fhi_lib/test/test_xran/u_plane_functional.cc

   1 /******************************************************************************
   2 *
   3 *   Copyright (c) 2019 Intel.
   4 *
   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
   8 *
   9 *       http://www.apache.org/licenses/LICENSE-2.0
  10 *
  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.
  16 *
  17 *******************************************************************************/
  18
  19 #include "common.hpp"
  20 #include "xran_common.h"
  21 #include "xran_up_api.h"
  22 #include "xran_fh_o_du.h"
  23 #include "ethernet.h"
  24
  25 #include <stdint.h>
  26
  27 const std::string module_name = "u-plane";
  28
  29 class U_planeCheck : public KernelTests
  30 {
  31 protected:
  32     struct rte_mbuf *test_buffer;
  33     char * iq_offset;
  34     struct rte_mempool *test_eth_mbuf_pool;
  35
  36     void SetUp() override
  37     {
  38         init_test("u_plane_functional");
  39         test_buffer = (struct rte_mbuf*)rte_pktmbuf_alloc(_eth_mbuf_pool);
  40
  41         if(test_buffer == NULL) {
  42             std::cout << __func__ << ":" << __LINE__ << " Failed to allocatte a packet buffer!" << std::endl;
  43             return;
  44         }
  45         iq_offset = rte_pktmbuf_mtod(test_buffer, char * );
  46         iq_offset = iq_offset + sizeof(struct rte_ether_hdr) +
  47                                     sizeof (struct xran_ecpri_hdr) +
  48                                     sizeof (struct radio_app_common_hdr) +
  49                                     sizeof(struct data_section_hdr);
  50     }
  51
  52     /* It's called after an execution of the each test case.*/
  53     void TearDown() override
  54     {
  55         rte_pktmbuf_free(test_buffer);
  56     }
  57 };
  58
  59 /* simple test of DL and UL functionality */
  60 TEST_P(U_planeCheck, Test_DLUL)
  61 {
  62     enum xran_pkt_dir direction =  XRAN_DIR_DL;
  63     uint16_t section_id = 7;
  64     enum xran_input_byte_order iq_buf_byte_order = XRAN_CPU_LE_BYTE_ORDER;
  65     uint8_t frame_id = 99;
  66     uint8_t subframe_id  = 9;
  67     uint8_t slot_id = 10;
  68     uint8_t symbol_no = 7;
  69     int prb_start = 0;
  70     int prb_num = 66;
  71     uint8_t CC_ID = 0;
  72     uint8_t RU_Port_ID = 0;
  73     uint8_t seq_id =0;
  74     uint32_t do_copy = 0;
  75     uint8_t compMeth = 0;
  76     uint8_t iqWidth =  16;
  77
  78     int32_t prep_bytes;
  79     struct xran_ecpri_hdr *ecpri_hdr = NULL;
  80     struct radio_app_common_hdr *app_hdr = NULL;
  81     struct data_section_hdr *section_hdr = NULL;
  82
  83     char *pChar = NULL;
  84     uint16_t payl_size = 0;
  85     struct data_section_hdr res_sect;
  86
  87     prep_bytes = prepare_symbol_ex(direction,
  88                                 section_id,
  89                                 test_buffer,
  90                                 (struct rb_map *)iq_offset,
  91                                 compMeth,
  92                                 iqWidth,
  93                                 iq_buf_byte_order,
  94                                 frame_id,
  95                                 subframe_id,
  96                                 slot_id,
  97                                 symbol_no,
  98                                 prb_start,
  99                                 prb_num,
 100                                 CC_ID,
 101                                 RU_Port_ID,
 102                                 seq_id,
 103                                 do_copy);
 104
 105     ASSERT_EQ(prep_bytes, 3168);
 106
 107     pChar = rte_pktmbuf_mtod(test_buffer, char*);
 108
 109     ecpri_hdr = (struct xran_ecpri_hdr *)(pChar + sizeof(struct rte_ether_hdr));
 110     app_hdr = (struct radio_app_common_hdr *)(pChar + sizeof(struct rte_ether_hdr)
 111                                               + sizeof (struct xran_ecpri_hdr));
 112     section_hdr = (struct data_section_hdr *)(pChar + sizeof(struct rte_ether_hdr) +
 113                                             sizeof (struct xran_ecpri_hdr) +
 114                                             sizeof(struct radio_app_common_hdr));
 115
 116     ASSERT_EQ (ecpri_hdr->cmnhdr.ecpri_mesg_type,  ECPRI_IQ_DATA);
 117     payl_size =  rte_be_to_cpu_16(ecpri_hdr->cmnhdr.ecpri_payl_size);
 118     ASSERT_EQ (payl_size,  3180);
 119
 120     ASSERT_EQ(app_hdr->data_direction, direction);
 121     ASSERT_EQ(app_hdr->frame_id, frame_id);
 122
 123     res_sect.fields.all_bits = rte_be_to_cpu_32(section_hdr->fields.all_bits);
 124     ASSERT_EQ(res_sect.fields.num_prbu, prb_num);
 125     ASSERT_EQ(res_sect.fields.sect_id, section_id);
 126
 127     {
 128         /* UL direction */
 129         void *iq_samp_buf;
 130         struct ecpri_seq_id seq;
 131         int num_bytes = 0;
 132
 133         uint8_t CC_ID = 0;
 134         uint8_t Ant_ID = 0;
 135         uint8_t frame_id = 0;
 136         uint8_t subframe_id = 0;
 137         uint8_t slot_id = 0;
 138         uint8_t symb_id = 0;
 139
 140         uint8_t compMeth = 0;
 141         uint8_t iqWidth = 0;
 142
 143
 144         uint16_t num_prbu;
 145         uint16_t start_prbu;
 146         uint16_t sym_inc;
 147         uint16_t rb;
 148         uint16_t sect_id;
 149
 150         int32_t prep_bytes;
 151
 152         char *pChar = NULL;
 153
 154
 155         num_bytes = xran_extract_iq_samples(test_buffer,
 156                                 &iq_samp_buf,
 157                                 &CC_ID,
 158                                 &Ant_ID,
 159                                 &frame_id,
 160                                 &subframe_id,
 161                                 &slot_id,
 162                                 &symb_id,
 163                                 &seq,
 164                                 &num_prbu,
 165                                 &start_prbu,
 166                                 &sym_inc,
 167                                 &rb,
 168                                 &sect_id,
 169                                 0,
 170                                 &compMeth,
 171                                 &iqWidth);
 172
 173         ASSERT_EQ(num_bytes, 3182);
 174         ASSERT_EQ(prb_num, 66);
 175         ASSERT_EQ(CC_ID, 0);
 176     }
 177 }
 178
 179 INSTANTIATE_TEST_CASE_P(UnitTest, U_planeCheck,
 180                         testing::ValuesIn(get_sequence(U_planeCheck::get_number_of_cases("u_plane_functional"))));
 181
 182