Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 1 | /* |
Jeff Johnson | a8edf33 | 2019-03-18 09:51:52 -0700 | [diff] [blame] | 2 | * Copyright (c) 2015-2019 The Linux Foundation. All rights reserved. |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 3 | * |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 4 | * Permission to use, copy, modify, and/or distribute this software for |
| 5 | * any purpose with or without fee is hereby granted, provided that the |
| 6 | * above copyright notice and this permission notice appear in all |
| 7 | * copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 10 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 11 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 12 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 13 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 14 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 15 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 16 | * PERFORMANCE OF THIS SOFTWARE. |
| 17 | */ |
| 18 | |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 19 | #include <cds_api.h> |
| 20 | |
| 21 | /* OS abstraction libraries */ |
| 22 | #include <qdf_nbuf.h> /* qdf_nbuf_t, etc. */ |
| 23 | #include <qdf_atomic.h> /* qdf_atomic_read, etc. */ |
| 24 | #include <qdf_util.h> /* qdf_unlikely */ |
| 25 | #include "dp_types.h" |
| 26 | #include "dp_tx_desc.h" |
| 27 | |
| 28 | #include <cdp_txrx_handle.h> |
| 29 | #include "dp_internal.h" |
| 30 | #define INVALID_FLOW_ID 0xFF |
| 31 | #define MAX_INVALID_BIN 3 |
| 32 | |
chenguo | f44ac20 | 2018-08-28 18:58:52 +0800 | [diff] [blame] | 33 | #ifdef QCA_AC_BASED_FLOW_CONTROL |
| 34 | /** |
| 35 | * dp_tx_initialize_threshold() - Threshold of flow Pool initialization |
| 36 | * @pool: flow_pool |
| 37 | * @stop_threshold: stop threshold of certian AC |
| 38 | * @start_threshold: start threshold of certian AC |
| 39 | * @flow_pool_size: flow pool size |
| 40 | * |
| 41 | * Return: none |
| 42 | */ |
| 43 | static inline void |
| 44 | dp_tx_initialize_threshold(struct dp_tx_desc_pool_s *pool, |
| 45 | uint32_t start_threshold, |
| 46 | uint32_t stop_threshold, |
| 47 | uint16_t flow_pool_size) |
| 48 | { |
| 49 | /* BE_BK threshold is same as previous threahold */ |
| 50 | pool->start_th[DP_TH_BE_BK] = (start_threshold |
| 51 | * flow_pool_size) / 100; |
| 52 | pool->stop_th[DP_TH_BE_BK] = (stop_threshold |
| 53 | * flow_pool_size) / 100; |
| 54 | |
| 55 | /* Update VI threshold based on BE_BK threashold */ |
| 56 | pool->start_th[DP_TH_VI] = (pool->start_th[DP_TH_BE_BK] |
| 57 | * FL_TH_VI_PERCENTAGE) / 100; |
| 58 | pool->stop_th[DP_TH_VI] = (pool->stop_th[DP_TH_BE_BK] |
| 59 | * FL_TH_VI_PERCENTAGE) / 100; |
| 60 | |
| 61 | /* Update VO threshold based on BE_BK threashold */ |
| 62 | pool->start_th[DP_TH_VO] = (pool->start_th[DP_TH_BE_BK] |
| 63 | * FL_TH_VO_PERCENTAGE) / 100; |
| 64 | pool->stop_th[DP_TH_VO] = (pool->stop_th[DP_TH_BE_BK] |
| 65 | * FL_TH_VO_PERCENTAGE) / 100; |
| 66 | |
| 67 | /* Update High Priority threshold based on BE_BK threashold */ |
| 68 | pool->start_th[DP_TH_HI] = (pool->start_th[DP_TH_BE_BK] |
| 69 | * FL_TH_HI_PERCENTAGE) / 100; |
| 70 | pool->stop_th[DP_TH_HI] = (pool->stop_th[DP_TH_BE_BK] |
| 71 | * FL_TH_HI_PERCENTAGE) / 100; |
| 72 | |
| 73 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 74 | "%s: tx flow control threshold is set, pool size is %d", |
| 75 | __func__, flow_pool_size); |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * dp_tx_flow_pool_reattach() - Reattach flow_pool |
| 80 | * @pool: flow_pool |
| 81 | * |
| 82 | * Return: none |
| 83 | */ |
| 84 | static inline void |
| 85 | dp_tx_flow_pool_reattach(struct dp_tx_desc_pool_s *pool) |
| 86 | { |
| 87 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 88 | "%s: flow pool already allocated, attached %d times", |
| 89 | __func__, pool->pool_create_cnt); |
| 90 | |
| 91 | if (pool->avail_desc > pool->start_th[DP_TH_BE_BK]) |
| 92 | pool->status = FLOW_POOL_ACTIVE_UNPAUSED; |
| 93 | if (pool->avail_desc <= pool->start_th[DP_TH_BE_BK] && |
| 94 | pool->avail_desc > pool->start_th[DP_TH_VI]) |
| 95 | pool->status = FLOW_POOL_BE_BK_PAUSED; |
| 96 | else if (pool->avail_desc <= pool->start_th[DP_TH_VI] && |
| 97 | pool->avail_desc > pool->start_th[DP_TH_VO]) |
| 98 | pool->status = FLOW_POOL_VI_PAUSED; |
| 99 | else if (pool->avail_desc <= pool->start_th[DP_TH_VO] && |
| 100 | pool->avail_desc > pool->start_th[DP_TH_HI]) |
| 101 | pool->status = FLOW_POOL_VO_PAUSED; |
| 102 | else |
| 103 | pool->status = FLOW_POOL_ACTIVE_PAUSED; |
| 104 | |
| 105 | pool->pool_create_cnt++; |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * dp_tx_flow_pool_dump_threshold() - Dump threshold of the flow_pool |
| 110 | * @pool: flow_pool |
| 111 | * |
| 112 | * Return: none |
| 113 | */ |
| 114 | static inline void |
| 115 | dp_tx_flow_pool_dump_threshold(struct dp_tx_desc_pool_s *pool) |
| 116 | { |
| 117 | int i; |
| 118 | |
| 119 | for (i = 0; i < FL_TH_MAX; i++) { |
| 120 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 121 | "Level %d :: Start threshold %d :: Stop threshold %d", |
| 122 | i, pool->start_th[i], pool->stop_th[i]); |
| 123 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 124 | "Level %d :: Maximun pause time %lu ms", |
| 125 | i, pool->max_pause_time[i]); |
| 126 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 127 | "Level %d :: Latest pause timestamp %lu", |
| 128 | i, pool->latest_pause_time[i]); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | #else |
| 133 | static inline void |
| 134 | dp_tx_initialize_threshold(struct dp_tx_desc_pool_s *pool, |
| 135 | uint32_t start_threshold, |
| 136 | uint32_t stop_threshold, |
| 137 | uint16_t flow_pool_size) |
| 138 | |
| 139 | { |
| 140 | /* INI is in percentage so divide by 100 */ |
| 141 | pool->start_th = (start_threshold * flow_pool_size) / 100; |
| 142 | pool->stop_th = (stop_threshold * flow_pool_size) / 100; |
| 143 | } |
| 144 | |
| 145 | static inline void |
| 146 | dp_tx_flow_pool_reattach(struct dp_tx_desc_pool_s *pool) |
| 147 | { |
| 148 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 149 | "%s: flow pool already allocated, attached %d times", |
| 150 | __func__, pool->pool_create_cnt); |
| 151 | if (pool->avail_desc > pool->start_th) |
| 152 | pool->status = FLOW_POOL_ACTIVE_UNPAUSED; |
| 153 | else |
| 154 | pool->status = FLOW_POOL_ACTIVE_PAUSED; |
| 155 | |
| 156 | pool->pool_create_cnt++; |
| 157 | } |
| 158 | |
| 159 | static inline void |
| 160 | dp_tx_flow_pool_dump_threshold(struct dp_tx_desc_pool_s *pool) |
| 161 | { |
| 162 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 163 | "Start threshold %d :: Stop threshold %d", |
| 164 | pool->start_th, pool->stop_th); |
| 165 | } |
| 166 | |
| 167 | #endif |
| 168 | |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 169 | /** |
| 170 | * dp_tx_dump_flow_pool_info() - dump global_pool and flow_pool info |
| 171 | * |
| 172 | * @ctx: Handle to struct dp_soc. |
| 173 | * |
| 174 | * Return: none |
| 175 | */ |
Rakesh Pillai | dce0137 | 2019-06-28 19:11:23 +0530 | [diff] [blame] | 176 | void dp_tx_dump_flow_pool_info(struct cdp_soc_t *soc_hdl) |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 177 | { |
Rakesh Pillai | dce0137 | 2019-06-28 19:11:23 +0530 | [diff] [blame] | 178 | struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 179 | struct dp_txrx_pool_stats *pool_stats = &soc->pool_stats; |
| 180 | struct dp_tx_desc_pool_s *pool = NULL; |
| 181 | struct dp_tx_desc_pool_s tmp_pool; |
| 182 | int i; |
| 183 | |
| 184 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 185 | "No of pool map received %d", pool_stats->pool_map_count); |
| 186 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 187 | "No of pool unmap received %d", pool_stats->pool_unmap_count); |
| 188 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 189 | "Pkt dropped due to unavailablity of pool %d", |
| 190 | pool_stats->pkt_drop_no_pool); |
| 191 | |
| 192 | /* |
| 193 | * Nested spin lock. |
| 194 | * Always take in below order. |
| 195 | * flow_pool_array_lock -> flow_pool_lock |
| 196 | */ |
| 197 | qdf_spin_lock_bh(&soc->flow_pool_array_lock); |
| 198 | for (i = 0; i < MAX_TXDESC_POOLS; i++) { |
| 199 | pool = &soc->tx_desc[i]; |
| 200 | if (pool->status > FLOW_POOL_INVALID) |
| 201 | continue; |
| 202 | qdf_spin_lock_bh(&pool->flow_pool_lock); |
| 203 | qdf_mem_copy(&tmp_pool, pool, sizeof(tmp_pool)); |
| 204 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
| 205 | qdf_spin_unlock_bh(&soc->flow_pool_array_lock); |
| 206 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, "\n"); |
| 207 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 208 | "Flow_pool_id %d :: status %d", |
| 209 | tmp_pool.flow_pool_id, tmp_pool.status); |
| 210 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 211 | "Total %d :: Available %d", |
| 212 | tmp_pool.pool_size, tmp_pool.avail_desc); |
chenguo | f44ac20 | 2018-08-28 18:58:52 +0800 | [diff] [blame] | 213 | dp_tx_flow_pool_dump_threshold(&tmp_pool); |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 214 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 215 | "Member flow_id %d :: flow_type %d", |
| 216 | tmp_pool.flow_pool_id, tmp_pool.flow_type); |
| 217 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 218 | "Pkt dropped due to unavailablity of descriptors %d", |
| 219 | tmp_pool.pkt_drop_no_desc); |
| 220 | qdf_spin_lock_bh(&soc->flow_pool_array_lock); |
| 221 | } |
| 222 | qdf_spin_unlock_bh(&soc->flow_pool_array_lock); |
| 223 | } |
| 224 | |
| 225 | /** |
| 226 | * dp_tx_clear_flow_pool_stats() - clear flow pool statistics |
| 227 | * |
| 228 | * @soc: Handle to struct dp_soc. |
| 229 | * |
| 230 | * Return: None |
| 231 | */ |
| 232 | void dp_tx_clear_flow_pool_stats(struct dp_soc *soc) |
| 233 | { |
| 234 | |
| 235 | if (!soc) { |
| 236 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 237 | "%s: soc is null", __func__); |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 238 | return; |
| 239 | } |
| 240 | qdf_mem_zero(&soc->pool_stats, sizeof(soc->pool_stats)); |
| 241 | } |
| 242 | |
| 243 | /** |
| 244 | * dp_tx_create_flow_pool() - create flow pool |
| 245 | * @soc: Handle to struct dp_soc |
| 246 | * @flow_pool_id: flow pool id |
| 247 | * @flow_pool_size: flow pool size |
| 248 | * |
| 249 | * Return: flow_pool pointer / NULL for error |
| 250 | */ |
| 251 | struct dp_tx_desc_pool_s *dp_tx_create_flow_pool(struct dp_soc *soc, |
| 252 | uint8_t flow_pool_id, uint16_t flow_pool_size) |
| 253 | { |
| 254 | struct dp_tx_desc_pool_s *pool; |
| 255 | uint32_t stop_threshold; |
| 256 | uint32_t start_threshold; |
| 257 | |
Manjunathappa Prakash | e6aba4f | 2018-05-08 19:55:25 -0700 | [diff] [blame] | 258 | if (flow_pool_id >= MAX_TXDESC_POOLS) { |
Varun Reddy Yeturu | 83a31a3 | 2019-06-06 15:37:21 -0700 | [diff] [blame] | 259 | dp_err("invalid flow_pool_id %d", flow_pool_id); |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 260 | return NULL; |
| 261 | } |
| 262 | pool = &soc->tx_desc[flow_pool_id]; |
| 263 | qdf_spin_lock_bh(&pool->flow_pool_lock); |
Manjunathappa Prakash | e6aba4f | 2018-05-08 19:55:25 -0700 | [diff] [blame] | 264 | if ((pool->status != FLOW_POOL_INACTIVE) || pool->pool_create_cnt) { |
chenguo | f44ac20 | 2018-08-28 18:58:52 +0800 | [diff] [blame] | 265 | dp_tx_flow_pool_reattach(pool); |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 266 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
Varun Reddy Yeturu | 83a31a3 | 2019-06-06 15:37:21 -0700 | [diff] [blame] | 267 | dp_err("cannot alloc desc, status=%d, create_cnt=%d", |
| 268 | pool->status, pool->pool_create_cnt); |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 269 | return pool; |
| 270 | } |
| 271 | |
Paul Zhang | 6669809 | 2017-10-17 13:51:09 +0800 | [diff] [blame] | 272 | if (dp_tx_desc_pool_alloc(soc, flow_pool_id, flow_pool_size)) { |
| 273 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 274 | return NULL; |
Paul Zhang | 6669809 | 2017-10-17 13:51:09 +0800 | [diff] [blame] | 275 | } |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 276 | |
| 277 | stop_threshold = wlan_cfg_get_tx_flow_stop_queue_th(soc->wlan_cfg_ctx); |
| 278 | start_threshold = stop_threshold + |
| 279 | wlan_cfg_get_tx_flow_start_queue_offset(soc->wlan_cfg_ctx); |
| 280 | |
| 281 | pool->flow_pool_id = flow_pool_id; |
| 282 | pool->pool_size = flow_pool_size; |
| 283 | pool->avail_desc = flow_pool_size; |
| 284 | pool->status = FLOW_POOL_ACTIVE_UNPAUSED; |
chenguo | f44ac20 | 2018-08-28 18:58:52 +0800 | [diff] [blame] | 285 | dp_tx_initialize_threshold(pool, start_threshold, stop_threshold, |
| 286 | flow_pool_size); |
Manjunathappa Prakash | e6aba4f | 2018-05-08 19:55:25 -0700 | [diff] [blame] | 287 | pool->pool_create_cnt++; |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 288 | |
| 289 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
| 290 | |
| 291 | return pool; |
| 292 | } |
| 293 | |
| 294 | /** |
| 295 | * dp_tx_delete_flow_pool() - delete flow pool |
| 296 | * @soc: Handle to struct dp_soc |
| 297 | * @pool: flow pool pointer |
| 298 | * @force: free pool forcefully |
| 299 | * |
| 300 | * Delete flow_pool if all tx descriptors are available. |
| 301 | * Otherwise put it in FLOW_POOL_INVALID state. |
| 302 | * If force is set then pull all available descriptors to |
| 303 | * global pool. |
| 304 | * |
| 305 | * Return: 0 for success or error |
| 306 | */ |
| 307 | int dp_tx_delete_flow_pool(struct dp_soc *soc, struct dp_tx_desc_pool_s *pool, |
| 308 | bool force) |
| 309 | { |
| 310 | if (!soc || !pool) { |
Varun Reddy Yeturu | 83a31a3 | 2019-06-06 15:37:21 -0700 | [diff] [blame] | 311 | dp_err("pool or soc is NULL"); |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 312 | QDF_ASSERT(0); |
| 313 | return ENOMEM; |
| 314 | } |
| 315 | |
Varun Reddy Yeturu | 83a31a3 | 2019-06-06 15:37:21 -0700 | [diff] [blame] | 316 | dp_info("pool create_cnt=%d, avail_desc=%d, size=%d, status=%d", |
| 317 | pool->pool_create_cnt, pool->avail_desc, |
| 318 | pool->pool_size, pool->status); |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 319 | qdf_spin_lock_bh(&pool->flow_pool_lock); |
Manjunathappa Prakash | e6aba4f | 2018-05-08 19:55:25 -0700 | [diff] [blame] | 320 | if (!pool->pool_create_cnt) { |
Manjunathappa Prakash | e6aba4f | 2018-05-08 19:55:25 -0700 | [diff] [blame] | 321 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
Varun Reddy Yeturu | 83a31a3 | 2019-06-06 15:37:21 -0700 | [diff] [blame] | 322 | dp_err("flow pool either not created or alread deleted"); |
Manjunathappa Prakash | e6aba4f | 2018-05-08 19:55:25 -0700 | [diff] [blame] | 323 | return -ENOENT; |
| 324 | } |
| 325 | pool->pool_create_cnt--; |
| 326 | if (pool->pool_create_cnt) { |
Manjunathappa Prakash | e6aba4f | 2018-05-08 19:55:25 -0700 | [diff] [blame] | 327 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
Varun Reddy Yeturu | 83a31a3 | 2019-06-06 15:37:21 -0700 | [diff] [blame] | 328 | dp_err("pool is still attached, pending detach %d", |
| 329 | pool->pool_create_cnt); |
Manjunathappa Prakash | e6aba4f | 2018-05-08 19:55:25 -0700 | [diff] [blame] | 330 | return -EAGAIN; |
| 331 | } |
| 332 | |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 333 | if (pool->avail_desc < pool->pool_size) { |
| 334 | pool->status = FLOW_POOL_INVALID; |
| 335 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
Varun Reddy Yeturu | 83a31a3 | 2019-06-06 15:37:21 -0700 | [diff] [blame] | 336 | dp_err("avail desc less than pool size"); |
Manjunathappa Prakash | e6aba4f | 2018-05-08 19:55:25 -0700 | [diff] [blame] | 337 | return -EAGAIN; |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | /* We have all the descriptors for the pool, we can delete the pool */ |
| 341 | dp_tx_desc_pool_free(soc, pool->flow_pool_id); |
| 342 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
| 343 | return 0; |
| 344 | } |
| 345 | |
| 346 | /** |
| 347 | * dp_tx_flow_pool_vdev_map() - Map flow_pool with vdev |
| 348 | * @pdev: Handle to struct dp_pdev |
| 349 | * @pool: flow_pool |
| 350 | * @vdev_id: flow_id /vdev_id |
| 351 | * |
| 352 | * Return: none |
| 353 | */ |
| 354 | static void dp_tx_flow_pool_vdev_map(struct dp_pdev *pdev, |
| 355 | struct dp_tx_desc_pool_s *pool, uint8_t vdev_id) |
| 356 | { |
| 357 | struct dp_vdev *vdev; |
| 358 | struct dp_soc *soc = pdev->soc; |
| 359 | |
Rakesh Pillai | dce0137 | 2019-06-28 19:11:23 +0530 | [diff] [blame] | 360 | vdev = dp_get_vdev_from_soc_vdev_id_wifi3(soc, vdev_id); |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 361 | if (!vdev) { |
| 362 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 363 | "%s: invalid vdev_id %d", |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 364 | __func__, vdev_id); |
| 365 | return; |
| 366 | } |
| 367 | |
| 368 | vdev->pool = pool; |
| 369 | qdf_spin_lock_bh(&pool->flow_pool_lock); |
| 370 | pool->pool_owner_ctx = soc; |
| 371 | pool->flow_pool_id = vdev_id; |
| 372 | qdf_spin_unlock_bh(&pool->flow_pool_lock); |
| 373 | } |
| 374 | |
| 375 | /** |
| 376 | * dp_tx_flow_pool_vdev_unmap() - Unmap flow_pool from vdev |
| 377 | * @pdev: Handle to struct dp_pdev |
| 378 | * @pool: flow_pool |
| 379 | * @vdev_id: flow_id /vdev_id |
| 380 | * |
| 381 | * Return: none |
| 382 | */ |
| 383 | static void dp_tx_flow_pool_vdev_unmap(struct dp_pdev *pdev, |
| 384 | struct dp_tx_desc_pool_s *pool, uint8_t vdev_id) |
| 385 | { |
| 386 | struct dp_vdev *vdev; |
| 387 | struct dp_soc *soc = pdev->soc; |
| 388 | |
Rakesh Pillai | dce0137 | 2019-06-28 19:11:23 +0530 | [diff] [blame] | 389 | vdev = dp_get_vdev_from_soc_vdev_id_wifi3(soc, vdev_id); |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 390 | if (!vdev) { |
| 391 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 392 | "%s: invalid vdev_id %d", |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 393 | __func__, vdev_id); |
| 394 | return; |
| 395 | } |
| 396 | |
| 397 | vdev->pool = NULL; |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 398 | } |
| 399 | |
| 400 | /** |
| 401 | * dp_tx_flow_pool_map_handler() - Map flow_id with pool of descriptors |
| 402 | * @pdev: Handle to struct dp_pdev |
| 403 | * @flow_id: flow id |
| 404 | * @flow_type: flow type |
| 405 | * @flow_pool_id: pool id |
| 406 | * @flow_pool_size: pool size |
| 407 | * |
| 408 | * Process below target to host message |
| 409 | * HTT_T2H_MSG_TYPE_FLOW_POOL_MAP |
| 410 | * |
| 411 | * Return: none |
| 412 | */ |
| 413 | QDF_STATUS dp_tx_flow_pool_map_handler(struct dp_pdev *pdev, uint8_t flow_id, |
| 414 | uint8_t flow_type, uint8_t flow_pool_id, uint16_t flow_pool_size) |
| 415 | { |
| 416 | struct dp_soc *soc = pdev->soc; |
| 417 | struct dp_tx_desc_pool_s *pool; |
| 418 | enum htt_flow_type type = flow_type; |
| 419 | |
| 420 | |
Varun Reddy Yeturu | 83a31a3 | 2019-06-06 15:37:21 -0700 | [diff] [blame] | 421 | dp_info("flow_id %d flow_type %d flow_pool_id %d flow_pool_size %d", |
| 422 | flow_id, flow_type, flow_pool_id, flow_pool_size); |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 423 | |
| 424 | if (qdf_unlikely(!soc)) { |
Varun Reddy Yeturu | 83a31a3 | 2019-06-06 15:37:21 -0700 | [diff] [blame] | 425 | dp_err("soc is NULL"); |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 426 | return QDF_STATUS_E_FAULT; |
| 427 | } |
| 428 | soc->pool_stats.pool_map_count++; |
| 429 | |
| 430 | pool = dp_tx_create_flow_pool(soc, flow_pool_id, |
| 431 | flow_pool_size); |
Jeff Johnson | a8edf33 | 2019-03-18 09:51:52 -0700 | [diff] [blame] | 432 | if (!pool) { |
Varun Reddy Yeturu | 83a31a3 | 2019-06-06 15:37:21 -0700 | [diff] [blame] | 433 | dp_err("creation of flow_pool %d size %d failed", |
| 434 | flow_pool_id, flow_pool_size); |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 435 | return QDF_STATUS_E_RESOURCES; |
| 436 | } |
| 437 | |
| 438 | switch (type) { |
| 439 | |
| 440 | case FLOW_TYPE_VDEV: |
| 441 | dp_tx_flow_pool_vdev_map(pdev, pool, flow_id); |
| 442 | break; |
| 443 | default: |
Varun Reddy Yeturu | 83a31a3 | 2019-06-06 15:37:21 -0700 | [diff] [blame] | 444 | dp_err("flow type %d not supported", type); |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 445 | break; |
| 446 | } |
| 447 | |
| 448 | return QDF_STATUS_SUCCESS; |
| 449 | } |
| 450 | |
| 451 | /** |
| 452 | * dp_tx_flow_pool_unmap_handler() - Unmap flow_id from pool of descriptors |
| 453 | * @pdev: Handle to struct dp_pdev |
| 454 | * @flow_id: flow id |
| 455 | * @flow_type: flow type |
| 456 | * @flow_pool_id: pool id |
| 457 | * |
| 458 | * Process below target to host message |
| 459 | * HTT_T2H_MSG_TYPE_FLOW_POOL_UNMAP |
| 460 | * |
| 461 | * Return: none |
| 462 | */ |
| 463 | void dp_tx_flow_pool_unmap_handler(struct dp_pdev *pdev, uint8_t flow_id, |
| 464 | uint8_t flow_type, uint8_t flow_pool_id) |
| 465 | { |
| 466 | struct dp_soc *soc = pdev->soc; |
| 467 | struct dp_tx_desc_pool_s *pool; |
| 468 | enum htt_flow_type type = flow_type; |
| 469 | |
| 470 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 471 | "%s: flow_id %d flow_type %d flow_pool_id %d", |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 472 | __func__, flow_id, flow_type, flow_pool_id); |
| 473 | |
| 474 | if (qdf_unlikely(!pdev)) { |
| 475 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 476 | "%s: pdev is NULL", __func__); |
| 477 | return; |
| 478 | } |
| 479 | soc->pool_stats.pool_unmap_count++; |
| 480 | |
| 481 | pool = &soc->tx_desc[flow_pool_id]; |
| 482 | if (!pool) { |
| 483 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 484 | "%s: flow_pool not available flow_pool_id %d", |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 485 | __func__, type); |
| 486 | return; |
| 487 | } |
| 488 | |
| 489 | switch (type) { |
| 490 | |
| 491 | case FLOW_TYPE_VDEV: |
| 492 | dp_tx_flow_pool_vdev_unmap(pdev, pool, flow_id); |
| 493 | break; |
| 494 | default: |
| 495 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
Aditya Sathish | ded018e | 2018-07-02 16:25:21 +0530 | [diff] [blame] | 496 | "%s: flow type %d not supported !!!", |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 497 | __func__, type); |
| 498 | return; |
| 499 | } |
| 500 | |
| 501 | /* only delete if all descriptors are available */ |
| 502 | dp_tx_delete_flow_pool(soc, pool, false); |
| 503 | } |
| 504 | |
| 505 | /** |
| 506 | * dp_tx_flow_control_init() - Initialize tx flow control |
| 507 | * @tx_desc_pool: Handle to flow_pool |
| 508 | * |
| 509 | * Return: none |
| 510 | */ |
| 511 | void dp_tx_flow_control_init(struct dp_soc *soc) |
| 512 | { |
| 513 | qdf_spinlock_create(&soc->flow_pool_array_lock); |
| 514 | } |
| 515 | |
| 516 | /** |
Sravan Kumar Kairam | 2207558 | 2019-08-24 01:26:57 +0530 | [diff] [blame] | 517 | * dp_tx_desc_pool_dealloc() - De-allocate tx desc pool |
| 518 | * @tx_desc_pool: Handle to flow_pool |
| 519 | * |
| 520 | * Return: none |
| 521 | */ |
| 522 | static inline void dp_tx_desc_pool_dealloc(struct dp_soc *soc) |
| 523 | { |
| 524 | struct dp_tx_desc_pool_s *tx_desc_pool; |
| 525 | int i; |
| 526 | |
| 527 | for (i = 0; i < MAX_TXDESC_POOLS; i++) { |
| 528 | tx_desc_pool = &((soc)->tx_desc[i]); |
| 529 | if (!tx_desc_pool->desc_pages.num_pages) |
| 530 | continue; |
| 531 | |
| 532 | if (dp_tx_desc_pool_free(soc, i) != QDF_STATUS_SUCCESS) |
| 533 | dp_err("Tx Desc Pool:%d Free failed", i); |
| 534 | } |
| 535 | } |
| 536 | |
| 537 | /** |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 538 | * dp_tx_flow_control_deinit() - Deregister fw based tx flow control |
| 539 | * @tx_desc_pool: Handle to flow_pool |
| 540 | * |
| 541 | * Return: none |
| 542 | */ |
| 543 | void dp_tx_flow_control_deinit(struct dp_soc *soc) |
| 544 | { |
Sravan Kumar Kairam | 2207558 | 2019-08-24 01:26:57 +0530 | [diff] [blame] | 545 | dp_tx_desc_pool_dealloc(soc); |
| 546 | |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 547 | qdf_spinlock_destroy(&soc->flow_pool_array_lock); |
| 548 | } |
| 549 | |
| 550 | /** |
| 551 | * dp_txrx_register_pause_cb() - Register pause callback |
| 552 | * @ctx: Handle to struct dp_soc |
| 553 | * @pause_cb: Tx pause_cb |
| 554 | * |
| 555 | * Return: none |
| 556 | */ |
| 557 | QDF_STATUS dp_txrx_register_pause_cb(struct cdp_soc_t *handle, |
| 558 | tx_pause_callback pause_cb) |
| 559 | { |
| 560 | struct dp_soc *soc = (struct dp_soc *)handle; |
| 561 | |
| 562 | if (!soc || !pause_cb) { |
| 563 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, |
| 564 | FL("soc or pause_cb is NULL")); |
| 565 | return QDF_STATUS_E_INVAL; |
| 566 | } |
| 567 | soc->pause_cb = pause_cb; |
| 568 | |
| 569 | return QDF_STATUS_SUCCESS; |
| 570 | } |
Manjunathappa Prakash | 38205cc | 2018-03-06 14:22:44 -0800 | [diff] [blame] | 571 | |
Rakesh Pillai | dce0137 | 2019-06-28 19:11:23 +0530 | [diff] [blame] | 572 | QDF_STATUS dp_tx_flow_pool_map(struct cdp_soc_t *handle, uint8_t pdev_id, |
| 573 | uint8_t vdev_id) |
Manjunathappa Prakash | 38205cc | 2018-03-06 14:22:44 -0800 | [diff] [blame] | 574 | { |
Rakesh Pillai | dce0137 | 2019-06-28 19:11:23 +0530 | [diff] [blame] | 575 | struct dp_soc *soc = cdp_soc_t_to_dp_soc(handle); |
| 576 | struct dp_pdev *pdev = |
| 577 | dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id); |
Manjunathappa Prakash | 38205cc | 2018-03-06 14:22:44 -0800 | [diff] [blame] | 578 | int tx_ring_size = wlan_cfg_tx_ring_size(soc->wlan_cfg_ctx); |
| 579 | |
Rakesh Pillai | dce0137 | 2019-06-28 19:11:23 +0530 | [diff] [blame] | 580 | if (!pdev) { |
| 581 | dp_err("pdev is NULL"); |
| 582 | return QDF_STATUS_E_INVAL; |
| 583 | } |
| 584 | |
| 585 | return dp_tx_flow_pool_map_handler(pdev, vdev_id, FLOW_TYPE_VDEV, |
| 586 | vdev_id, tx_ring_size); |
Manjunathappa Prakash | 38205cc | 2018-03-06 14:22:44 -0800 | [diff] [blame] | 587 | } |
| 588 | |
Rakesh Pillai | dce0137 | 2019-06-28 19:11:23 +0530 | [diff] [blame] | 589 | void dp_tx_flow_pool_unmap(struct cdp_soc_t *handle, uint8_t pdev_id, |
Manjunathappa Prakash | 38205cc | 2018-03-06 14:22:44 -0800 | [diff] [blame] | 590 | uint8_t vdev_id) |
| 591 | { |
Rakesh Pillai | dce0137 | 2019-06-28 19:11:23 +0530 | [diff] [blame] | 592 | struct dp_soc *soc = cdp_soc_t_to_dp_soc(handle); |
| 593 | struct dp_pdev *pdev = |
| 594 | dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id); |
| 595 | |
| 596 | if (!pdev) { |
| 597 | dp_err("pdev is NULL"); |
| 598 | return; |
| 599 | } |
| 600 | |
| 601 | return dp_tx_flow_pool_unmap_handler(pdev, vdev_id, |
| 602 | FLOW_TYPE_VDEV, vdev_id); |
Manjunathappa Prakash | 38205cc | 2018-03-06 14:22:44 -0800 | [diff] [blame] | 603 | } |