Max has submitted this change and it was merged.

Change subject: Handle PCU version received via OML alert
......................................................................


Handle PCU version received via OML alert

Explicitly check for and log PCU version received from BTS via OML alert
message.

Change-Id: I3c88663d4e2887a4038b4c3f1387128295b8934e
Related: OS#1614
---
M openbsc/src/libbsc/abis_nm.c
1 file changed, 93 insertions(+), 33 deletions(-)

Approvals:
  Harald Welte: Looks good to me, approved
  Jenkins Builder: Verified



diff --git a/openbsc/src/libbsc/abis_nm.c b/openbsc/src/libbsc/abis_nm.c
index 8b0eec2..33a23a2 100644
--- a/openbsc/src/libbsc/abis_nm.c
+++ b/openbsc/src/libbsc/abis_nm.c
@@ -273,51 +273,111 @@
        return 0;
 }
 
-static int rx_fail_evt_rep(struct msgb *mb)
+static inline void log_oml_fail_rep(const struct gsm_bts *bts, const char 
*type,
+                                   const char *severity, const uint8_t *p_val,
+                                   const char *text)
+{
+       enum abis_nm_pcause_type pcause = p_val[0];
+       enum abis_mm_event_causes cause = osmo_load16be(p_val + 1);
+
+       LOGPC(DNM, LOGL_ERROR, "BTS %u: Failure Event Report: ", bts->nr);
+       if (type)
+               LOGPC(DNM, LOGL_ERROR, "Type=%s, ", type);
+       if (severity)
+               LOGPC(DNM, LOGL_ERROR, "Severity=%s, ", severity);
+
+       LOGPC(DNM, LOGL_ERROR, "Probable cause=%s: ",
+             get_value_string(abis_nm_pcause_type_names, pcause));
+
+       if (pcause == NM_PCAUSE_T_MANUF)
+               LOGPC(DNM, LOGL_ERROR, "%s, ",
+                     get_value_string(abis_mm_event_cause_names, cause));
+       else
+               LOGPC(DNM, LOGL_ERROR, "%02X %02X ", p_val[1], p_val[2]);
+
+       if (text) {
+               LOGPC(DNM, LOGL_ERROR, "Additional Text=%s. ", text);
+       }
+
+       LOGPC(DNM, LOGL_ERROR, "\n");
+}
+
+static inline void handle_manufact_report(const struct gsm_bts *bts,
+                                         const uint8_t *p_val, const char 
*type,
+                                         const char *severity, const char 
*text)
+{
+       enum abis_mm_event_causes cause = osmo_load16be(p_val + 1);
+
+       switch (cause) {
+       case OSMO_EVT_PCU_VERS:
+               if (text)
+                       LOGPC(DNM, LOGL_NOTICE,
+                             "BTS %u reported connected PCU version %s\n",
+                             bts->nr, text);
+               else
+                       LOGPC(DNM, LOGL_ERROR,
+                             "BTS %u sent %s without actual version string.\n",
+                             bts->nr,
+                             get_value_string(abis_mm_event_cause_names,
+                                              cause));
+               break;
+       default:
+               log_oml_fail_rep(bts, type, severity, p_val, text);
+       };
+}
+
+static int rx_fail_evt_rep(struct msgb *mb, const struct gsm_bts *bts)
 {
        struct abis_om_hdr *oh = msgb_l2(mb);
        struct abis_om_fom_hdr *foh = msgb_l3(mb);
        struct e1inp_sign_link *sign_link = mb->dst;
        struct tlv_parsed tp;
-       const uint8_t *p_val;
-       char *p_text;
+       int rc = 0;
+       const uint8_t *p_val = NULL;
+       char *p_text = NULL;
+       const char *e_type = NULL, *severity = NULL;
 
-       LOGPC(DNM, LOGL_ERROR, "Failure Event Report: ");
+       abis_nm_tlv_parse(&tp, sign_link->trx->bts, foh->data,
+                         oh->length-sizeof(*foh));
 
-       abis_nm_tlv_parse(&tp, sign_link->trx->bts, foh->data, 
oh->length-sizeof(*foh));
-
-       if (TLVP_PRESENT(&tp, NM_ATT_EVENT_TYPE))
-               LOGPC(DNM, LOGL_ERROR, "Type=%s, ",
-                     abis_nm_event_type_name(*TLVP_VAL(&tp, 
NM_ATT_EVENT_TYPE)));
-       if (TLVP_PRESENT(&tp, NM_ATT_SEVERITY))
-               LOGPC(DNM, LOGL_ERROR, "Severity=%s, ",
-                     abis_nm_severity_name(*TLVP_VAL(&tp, NM_ATT_SEVERITY)));
-       if (TLVP_PRESENT(&tp, NM_ATT_PROB_CAUSE)) {
-               p_val = TLVP_VAL(&tp, NM_ATT_PROB_CAUSE);
-               LOGPC(DNM, LOGL_ERROR, "Probable cause=%s: ",
-                     get_value_string(abis_nm_pcause_type_names, p_val[0]));
-               if (p_val[0] == NM_PCAUSE_T_MANUF)
-                       LOGPC(DNM, LOGL_ERROR, "%s, ",
-                             get_value_string(abis_mm_event_cause_names,
-                                              osmo_load16be(p_val + 1)));
-               else
-                       LOGPC(DNM, LOGL_ERROR, "%02X %02X ", p_val[1], 
p_val[2]);
-       }
        if (TLVP_PRESENT(&tp, NM_ATT_ADD_TEXT)) {
                p_val = TLVP_VAL(&tp, NM_ATT_ADD_TEXT);
-               p_text = talloc_strndup(tall_bsc_ctx, (const char *) p_val, 
TLVP_LEN(&tp, NM_ATT_ADD_TEXT));
-               if (p_text) {
-                       LOGPC(DNM, LOGL_ERROR, "Additional Text=%s. ", p_text);
-                       talloc_free(p_text);
-               }
+               p_text = talloc_strndup(tall_bsc_ctx, (const char *) p_val,
+                                       TLVP_LEN(&tp, NM_ATT_ADD_TEXT));
        }
 
-       LOGPC(DNM, LOGL_ERROR, "\n");
+       if (TLVP_PRESENT(&tp, NM_ATT_EVENT_TYPE))
+               e_type = abis_nm_event_type_name(*TLVP_VAL(&tp,
+                                                          NM_ATT_EVENT_TYPE));
 
-       return 0;
+       if (TLVP_PRESENT(&tp, NM_ATT_SEVERITY))
+               severity = abis_nm_severity_name(*TLVP_VAL(&tp,
+                                                          NM_ATT_SEVERITY));
+
+       if (TLVP_PRESENT(&tp, NM_ATT_PROB_CAUSE)) {
+               p_val = TLVP_VAL(&tp, NM_ATT_PROB_CAUSE);
+
+               switch (p_val[0]) {
+               case NM_PCAUSE_T_MANUF:
+                       handle_manufact_report(bts, p_val, e_type, severity,
+                                              p_text);
+                       break;
+               default:
+                       log_oml_fail_rep(bts, e_type, severity, p_val, p_text);
+               };
+       } else {
+               LOGPC(DNM, LOGL_ERROR, "BTS%u: Failure Event Report without "
+                     "Probable Cause?!\n", bts->nr);
+               rc = -EINVAL;
+       }
+
+       if (p_text)
+               talloc_free(p_text);
+
+       return rc;
 }
 
-static int abis_nm_rcvmsg_report(struct msgb *mb)
+static int abis_nm_rcvmsg_report(struct msgb *mb, struct gsm_bts *bts)
 {
        struct abis_om_fom_hdr *foh = msgb_l3(mb);
        uint8_t mt = foh->msg_type;
@@ -335,7 +395,7 @@
                osmo_signal_dispatch(SS_NM, S_NM_SW_ACTIV_REP, mb);
                break;
        case NM_MT_FAILURE_EVENT_REP:
-               rx_fail_evt_rep(mb);
+               rx_fail_evt_rep(mb, bts);
                osmo_signal_dispatch(SS_NM, S_NM_FAIL_REP, mb);
                break;
        case NM_MT_TEST_REP:
@@ -580,7 +640,7 @@
 
        /* check for unsolicited message */
        if (is_report(mt))
-               return abis_nm_rcvmsg_report(mb);
+               return abis_nm_rcvmsg_report(mb, bts);
 
        if (is_in_arr(mt, abis_nm_sw_load_msgs, 
ARRAY_SIZE(abis_nm_sw_load_msgs)))
                return abis_nm_rcvmsg_sw(mb);

-- 
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Gerrit-MessageType: merged
Gerrit-Change-Id: I3c88663d4e2887a4038b4c3f1387128295b8934e
Gerrit-PatchSet: 3
Gerrit-Project: openbsc
Gerrit-Branch: master
Gerrit-Owner: Max <[email protected]>
Gerrit-Reviewer: Harald Welte <[email protected]>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: Max <[email protected]>

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