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nrLDPC_coding_t2 fix: use rte_pktmbuf_mtod_offset() to consider offset when accessing output data

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This commit is contained in:
Thomas Schlichter
2025-05-20 08:51:37 +00:00
parent 944ac15ab5
commit c3d0b2db5c
1 changed files with 4 additions and 4 deletions
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openair1/PHY/CODING/nrLDPC_coding/nrLDPC_coding_t2/nrLDPC_coding_t2.c
+4 -4
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@@ -552,7 +552,7 @@ static int retrieve_ldpc_dec_op(struct rte_bbdev_dec_op **ops, nrLDPC_slot_decod
struct rte_bbdev_op_data *hard_output;
uint16_t data_len = 0;
struct rte_mbuf *m;
char *data;
uint8_t *data;
unsigned int h;
unsigned int i;
unsigned int j = 0;
@@ -561,8 +561,8 @@ static int retrieve_ldpc_dec_op(struct rte_bbdev_dec_op **ops, nrLDPC_slot_decod
hard_output = &ops[j]->ldpc_dec.hard_output;
m = hard_output->data;
data_len = rte_pktmbuf_data_len(m) - hard_output->offset;
data = m->buf_addr;
memcpy(nrLDPC_slot_decoding_parameters->TBs[h].segments[i].c, data + m->data_off, data_len);
data = rte_pktmbuf_mtod_offset(m, uint8_t *, hard_output->offset);
memcpy(nrLDPC_slot_decoding_parameters->TBs[h].segments[i].c, data, data_len);
++j;
}
}
@@ -584,7 +584,7 @@ retrieve_ldpc_enc_op(struct rte_bbdev_enc_op **ops,
struct rte_bbdev_op_data *output = &ops[j]->ldpc_enc.output;
struct rte_mbuf *m = output->data;
uint16_t data_len = rte_pktmbuf_data_len(m) - output->offset;
uint8_t *data = m->buf_addr + m->data_off;
uint8_t *data = rte_pktmbuf_mtod_offset(m, uint8_t *, output->offset);
reverse_bits_u8(data, data_len, data);
if (bit_offset == 0) {
memcpy(&p_out[byte_offset], data, data_len);