/* 5.31 TFI IE The TFI information element is coded as defined in TS 44.060 (excluding IEI). 44.060: UPLINK_TFI (5 bit field) The Temporary Flow Identity field identifies an uplink Temporary Block Flow (TBF). This field is encoded as a binary number. Range 0 to 31  */
static guint16 de_tfi(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
/* 5.31 TFI IE The TFI information element is coded as defined in TS 44.060 (excluding IEI). 44.060: UPLINK_TFI (5 bit field) The Temporary Flow Identity field identifies an uplink Temporary Block Flow (TBF). This field is encoded as a binary number. Range 0 to 31  */
static guint16 de_tfi(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
{
    guint32 curr_offset;
    curr_offset = offset;
    proto_tree_add_item(tree, hf_gsm_bsslap_tfi, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
    curr_offset++;
    return(curr_offset - offset);
}