diff --git a/core/net/uaodv-def.h b/core/net/ipv4/uaodv-def.h
similarity index 100%
rename from core/net/uaodv-def.h
rename to core/net/ipv4/uaodv-def.h
diff --git a/core/net/uaodv-rt.c b/core/net/ipv4/uaodv-rt.c
similarity index 100%
rename from core/net/uaodv-rt.c
rename to core/net/ipv4/uaodv-rt.c
diff --git a/core/net/uaodv-rt.h b/core/net/ipv4/uaodv-rt.h
similarity index 100%
rename from core/net/uaodv-rt.h
rename to core/net/ipv4/uaodv-rt.h
diff --git a/core/net/uaodv.c b/core/net/ipv4/uaodv.c
similarity index 100%
rename from core/net/uaodv.c
rename to core/net/ipv4/uaodv.c
diff --git a/core/net/uaodv.h b/core/net/ipv4/uaodv.h
similarity index 100%
rename from core/net/uaodv.h
rename to core/net/ipv4/uaodv.h
diff --git a/core/net/uip-fw-drv.c b/core/net/ipv4/uip-fw-drv.c
similarity index 100%
rename from core/net/uip-fw-drv.c
rename to core/net/ipv4/uip-fw-drv.c
diff --git a/core/net/uip-fw-drv.h b/core/net/ipv4/uip-fw-drv.h
similarity index 100%
rename from core/net/uip-fw-drv.h
rename to core/net/ipv4/uip-fw-drv.h
diff --git a/core/net/uip-fw.c b/core/net/ipv4/uip-fw.c
similarity index 100%
rename from core/net/uip-fw.c
rename to core/net/ipv4/uip-fw.c
diff --git a/core/net/uip-fw.h b/core/net/ipv4/uip-fw.h
similarity index 100%
rename from core/net/uip-fw.h
rename to core/net/ipv4/uip-fw.h
diff --git a/core/net/uip-neighbor.c b/core/net/ipv4/uip-neighbor.c
similarity index 100%
rename from core/net/uip-neighbor.c
rename to core/net/ipv4/uip-neighbor.c
diff --git a/core/net/uip-neighbor.h b/core/net/ipv4/uip-neighbor.h
similarity index 100%
rename from core/net/uip-neighbor.h
rename to core/net/ipv4/uip-neighbor.h
diff --git a/core/net/uip-over-mesh.c b/core/net/ipv4/uip-over-mesh.c
similarity index 100%
rename from core/net/uip-over-mesh.c
rename to core/net/ipv4/uip-over-mesh.c
diff --git a/core/net/uip-over-mesh.h b/core/net/ipv4/uip-over-mesh.h
similarity index 100%
rename from core/net/uip-over-mesh.h
rename to core/net/ipv4/uip-over-mesh.h
diff --git a/core/net/uip.c b/core/net/ipv4/uip.c
similarity index 100%
rename from core/net/uip.c
rename to core/net/ipv4/uip.c
diff --git a/core/net/uip_arp.c b/core/net/ipv4/uip_arp.c
similarity index 100%
rename from core/net/uip_arp.c
rename to core/net/ipv4/uip_arp.c
diff --git a/core/net/uip_arp.h b/core/net/ipv4/uip_arp.h
similarity index 100%
rename from core/net/uip_arp.h
rename to core/net/ipv4/uip_arp.h