X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=o-du%2Fphy.git;a=blobdiff_plain;f=fapi_5g%2Fsource%2Fapi%2Ffapi2mac%2Fnr5g_fapi_fapi2mac_api.c;fp=fapi_5g%2Fsource%2Fapi%2Ffapi2mac%2Fnr5g_fapi_fapi2mac_api.c;h=9ac28927375d6da785e76b4c7adcb8b63a6b8d5d;hp=0000000000000000000000000000000000000000;hb=9d66fca5c45c8b3e0d6eab6d51a90c8e9d2614dc;hpb=2fbf70096f64af622da983e88c5a64e90ad9bdbd diff --git a/fapi_5g/source/api/fapi2mac/nr5g_fapi_fapi2mac_api.c b/fapi_5g/source/api/fapi2mac/nr5g_fapi_fapi2mac_api.c new file mode 100644 index 0000000..9ac2892 --- /dev/null +++ b/fapi_5g/source/api/fapi2mac/nr5g_fapi_fapi2mac_api.c @@ -0,0 +1,162 @@ +/****************************************************************************** +* +* Copyright (c) 2019 Intel. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +* +*******************************************************************************/ + +/** + * @file This file contains implementation of all the functions used + * to send APIs from FAPI to MAC + * + **/ + +#include +#include "nr5g_fapi_internal.h" +#include "gnb_l1_l2_api.h" +#include "nr5g_fapi_fapi2mac_api.h" +#include "nr5g_fapi_fapi2mac_wls.h" + +static nr5g_fapi_fapi2mac_queue_t fapi2mac_q[FAPI_MAX_PHY_INSTANCES]; + +//------------------------------------------------------------------------------ +/** @ingroup group_source_api_fapi2phy + * + * @param[in] p_list_elem Pointer to the ListElement + * + * @return void + * + * @description This function adds a ListElement API to a Linked list which will + * be sent to L1 once all APIs for a TTI are added + * +**/ +//------------------------------------------------------------------------------ +inline p_nr5g_fapi_fapi2mac_queue_t nr5g_fapi_fapi2mac_queue( + uint8_t phy_id) +{ + return &fapi2mac_q[phy_id]; +} + +//------------------------------------------------------------------------------ +/** @ingroup group_lte_source_phy_fapi + * + * @param[in] pListElem Pointer to the ListElement + * + * @return void + * + * @description This function adds a ListElement API to a Linked list which will + * be sent to L1 once all APIs for a TTI are added + * +**/ +//------------------------------------------------------------------------------ +void nr5g_fapi_fapi2mac_add_api_to_list( + uint8_t phy_id, + p_fapi_api_queue_elem_t p_list_elem) +{ + p_nr5g_fapi_fapi2mac_queue_t queue = NULL; + p_fapi_msg_header_t p_fapi_msg_hdr = NULL; + + if (!p_list_elem) { + return; + } + + queue = nr5g_fapi_fapi2mac_queue(phy_id); + if (queue->p_send_list_head && queue->p_send_list_tail) { + p_fapi_msg_hdr = (p_fapi_msg_header_t) (queue->p_send_list_head + 1); + p_fapi_msg_hdr->num_msg += 1; + queue->p_send_list_tail->p_next = p_list_elem; + queue->p_send_list_tail = p_list_elem; + } else { + queue->p_send_list_head = queue->p_send_list_tail = p_list_elem; + } +} + +//------------------------------------------------------------------------------ +/** @ingroup group_lte_source_phy_fapi + * + * @param A pointer to phy Instance + * + * @return FAPI status + * + * @description This function send API list to L1 + * +**/ +//------------------------------------------------------------------------------ +void nr5g_fapi_fapi2mac_send_api_list( + ) +{ + uint8_t phy_id = 0; + p_fapi_api_queue_elem_t p_commit_list_head = NULL; + p_fapi_api_queue_elem_t p_commit_list_tail = NULL; + p_nr5g_fapi_fapi2mac_queue_t queue = NULL; + + for (phy_id = 0; phy_id < FAPI_MAX_PHY_INSTANCES; phy_id++) { + queue = nr5g_fapi_fapi2mac_queue(phy_id); + if (queue->p_send_list_head && queue->p_send_list_tail) { + if (p_commit_list_head && p_commit_list_tail) { + p_commit_list_tail->p_next = queue->p_send_list_head; + p_commit_list_tail = queue->p_send_list_tail; + } else { + p_commit_list_head = queue->p_send_list_head; + p_commit_list_tail = queue->p_send_list_tail; + } + queue->p_send_list_head = queue->p_send_list_tail = NULL; + } + } + + if (p_commit_list_head) + nr5g_fapi_fapi2mac_wls_send(p_commit_list_head); +} + +//------------------------------------------------------------------------------ +/** @ingroup group_lte_source_phy_fapi + * + * @param[in] phyInstance PhyInstance Id + * @param[in] NumMessageInBlock Number of Messages in Block + * @param[in] AlignOffset Align Offset + * @param[in] MsgType Message Type + * @param[in] FrameNum Frame Number + * @param[in] subFrameNum subframe Number + * + * @return Pointer to the List Element structure + * + * @description This function allocates a buffer from shared memory WLS + * interface and creates a List Element structures. It then fills + * all the fields with data being passed in. + * +**/ +//------------------------------------------------------------------------------ +p_fapi_api_queue_elem_t nr5g_fapi_fapi2mac_create_api_list_elem( + uint32_t msg_type, + uint16_t num_message_in_block, + uint32_t align_offset) +{ + p_fapi_api_queue_elem_t p_list_elem = NULL; + + p_list_elem = (p_fapi_api_queue_elem_t) + nr5g_fapi_fapi2mac_wls_alloc_buffer(); + //Fill header for link list of API messages + if (p_list_elem) { + p_list_elem->msg_type = (uint8_t) msg_type; + p_list_elem->num_message_in_block = num_message_in_block; + p_list_elem->align_offset = (uint16_t) align_offset; + p_list_elem->msg_len = num_message_in_block * align_offset; + p_list_elem->p_next = NULL; + p_list_elem->p_tx_data_elm_list = NULL; + p_list_elem->time_stamp = 0; + } + + return p_list_elem; +} +