| /* |
| * Copyright (c) 2016-2019 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. |
| */ |
| |
| /** |
| * @file cdp_txrx_flow_ctrl_v2.h |
| * @brief Define the host data path flow control version 2 API |
| * functions |
| */ |
| #ifndef _CDP_TXRX_FC_V2_H_ |
| #define _CDP_TXRX_FC_V2_H_ |
| #include <cdp_txrx_ops.h> |
| |
| /** |
| * cdp_register_pause_cb() - Register flow control callback function pointer |
| * @soc - data path soc handle |
| * @pause_cb - Pause callback intend to register |
| * |
| * Register flow control callback function pointer and client context pointer |
| * |
| * return QDF_STATUS_SUCCESS success |
| */ |
| static inline QDF_STATUS |
| cdp_register_pause_cb(ol_txrx_soc_handle soc, |
| tx_pause_callback pause_cb) |
| { |
| if (!soc || !soc->ops) { |
| QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG, |
| "%s invalid instance", __func__); |
| QDF_BUG(0); |
| return QDF_STATUS_E_INVAL; |
| } |
| |
| if (!soc->ops->flowctl_ops || |
| !soc->ops->flowctl_ops->register_pause_cb) |
| return QDF_STATUS_SUCCESS; |
| |
| return soc->ops->flowctl_ops->register_pause_cb(soc, pause_cb); |
| |
| } |
| |
| /** |
| * cdp_set_desc_global_pool_size() - set global device pool size |
| * @soc - data path soc handle |
| * @num_msdu_desc - descriptor pool size |
| * |
| * set global device pool size |
| * |
| * return none |
| */ |
| static inline void |
| cdp_set_desc_global_pool_size(ol_txrx_soc_handle soc, |
| uint32_t num_msdu_desc) |
| { |
| if (!soc || !soc->ops) { |
| QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG, |
| "%s invalid instance", __func__); |
| QDF_BUG(0); |
| return; |
| } |
| |
| if (!soc->ops->flowctl_ops || |
| !soc->ops->flowctl_ops->set_desc_global_pool_size) |
| return; |
| |
| soc->ops->flowctl_ops->set_desc_global_pool_size( |
| num_msdu_desc); |
| } |
| |
| /** |
| * cdp_dump_flow_pool_info() - dump flow pool information |
| * @soc - data path soc handle |
| * |
| * dump flow pool information |
| * |
| * return none |
| */ |
| static inline void |
| cdp_dump_flow_pool_info(struct cdp_soc_t *soc) |
| { |
| if (!soc || !soc->ops) { |
| QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG, |
| "%s invalid instance", __func__); |
| QDF_BUG(0); |
| return; |
| } |
| |
| if (!soc->ops->flowctl_ops || |
| !soc->ops->flowctl_ops->dump_flow_pool_info) |
| return; |
| |
| soc->ops->flowctl_ops->dump_flow_pool_info(soc); |
| } |
| |
| /** |
| * cdp_tx_desc_thresh_reached() - Check if avail tx desc meet threshold |
| * @soc: data path soc handle |
| * @vdev_id: vdev_id corresponding to vdev start |
| * |
| * Return: true if threshold is met, false if not |
| */ |
| static inline bool |
| cdp_tx_desc_thresh_reached(struct cdp_soc_t *soc, uint8_t vdev_id) |
| { |
| if (!soc || !soc->ops) { |
| QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG, |
| "%s invalid instance", __func__); |
| QDF_BUG(0); |
| return false; |
| } |
| |
| if (!soc->ops->flowctl_ops || |
| !soc->ops->flowctl_ops->tx_desc_thresh_reached) |
| return false; |
| |
| return soc->ops->flowctl_ops->tx_desc_thresh_reached(soc, vdev_id); |
| } |
| #endif /* _CDP_TXRX_FC_V2_H_ */ |