Sravan Kumar Kairam | d01b445 | 2018-03-07 17:37:09 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2013-2018 The Linux Foundation. All rights reserved. |
| 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 | /* Include Files */ |
| 29 | #include "wlan_ipa_core.h" |
| 30 | #include "wlan_ipa_main.h" |
| 31 | #include <ol_txrx.h> |
| 32 | #include "cdp_txrx_ipa.h" |
| 33 | #include "wal_rx_desc.h" |
| 34 | |
| 35 | static struct wlan_ipa_priv *gp_ipa; |
| 36 | |
| 37 | static struct wlan_ipa_iface_2_client { |
| 38 | qdf_ipa_client_type_t cons_client; |
| 39 | qdf_ipa_client_type_t prod_client; |
| 40 | } wlan_ipa_iface_2_client[WLAN_IPA_MAX_IFACE] = { |
| 41 | { |
| 42 | QDF_IPA_CLIENT_WLAN2_CONS, QDF_IPA_CLIENT_WLAN1_PROD |
| 43 | }, { |
| 44 | QDF_IPA_CLIENT_WLAN3_CONS, QDF_IPA_CLIENT_WLAN1_PROD |
| 45 | }, { |
| 46 | QDF_IPA_CLIENT_WLAN4_CONS, QDF_IPA_CLIENT_WLAN1_PROD |
| 47 | } |
| 48 | }; |
| 49 | |
| 50 | /** |
| 51 | * wlan_ipa_uc_sta_is_enabled() - Is STA mode IPA uC offload enabled? |
| 52 | * @ipa_cfg: IPA config |
| 53 | * |
| 54 | * Return: true if STA mode IPA uC offload is enabled, false otherwise |
| 55 | */ |
| 56 | static inline bool wlan_ipa_uc_sta_is_enabled(struct wlan_ipa_config *ipa_cfg) |
| 57 | { |
| 58 | return WLAN_IPA_IS_CONFIG_ENABLED(ipa_cfg, WLAN_IPA_UC_STA_ENABLE_MASK); |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * wlan_ipa_is_pre_filter_enabled() - Is IPA pre-filter enabled? |
| 63 | * @ipa_cfg: IPA config |
| 64 | * |
| 65 | * Return: true if pre-filter is enabled, otherwise false |
| 66 | */ |
| 67 | static inline |
| 68 | bool wlan_ipa_is_pre_filter_enabled(struct wlan_ipa_config *ipa_cfg) |
| 69 | { |
| 70 | return WLAN_IPA_IS_CONFIG_ENABLED(ipa_cfg, |
| 71 | WLAN_IPA_PRE_FILTER_ENABLE_MASK); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * wlan_ipa_is_ipv6_enabled() - Is IPA IPv6 enabled? |
| 76 | * @ipa_cfg: IPA config |
| 77 | * |
| 78 | * Return: true if IPv6 is enabled, otherwise false |
| 79 | */ |
| 80 | static inline bool wlan_ipa_is_ipv6_enabled(struct wlan_ipa_config *ipa_cfg) |
| 81 | { |
| 82 | return WLAN_IPA_IS_CONFIG_ENABLED(ipa_cfg, WLAN_IPA_IPV6_ENABLE_MASK); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * wlan_ipa_msg_free_fn() - Free an IPA message |
| 87 | * @buff: pointer to the IPA message |
| 88 | * @len: length of the IPA message |
| 89 | * @type: type of IPA message |
| 90 | * |
| 91 | * Return: None |
| 92 | */ |
| 93 | static void wlan_ipa_msg_free_fn(void *buff, uint32_t len, uint32_t type) |
| 94 | { |
| 95 | ipa_debug("msg type:%d, len:%d", type, len); |
| 96 | qdf_mem_free(buff); |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * wlan_ipa_uc_loaded_uc_cb() - IPA UC loaded event callback |
| 101 | * @priv_ctxt: IPA context |
| 102 | * |
| 103 | * Will be called by IPA context. |
| 104 | * It's atomic context, then should be scheduled to kworker thread |
| 105 | * |
| 106 | * Return: None |
| 107 | */ |
| 108 | static void wlan_ipa_uc_loaded_uc_cb(void *priv_ctxt) |
| 109 | { |
| 110 | struct wlan_ipa_priv *ipa_ctx; |
| 111 | struct op_msg_type *msg; |
| 112 | struct uc_op_work_struct *uc_op_work; |
| 113 | |
| 114 | if (!priv_ctxt) { |
| 115 | ipa_err("Invalid IPA context"); |
| 116 | return; |
| 117 | } |
| 118 | |
| 119 | ipa_ctx = priv_ctxt; |
| 120 | |
| 121 | msg = qdf_mem_malloc(sizeof(*msg)); |
| 122 | if (!msg) { |
| 123 | ipa_err("op_msg allocation fails"); |
| 124 | return; |
| 125 | } |
| 126 | |
| 127 | msg->op_code = WLAN_IPA_UC_OPCODE_UC_READY; |
| 128 | |
| 129 | uc_op_work = &ipa_ctx->uc_op_work[msg->op_code]; |
| 130 | |
| 131 | /* When the same uC OPCODE is already pended, just return */ |
| 132 | if (uc_op_work->msg) |
| 133 | goto done; |
| 134 | |
| 135 | uc_op_work->msg = msg; |
| 136 | qdf_sched_work(0, &uc_op_work->work); |
| 137 | /* work handler will free the msg buffer */ |
| 138 | return; |
| 139 | |
| 140 | done: |
| 141 | qdf_mem_free(msg); |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * wlan_ipa_uc_send_wdi_control_msg() - Set WDI control message |
| 146 | * @ctrl: WDI control value |
| 147 | * |
| 148 | * Send WLAN_WDI_ENABLE for ctrl = true and WLAN_WDI_DISABLE otherwise. |
| 149 | * |
| 150 | * Return: QDF_STATUS |
| 151 | */ |
| 152 | static QDF_STATUS wlan_ipa_uc_send_wdi_control_msg(bool ctrl) |
| 153 | { |
| 154 | qdf_ipa_msg_meta_t meta; |
| 155 | qdf_ipa_wlan_msg_t *ipa_msg; |
| 156 | int ret = 0; |
| 157 | |
| 158 | /* WDI enable message to IPA */ |
| 159 | QDF_IPA_MSG_META_MSG_LEN(&meta) = sizeof(*ipa_msg); |
| 160 | ipa_msg = qdf_mem_malloc(QDF_IPA_MSG_META_MSG_LEN(&meta)); |
| 161 | if (!ipa_msg) { |
| 162 | ipa_err("msg allocation failed"); |
| 163 | return QDF_STATUS_E_NOMEM; |
| 164 | } |
| 165 | |
| 166 | if (ctrl) |
| 167 | QDF_IPA_SET_META_MSG_TYPE(&meta, QDF_WDI_ENABLE); |
| 168 | else |
| 169 | QDF_IPA_SET_META_MSG_TYPE(&meta, QDF_WDI_DISABLE); |
| 170 | |
| 171 | ipa_debug("ipa_send_msg(Evt:%d)", QDF_IPA_MSG_META_MSG_TYPE(&meta)); |
| 172 | ret = qdf_ipa_send_msg(&meta, ipa_msg, wlan_ipa_msg_free_fn); |
| 173 | if (ret) { |
| 174 | ipa_err("ipa_send_msg(Evt:%d)-fail=%d", |
| 175 | QDF_IPA_MSG_META_MSG_TYPE(&meta), ret); |
| 176 | qdf_mem_free(ipa_msg); |
| 177 | return QDF_STATUS_E_FAILURE; |
| 178 | } |
| 179 | |
| 180 | return QDF_STATUS_SUCCESS; |
| 181 | } |
| 182 | |
| 183 | #ifdef CONFIG_IPA_WDI_UNIFIED_API |
| 184 | |
| 185 | /* |
| 186 | * TODO: Get WDI version through FW capabilities |
| 187 | */ |
| 188 | #ifdef CONFIG_LITHIUM |
| 189 | static inline void wlan_ipa_wdi_get_wdi_version(struct wlan_ipa_priv *ipa_ctx) |
| 190 | { |
| 191 | ipa_ctx->wdi_version = IPA_WDI_3; |
| 192 | } |
| 193 | #elif defined(QCA_WIFI_3_0) |
| 194 | static inline void wlan_ipa_wdi_get_wdi_version(struct wlan_ipa_priv *ipa_ctx) |
| 195 | { |
| 196 | ipa_ctx->wdi_version = IPA_WDI_2; |
| 197 | } |
| 198 | #else |
| 199 | static inline void wlan_ipa_wdi_get_wdi_version(struct wlan_ipa_priv *ipa_ctx) |
| 200 | { |
| 201 | ipa_ctx->wdi_version = IPA_WDI_1; |
| 202 | } |
| 203 | #endif |
| 204 | |
| 205 | static inline QDF_STATUS wlan_ipa_wdi_init(struct wlan_ipa_priv *ipa_ctx) |
| 206 | { |
| 207 | qdf_ipa_wdi_init_in_params_t in; |
| 208 | qdf_ipa_wdi_init_out_params_t out; |
| 209 | int ret; |
| 210 | |
| 211 | ipa_ctx->uc_loaded = false; |
| 212 | |
| 213 | QDF_IPA_WDI_INIT_IN_PARAMS_WDI_VERSION(&in) = ipa_ctx->wdi_version; |
| 214 | QDF_IPA_WDI_INIT_IN_PARAMS_NOTIFY(&in) = wlan_ipa_uc_loaded_uc_cb; |
| 215 | QDF_IPA_WDI_INIT_IN_PARAMS_PRIV(&in) = (void *)ipa_ctx; |
| 216 | |
| 217 | ret = qdf_ipa_wdi_init(&in, &out); |
| 218 | if (ret) { |
| 219 | ipa_err("ipa_wdi_init failed with ret=%d", ret); |
| 220 | return QDF_STATUS_E_FAILURE; |
| 221 | } |
| 222 | |
| 223 | if (QDF_IPA_WDI_INIT_OUT_PARAMS_IS_UC_READY(&out)) { |
| 224 | ipa_info("IPA uC READY"); |
| 225 | ipa_ctx->uc_loaded = true; |
| 226 | ipa_ctx->is_smmu_enabled = |
| 227 | QDF_IPA_WDI_INIT_OUT_PARAMS_IS_SMMU_ENABLED(&out); |
| 228 | ipa_info("is_smmu_enabled=%d", ipa_ctx->is_smmu_enabled); |
| 229 | } else { |
| 230 | return QDF_STATUS_E_BUSY; |
| 231 | } |
| 232 | |
| 233 | return QDF_STATUS_SUCCESS; |
| 234 | } |
| 235 | |
| 236 | static inline int wlan_ipa_wdi_cleanup(void) |
| 237 | { |
| 238 | int ret; |
| 239 | |
| 240 | ret = qdf_ipa_wdi_cleanup(); |
| 241 | if (ret) |
| 242 | ipa_info("ipa_wdi_cleanup failed ret=%d", ret); |
| 243 | return ret; |
| 244 | } |
| 245 | |
| 246 | static inline int wlan_ipa_wdi_setup_sys_pipe(struct wlan_ipa_priv *ipa_ctx, |
| 247 | struct ipa_sys_connect_params *sys, |
| 248 | uint32_t *handle) |
| 249 | { |
| 250 | return 0; |
| 251 | } |
| 252 | |
| 253 | static inline int wlan_ipa_wdi_teardown_sys_pipe(struct wlan_ipa_priv *ipa_ctx, |
| 254 | uint32_t handle) |
| 255 | { |
| 256 | return 0; |
| 257 | } |
| 258 | |
| 259 | #else /* CONFIG_IPA_WDI_UNIFIED_API */ |
| 260 | |
| 261 | static inline void wlan_ipa_wdi_get_wdi_version(struct wlan_ipa_priv *ipa_ctx) |
| 262 | { |
| 263 | } |
| 264 | |
| 265 | static inline QDF_STATUS wlan_ipa_wdi_init(struct wlan_ipa_priv *ipa_ctx) |
| 266 | { |
| 267 | struct ipa_wdi_uc_ready_params uc_ready_param; |
| 268 | |
| 269 | ipa_ctx->uc_loaded = false; |
| 270 | uc_ready_param.priv = (void *)ipa_ctx; |
| 271 | uc_ready_param.notify = wlan_ipa_uc_loaded_uc_cb; |
| 272 | if (qdf_ipa_uc_reg_rdyCB(&uc_ready_param)) { |
| 273 | ipa_info("UC Ready CB register fail"); |
| 274 | return QDF_STATUS_E_FAILURE; |
| 275 | } |
| 276 | |
| 277 | if (true == uc_ready_param.is_uC_ready) { |
| 278 | ipa_info("UC Ready"); |
| 279 | ipa_ctx->uc_loaded = true; |
| 280 | } else { |
| 281 | return QDF_STATUS_E_BUSY; |
| 282 | } |
| 283 | |
| 284 | return QDF_STATUS_SUCCESS; |
| 285 | } |
| 286 | |
| 287 | static inline int wlan_ipa_wdi_cleanup(void) |
| 288 | { |
| 289 | int ret; |
| 290 | |
| 291 | ret = qdf_ipa_uc_dereg_rdyCB(); |
| 292 | if (ret) |
| 293 | ipa_info("UC Ready CB deregister fail"); |
| 294 | return ret; |
| 295 | } |
| 296 | |
| 297 | static inline int wlan_ipa_wdi_setup_sys_pipe( |
| 298 | struct wlan_ipa_priv *ipa_ctx, |
| 299 | struct ipa_sys_connect_params *sys, uint32_t *handle) |
| 300 | { |
| 301 | return qdf_ipa_setup_sys_pipe(sys, handle); |
| 302 | } |
| 303 | |
| 304 | static inline int wlan_ipa_wdi_teardown_sys_pipe( |
| 305 | struct wlan_ipa_priv *ipa_ctx, |
| 306 | uint32_t handle) |
| 307 | { |
| 308 | return qdf_ipa_teardown_sys_pipe(handle); |
| 309 | } |
| 310 | |
| 311 | #endif /* CONFIG_IPA_WDI_UNIFIED_API */ |
| 312 | |
Sravan Kumar Kairam | 2e7aae9 | 2018-03-06 19:32:49 +0530 | [diff] [blame^] | 313 | QDF_STATUS wlan_ipa_uc_enable_pipes(struct wlan_ipa_priv *ipa_ctx) |
| 314 | { |
| 315 | int result; |
| 316 | |
| 317 | ipa_debug("enter"); |
| 318 | |
| 319 | if (!ipa_ctx->ipa_pipes_down) { |
| 320 | /* |
| 321 | * IPA WDI Pipes are already activated due to |
| 322 | * rm deferred resources grant |
| 323 | */ |
| 324 | ipa_warn("IPA WDI Pipes are already activated"); |
| 325 | goto end; |
| 326 | } |
| 327 | |
| 328 | result = cdp_ipa_enable_pipes(ipa_ctx->dp_soc, |
| 329 | ipa_ctx->dp_pdev); |
| 330 | if (result) { |
| 331 | ipa_err("Enable IPA WDI PIPE failed: ret=%d", result); |
| 332 | return QDF_STATUS_E_FAILURE; |
| 333 | } |
| 334 | |
| 335 | qdf_event_reset(&ipa_ctx->ipa_resource_comp); |
| 336 | ipa_ctx->ipa_pipes_down = false; |
| 337 | |
| 338 | cdp_ipa_enable_autonomy(ipa_ctx->dp_soc, |
| 339 | ipa_ctx->dp_pdev); |
| 340 | |
| 341 | end: |
| 342 | ipa_debug("exit: ipa_pipes_down=%d", ipa_ctx->ipa_pipes_down); |
| 343 | |
| 344 | return QDF_STATUS_SUCCESS; |
| 345 | } |
| 346 | |
| 347 | QDF_STATUS wlan_ipa_uc_disable_pipes(struct wlan_ipa_priv *ipa_ctx) |
| 348 | { |
| 349 | int result; |
| 350 | |
| 351 | ipa_debug("enter"); |
| 352 | |
| 353 | if (ipa_ctx->ipa_pipes_down) { |
| 354 | /* |
| 355 | * This shouldn't happen : |
| 356 | * IPA WDI Pipes are already deactivated |
| 357 | */ |
| 358 | QDF_ASSERT(0); |
| 359 | ipa_warn("IPA WDI Pipes are already deactivated"); |
| 360 | goto end; |
| 361 | } |
| 362 | |
| 363 | cdp_ipa_disable_autonomy(ipa_ctx->dp_soc, |
| 364 | ipa_ctx->dp_pdev); |
| 365 | |
| 366 | result = cdp_ipa_disable_pipes(ipa_ctx->dp_soc, |
| 367 | ipa_ctx->dp_pdev); |
| 368 | if (result) { |
| 369 | ipa_err("Disable IPA WDI PIPE failed: ret=%d", result); |
| 370 | return QDF_STATUS_E_FAILURE; |
| 371 | } |
| 372 | |
| 373 | ipa_ctx->ipa_pipes_down = true; |
| 374 | |
| 375 | end: |
| 376 | ipa_debug("exit: ipa_pipes_down=%d", ipa_ctx->ipa_pipes_down); |
| 377 | |
| 378 | return QDF_STATUS_SUCCESS; |
| 379 | } |
| 380 | |
Sravan Kumar Kairam | d01b445 | 2018-03-07 17:37:09 +0530 | [diff] [blame] | 381 | /** |
| 382 | * wlan_ipa_alloc_tx_desc_list() - Allocate IPA Tx desc list |
| 383 | * @ipa_ctx: IPA context |
| 384 | * |
| 385 | * Return: QDF_STATUS |
| 386 | */ |
| 387 | static int wlan_ipa_alloc_tx_desc_list(struct wlan_ipa_priv *ipa_ctx) |
| 388 | { |
| 389 | int i; |
| 390 | uint32_t max_desc_cnt; |
| 391 | struct wlan_ipa_tx_desc *tmp_desc; |
| 392 | |
| 393 | max_desc_cnt = ipa_ctx->config->txbuf_count; |
| 394 | |
| 395 | qdf_list_create(&ipa_ctx->tx_desc_list, max_desc_cnt); |
| 396 | |
| 397 | qdf_spin_lock_bh(&ipa_ctx->q_lock); |
| 398 | for (i = 0; i < max_desc_cnt; i++) { |
| 399 | tmp_desc = qdf_mem_malloc(sizeof(*tmp_desc)); |
| 400 | tmp_desc->id = i; |
| 401 | tmp_desc->ipa_tx_desc_ptr = NULL; |
| 402 | qdf_list_insert_back(&ipa_ctx->tx_desc_list, |
| 403 | &tmp_desc->node); |
| 404 | tmp_desc++; |
| 405 | } |
| 406 | |
| 407 | ipa_ctx->stats.num_tx_desc_q_cnt = 0; |
| 408 | ipa_ctx->stats.num_tx_desc_error = 0; |
| 409 | |
| 410 | qdf_spin_unlock_bh(&ipa_ctx->q_lock); |
| 411 | |
| 412 | return QDF_STATUS_SUCCESS; |
| 413 | } |
| 414 | |
| 415 | #ifndef QCA_LL_TX_FLOW_CONTROL_V2 |
| 416 | /** |
| 417 | * wlan_ipa_setup_tx_sys_pipe() - Setup IPA Tx system pipes |
| 418 | * @ipa_ctx: Global IPA IPA context |
| 419 | * @desc_fifo_sz: Number of descriptors |
| 420 | * |
| 421 | * Return: 0 on success, negative errno on error |
| 422 | */ |
| 423 | static int wlan_ipa_setup_tx_sys_pipe(struct wlan_ipa_priv *ipa_ctx, |
| 424 | int32_t desc_fifo_sz) |
| 425 | { |
| 426 | int i, ret = 0; |
| 427 | qdf_ipa_sys_connect_params_t *ipa; |
| 428 | |
| 429 | /*setup TX pipes */ |
| 430 | for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| 431 | ipa = &ipa_ctx->sys_pipe[i].ipa_sys_params; |
| 432 | |
| 433 | ipa->client = wlan_ipa_iface_2_client[i].cons_client; |
| 434 | ipa->desc_fifo_sz = desc_fifo_sz; |
| 435 | ipa->priv = &ipa_ctx->iface_context[i]; |
| 436 | ipa->notify = NULL; |
| 437 | |
| 438 | if (wlan_ipa_uc_sta_is_enabled(ipa_ctx->config)) { |
| 439 | ipa->ipa_ep_cfg.hdr.hdr_len = |
| 440 | WLAN_IPA_UC_WLAN_TX_HDR_LEN; |
| 441 | ipa->ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| 442 | ipa->ipa_ep_cfg.hdr.hdr_ofst_pkt_size_valid = 1; |
| 443 | ipa->ipa_ep_cfg.hdr.hdr_ofst_pkt_size = 0; |
| 444 | ipa->ipa_ep_cfg.hdr.hdr_additional_const_len = |
| 445 | WLAN_IPA_UC_WLAN_8023_HDR_SIZE; |
| 446 | ipa->ipa_ep_cfg.hdr_ext.hdr_little_endian = true; |
| 447 | } else { |
| 448 | ipa->ipa_ep_cfg.hdr.hdr_len = WLAN_IPA_WLAN_TX_HDR_LEN; |
| 449 | } |
| 450 | ipa->ipa_ep_cfg.mode.mode = IPA_BASIC; |
| 451 | |
| 452 | ret = wlan_ipa_wdi_setup_sys_pipe(ipa_ctx, ipa, |
| 453 | &ipa_ctx->sys_pipe[i].conn_hdl); |
| 454 | if (ret) { |
| 455 | ipa_err("Failed for pipe %d ret: %d", i, ret); |
| 456 | return ret; |
| 457 | } |
| 458 | ipa_ctx->sys_pipe[i].conn_hdl_valid = 1; |
| 459 | } |
| 460 | |
| 461 | return ret; |
| 462 | } |
| 463 | #else |
| 464 | /** |
| 465 | * wlan_ipa_setup_tx_sys_pipe() - Setup IPA Tx system pipes |
| 466 | * @ipa_ctx: Global IPA IPA context |
| 467 | * @desc_fifo_sz: Number of descriptors |
| 468 | * |
| 469 | * Return: 0 on success, negative errno on error |
| 470 | */ |
| 471 | static int wlan_ipa_setup_tx_sys_pipe(struct wlan_ipa_priv *ipa_ctx, |
| 472 | int32_t desc_fifo_sz) |
| 473 | { |
| 474 | /* |
| 475 | * The Tx system pipes are not needed for MCC when TX_FLOW_CONTROL_V2 |
| 476 | * is enabled, where per vdev descriptors are supported in firmware. |
| 477 | */ |
| 478 | return 0; |
| 479 | } |
| 480 | #endif |
| 481 | |
| 482 | /** |
| 483 | * wlan_ipa_setup_rx_sys_pipe() - Setup IPA Rx system pipes |
| 484 | * @ipa_ctx: Global IPA IPA context |
| 485 | * @desc_fifo_sz: Number of descriptors |
| 486 | * |
| 487 | * Return: 0 on success, negative errno on error |
| 488 | */ |
| 489 | static int wlan_ipa_setup_rx_sys_pipe(struct wlan_ipa_priv *ipa_ctx, |
| 490 | int32_t desc_fifo_sz) |
| 491 | { |
| 492 | int ret = 0; |
| 493 | qdf_ipa_sys_connect_params_t *ipa; |
| 494 | |
| 495 | /* |
| 496 | * Hard code it here, this can be extended if in case |
| 497 | * PROD pipe is also per interface. |
| 498 | * Right now there is no advantage of doing this. |
| 499 | */ |
| 500 | ipa = &ipa_ctx->sys_pipe[WLAN_IPA_RX_PIPE].ipa_sys_params; |
| 501 | |
| 502 | ipa->client = IPA_CLIENT_WLAN1_PROD; |
| 503 | |
| 504 | ipa->desc_fifo_sz = desc_fifo_sz; |
| 505 | ipa->priv = ipa_ctx; |
| 506 | ipa->notify = NULL; |
| 507 | |
| 508 | ipa->ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| 509 | ipa->ipa_ep_cfg.hdr.hdr_len = WLAN_IPA_WLAN_RX_HDR_LEN; |
| 510 | ipa->ipa_ep_cfg.hdr.hdr_ofst_metadata_valid = 1; |
| 511 | ipa->ipa_ep_cfg.mode.mode = IPA_BASIC; |
| 512 | |
| 513 | ret = qdf_ipa_setup_sys_pipe(ipa, |
| 514 | &ipa_ctx->sys_pipe[WLAN_IPA_RX_PIPE].conn_hdl); |
| 515 | if (ret) { |
| 516 | ipa_err("Failed for RX pipe: %d", ret); |
| 517 | return ret; |
| 518 | } |
| 519 | ipa_ctx->sys_pipe[WLAN_IPA_RX_PIPE].conn_hdl_valid = 1; |
| 520 | |
| 521 | return ret; |
| 522 | } |
| 523 | |
| 524 | /** |
| 525 | * wlan_ipa_setup_sys_pipe() - Setup all IPA system pipes |
| 526 | * @ipa_ctx: Global IPA IPA context |
| 527 | * |
| 528 | * Return: 0 on success, negative errno on error |
| 529 | */ |
| 530 | static int wlan_ipa_setup_sys_pipe(struct wlan_ipa_priv *ipa_ctx) |
| 531 | { |
| 532 | int i = WLAN_IPA_MAX_IFACE, ret = 0; |
| 533 | uint32_t desc_fifo_sz; |
| 534 | |
| 535 | /* The maximum number of descriptors that can be provided to a BAM at |
| 536 | * once is one less than the total number of descriptors that the buffer |
| 537 | * can contain. |
| 538 | * If max_num_of_descriptors = (BAM_PIPE_DESCRIPTOR_FIFO_SIZE / sizeof |
| 539 | * (SPS_DESCRIPTOR)), then (max_num_of_descriptors - 1) descriptors can |
| 540 | * be provided at once. |
| 541 | * Because of above requirement, one extra descriptor will be added to |
| 542 | * make sure hardware always has one descriptor. |
| 543 | */ |
| 544 | desc_fifo_sz = ipa_ctx->config->desc_size |
| 545 | + SPS_DESC_SIZE; |
| 546 | |
| 547 | ret = wlan_ipa_setup_tx_sys_pipe(ipa_ctx, desc_fifo_sz); |
| 548 | if (ret) { |
| 549 | ipa_err("Failed for TX pipe: %d", ret); |
| 550 | goto setup_sys_pipe_fail; |
| 551 | } |
| 552 | |
| 553 | if (!wlan_ipa_uc_sta_is_enabled(ipa_ctx->config)) { |
| 554 | ret = wlan_ipa_setup_rx_sys_pipe(ipa_ctx, desc_fifo_sz); |
| 555 | if (ret) { |
| 556 | ipa_err("Failed for RX pipe: %d", ret); |
| 557 | goto setup_sys_pipe_fail; |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | /* Allocate free Tx desc list */ |
| 562 | ret = wlan_ipa_alloc_tx_desc_list(ipa_ctx); |
| 563 | if (ret) |
| 564 | goto setup_sys_pipe_fail; |
| 565 | |
| 566 | return ret; |
| 567 | |
| 568 | setup_sys_pipe_fail: |
| 569 | |
| 570 | for (i = 0; i < WLAN_IPA_MAX_SYSBAM_PIPE; i++) { |
| 571 | if (ipa_ctx->sys_pipe[i].conn_hdl_valid) |
| 572 | qdf_ipa_teardown_sys_pipe( |
| 573 | ipa_ctx->sys_pipe[i].conn_hdl); |
| 574 | qdf_mem_zero(&ipa_ctx->sys_pipe[i], |
| 575 | sizeof(struct wlan_ipa_sys_pipe)); |
| 576 | } |
| 577 | |
| 578 | return ret; |
| 579 | } |
| 580 | |
| 581 | /** |
| 582 | * wlan_ipa_teardown_sys_pipe() - Tear down all IPA Sys pipes |
| 583 | * @ipa_ctx: Global IPA IPA context |
| 584 | * |
| 585 | * Return: None |
| 586 | */ |
| 587 | static void wlan_ipa_teardown_sys_pipe(struct wlan_ipa_priv *ipa_ctx) |
| 588 | { |
| 589 | int ret = 0, i; |
| 590 | struct wlan_ipa_tx_desc *tmp_desc; |
| 591 | qdf_ipa_rx_data_t *ipa_tx_desc; |
| 592 | qdf_list_node_t *node; |
| 593 | |
| 594 | for (i = 0; i < WLAN_IPA_MAX_SYSBAM_PIPE; i++) { |
| 595 | if (ipa_ctx->sys_pipe[i].conn_hdl_valid) { |
| 596 | ret = wlan_ipa_wdi_teardown_sys_pipe(ipa_ctx, |
| 597 | ipa_ctx->sys_pipe[i].conn_hdl); |
| 598 | if (ret) |
| 599 | ipa_err("Failed:%d", ret); |
| 600 | |
| 601 | ipa_ctx->sys_pipe[i].conn_hdl_valid = 0; |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | while (qdf_list_remove_front(&ipa_ctx->tx_desc_list, &node) == |
| 606 | QDF_STATUS_SUCCESS) { |
| 607 | tmp_desc = qdf_container_of(node, struct wlan_ipa_tx_desc, |
| 608 | node); |
| 609 | ipa_tx_desc = tmp_desc->ipa_tx_desc_ptr; |
| 610 | if (ipa_tx_desc) |
| 611 | qdf_ipa_free_skb(ipa_tx_desc); |
| 612 | |
| 613 | qdf_mem_free(tmp_desc); |
| 614 | } |
| 615 | } |
| 616 | |
| 617 | /** |
| 618 | * wlan_ipa_setup() - IPA initialization function |
| 619 | * @ipa_ctx: IPA context |
| 620 | * @ipa_cfg: IPA config |
| 621 | * |
| 622 | * Allocate ipa_ctx resources, ipa pipe resource and register |
| 623 | * wlan interface with IPA module. |
| 624 | * |
| 625 | * Return: QDF_STATUS enumeration |
| 626 | */ |
| 627 | QDF_STATUS wlan_ipa_setup(struct wlan_ipa_priv *ipa_ctx, |
| 628 | struct wlan_ipa_config *ipa_cfg) |
| 629 | { |
| 630 | int ret, i; |
| 631 | struct wlan_ipa_iface_context *iface_context = NULL; |
| 632 | QDF_STATUS status; |
| 633 | |
| 634 | ipa_debug("enter"); |
| 635 | |
| 636 | gp_ipa = ipa_ctx; |
| 637 | ipa_ctx->num_iface = 0; |
| 638 | ipa_ctx->config = ipa_cfg; |
| 639 | |
| 640 | wlan_ipa_wdi_get_wdi_version(ipa_ctx); |
| 641 | |
| 642 | /* Create the interface context */ |
| 643 | for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| 644 | iface_context = &ipa_ctx->iface_context[i]; |
| 645 | iface_context->ipa_ctx = ipa_ctx; |
| 646 | iface_context->cons_client = |
| 647 | wlan_ipa_iface_2_client[i].cons_client; |
| 648 | iface_context->prod_client = |
| 649 | wlan_ipa_iface_2_client[i].prod_client; |
| 650 | iface_context->iface_id = i; |
| 651 | iface_context->dev = NULL; |
| 652 | iface_context->device_mode = QDF_MAX_NO_OF_MODE; |
| 653 | iface_context->tl_context = NULL; |
| 654 | qdf_spinlock_create(&iface_context->interface_lock); |
| 655 | } |
| 656 | |
| 657 | qdf_spinlock_create(&ipa_ctx->pm_lock); |
| 658 | qdf_spinlock_create(&ipa_ctx->q_lock); |
| 659 | qdf_nbuf_queue_init(&ipa_ctx->pm_queue_head); |
| 660 | qdf_list_create(&ipa_ctx->pending_event, 1000); |
| 661 | qdf_mutex_create(&ipa_ctx->event_lock); |
| 662 | qdf_mutex_create(&ipa_ctx->ipa_lock); |
| 663 | |
Sravan Kumar Kairam | 2e7aae9 | 2018-03-06 19:32:49 +0530 | [diff] [blame^] | 664 | status = wlan_ipa_wdi_setup_rm(ipa_ctx); |
| 665 | if (status != QDF_STATUS_SUCCESS) |
| 666 | goto fail_setup_rm; |
| 667 | |
Sravan Kumar Kairam | d01b445 | 2018-03-07 17:37:09 +0530 | [diff] [blame] | 668 | for (i = 0; i < WLAN_IPA_MAX_SYSBAM_PIPE; i++) |
| 669 | qdf_mem_zero(&ipa_ctx->sys_pipe[i], |
| 670 | sizeof(struct wlan_ipa_sys_pipe)); |
| 671 | |
| 672 | if (wlan_ipa_uc_is_enabled(ipa_ctx->config)) { |
| 673 | qdf_mem_zero(&ipa_ctx->stats, sizeof(ipa_ctx->stats)); |
| 674 | ipa_ctx->sap_num_connected_sta = 0; |
| 675 | ipa_ctx->ipa_tx_packets_diff = 0; |
| 676 | ipa_ctx->ipa_rx_packets_diff = 0; |
| 677 | ipa_ctx->ipa_p_tx_packets = 0; |
| 678 | ipa_ctx->ipa_p_rx_packets = 0; |
| 679 | ipa_ctx->resource_loading = false; |
| 680 | ipa_ctx->resource_unloading = false; |
| 681 | ipa_ctx->sta_connected = 0; |
| 682 | ipa_ctx->ipa_pipes_down = true; |
| 683 | ipa_ctx->wdi_enabled = false; |
| 684 | /* Setup IPA system pipes */ |
| 685 | if (wlan_ipa_uc_sta_is_enabled(ipa_ctx->config)) { |
| 686 | ret = wlan_ipa_setup_sys_pipe(ipa_ctx); |
| 687 | if (ret) |
| 688 | goto fail_create_sys_pipe; |
| 689 | } |
| 690 | |
| 691 | status = wlan_ipa_wdi_init(ipa_ctx); |
| 692 | if (status == QDF_STATUS_E_BUSY) |
| 693 | status = wlan_ipa_uc_send_wdi_control_msg(false); |
| 694 | if (status != QDF_STATUS_SUCCESS) { |
| 695 | ipa_err("IPA WDI init failed: ret=%d", ret); |
| 696 | goto fail_create_sys_pipe; |
| 697 | } |
| 698 | } else { |
| 699 | ret = wlan_ipa_setup_sys_pipe(ipa_ctx); |
| 700 | if (ret) |
| 701 | goto fail_create_sys_pipe; |
| 702 | } |
| 703 | |
| 704 | qdf_event_create(&ipa_ctx->ipa_resource_comp); |
| 705 | |
| 706 | ipa_debug("exit: success"); |
| 707 | |
| 708 | return QDF_STATUS_SUCCESS; |
| 709 | |
| 710 | fail_create_sys_pipe: |
Sravan Kumar Kairam | 2e7aae9 | 2018-03-06 19:32:49 +0530 | [diff] [blame^] | 711 | wlan_ipa_wdi_destroy_rm(ipa_ctx); |
| 712 | |
| 713 | fail_setup_rm: |
Sravan Kumar Kairam | d01b445 | 2018-03-07 17:37:09 +0530 | [diff] [blame] | 714 | qdf_spinlock_destroy(&ipa_ctx->pm_lock); |
Sravan Kumar Kairam | 2e7aae9 | 2018-03-06 19:32:49 +0530 | [diff] [blame^] | 715 | qdf_spinlock_destroy(&ipa_ctx->q_lock); |
| 716 | for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| 717 | iface_context = &ipa_ctx->iface_context[i]; |
| 718 | qdf_spinlock_destroy(&iface_context->interface_lock); |
| 719 | } |
| 720 | qdf_mutex_destroy(&ipa_ctx->event_lock); |
| 721 | qdf_mutex_destroy(&ipa_ctx->ipa_lock); |
| 722 | qdf_list_destroy(&ipa_ctx->pending_event); |
Sravan Kumar Kairam | d01b445 | 2018-03-07 17:37:09 +0530 | [diff] [blame] | 723 | gp_ipa = NULL; |
| 724 | ipa_debug("exit: fail"); |
| 725 | |
| 726 | return QDF_STATUS_E_FAILURE; |
| 727 | } |
| 728 | |
| 729 | QDF_STATUS wlan_ipa_cleanup(struct wlan_ipa_priv *ipa_ctx) |
| 730 | { |
| 731 | struct wlan_ipa_iface_context *iface_context = NULL; |
| 732 | int i; |
| 733 | |
| 734 | if (!wlan_ipa_uc_is_enabled(ipa_ctx->config)) |
| 735 | wlan_ipa_teardown_sys_pipe(ipa_ctx); |
| 736 | |
| 737 | /* Teardown IPA sys_pipe for MCC */ |
| 738 | if (wlan_ipa_uc_sta_is_enabled(ipa_ctx->config)) |
| 739 | wlan_ipa_teardown_sys_pipe(ipa_ctx); |
| 740 | |
Sravan Kumar Kairam | 2e7aae9 | 2018-03-06 19:32:49 +0530 | [diff] [blame^] | 741 | wlan_ipa_wdi_destroy_rm(ipa_ctx); |
| 742 | |
Sravan Kumar Kairam | d01b445 | 2018-03-07 17:37:09 +0530 | [diff] [blame] | 743 | qdf_spinlock_destroy(&ipa_ctx->pm_lock); |
| 744 | qdf_spinlock_destroy(&ipa_ctx->q_lock); |
| 745 | |
| 746 | /* destroy the interface lock */ |
| 747 | for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) { |
| 748 | iface_context = &ipa_ctx->iface_context[i]; |
| 749 | qdf_spinlock_destroy(&iface_context->interface_lock); |
| 750 | } |
| 751 | |
| 752 | if (wlan_ipa_uc_is_enabled(ipa_ctx->config)) { |
| 753 | wlan_ipa_wdi_cleanup(); |
| 754 | qdf_mutex_destroy(&ipa_ctx->event_lock); |
| 755 | qdf_mutex_destroy(&ipa_ctx->ipa_lock); |
| 756 | qdf_list_destroy(&ipa_ctx->pending_event); |
| 757 | |
| 758 | } |
| 759 | |
| 760 | gp_ipa = NULL; |
| 761 | |
| 762 | return QDF_STATUS_SUCCESS; |
| 763 | } |