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- /*
- * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. 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.
- */
- #include "dp_types.h"
- #include "hal_reo.h"
- #include "dp_internal.h"
- #include <qdf_time.h>
- #define dp_reo_alert(params...) QDF_TRACE_FATAL(QDF_MODULE_ID_DP_REO, params)
- #define dp_reo_err(params...) QDF_TRACE_ERROR(QDF_MODULE_ID_DP_REO, params)
- #define dp_reo_warn(params...) QDF_TRACE_WARN(QDF_MODULE_ID_DP_REO, params)
- #define dp_reo_info(params...) \
- __QDF_TRACE_FL(QDF_TRACE_LEVEL_INFO_HIGH, QDF_MODULE_ID_DP_REO, ## params)
- #define dp_reo_debug(params...) QDF_TRACE_DEBUG(QDF_MODULE_ID_DP_REO, params)
- #ifdef WLAN_FEATURE_DP_EVENT_HISTORY
- /**
- * dp_reo_cmd_srng_event_record() - Record reo cmds posted
- * to the reo cmd ring
- * @soc: dp soc handle
- * @type: reo cmd type
- * @post_status: command error status
- *
- * Return: None
- */
- static
- void dp_reo_cmd_srng_event_record(struct dp_soc *soc,
- enum hal_reo_cmd_type type,
- int post_status)
- {
- struct reo_cmd_event_history *cmd_event_history =
- &soc->stats.cmd_event_history;
- struct reo_cmd_event_record *record = cmd_event_history->cmd_record;
- int record_index;
- record_index = (qdf_atomic_inc_return(&cmd_event_history->index)) &
- (REO_CMD_EVENT_HIST_MAX - 1);
- record[record_index].cmd_type = type;
- record[record_index].cmd_return_status = post_status;
- record[record_index].timestamp = qdf_get_log_timestamp();
- }
- #else
- static inline
- void dp_reo_cmd_srng_event_record(struct dp_soc *soc,
- enum hal_reo_cmd_type type,
- int post_status)
- {
- }
- #endif /*WLAN_FEATURE_DP_EVENT_HISTORY */
- #ifdef DP_UMAC_HW_RESET_SUPPORT
- void dp_pause_reo_send_cmd(struct dp_soc *soc)
- {
- hal_unregister_reo_send_cmd(soc->hal_soc);
- }
- void dp_resume_reo_send_cmd(struct dp_soc *soc)
- {
- hal_register_reo_send_cmd(soc->hal_soc);
- }
- void
- dp_reset_rx_reo_tid_queue(struct dp_soc *soc, void *hw_qdesc_vaddr,
- uint32_t size)
- {
- hal_reset_rx_reo_tid_queue(soc->hal_soc, hw_qdesc_vaddr, size);
- }
- #endif
- QDF_STATUS dp_reo_send_cmd(struct dp_soc *soc, enum hal_reo_cmd_type type,
- struct hal_reo_cmd_params *params,
- void (*callback_fn), void *data)
- {
- struct dp_reo_cmd_info *reo_cmd;
- int num;
- num = hal_reo_send_cmd(soc->hal_soc, soc->reo_cmd_ring.hal_srng, type,
- params);
- if (num < 0)
- return QDF_STATUS_E_INVAL;
- dp_reo_cmd_srng_event_record(soc, type, num);
- if (num < 0) {
- return QDF_STATUS_E_FAILURE;
- }
- if (callback_fn) {
- reo_cmd = qdf_mem_malloc(sizeof(*reo_cmd));
- if (!reo_cmd) {
- dp_err_log("alloc failed for REO cmd:%d!!",
- type);
- return QDF_STATUS_E_NOMEM;
- }
- reo_cmd->cmd = num;
- reo_cmd->cmd_type = type;
- reo_cmd->handler = callback_fn;
- reo_cmd->data = data;
- qdf_spin_lock_bh(&soc->rx.reo_cmd_lock);
- TAILQ_INSERT_TAIL(&soc->rx.reo_cmd_list, reo_cmd,
- reo_cmd_list_elem);
- qdf_spin_unlock_bh(&soc->rx.reo_cmd_lock);
- }
- return QDF_STATUS_SUCCESS;
- }
- uint32_t dp_reo_status_ring_handler(struct dp_intr *int_ctx, struct dp_soc *soc)
- {
- hal_ring_desc_t reo_desc;
- struct dp_reo_cmd_info *reo_cmd = NULL;
- union hal_reo_status reo_status;
- int num;
- int processed_count = 0;
- if (dp_srng_access_start(int_ctx, soc, soc->reo_status_ring.hal_srng)) {
- return processed_count;
- }
- reo_desc = hal_srng_dst_get_next(soc->hal_soc,
- soc->reo_status_ring.hal_srng);
- while (reo_desc) {
- uint16_t tlv = HAL_GET_TLV(reo_desc);
- QDF_STATUS status;
- processed_count++;
- status = hal_reo_status_update(soc->hal_soc,
- reo_desc,
- &reo_status, tlv, &num);
- if (status != QDF_STATUS_SUCCESS)
- goto next;
- qdf_spin_lock_bh(&soc->rx.reo_cmd_lock);
- TAILQ_FOREACH(reo_cmd, &soc->rx.reo_cmd_list,
- reo_cmd_list_elem) {
- if (reo_cmd->cmd == num) {
- TAILQ_REMOVE(&soc->rx.reo_cmd_list, reo_cmd,
- reo_cmd_list_elem);
- break;
- }
- }
- qdf_spin_unlock_bh(&soc->rx.reo_cmd_lock);
- if (reo_cmd) {
- reo_cmd->handler(soc, reo_cmd->data,
- &reo_status);
- qdf_mem_free(reo_cmd);
- }
- next:
- reo_desc = hal_srng_dst_get_next(soc,
- soc->reo_status_ring.hal_srng);
- } /* while */
- dp_srng_access_end(int_ctx, soc, soc->reo_status_ring.hal_srng);
- return processed_count;
- }
- void dp_reo_cmdlist_destroy(struct dp_soc *soc)
- {
- struct dp_reo_cmd_info *reo_cmd = NULL;
- struct dp_reo_cmd_info *tmp_cmd = NULL;
- union hal_reo_status reo_status;
- reo_status.queue_status.header.status =
- HAL_REO_CMD_DRAIN;
- qdf_spin_lock_bh(&soc->rx.reo_cmd_lock);
- TAILQ_FOREACH_SAFE(reo_cmd, &soc->rx.reo_cmd_list,
- reo_cmd_list_elem, tmp_cmd) {
- TAILQ_REMOVE(&soc->rx.reo_cmd_list, reo_cmd,
- reo_cmd_list_elem);
- reo_cmd->handler(soc, reo_cmd->data, &reo_status);
- qdf_mem_free(reo_cmd);
- }
- qdf_spin_unlock_bh(&soc->rx.reo_cmd_lock);
- }
- #ifdef DP_UMAC_HW_RESET_SUPPORT
- void dp_cleanup_reo_cmd_module(struct dp_soc *soc)
- {
- dp_reo_cmdlist_destroy(soc);
- dp_reo_desc_freelist_destroy(soc);
- }
- #endif
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