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iuup: Improve CRC checksum error logging 

Change-Id: I14f2ff14af24f20b788d123c0bfb47aeb0333d19
changes/25/26825/3
Pau Espin 2022-01-10 14:21:19 +01:00 committed by laforge
parent 494282f767
commit 1322755922
1 changed files with 8 additions and 3 deletions
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11
src/gsm/iuup.c
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@ -835,7 +835,7 @@ static int iuup_verify_pdu(const uint8_t *data, unsigned int len)
header_crc_computed = osmo_iuup_compute_header_crc(data, len);
if (iuup_get_hdr_crc(data) != header_crc_computed) {
LOGP(DLIUUP, LOGL_NOTICE, "Checksum error: rx 0x%02x vs exp 0x%02x\n",
LOGP(DLIUUP, LOGL_NOTICE, "Header Checksum error: rx 0x%02x vs exp 0x%02x\n",
iuup_get_hdr_crc(data), header_crc_computed);
return -EIO;
}
@ -849,7 +849,7 @@ static int iuup_verify_pdu(const uint8_t *data, unsigned int len)
payload_crc = ((uint16_t)t0h->payload_crc_hi << 8) | t0h->payload_crc_lo;
payload_crc_computed = osmo_iuup_compute_payload_crc(data, len);
if (payload_crc != payload_crc_computed)
return -EIO;
goto payload_crc_err;
break;
case IUUP_PDU_T_CONTROL:
t14h = (struct iuup_pdutype14_hdr *) data;
@ -857,13 +857,18 @@ static int iuup_verify_pdu(const uint8_t *data, unsigned int len)
payload_crc = ((uint16_t)t14h->payload_crc_hi << 8) | t14h->payload_crc_lo;
payload_crc_computed = osmo_iuup_compute_payload_crc(data, len);
if (payload_crc != payload_crc_computed)
return -EIO;
goto payload_crc_err;
}
break;
default:
return -EINVAL;
}
return 0;
payload_crc_err:
LOGP(DLIUUP, LOGL_NOTICE, "Payload Checksum error (pdu type %u): rx 0x%02x vs exp 0x%02x\n",
pdu_type, payload_crc, payload_crc_computed);
return -EIO;
}
/* A IuUP TNL SAP primitive from transport (lower layer) */