diff options
Diffstat (limited to 'src/coding')
| -rw-r--r-- | src/coding/gsm0503_coding.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/coding/gsm0503_coding.c b/src/coding/gsm0503_coding.c index 30ec387b..baf1ce15 100644 --- a/src/coding/gsm0503_coding.c +++ b/src/coding/gsm0503_coding.c @@ -24,6 +24,7 @@ #include <stdint.h> #include <string.h> #include <stdlib.h> +#include <errno.h> #include <osmocom/core/bits.h> #include <osmocom/core/conv.h> @@ -820,15 +821,17 @@ int gsm0503_pdtch_egprs_decode(uint8_t *l2_data, sbit_t *bursts, uint16_t nbits, if ((nbits != GSM0503_GPRS_BURSTS_NBITS) && (nbits != GSM0503_EGPRS_BURSTS_NBITS)) { /* Invalid EGPRS bit length */ - return -1; + return -EOVERFLOW; } hdr = (union gprs_rlc_ul_hdr_egprs *) l2_data; type = egprs_decode_hdr(hdr, bursts, nbits); if (egprs_parse_ul_cps(&cps, hdr, type) < 0) - return -1; + return -EIO; switch (cps.mcs) { + case EGPRS_MCS0: + return -ENOTSUP; case EGPRS_MCS1: case EGPRS_MCS2: case EGPRS_MCS3: @@ -846,7 +849,7 @@ int gsm0503_pdtch_egprs_decode(uint8_t *l2_data, sbit_t *bursts, uint16_t nbits, break; default: /* Invalid MCS-X */ - return -1; + return -EINVAL; } /* Decode MCS-X block, where X = cps.mcs */ @@ -854,19 +857,19 @@ int gsm0503_pdtch_egprs_decode(uint8_t *l2_data, sbit_t *bursts, uint16_t nbits, rc = egprs_decode_data(l2_data, dc, cps.mcs, cps.p[0], 0, n_errors, n_bits_total); if (rc < 0) - return -1; + return -EFAULT; } else { /* MCS-7,8,9 block 1 */ rc = egprs_decode_data(l2_data, c1, cps.mcs, cps.p[0], 0, n_errors, n_bits_total); if (rc < 0) - return -1; + return -EFAULT; /* MCS-7,8,9 block 2 */ rc = egprs_decode_data(l2_data, c2, cps.mcs, cps.p[1], 1, n_errors, n_bits_total); if (rc < 0) - return -1; + return -EFAULT; } return rc; |