Move IPPacket header (part 1)

Rename net/ip.{cpp,hpp} to net/ip_packet.{cpp,hpp}.

(Doing this in two commits because I want to repurpose ip.hpp/ip.cpp,
and want git to figure out the history properly).

llarp/CMakeLists.txt

@@ -60,7 +60,7 @@ add_library(lokinet-platform
   ev/pipe.cpp
   ev/vpnio.cpp
   ev/ev_libuv.cpp
-  net/ip.cpp
+  net/ip_packet.cpp
   net/net.cpp
   net/net_int.cpp
   $<TARGET_OBJECTS:tuntap>

llarp/ev/vpnio.hpp

@@ -1,6 +1,6 @@
 #ifndef LLARP_EV_VPNIO_HPP
 #define LLARP_EV_VPNIO_HPP
-#include <net/ip.hpp>
+#include <net/ip_packet.hpp>
 #include <util/thread/queue.hpp>
 #include <functional>
 
@@ -48,4 +48,4 @@ struct llarp_vpn_io_impl
   Expunge();
 };
 
-#endif
+#endif

llarp/exit/endpoint.hpp

@@ -2,7 +2,7 @@
 #define LLARP_EXIT_ENDPOINT_HPP
 
 #include <crypto/types.hpp>
-#include <net/ip.hpp>
+#include <net/ip_packet.hpp>
 #include <path/path.hpp>
 #include <util/time.hpp>
 

llarp/exit/session.hpp

@@ -2,7 +2,7 @@
 #define LLARP_EXIT_SESSION_HPP
 
 #include <exit/exit_messages.hpp>
-#include <net/ip.hpp>
+#include <net/ip_packet.hpp>
 #include <path/pathbuilder.hpp>
 #include <routing/transfer_traffic_message.hpp>
 

llarp/handlers/tun.hpp

@@ -4,7 +4,7 @@
 #include <dns/server.hpp>
 #include <ev/ev.h>
 #include <ev/vpnio.hpp>
-#include <net/ip.hpp>
+#include <net/ip_packet.hpp>
 #include <net/net.hpp>
 #include <service/endpoint.hpp>
 #include <util/codel.hpp>

llarp/net/ip_packet.cpp

@@ -1,4 +1,4 @@
-#include <net/ip.hpp>
+#include <net/ip_packet.hpp>
 
 #include <util/buffer.hpp>
 #include <util/endian.hpp>