diff options
Diffstat (limited to 'openbsc/src/libbsc/abis_om2000.c')
| -rw-r--r-- | openbsc/src/libbsc/abis_om2000.c | 130 |
1 files changed, 129 insertions, 1 deletions
diff --git a/openbsc/src/libbsc/abis_om2000.c b/openbsc/src/libbsc/abis_om2000.c index 33374127a..357e2e515 100644 --- a/openbsc/src/libbsc/abis_om2000.c +++ b/openbsc/src/libbsc/abis_om2000.c @@ -238,6 +238,7 @@ enum abis_om2k_dei { OM2K_DEI_POWER = 0x2f, OM2K_DEI_REASON_CODE = 0x32, OM2K_DEI_RX_DIVERSITY = 0x33, + OM2K_DEI_REPL_UNIT_MAP = 0x34, OM2K_DEI_RESULT_CODE = 0x35, OM2K_DEI_T3105 = 0x38, OM2K_DEI_TF_MODE = 0x3a, @@ -252,7 +253,7 @@ enum abis_om2k_dei { OM2K_DEI_RSL_FUNC_MAP_2 = 0x46, OM2K_DEI_EXT_RANGE = 0x47, OM2K_DEI_REQ_IND = 0x48, - OM2K_DEI_REPL_UNIT_MAP = 0x50, + OM2K_DEI_REPL_UNIT_MAP_EXT = 0x50, OM2K_DEI_ICM_BOUND_PARAMS = 0x74, OM2K_DEI_LSC = 0x79, OM2K_DEI_LSC_FILT_TIME = 0x7a, @@ -268,6 +269,7 @@ enum abis_om2k_dei { OM2K_DEI_INTERF_REJ_COMB = 0x94, OM2K_DEI_FS_OFFSET = 0x98, OM2K_DEI_EXT_COND_MAP_2_EXT = 0x9c, + OM2K_DEI_TSS_MO_STATE = 0x9d, }; const struct tlv_definition om2k_att_tlvdef = { @@ -322,6 +324,7 @@ const struct tlv_definition om2k_att_tlvdef = { [OM2K_DEI_EXT_RANGE] = { TLV_TYPE_TV }, [OM2K_DEI_REQ_IND] = { TLV_TYPE_TV }, [OM2K_DEI_REPL_UNIT_MAP] = { TLV_TYPE_FIXED, 6 }, + [OM2K_DEI_REPL_UNIT_MAP_EXT] = {TLV_TYPE_FIXED, 6}, [OM2K_DEI_ICM_BOUND_PARAMS] = { TLV_TYPE_FIXED, 5 }, [OM2K_DEI_LSC] = { TLV_TYPE_TV }, [OM2K_DEI_LSC_FILT_TIME] = { TLV_TYPE_TV }, @@ -337,6 +340,7 @@ const struct tlv_definition om2k_att_tlvdef = { [OM2K_DEI_INTERF_REJ_COMB] = { TLV_TYPE_TV }, [OM2K_DEI_FS_OFFSET] = { TLV_TYPE_FIXED, 5 }, [OM2K_DEI_EXT_COND_MAP_2_EXT] = { TLV_TYPE_FIXED, 4 }, + [OM2K_DEI_TSS_MO_STATE] = { TLV_TYPE_FIXED, 4 }, }, }; @@ -2369,6 +2373,129 @@ static int process_mo_state(struct gsm_bts *bts, struct om2k_decoded_msg *odm) return 0; } +/* Display fault report bits (helper function of display_fault_maps()) */ +static bool display_fault_bits(const uint8_t *vect, unsigned int len, + uint8_t dei, const struct abis_om2k_mo *mo) +{ + int i; + int k; + bool faults_present = false; + int first = 1; + char string[255]; + + /* Check if errors are present at all */ + for (i = 0; i < len; i++) + if (vect[i]) + faults_present = true; + if (!faults_present) + return false; + + sprintf(string, "Fault Report: %s (", + get_value_string(om2k_attr_vals, dei)); + + for (i = 0; i < len; i++) { + for (k = 0; k < 8; k++) { + if ((vect[i] >> k) & 1) { + if (!first) + sprintf(string + strlen(string), ","); + sprintf(string + strlen(string), "%d", k + i*8); + first = 0; + } + } + } + + sprintf(string + strlen(string), ")\n"); + DEBUGP(DNM, "Rx MO=%s %s", om2k_mo_name(mo), string); + + return true; +} + +/* Display fault report maps */ +static void display_fault_maps(const uint8_t *src, unsigned int src_len, + const struct abis_om2k_mo *mo) +{ + uint8_t tag; + uint16_t tag_len; + const uint8_t *val; + int src_pos = 0; + int rc; + int tlv_count = 0; + uint16_t msg_code; + bool faults_present = false; + + /* Chop off header */ + src+=4; + src_len-=4; + + /* Check message type */ + msg_code = (*src & 0xff) << 8; + src++; + src_len--; + msg_code |= (*src & 0xff); + src++; + src_len--; + if (msg_code != OM2K_MSGT_FAULT_REP) { + LOGP(DNM, LOGL_ERROR, "Rx MO=%s Fault report: invalid message code!\n", + om2k_mo_name(mo)); + return; + } + + /* Chop off mo-interface */ + src += 4; + src_len -= 4; + + /* Iterate over each TLV element */ + while (1) { + + /* Bail if an the maximum number of TLV fields + * have been parsed */ + if (tlv_count >= 11) { + LOGP(DNM, LOGL_ERROR, + "Rx MO=%s Fault Report: too many tlv elements!\n", + om2k_mo_name(mo)); + return; + } + + /* Parse TLV field */ + rc = tlv_parse_one(&tag, &tag_len, &val, &om2k_att_tlvdef, + src + src_pos, src_len - src_pos); + if (rc > 0) + src_pos += rc; + else { + LOGP(DNM, LOGL_ERROR, + "Rx MO=%s Fault Report: invalid tlv element!\n", + om2k_mo_name(mo)); + return; + } + + switch (tag) { + case OM2K_DEI_INT_FAULT_MAP_1A: + case OM2K_DEI_INT_FAULT_MAP_1B: + case OM2K_DEI_INT_FAULT_MAP_2A: + case OM2K_DEI_EXT_COND_MAP_1: + case OM2K_DEI_EXT_COND_MAP_2: + case OM2K_DEI_REPL_UNIT_MAP: + case OM2K_DEI_INT_FAULT_MAP_2A_EXT: + case OM2K_DEI_EXT_COND_MAP_2_EXT: + case OM2K_DEI_REPL_UNIT_MAP_EXT: + faults_present |= display_fault_bits(val, tag_len, + tag, mo); + break; + } + + /* Stop when no further TLV elements can be expected */ + if (src_len - src_pos < 2) + break; + + tlv_count++; + } + + if (!faults_present) { + DEBUGP(DNM, "Rx MO=%s Fault Report: All faults ceased!\n", + om2k_mo_name(mo)); + } +} + int abis_om2k_rcvmsg(struct msgb *msg) { struct e1inp_sign_link *sign_link = (struct e1inp_sign_link *)msg->dst; @@ -2414,6 +2541,7 @@ int abis_om2k_rcvmsg(struct msgb *msg) rc = abis_om2k_cal_time_resp(bts); break; case OM2K_MSGT_FAULT_REP: + display_fault_maps(msg->l2h, msgb_l2len(msg), &o2h->mo); rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_FAULT_REP_ACK); break; case OM2K_MSGT_NEGOT_REQ: |