NBIOT wireshark support for RRC connection setup

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I am trying to give NBIOT wireshark support for RRC Connection Setup by calling

int dissect_DL_CCCH_Message_NB_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {}

in packet-nfapi.c file as

dissect_DL_CCCH_Message_NB_PDU(ptvcursor_tvbuff(ptvc), pinfo, ptvcursor_tree(ptvc), NULL);

but in wireshark PCAP for this call it is showing msg as RRC Connection Reestablishment. Any solutions please?