TMS320F28069: eCAN1INT and eCAN0INT

Those are the two interrupt lines from the eCAN module to the PIE module (that multiplexes the peripheral interrupts to the 12 interrupts of the CPU). This is clearly shown in the CAN chapter of SPRUH18. You may benefit from reading my app.report http://www.ti.com/lit/spra876 

If you are new to C2000 or CCS, please review the workshops at http://processors.wiki.ti.com/index.php/C2000_Archived_Workshops . Many questions can be answered by reviewing the workshop material for your specific device family or its closest equivalent. Excellent introductory videos about CCS are available at https://www.youtube.com/user/CodeComposerStudio