Dhanashri Atre | 9c222b1 | 2016-03-22 13:26:13 -0700 | [diff] [blame] | 1 | /* |
Rakesh Pillai | dce0137 | 2019-06-28 19:11:23 +0530 | [diff] [blame] | 2 | * Copyright (c) 2016-2019 The Linux Foundation. All rights reserved. |
Dhanashri Atre | 9c222b1 | 2016-03-22 13:26:13 -0700 | [diff] [blame] | 3 | * |
Dhanashri Atre | 9c222b1 | 2016-03-22 13:26:13 -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 | |
Yun Park | 3e66598 | 2017-04-03 08:37:57 -0700 | [diff] [blame] | 19 | /** |
Dhanashri Atre | 9c222b1 | 2016-03-22 13:26:13 -0700 | [diff] [blame] | 20 | * @file cdp_txrx_flow_ctrl_v2.h |
| 21 | * @brief Define the host data path flow control version 2 API |
| 22 | * functions |
| 23 | */ |
| 24 | #ifndef _CDP_TXRX_FC_V2_H_ |
| 25 | #define _CDP_TXRX_FC_V2_H_ |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 26 | #include <cdp_txrx_ops.h> |
Dhanashri Atre | 9c222b1 | 2016-03-22 13:26:13 -0700 | [diff] [blame] | 27 | |
| 28 | /** |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 29 | * cdp_register_pause_cb() - Register flow control callback function pointer |
| 30 | * @soc - data path soc handle |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 31 | * @pause_cb - Pause callback intend to register |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 32 | * |
| 33 | * Register flow control callback function pointer and client context pointer |
| 34 | * |
| 35 | * return QDF_STATUS_SUCCESS success |
Dhanashri Atre | 9c222b1 | 2016-03-22 13:26:13 -0700 | [diff] [blame] | 36 | */ |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 37 | static inline QDF_STATUS |
| 38 | cdp_register_pause_cb(ol_txrx_soc_handle soc, |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 39 | tx_pause_callback pause_cb) |
Dhanashri Atre | 9c222b1 | 2016-03-22 13:26:13 -0700 | [diff] [blame] | 40 | { |
Venkata Sharath Chandra Manchala | aa62ae7 | 2017-10-20 00:00:54 -0700 | [diff] [blame] | 41 | if (!soc || !soc->ops) { |
| 42 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG, |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 43 | "%s invalid instance", __func__); |
Venkata Sharath Chandra Manchala | aa62ae7 | 2017-10-20 00:00:54 -0700 | [diff] [blame] | 44 | QDF_BUG(0); |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 45 | return QDF_STATUS_E_INVAL; |
| 46 | } |
Dhanashri Atre | 9c222b1 | 2016-03-22 13:26:13 -0700 | [diff] [blame] | 47 | |
Venkata Sharath Chandra Manchala | aa62ae7 | 2017-10-20 00:00:54 -0700 | [diff] [blame] | 48 | if (!soc->ops->flowctl_ops || |
| 49 | !soc->ops->flowctl_ops->register_pause_cb) |
| 50 | return QDF_STATUS_SUCCESS; |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 51 | |
Venkata Sharath Chandra Manchala | aa62ae7 | 2017-10-20 00:00:54 -0700 | [diff] [blame] | 52 | return soc->ops->flowctl_ops->register_pause_cb(soc, pause_cb); |
| 53 | |
Dhanashri Atre | 9c222b1 | 2016-03-22 13:26:13 -0700 | [diff] [blame] | 54 | } |
| 55 | |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 56 | /** |
| 57 | * cdp_set_desc_global_pool_size() - set global device pool size |
| 58 | * @soc - data path soc handle |
| 59 | * @num_msdu_desc - descriptor pool size |
| 60 | * |
| 61 | * set global device pool size |
| 62 | * |
| 63 | * return none |
| 64 | */ |
| 65 | static inline void |
| 66 | cdp_set_desc_global_pool_size(ol_txrx_soc_handle soc, |
| 67 | uint32_t num_msdu_desc) |
Dhanashri Atre | 9c222b1 | 2016-03-22 13:26:13 -0700 | [diff] [blame] | 68 | { |
Venkata Sharath Chandra Manchala | aa62ae7 | 2017-10-20 00:00:54 -0700 | [diff] [blame] | 69 | if (!soc || !soc->ops) { |
| 70 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG, |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 71 | "%s invalid instance", __func__); |
Venkata Sharath Chandra Manchala | aa62ae7 | 2017-10-20 00:00:54 -0700 | [diff] [blame] | 72 | QDF_BUG(0); |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 73 | return; |
| 74 | } |
| 75 | |
Venkata Sharath Chandra Manchala | aa62ae7 | 2017-10-20 00:00:54 -0700 | [diff] [blame] | 76 | if (!soc->ops->flowctl_ops || |
| 77 | !soc->ops->flowctl_ops->set_desc_global_pool_size) |
| 78 | return; |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 79 | |
Venkata Sharath Chandra Manchala | aa62ae7 | 2017-10-20 00:00:54 -0700 | [diff] [blame] | 80 | soc->ops->flowctl_ops->set_desc_global_pool_size( |
| 81 | num_msdu_desc); |
Dhanashri Atre | 9c222b1 | 2016-03-22 13:26:13 -0700 | [diff] [blame] | 82 | } |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 83 | |
| 84 | /** |
| 85 | * cdp_dump_flow_pool_info() - dump flow pool information |
| 86 | * @soc - data path soc handle |
| 87 | * |
| 88 | * dump flow pool information |
| 89 | * |
| 90 | * return none |
| 91 | */ |
| 92 | static inline void |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 93 | cdp_dump_flow_pool_info(struct cdp_soc_t *soc) |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 94 | { |
Venkata Sharath Chandra Manchala | aa62ae7 | 2017-10-20 00:00:54 -0700 | [diff] [blame] | 95 | if (!soc || !soc->ops) { |
| 96 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG, |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 97 | "%s invalid instance", __func__); |
Venkata Sharath Chandra Manchala | aa62ae7 | 2017-10-20 00:00:54 -0700 | [diff] [blame] | 98 | QDF_BUG(0); |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 99 | return; |
| 100 | } |
| 101 | |
Venkata Sharath Chandra Manchala | aa62ae7 | 2017-10-20 00:00:54 -0700 | [diff] [blame] | 102 | if (!soc->ops->flowctl_ops || |
| 103 | !soc->ops->flowctl_ops->dump_flow_pool_info) |
| 104 | return; |
Manjunathappa Prakash | ced7ea6 | 2017-07-02 03:02:15 -0700 | [diff] [blame] | 105 | |
Rakesh Pillai | dce0137 | 2019-06-28 19:11:23 +0530 | [diff] [blame] | 106 | soc->ops->flowctl_ops->dump_flow_pool_info(soc); |
Leo Chang | db6358c | 2016-09-27 17:00:52 -0700 | [diff] [blame] | 107 | } |
Sravan Kumar Kairam | b75565e | 2018-12-17 17:55:44 +0530 | [diff] [blame] | 108 | |
| 109 | /** |
| 110 | * cdp_tx_desc_thresh_reached() - Check if avail tx desc meet threshold |
Rakesh Pillai | dce0137 | 2019-06-28 19:11:23 +0530 | [diff] [blame] | 111 | * @soc: data path soc handle |
| 112 | * @vdev_id: vdev_id corresponding to vdev start |
Sravan Kumar Kairam | b75565e | 2018-12-17 17:55:44 +0530 | [diff] [blame] | 113 | * |
| 114 | * Return: true if threshold is met, false if not |
| 115 | */ |
| 116 | static inline bool |
Rakesh Pillai | dce0137 | 2019-06-28 19:11:23 +0530 | [diff] [blame] | 117 | cdp_tx_desc_thresh_reached(struct cdp_soc_t *soc, uint8_t vdev_id) |
Sravan Kumar Kairam | b75565e | 2018-12-17 17:55:44 +0530 | [diff] [blame] | 118 | { |
| 119 | if (!soc || !soc->ops) { |
| 120 | QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG, |
| 121 | "%s invalid instance", __func__); |
| 122 | QDF_BUG(0); |
| 123 | return false; |
| 124 | } |
| 125 | |
| 126 | if (!soc->ops->flowctl_ops || |
| 127 | !soc->ops->flowctl_ops->tx_desc_thresh_reached) |
| 128 | return false; |
| 129 | |
Rakesh Pillai | dce0137 | 2019-06-28 19:11:23 +0530 | [diff] [blame] | 130 | return soc->ops->flowctl_ops->tx_desc_thresh_reached(soc, vdev_id); |
Sravan Kumar Kairam | b75565e | 2018-12-17 17:55:44 +0530 | [diff] [blame] | 131 | } |
Dhanashri Atre | 9c222b1 | 2016-03-22 13:26:13 -0700 | [diff] [blame] | 132 | #endif /* _CDP_TXRX_FC_V2_H_ */ |