1 /* 2 * Copyright (c) 2017-2018 The Linux Foundation. All rights reserved. 3 * 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 19 #ifndef _TARGET_IF_DIRECT_BUF_RX_API_H_ 20 #define _TARGET_IF_DIRECT_BUF_RX_API_H_ 21 22 #include "qdf_nbuf.h" 23 #include "qdf_atomic.h" 24 #include "wmi_unified_api.h" 25 26 #define direct_buf_rx_alert(params...) \ 27 QDF_TRACE_FATAL(QDF_MODULE_ID_DIRECT_BUF_RX, params) 28 #define direct_buf_rx_err(params...) \ 29 QDF_TRACE_ERROR(QDF_MODULE_ID_DIRECT_BUF_RX, params) 30 #define direct_buf_rx_warn(params...) \ 31 QDF_TRACE_WARN(QDF_MODULE_ID_DIRECT_BUF_RX, params) 32 #define direct_buf_rx_notice(params...) \ 33 QDF_TRACE_INFO(QDF_MODULE_ID_DIRECT_BUF_RX, params) 34 #define direct_buf_rx_info(params...) \ 35 QDF_TRACE_INFO(QDF_MODULE_ID_DIRECT_BUF_RX, params) 36 #define direct_buf_rx_debug(params...) \ 37 QDF_TRACE_DEBUG(QDF_MODULE_ID_DIRECT_BUF_RX, params) 38 #define direct_buf_rx_enter() \ 39 QDF_TRACE_ENTER(QDF_MODULE_ID_DIRECT_BUF_RX, "enter") 40 #define direct_buf_rx_exit() \ 41 QDF_TRACE_EXIT(QDF_MODULE_ID_DIRECT_BUF_RX, "exit") 42 43 #define directbuf_nofl_alert(params...) \ 44 QDF_TRACE_FATAL_NO_FL(QDF_MODULE_ID_DIRECT_BUF_RX, params) 45 #define directbuf_nofl_err(params...) \ 46 QDF_TRACE_ERROR_NO_FL(QDF_MODULE_ID_DIRECT_BUF_RX, params) 47 #define directbuf_nofl_warn(params...) \ 48 QDF_TRACE_WARN_NO_FL(QDF_MODULE_ID_DIRECT_BUF_RX, params) 49 #define directbuf_nofl_info(params...) \ 50 QDF_TRACE_INFO_NO_FL(QDF_MODULE_ID_DIRECT_BUF_RX, params) 51 #define directbuf_nofl_debug(params...) \ 52 QDF_TRACE_DEBUG_NO_FL(QDF_MODULE_ID_DIRECT_BUF_RX, params) 53 54 #define DBR_MAX_CHAINS (8) 55 56 struct wlan_objmgr_psoc; 57 struct wlan_lmac_if_tx_ops; 58 59 /** 60 * struct direct_buf_rx_data - direct buffer rx data 61 * @dbr_len: Length of the buffer DMAed 62 * @vaddr: Virtual address of the buffer that has DMAed data 63 * @meta_data_valid: Indicates that metadata is valid 64 * @meta_data: Meta data 65 */ 66 struct direct_buf_rx_data { 67 size_t dbr_len; 68 void *vaddr; 69 bool meta_data_valid; 70 struct direct_buf_rx_metadata meta_data; 71 }; 72 73 /** 74 * direct_buf_rx_init() - Function to initialize direct buf rx module 75 * 76 * Return: QDF status of operation 77 */ 78 QDF_STATUS direct_buf_rx_init(void); 79 80 /** 81 * direct_buf_rx_deinit() - Function to deinitialize direct buf rx module 82 * 83 * Return: QDF status of operation 84 */ 85 QDF_STATUS direct_buf_rx_deinit(void); 86 87 /** 88 * direct_buf_rx_target_attach() - Attach hal_soc,osdev in direct buf rx psoc obj 89 * @psoc: pointer to psoc object 90 * @hal_soc: Opaque HAL SOC handle 91 * @osdev: QDF os device handle 92 * 93 * Return: QDF status of operation 94 */ 95 QDF_STATUS direct_buf_rx_target_attach(struct wlan_objmgr_psoc *psoc, 96 void *hal_soc, qdf_device_t osdev); 97 98 /** 99 * target_if_direct_buf_rx_register_tx_ops() - Register tx ops for direct buffer 100 * rx module 101 * @tx_ops: pointer to lmac interface tx ops 102 * 103 * Return: None 104 */ 105 void target_if_direct_buf_rx_register_tx_ops( 106 struct wlan_lmac_if_tx_ops *tx_ops); 107 108 #endif /* _TARGET_IF_DIRECT_BUF_RX_API_H_ */ 109