diff options
Diffstat (limited to 'openbsc/src/libabis/input/lapd.h')
| -rw-r--r-- | openbsc/src/libabis/input/lapd.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/openbsc/src/libabis/input/lapd.h b/openbsc/src/libabis/input/lapd.h index fb980d104..dd22028ab 100644 --- a/openbsc/src/libabis/input/lapd.h +++ b/openbsc/src/libabis/input/lapd.h @@ -26,8 +26,20 @@ struct lapd_instance { struct llist_head tei_list; /* list of TEI in this LAPD instance */ }; -extern uint8_t *lapd_receive(struct lapd_instance *li, uint8_t *data, unsigned int len, - int *ilen, lapd_mph_type *prim); +enum lapd_recv_errors { + LAPD_ERR_NONE = 0, + LAPD_ERR_BAD_LEN, + LAPD_ERR_BAD_ADDR, + LAPD_ERR_UNKNOWN_S_CMD, + LAPD_ERR_UNKNOWN_U_CMD, + LAPD_ERR_UNKNOWN_TEI, + LAPD_ERR_BAD_CMD, + __LAPD_ERR_MAX +}; + +extern uint8_t *lapd_receive(struct lapd_instance *li, uint8_t *data, + unsigned int len, int *ilen, lapd_mph_type *prim, + int *error); extern void lapd_transmit(struct lapd_instance *li, uint8_t tei, uint8_t sapi, uint8_t *data, unsigned int len); |