noS1 woking with tun interfaces and basic simu

cmake_targets/CMakeLists.txt

openair1/SIMULATION/ETH_TRANSPORT/netlink_init.c

openair1/SIMULATION/ETH_TRANSPORT/proto.h

openair2/LAYER2/PDCP_v10.1.0/pdcp.c

openair2/LAYER2/PDCP_v10.1.0/pdcp.h

openair2/LAYER2/PDCP_v10.1.0/pdcp_fifo.c

openair2/LAYER2/RLC/rlc.c

openair2/RRC/LTE/rrc_UE.c

openair2/RRC/LTE/rrc_eNB.c

openair2/RRC/NAS/nas_config.c

targets/RT/USER/lte-softmodem.c

targets/RT/USER/lte-ue.c

targets/RT/USER/lte-uesoftmodem.c