/* * Copyright (c) 2013-2019 The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for * any purpose with or without fee is hereby granted, provided that the * above copyright notice and this permission notice appear in all * copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ /** * DOC: target_if_wifi_pos.c * This file defines the functions pertinent to wifi positioning component's * target if layer. */ #include "../../../../umac/wifi_pos/src/wifi_pos_utils_i.h" #include "wmi_unified_api.h" #include "wlan_lmac_if_def.h" #include "target_if_wifi_pos.h" #include "../../../../umac/wifi_pos/src/wifi_pos_main_i.h" #include "target_if.h" #ifdef WLAN_FEATURE_CIF_CFR #include "hal_api.h" #define RING_BASE_ALIGN 8 static void *target_if_wifi_pos_vaddr_lookup( struct wifi_pos_psoc_priv_obj *priv, void *paddr, uint8_t ring_num, uint32_t cookie) { if (priv->dma_buf_pool[ring_num][cookie].paddr == paddr) { return priv->dma_buf_pool[ring_num][cookie].vaddr + priv->dma_buf_pool[ring_num][cookie].offset; } else { target_if_err("incorrect paddr found on cookie slot"); return NULL; } } static QDF_STATUS target_if_wifi_pos_replenish_ring( struct wifi_pos_psoc_priv_obj *priv, uint8_t ring_idx, void *alinged_vaddr, uint32_t cookie) { uint64_t *ring_entry; uint32_t dw_lo, dw_hi = 0, map_status; void *hal_soc = priv->hal_soc; void *srng = priv->dma_cfg[ring_idx].srng; void *paddr; if (!alinged_vaddr) { target_if_debug("NULL alinged_vaddr provided"); return QDF_STATUS_SUCCESS; } map_status = qdf_mem_map_nbytes_single(NULL, alinged_vaddr, QDF_DMA_FROM_DEVICE, priv->dma_cap[ring_idx].min_buf_size, (qdf_dma_addr_t *)&paddr); if (map_status) { target_if_err("mem map failed status: %d", map_status); return QDF_STATUS_E_FAILURE; } QDF_ASSERT(!((uint64_t)paddr % priv->dma_cap[ring_idx].min_buf_align)); priv->dma_buf_pool[ring_idx][cookie].paddr = paddr; hal_srng_access_start(hal_soc, srng); ring_entry = hal_srng_src_get_next(hal_soc, srng); dw_lo = (uint64_t)paddr & 0xFFFFFFFF; WMI_OEM_DMA_DATA_ADDR_HI_SET(dw_hi, (uint64_t)paddr >> 32); WMI_OEM_DMA_DATA_ADDR_HI_HOST_DATA_SET(dw_hi, cookie); *ring_entry = (uint64_t)dw_hi << 32 | dw_lo; hal_srng_access_end(hal_soc, srng); return QDF_STATUS_SUCCESS; } static QDF_STATUS target_if_wifi_pos_get_indirect_data( struct wifi_pos_psoc_priv_obj *priv_obj, struct wmi_host_oem_indirect_data *indirect, struct oem_data_rsp *rsp, uint32_t *cookie) { void *paddr = NULL; uint32_t addr_hi; uint8_t ring_idx = 0, num_rings; if (!indirect) { target_if_debug("no indirect data. regular event received"); return QDF_STATUS_SUCCESS; } ring_idx = indirect->pdev_id - 1; num_rings = priv_obj->num_rings; if (ring_idx >= num_rings) { target_if_err("incorrect pdev_id: %d", indirect->pdev_id); return QDF_STATUS_E_INVAL; } addr_hi = (uint64_t)WMI_OEM_DMA_DATA_ADDR_HI_GET( indirect->addr_hi); paddr = (void *)((uint64_t)addr_hi << 32 | indirect->addr_lo); *cookie = WMI_OEM_DMA_DATA_ADDR_HI_HOST_DATA_GET( indirect->addr_hi); rsp->vaddr = target_if_wifi_pos_vaddr_lookup(priv_obj, paddr, ring_idx, *cookie); rsp->dma_len = indirect->len; qdf_mem_unmap_nbytes_single(NULL, (qdf_dma_addr_t)paddr, QDF_DMA_FROM_DEVICE, priv_obj->dma_cap[ring_idx].min_buf_size); return QDF_STATUS_SUCCESS; } #else static QDF_STATUS target_if_wifi_pos_replenish_ring( struct wifi_pos_psoc_priv_obj *priv, uint8_t ring_idx, void *vaddr, uint32_t cookie) { return QDF_STATUS_SUCCESS; } static QDF_STATUS target_if_wifi_pos_get_indirect_data( struct wifi_pos_psoc_priv_obj *priv_obj, struct wmi_host_oem_indirect_data *indirect, struct oem_data_rsp *rsp, uint32_t *cookie) { return QDF_STATUS_SUCCESS; } #endif /** * target_if_wifi_pos_oem_rsp_ev_handler: handler registered with * WMI_OEM_RESPONSE_EVENTID * @scn: scn handle * @data_buf: event buffer * @data_len: event buffer length * * Return: status of operation */ static int target_if_wifi_pos_oem_rsp_ev_handler(ol_scn_t scn, uint8_t *data_buf, uint32_t data_len) { int ret; uint8_t ring_idx = 0; QDF_STATUS status; uint32_t cookie = 0; struct wmi_host_oem_indirect_data *indirect; struct oem_data_rsp oem_rsp = {0}; struct wifi_pos_psoc_priv_obj *priv_obj; struct wlan_objmgr_psoc *psoc; struct wlan_lmac_if_wifi_pos_rx_ops *wifi_pos_rx_ops; struct wmi_oem_response_param oem_resp_param = {0}; wmi_unified_t wmi_handle; psoc = target_if_get_psoc_from_scn_hdl(scn); if (!psoc) { target_if_err("psoc is null"); return QDF_STATUS_NOT_INITIALIZED; } wlan_objmgr_psoc_get_ref(psoc, WLAN_WIFI_POS_TGT_IF_ID); wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); if (!wmi_handle) { target_if_err("wmi_handle is null"); wlan_objmgr_psoc_release_ref(psoc, WLAN_WIFI_POS_TGT_IF_ID); return QDF_STATUS_NOT_INITIALIZED; } priv_obj = wifi_pos_get_psoc_priv_obj(psoc); if (!priv_obj) { target_if_err("priv_obj is null"); wlan_objmgr_psoc_release_ref(psoc, WLAN_WIFI_POS_TGT_IF_ID); return QDF_STATUS_NOT_INITIALIZED; } wifi_pos_rx_ops = target_if_wifi_pos_get_rxops(psoc); if (!wifi_pos_rx_ops || !wifi_pos_rx_ops->oem_rsp_event_rx) { wlan_objmgr_psoc_release_ref(psoc, WLAN_WIFI_POS_TGT_IF_ID); target_if_err("lmac callbacks not registered"); return QDF_STATUS_NOT_INITIALIZED; } ret = wmi_extract_oem_response_param(wmi_handle, data_buf, &oem_resp_param); oem_rsp.rsp_len_1 = oem_resp_param.num_data1; oem_rsp.data_1 = oem_resp_param.data_1; if (oem_resp_param.num_data2) { oem_rsp.rsp_len_2 = oem_resp_param.num_data2; oem_rsp.data_2 = oem_resp_param.data_2; } indirect = &oem_resp_param.indirect_data; status = target_if_wifi_pos_get_indirect_data(priv_obj, indirect, &oem_rsp, &cookie); if (QDF_IS_STATUS_ERROR(status)) { target_if_err("get indirect data failed status: %d", status); wlan_objmgr_psoc_release_ref(psoc, WLAN_WIFI_POS_TGT_IF_ID); return QDF_STATUS_E_INVAL; } ret = wifi_pos_rx_ops->oem_rsp_event_rx(psoc, &oem_rsp); if (indirect) ring_idx = indirect->pdev_id - 1; status = target_if_wifi_pos_replenish_ring(priv_obj, ring_idx, oem_rsp.vaddr, cookie); if (QDF_IS_STATUS_ERROR(status)) { target_if_err("replenish failed status: %d", status); ret = QDF_STATUS_E_FAILURE; } wlan_objmgr_psoc_release_ref(psoc, WLAN_WIFI_POS_TGT_IF_ID); return ret; } /** * wifi_pos_oem_cap_ev_handler: handler registered with wmi_oem_cap_event_id * @scn: scn handle * @buf: event buffer * @len: event buffer length * * Return: status of operation */ static int wifi_pos_oem_cap_ev_handler(ol_scn_t scn, uint8_t *buf, uint32_t len) { /* TBD */ return 0; } /** * wifi_pos_oem_meas_rpt_ev_handler: handler registered with * wmi_oem_meas_report_event_id * @scn: scn handle * @buf: event buffer * @len: event buffer length * * Return: status of operation */ static int wifi_pos_oem_meas_rpt_ev_handler(ol_scn_t scn, uint8_t *buf, uint32_t len) { /* TBD */ return 0; } /** * wifi_pos_oem_err_rpt_ev_handler: handler registered with * wmi_oem_err_report_event_id * @scn: scn handle * @buf: event buffer * @len: event buffer length * * Return: status of operation */ static int wifi_pos_oem_err_rpt_ev_handler(ol_scn_t scn, uint8_t *buf, uint32_t len) { /* TBD */ return 0; } /** * target_if_wifi_pos_oem_data_req() - start OEM data request to target * @psoc: pointer to psoc object mgr * @req: start request params * * Return: QDF_STATUS */ static QDF_STATUS target_if_wifi_pos_oem_data_req(struct wlan_objmgr_pdev *pdev, struct oem_data_req *req) { QDF_STATUS status; wmi_unified_t wmi_hdl = get_wmi_unified_hdl_from_pdev(pdev); target_if_debug("Send oem data req to target"); if (!req || !req->data) { target_if_err("oem_data_req is null"); return QDF_STATUS_E_INVAL; } if (!wmi_hdl) { target_if_err("WMA closed, can't send oem data req cmd"); return QDF_STATUS_E_INVAL; } status = wmi_unified_start_oem_data_cmd(wmi_hdl, req->data_len, req->data); if (!QDF_IS_STATUS_SUCCESS(status)) target_if_err("wmi cmd send failed"); return status; } void target_if_wifi_pos_register_tx_ops(struct wlan_lmac_if_tx_ops *tx_ops) { struct wlan_lmac_if_wifi_pos_tx_ops *wifi_pos_tx_ops; wifi_pos_tx_ops = &tx_ops->wifi_pos_tx_ops; wifi_pos_tx_ops->data_req_tx = target_if_wifi_pos_oem_data_req; wifi_pos_tx_ops->wifi_pos_register_events = target_if_wifi_pos_register_events; wifi_pos_tx_ops->wifi_pos_deregister_events = target_if_wifi_pos_deregister_events; } inline struct wlan_lmac_if_wifi_pos_rx_ops *target_if_wifi_pos_get_rxops( struct wlan_objmgr_psoc *psoc) { if (!psoc) { target_if_err("passed psoc is NULL"); return NULL; } return &psoc->soc_cb.rx_ops.wifi_pos_rx_ops; } QDF_STATUS target_if_wifi_pos_register_events(struct wlan_objmgr_psoc *psoc) { int ret; if (!psoc || !GET_WMI_HDL_FROM_PSOC(psoc)) { target_if_err("psoc or psoc->tgt_if_handle is null"); return QDF_STATUS_E_INVAL; } /* wmi_oem_response_event_id is not defined for legacy targets. * So do not check for error for this event. */ wmi_unified_register_event_handler( get_wmi_unified_hdl_from_psoc(psoc), wmi_oem_response_event_id, target_if_wifi_pos_oem_rsp_ev_handler, WMI_RX_WORK_CTX); ret = wmi_unified_register_event_handler( get_wmi_unified_hdl_from_psoc(psoc), wmi_oem_cap_event_id, wifi_pos_oem_cap_ev_handler, WMI_RX_WORK_CTX); if (ret) { target_if_err("register_event_handler failed: err %d", ret); return QDF_STATUS_E_INVAL; } ret = wmi_unified_register_event_handler( get_wmi_unified_hdl_from_psoc(psoc), wmi_oem_meas_report_event_id, wifi_pos_oem_meas_rpt_ev_handler, WMI_RX_WORK_CTX); if (ret) { target_if_err("register_event_handler failed: err %d", ret); return QDF_STATUS_E_INVAL; } ret = wmi_unified_register_event_handler( get_wmi_unified_hdl_from_psoc(psoc), wmi_oem_report_event_id, wifi_pos_oem_err_rpt_ev_handler, WMI_RX_WORK_CTX); if (ret) { target_if_err("register_event_handler failed: err %d", ret); return QDF_STATUS_E_INVAL; } return QDF_STATUS_SUCCESS; } QDF_STATUS target_if_wifi_pos_deregister_events(struct wlan_objmgr_psoc *psoc) { if (!psoc || !GET_WMI_HDL_FROM_PSOC(psoc)) { target_if_err("psoc or psoc->tgt_if_handle is null"); return QDF_STATUS_E_INVAL; } wmi_unified_unregister_event_handler( get_wmi_unified_hdl_from_psoc(psoc), wmi_oem_response_event_id); wmi_unified_unregister_event_handler( get_wmi_unified_hdl_from_psoc(psoc), wmi_oem_cap_event_id); wmi_unified_unregister_event_handler( get_wmi_unified_hdl_from_psoc(psoc), wmi_oem_meas_report_event_id); wmi_unified_unregister_event_handler( get_wmi_unified_hdl_from_psoc(psoc), wmi_oem_report_event_id); return QDF_STATUS_SUCCESS; } #ifdef WLAN_FEATURE_CIF_CFR static QDF_STATUS target_if_wifi_pos_fill_ring(uint8_t ring_idx, struct hal_srng *srng, struct wifi_pos_psoc_priv_obj *priv) { uint32_t i; void *buf, *buf_aligned; for (i = 0; i < priv->dma_cfg[ring_idx].num_ptr; i++) { buf = qdf_mem_malloc(priv->dma_cap[ring_idx].min_buf_size + priv->dma_cap[ring_idx].min_buf_align - 1); if (!buf) return QDF_STATUS_E_NOMEM; priv->dma_buf_pool[ring_idx][i].vaddr = buf; buf_aligned = (void *)qdf_roundup((uint64_t)buf, priv->dma_cap[ring_idx].min_buf_align); priv->dma_buf_pool[ring_idx][i].offset = buf_aligned - buf; priv->dma_buf_pool[ring_idx][i].cookie = i; target_if_wifi_pos_replenish_ring(priv, ring_idx, buf_aligned, i); } return QDF_STATUS_SUCCESS; } static QDF_STATUS target_if_wifi_pos_empty_ring(uint8_t ring_idx, struct wifi_pos_psoc_priv_obj *priv) { uint32_t i; for (i = 0; i < priv->dma_cfg[ring_idx].num_ptr; i++) { qdf_mem_unmap_nbytes_single(NULL, (qdf_dma_addr_t)priv->dma_buf_pool[ring_idx][i].vaddr, QDF_DMA_FROM_DEVICE, priv->dma_cap[ring_idx].min_buf_size); qdf_mem_free(priv->dma_buf_pool[ring_idx][i].vaddr); } return QDF_STATUS_SUCCESS; } static QDF_STATUS target_if_wifi_pos_init_ring(uint8_t ring_idx, struct wifi_pos_psoc_priv_obj *priv) { void *srng; uint32_t num_entries; qdf_dma_addr_t paddr; uint32_t ring_alloc_size; void *hal_soc = priv->hal_soc; struct hal_srng_params ring_params = {0}; uint32_t max_entries = hal_srng_max_entries(hal_soc, WIFI_POS_SRC); uint32_t entry_size = hal_srng_get_entrysize(hal_soc, WIFI_POS_SRC); num_entries = priv->dma_cap[ring_idx].min_num_ptr > max_entries ? max_entries : priv->dma_cap[ring_idx].min_num_ptr; priv->dma_cfg[ring_idx].num_ptr = num_entries; priv->dma_buf_pool[ring_idx] = qdf_mem_malloc(num_entries * sizeof(struct wifi_pos_dma_buf_info)); if (!priv->dma_buf_pool[ring_idx]) return QDF_STATUS_E_NOMEM; ring_alloc_size = (num_entries * entry_size) + RING_BASE_ALIGN - 1; priv->dma_cfg[ring_idx].ring_alloc_size = ring_alloc_size; priv->dma_cfg[ring_idx].base_vaddr_unaligned = qdf_mem_alloc_consistent(NULL, NULL, ring_alloc_size, &paddr); priv->dma_cfg[ring_idx].base_paddr_unaligned = (void *)paddr; if (!priv->dma_cfg[ring_idx].base_vaddr_unaligned) { target_if_err("malloc failed"); return QDF_STATUS_E_NOMEM; } priv->dma_cfg[ring_idx].base_vaddr_aligned = (void *)qdf_roundup( (uint64_t)priv->dma_cfg[ring_idx].base_vaddr_unaligned, RING_BASE_ALIGN); ring_params.ring_base_vaddr = priv->dma_cfg[ring_idx].base_vaddr_aligned; priv->dma_cfg[ring_idx].base_paddr_aligned = (void *)qdf_roundup( (uint64_t)priv->dma_cfg[ring_idx].base_paddr_unaligned, RING_BASE_ALIGN); ring_params.ring_base_paddr = (qdf_dma_addr_t)priv->dma_cfg[ring_idx].base_paddr_aligned; ring_params.num_entries = num_entries; srng = hal_srng_setup(hal_soc, WIFI_POS_SRC, 0, priv->dma_cap[ring_idx].pdev_id, &ring_params); if (!srng) { target_if_err("srng setup failed"); return QDF_STATUS_E_FAILURE; } priv->dma_cfg[ring_idx].srng = srng; priv->dma_cfg[ring_idx].tail_idx_addr = (void *)hal_srng_get_tp_addr(hal_soc, srng); priv->dma_cfg[ring_idx].head_idx_addr = (void *)hal_srng_get_tp_addr(hal_soc, srng); return target_if_wifi_pos_fill_ring(ring_idx, srng, priv); } static QDF_STATUS target_if_wifi_pos_deinit_ring(uint8_t ring_idx, struct wifi_pos_psoc_priv_obj *priv) { target_if_wifi_pos_empty_ring(ring_idx, priv); priv->dma_buf_pool[ring_idx] = NULL; hal_srng_cleanup(priv->hal_soc, priv->dma_cfg[ring_idx].srng); qdf_mem_free_consistent(NULL, NULL, priv->dma_cfg[ring_idx].ring_alloc_size, priv->dma_cfg[ring_idx].base_vaddr_unaligned, (qdf_dma_addr_t)priv->dma_cfg[ring_idx].base_paddr_unaligned, 0); qdf_mem_free(priv->dma_buf_pool[ring_idx]); return QDF_STATUS_SUCCESS; } static QDF_STATUS target_if_wifi_pos_init_srngs( struct wifi_pos_psoc_priv_obj *priv) { uint8_t i; QDF_STATUS status; /* allocate memory for num_rings pointers */ priv->dma_cfg = qdf_mem_malloc(priv->num_rings * sizeof(struct wifi_pos_dma_rings_cap)); if (!priv->dma_cfg) return QDF_STATUS_E_NOMEM; priv->dma_buf_pool = qdf_mem_malloc(priv->num_rings * sizeof(struct wifi_pos_dma_buf_info *)); if (!priv->dma_buf_pool) return QDF_STATUS_E_NOMEM; for (i = 0; i < priv->num_rings; i++) { status = target_if_wifi_pos_init_ring(i, priv); if (QDF_IS_STATUS_ERROR(status)) { target_if_err("init for ring[%d] failed", i); return status; } } return QDF_STATUS_SUCCESS; } static QDF_STATUS target_if_wifi_pos_deinit_srngs( struct wifi_pos_psoc_priv_obj *priv) { uint8_t i; for (i = 0; i < priv->num_rings; i++) target_if_wifi_pos_deinit_ring(i, priv); qdf_mem_free(priv->dma_buf_pool); priv->dma_buf_pool = NULL; return QDF_STATUS_SUCCESS; } static QDF_STATUS target_if_wifi_pos_cfg_fw(struct wlan_objmgr_psoc *psoc, struct wifi_pos_psoc_priv_obj *priv) { uint8_t i; QDF_STATUS status; wmi_unified_t wmi_hdl = GET_WMI_HDL_FROM_PSOC(psoc); wmi_oem_dma_ring_cfg_req_fixed_param cfg = {0}; if (!wmi_hdl) { target_if_err("WMA closed, can't send oem data req cmd"); return QDF_STATUS_E_INVAL; } target_if_debug("Sending oem dma ring cfg to target"); for (i = 0; i < priv->num_rings; i++) { cfg.pdev_id = priv->dma_cfg[i].pdev_id; cfg.base_addr_lo = (uint64_t)priv->dma_cfg[i].base_paddr_aligned & 0xFFFFFFFF; cfg.base_addr_hi = (uint64_t)priv->dma_cfg[i].base_paddr_aligned & 0xFFFFFFFF00000000; cfg.head_idx_addr_lo = (uint64_t)priv->dma_cfg[i].head_idx_addr & 0xFFFFFFFF; cfg.head_idx_addr_hi = (uint64_t)priv->dma_cfg[i].head_idx_addr & 0xFFFFFFFF00000000; cfg.tail_idx_addr_lo = (uint64_t)priv->dma_cfg[i].tail_idx_addr & 0xFFFFFFFF; cfg.tail_idx_addr_hi = (uint64_t)priv->dma_cfg[i].tail_idx_addr & 0xFFFFFFFF00000000; cfg.num_ptr = priv->dma_cfg[i].num_ptr; status = wmi_unified_oem_dma_ring_cfg(wmi_hdl, &cfg); if (!QDF_IS_STATUS_SUCCESS(status)) { target_if_err("wmi cmd send failed"); return status; } } return status; } QDF_STATUS target_if_wifi_pos_deinit_dma_rings(struct wlan_objmgr_psoc *psoc) { struct wifi_pos_psoc_priv_obj *priv = wifi_pos_get_psoc_priv_obj(psoc); target_if_wifi_pos_deinit_srngs(priv); qdf_mem_free(priv->dma_cap); priv->dma_cap = NULL; return QDF_STATUS_SUCCESS; } QDF_STATUS target_if_wifi_pos_init_cir_cfr_rings(struct wlan_objmgr_psoc *psoc, void *hal_soc, uint8_t num_mac, void *buf) { uint8_t i; QDF_STATUS status = QDF_STATUS_SUCCESS; WMI_OEM_DMA_RING_CAPABILITIES *dma_cap = buf; struct wifi_pos_psoc_priv_obj *priv = wifi_pos_get_psoc_priv_obj(psoc); if (!priv) { target_if_err("unable to get wifi_pos psoc obj"); return QDF_STATUS_E_NULL_VALUE; } priv->hal_soc = hal_soc; priv->num_rings = num_mac; priv->dma_cap = qdf_mem_malloc(priv->num_rings * sizeof(struct wifi_pos_dma_rings_cap)); if (!priv->dma_cap) return QDF_STATUS_E_NOMEM; for (i = 0; i < num_mac; i++) { priv->dma_cap[i].pdev_id = dma_cap[i].pdev_id; priv->dma_cap[i].min_num_ptr = dma_cap[i].min_num_ptr; priv->dma_cap[i].min_buf_size = dma_cap[i].min_buf_size; priv->dma_cap[i].min_buf_align = dma_cap[i].min_buf_align; } /* initialize DMA rings now */ status = target_if_wifi_pos_init_srngs(priv); if (QDF_IS_STATUS_ERROR(status)) { target_if_err("dma init failed: %d", status); goto dma_init_failed; } /* send cfg req cmd to firmware */ status = target_if_wifi_pos_cfg_fw(psoc, priv); if (QDF_IS_STATUS_ERROR(status)) { target_if_err("configure to FW failed: %d", status); goto dma_init_failed; } return QDF_STATUS_SUCCESS; dma_init_failed: target_if_wifi_pos_deinit_dma_rings(psoc); return status; } #endif