1 /******************************************************************************
3 * Copyright (c) 2021 Intel.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 *******************************************************************************/
20 * @file This file contains implementation of all the functions used
21 * to send APIs from FAPI to MAC
26 #include "nr5g_fapi_internal.h"
27 #include "nr5g_fapi_fapi2mac_api.h"
28 #include "nr5g_fapi_fapi2mac_wls.h"
29 #include "nr5g_fapi_log.h"
31 static nr5g_fapi_fapi2mac_queue_t fapi2mac_q[FAPI_MAX_PHY_INSTANCES];
32 static nr5g_fapi_fapi2mac_queue_t fapi2mac_urllc_q[FAPI_MAX_PHY_INSTANCES];
35 //------------------------------------------------------------------------------
36 /** @ingroup group_source_api_fapi2phy
38 * @param[in] phy_id Value of phy_id.
39 * @param[in] is_urllc True for urllc, false otherwise.
41 * @return Pointer to fapi2mac api queue.
43 * @description This function access proper instance of fapi2mac queue.
46 //------------------------------------------------------------------------------
47 static inline p_nr5g_fapi_fapi2mac_queue_t nr5g_fapi_fapi2mac_queue(
51 return is_urllc ? &fapi2mac_urllc_q[phy_id] : &fapi2mac_q[phy_id];
54 //------------------------------------------------------------------------------
55 /** @ingroup group_lte_source_phy_fapi
57 * @param[in] pListElem Pointer to the ListElement
61 * @description This function adds a ListElement API to a Linked list which will
62 * be sent to L1 once all APIs for a TTI are added
65 //------------------------------------------------------------------------------
66 void nr5g_fapi_fapi2mac_add_api_to_list(
68 p_fapi_api_queue_elem_t p_list_elem,
71 p_nr5g_fapi_fapi2mac_queue_t queue = NULL;
72 p_fapi_msg_header_t p_fapi_msg_hdr = NULL;
78 queue = nr5g_fapi_fapi2mac_queue(phy_id, is_urllc);
79 if (pthread_mutex_lock((pthread_mutex_t *) & queue->lock)) {
80 NR5G_FAPI_LOG(ERROR_LOG, ("unable to lock fapi2mac aggregate list"
84 if (queue->p_send_list_head && queue->p_send_list_tail) {
85 p_fapi_msg_hdr = (p_fapi_msg_header_t) (queue->p_send_list_head + 1);
86 p_fapi_msg_hdr->num_msg += 1;
87 queue->p_send_list_tail->p_next = p_list_elem;
88 queue->p_send_list_tail = p_list_elem;
90 queue->p_send_list_head = queue->p_send_list_tail = p_list_elem;
92 if (pthread_mutex_unlock((pthread_mutex_t *) & queue->lock)) {
93 NR5G_FAPI_LOG(ERROR_LOG, ("unable to unlock fapi2mac aggregate list"
99 //------------------------------------------------------------------------------
100 /** @ingroup group_lte_source_phy_fapi
102 * @param A pointer to phy Instance
104 * @return FAPI status
106 * @description This function send API list to L1
109 //------------------------------------------------------------------------------
110 void nr5g_fapi_fapi2mac_send_api_list(
114 p_fapi_msg_header_t p_fapi_msg_hdr = NULL;
115 p_fapi_api_queue_elem_t p_commit_list_head = NULL;
116 p_fapi_api_queue_elem_t p_commit_list_tail = NULL;
117 p_nr5g_fapi_fapi2mac_queue_t queue = NULL;
119 for (phy_id = 0; phy_id < FAPI_MAX_PHY_INSTANCES; phy_id++) {
120 queue = nr5g_fapi_fapi2mac_queue(phy_id, is_urllc);
121 if (pthread_mutex_lock((pthread_mutex_t *) & queue->lock)) {
122 NR5G_FAPI_LOG(ERROR_LOG, ("unable to lock fapi2mac aggregate list"
126 if (queue->p_send_list_head && queue->p_send_list_tail) {
128 (p_fapi_msg_header_t) (queue->p_send_list_head + 1);
129 if (p_fapi_msg_hdr->num_msg) {
130 if (p_commit_list_head && p_commit_list_tail) {
131 p_commit_list_tail->p_next = queue->p_send_list_head;
132 p_commit_list_tail = queue->p_send_list_tail;
134 p_commit_list_head = queue->p_send_list_head;
135 p_commit_list_tail = queue->p_send_list_tail;
138 nr5g_fapi_fapi2mac_wls_free_buffer((void *)
139 queue->p_send_list_head);
141 queue->p_send_list_head = queue->p_send_list_tail = NULL;
143 if (pthread_mutex_unlock((pthread_mutex_t *) & queue->lock)) {
144 NR5G_FAPI_LOG(ERROR_LOG, ("unable to unlock fapi2mac aggregate list"
150 if (p_commit_list_head)
151 nr5g_fapi_fapi2mac_wls_send(p_commit_list_head, is_urllc);
154 //------------------------------------------------------------------------------
155 /** @ingroup group_lte_source_phy_fapi
157 * @param[in] phyInstance PhyInstance Id
158 * @param[in] NumMessageInBlock Number of Messages in Block
159 * @param[in] AlignOffset Align Offset
160 * @param[in] MsgType Message Type
161 * @param[in] FrameNum Frame Number
162 * @param[in] subFrameNum subframe Number
164 * @return Pointer to the List Element structure
166 * @description This function allocates a buffer from shared memory WLS
167 * interface and creates a List Element structures. It then fills
168 * all the fields with data being passed in.
171 //------------------------------------------------------------------------------
172 p_fapi_api_queue_elem_t nr5g_fapi_fapi2mac_create_api_list_elem(
174 uint16_t num_message_in_block,
175 uint32_t align_offset)
177 p_fapi_api_queue_elem_t p_list_elem = NULL;
179 p_list_elem = (p_fapi_api_queue_elem_t)
180 nr5g_fapi_fapi2mac_wls_alloc_buffer();
181 //Fill header for link list of API messages
183 p_list_elem->msg_type = (uint8_t) msg_type;
184 p_list_elem->num_message_in_block = num_message_in_block;
185 p_list_elem->align_offset = (uint16_t) align_offset;
186 p_list_elem->msg_len = num_message_in_block * align_offset;
187 p_list_elem->p_next = NULL;
188 p_list_elem->p_tx_data_elm_list = NULL;
189 p_list_elem->time_stamp = 0;
195 //------------------------------------------------------------------------------
196 /** @ingroup group_lte_source_phy_fapi
200 * @description This function initializes the pthead_mutext_lock.
202 void nr5g_fapi_fapi2mac_init_api_list(
206 p_nr5g_fapi_fapi2mac_queue_t queue = NULL;
208 for (phy_id = 0; phy_id < FAPI_MAX_PHY_INSTANCES; phy_id++) {
209 queue = nr5g_fapi_fapi2mac_queue(phy_id, false);
210 pthread_mutex_init((pthread_mutex_t *) & queue->lock, NULL);
211 queue = nr5g_fapi_fapi2mac_queue(phy_id, true);
212 pthread_mutex_init((pthread_mutex_t *) & queue->lock, NULL);