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

--HG--
extra : convert_revision : 62af17a2728a0ff729e7723dc29bd0d130ca5fe3

briancoutinho0905/2dsampling,yb-kim/gemV,SanchayanMaity/gem5,Weil0ng/gem5,zlfben/gem5,aclifton/cpeg853-gem5,cancro7/gem5,sobercoder/gem5,KuroeKurose/gem5,zlfben/gem5,zlfben/gem5,rjschof/gem5,briancoutinho0905/2dsampling,rallylee/gem5,gem5/gem5,rjschof/gem5,aclifton/cpeg853-gem5,briancoutinho0905/2dsampling,SanchayanMaity/gem5,kaiyuanl/gem5,rallylee/gem5,sobercoder/gem5,SanchayanMaity/gem5,samueldotj/TeeRISC-Simulator,samueldotj/TeeRISC-Simulator,HwisooSo/gemV-update,markoshorro/gem5,powerjg/gem5-ci-test,zlfben/gem5,austinharris/gem5-riscv,zlfben/gem5,Weil0ng/gem5,gem5/gem5,sobercoder/gem5,Weil0ng/gem5,yb-kim/gemV,markoshorro/gem5,rallylee/gem5,HwisooSo/gemV-update,rallylee/gem5,rjschof/gem5,powerjg/gem5-ci-test,TUD-OS/gem5-dtu,zlfben/gem5,rjschof/gem5,gedare/gem5,kaiyuanl/gem5,qizenguf/MLC-STT,powerjg/gem5-ci-test,TUD-OS/gem5-dtu,yb-kim/gemV,powerjg/gem5-ci-test,TUD-OS/gem5-dtu,markoshorro/gem5,gedare/gem5,TUD-OS/gem5-dtu,samueldotj/TeeRISC-Simulator,aclifton/cpeg853-gem5,kaiyuanl/gem5,qizenguf/MLC-STT,Weil0ng/gem5,HwisooSo/gemV-update,cancro7/gem5,yb-kim/gemV,rallylee/gem5,Weil0ng/gem5,austinharris/gem5-riscv,joerocklin/gem5,samueldotj/TeeRISC-Simulator,yb-kim/gemV,markoshorro/gem5,qizenguf/MLC-STT,HwisooSo/gemV-update,markoshorro/gem5,qizenguf/MLC-STT,KuroeKurose/gem5,qizenguf/MLC-STT,HwisooSo/gemV-update,briancoutinho0905/2dsampling,SanchayanMaity/gem5,joerocklin/gem5,powerjg/gem5-ci-test,briancoutinho0905/2dsampling,yb-kim/gemV,markoshorro/gem5,SanchayanMaity/gem5,kaiyuanl/gem5,austinharris/gem5-riscv,sobercoder/gem5,austinharris/gem5-riscv,joerocklin/gem5,gem5/gem5,gem5/gem5,TUD-OS/gem5-dtu,KuroeKurose/gem5,cancro7/gem5,gedare/gem5,gedare/gem5,SanchayanMaity/gem5,samueldotj/TeeRISC-Simulator,joerocklin/gem5,KuroeKurose/gem5,aclifton/cpeg853-gem5,sobercoder/gem5,briancoutinho0905/2dsampling,austinharris/gem5-riscv,aclifton/cpeg853-gem5,yb-kim/gemV,TUD-OS/gem5-dtu,cancro7/gem5,aclifton/cpeg853-gem5,sobercoder/gem5,Weil0ng/gem5,gedare/gem5,zlfben/gem5,cancro7/gem5,KuroeKurose/gem5,markoshorro/gem5,Weil0ng/gem5,KuroeKurose/gem5,SanchayanMaity/gem5,gedare/gem5,rjschof/gem5,rallylee/gem5,TUD-OS/gem5-dtu,rallylee/gem5,cancro7/gem5,samueldotj/TeeRISC-Simulator,gedare/gem5,cancro7/gem5,powerjg/gem5-ci-test,rjschof/gem5,gem5/gem5,briancoutinho0905/2dsampling,joerocklin/gem5,kaiyuanl/gem5,joerocklin/gem5,HwisooSo/gemV-update,kaiyuanl/gem5,austinharris/gem5-riscv,yb-kim/gemV,qizenguf/MLC-STT,kaiyuanl/gem5,gem5/gem5,aclifton/cpeg853-gem5,samueldotj/TeeRISC-Simulator,gem5/gem5,HwisooSo/gemV-update,KuroeKurose/gem5,qizenguf/MLC-STT,joerocklin/gem5,austinharris/gem5-riscv,sobercoder/gem5,powerjg/gem5-ci-test,rjschof/gem5,joerocklin/gem5