol_tx_flow_pool_vdev_map(struct ol_tx_flow_pool_t *pool, |
| 624 | uint8_t vdev_id) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 625 | { |
Venkata Sharath Chandra Manchala | 0d44d45 | 2016-11-23 17:48:15 -0800 | [diff] [blame] | 626 | struct ol_txrx_vdev_t *vdev; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 627 | |
Venkata Sharath Chandra Manchala | 0d44d45 | 2016-11-23 17:48:15 -0800 | [diff] [blame] | 628 | vdev = (struct ol_txrx_vdev_t *)ol_txrx_get_vdev_from_vdev_id(vdev_id); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 629 | if (!vdev) { |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 630 | ol_txrx_err( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 631 | "%s: invalid vdev_id %d\n", |
| 632 | __func__, vdev_id); |
| 633 | return; |
| 634 | } |
| 635 | |
| 636 | vdev->pool = pool; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 637 | qdf_spin_lock_bh(&pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 638 | pool->member_flow_id = vdev_id; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 639 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 640 | } |
| 641 | |
| 642 | /** |
| 643 | * ol_tx_flow_pool_vdev_unmap() - Unmap flow_pool from vdev |
| 644 | * @pool: flow_pool |
| 645 | * @vdev_id: flow_id /vdev_id |
| 646 | * |
| 647 | * Return: none |
| 648 | */ |
Jeff Johnson | f89f58f | 2016-10-14 09:58:29 -0700 | [diff] [blame] | 649 | static void ol_tx_flow_pool_vdev_unmap(struct ol_tx_flow_pool_t *pool, |
| 650 | uint8_t vdev_id) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 651 | { |
Venkata Sharath Chandra Manchala | 0d44d45 | 2016-11-23 17:48:15 -0800 | [diff] [blame] | 652 | struct ol_txrx_vdev_t *vdev; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 653 | |
Venkata Sharath Chandra Manchala | 0d44d45 | 2016-11-23 17:48:15 -0800 | [diff] [blame] | 654 | vdev = (struct ol_txrx_vdev_t *)ol_txrx_get_vdev_from_vdev_id(vdev_id); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 655 | if (!vdev) { |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 656 | ol_txrx_err( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 657 | "%s: invalid vdev_id %d\n", |
| 658 | __func__, vdev_id); |
| 659 | return; |
| 660 | } |
| 661 | |
| 662 | vdev->pool = NULL; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 663 | qdf_spin_lock_bh(&pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 664 | pool->member_flow_id = INVALID_FLOW_ID; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 665 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 666 | } |
| 667 | |
| 668 | /** |
| 669 | * ol_tx_flow_pool_map_handler() - Map flow_id with pool of descriptors |
| 670 | * @flow_id: flow id |
| 671 | * @flow_type: flow type |
| 672 | * @flow_pool_id: pool id |
| 673 | * @flow_pool_size: pool size |
| 674 | * |
| 675 | * Process below target to host message |
| 676 | * HTT_T2H_MSG_TYPE_FLOW_POOL_MAP |
| 677 | * |
| 678 | * Return: none |
| 679 | */ |
| 680 | void ol_tx_flow_pool_map_handler(uint8_t flow_id, uint8_t flow_type, |
| 681 | uint8_t flow_pool_id, uint16_t flow_pool_size) |
| 682 | { |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 683 | struct ol_txrx_pdev_t *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 684 | struct ol_tx_flow_pool_t *pool; |
| 685 | uint8_t pool_create = 0; |
| 686 | enum htt_flow_type type = flow_type; |
| 687 | |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 688 | ol_txrx_dbg( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 689 | "%s: flow_id %d flow_type %d flow_pool_id %d flow_pool_size %d\n", |
| 690 | __func__, flow_id, flow_type, flow_pool_id, flow_pool_size); |
| 691 | |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 692 | if (qdf_unlikely(!pdev)) { |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 693 | ol_txrx_err( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 694 | "%s: pdev is NULL", __func__); |
| 695 | return; |
| 696 | } |
| 697 | pdev->pool_stats.pool_map_count++; |
| 698 | |
| 699 | pool = ol_tx_get_flow_pool(flow_pool_id); |
| 700 | if (!pool) { |
| 701 | pool = ol_tx_create_flow_pool(flow_pool_id, flow_pool_size); |
| 702 | if (pool == NULL) { |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 703 | ol_txrx_err( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 704 | "%s: creation of flow_pool %d size %d failed\n", |
| 705 | __func__, flow_pool_id, flow_pool_size); |
| 706 | return; |
| 707 | } |
| 708 | pool_create = 1; |
| 709 | } |
| 710 | |
| 711 | switch (type) { |
| 712 | |
| 713 | case FLOW_TYPE_VDEV: |
| 714 | ol_tx_flow_pool_vdev_map(pool, flow_id); |
Himanshu Agarwal | d6f3c5a | 2017-03-30 13:54:17 +0530 | [diff] [blame] | 715 | pdev->pause_cb(flow_id, |
| 716 | WLAN_WAKE_ALL_NETIF_QUEUE, |
| 717 | WLAN_DATA_FLOW_CONTROL); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 718 | break; |
| 719 | default: |
| 720 | if (pool_create) |
Himanshu Agarwal | 7d367c1 | 2017-03-30 17:16:55 +0530 | [diff] [blame] | 721 | ol_tx_dec_pool_ref(pool, false); |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 722 | ol_txrx_err( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 723 | "%s: flow type %d not supported !!!\n", |
| 724 | __func__, type); |
| 725 | break; |
| 726 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 727 | } |
| 728 | |
| 729 | /** |
| 730 | * ol_tx_flow_pool_unmap_handler() - Unmap flow_id from pool of descriptors |
| 731 | * @flow_id: flow id |
| 732 | * @flow_type: flow type |
| 733 | * @flow_pool_id: pool id |
| 734 | * |
| 735 | * Process below target to host message |
| 736 | * HTT_T2H_MSG_TYPE_FLOW_POOL_UNMAP |
| 737 | * |
| 738 | * Return: none |
| 739 | */ |
| 740 | void ol_tx_flow_pool_unmap_handler(uint8_t flow_id, uint8_t flow_type, |
| 741 | uint8_t flow_pool_id) |
| 742 | { |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 743 | struct ol_txrx_pdev_t *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 744 | struct ol_tx_flow_pool_t *pool; |
| 745 | enum htt_flow_type type = flow_type; |
| 746 | |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 747 | ol_txrx_dbg( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 748 | "%s: flow_id %d flow_type %d flow_pool_id %d\n", |
| 749 | __func__, flow_id, flow_type, flow_pool_id); |
| 750 | |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 751 | if (qdf_unlikely(!pdev)) { |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 752 | ol_txrx_err( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 753 | "%s: pdev is NULL", __func__); |
| 754 | return; |
| 755 | } |
| 756 | pdev->pool_stats.pool_unmap_count++; |
| 757 | |
| 758 | pool = ol_tx_get_flow_pool(flow_pool_id); |
| 759 | if (!pool) { |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 760 | ol_txrx_info( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 761 | "%s: flow_pool not available flow_pool_id %d\n", |
| 762 | __func__, type); |
| 763 | return; |
| 764 | } |
| 765 | |
| 766 | switch (type) { |
| 767 | |
| 768 | case FLOW_TYPE_VDEV: |
| 769 | ol_tx_flow_pool_vdev_unmap(pool, flow_id); |
| 770 | break; |
| 771 | default: |
Poddar, Siddarth | 1452179 | 2017-03-14 21:19:42 +0530 | [diff] [blame] | 772 | ol_txrx_info( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 773 | "%s: flow type %d not supported !!!\n", |
| 774 | __func__, type); |
| 775 | return; |
| 776 | } |
| 777 | |
Himanshu Agarwal | 7d367c1 | 2017-03-30 17:16:55 +0530 | [diff] [blame] | 778 | /* |
| 779 | * only delete if all descriptors are available |
| 780 | * and pool ref count becomes 0 |
| 781 | */ |
| 782 | ol_tx_dec_pool_ref(pool, false); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 783 | } |
| 784 | |
| 785 | |