tag each mem_req as coming from the nic if it is DMA'd from the NIC.  the NIC tells the DMA interface, which in turn sets a new nic_req flag in the MemReq it makes.
tag each mem_req as coming from the nic if it is DMA'd from the NIC.  the NIC tells the DMA interface, which in turn sets a new nic_req flag in the MemReq it makes.

dev/ns_gige.cc:
    tell all outgoing dma events that this request is from the NIC

haowu4682/gem5,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,haowu4682/gem5,LingxiaoJIA/gem5,haowu4682/gem5,LingxiaoJIA/gem5,LingxiaoJIA/gem5,LingxiaoJIA/gem5,LingxiaoJIA/gem5,andrewfu0325/gem5-aladdin,haowu4682/gem5,andrewfu0325/gem5-aladdin,haowu4682/gem5,LingxiaoJIA/gem5,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,LingxiaoJIA/gem5,andrewfu0325/gem5-aladdin,haowu4682/gem5,haowu4682/gem5,haowu4682/gem5,haowu4682/gem5