samples/net/gptp: Move from native_posix to native_sim

* In the sample doc and shell script,
  replace native_posix references with native_sim
* Provide overlays for native_sim(_64)
* Enable native_sim in the test yaml

Signed-off-by: Alberto Escolar Piedras <alberto.escolar.piedras@nordicsemi.no>

samples/net/gptp/README.rst

@@ -25,7 +25,7 @@ Building and Running
 ********************
 
 A good way to run this sample is to run this gPTP application inside
-native_posix board as described in :ref:`networking_with_native_sim` or with
+native_sim board as described in :ref:`networking_with_native_sim` or with
 embedded device like NXP FRDM-K64F, Nucleo-H743-ZI, Nucleo-H745ZI-Q,
 Nucleo-F767ZI or Atmel SAM-E70 Xplained. Note that gPTP is only supported for
 boards that have an Ethernet port and which has support for collecting
@@ -51,7 +51,7 @@ Setting up Linux Host
 If you need VLAN support in your network, then the
 :zephyr_file:`samples/net/vlan/vlan-setup-linux.sh` provides a script that can be
 executed on the Linux host. It creates two VLANs on the Linux host and creates
-routes to Zephyr. If you are using native_posix board, then
+routes to Zephyr. If you are using native_sim board, then
 the ``net-setup.sh`` will create VLAN setup automatically with this command:
 
 .. code-block:: console
@@ -61,9 +61,9 @@ the ``net-setup.sh`` will create VLAN setup automatically with this command:
 The OpenAVNU repository at https://github.com/AVnu contains gPTP
 daemon that can be run in Linux host and which can act as a grandmaster for
 the IEEE 801.1AS network. Note that OpenAVNU will not work with
-native_posix board as that board only supports software timestamping and
+native_sim board as that board only supports software timestamping and
 OpenAVNU only supports hardware timestamping. See instructions at the end
-of this chapter how to run linuxptp daemon with native_posix board.
+of this chapter how to run linuxptp daemon with native_sim board.
 
 Get OpenAvnu/gPTP project sources
 
@@ -126,7 +126,7 @@ By default gPTP in Zephyr will not print any gPTP debug messages to console.
 One can enable debug prints by setting
 :kconfig:option:`CONFIG_NET_GPTP_LOG_LEVEL_DBG` in the config file.
 
-For native_posix board, use ``linuxptp`` project as that supports
+For native_sim board, use ``linuxptp`` project as that supports
 software timestamping.
 
 Get linuxptp project sources
@@ -150,7 +150,7 @@ Multiport Setup
 
 If you set :kconfig:option:`CONFIG_NET_GPTP_NUM_PORTS` larger than 1, then gPTP sample
 will create multiple TSN ports. This configuration is currently only supported
-in native_posix board.
+in native_sim board.
 
 You need to enable the ports in the net-tools. If the number of ports is set
 to 2, then give following commands to create the network interfaces in host
@@ -163,7 +163,7 @@ side:
 
 After that you can start ptp4l daemon for both interfaces. Please use two
 terminals when starting ptp4l daemon. Note that you must use ptp4l as OpenAVNU
-does not work with software clock available in native_posix.
+does not work with software clock available in native_sim.
 
 .. code-block:: console
 
@@ -175,7 +175,7 @@ Compile Zephyr application.
 
 .. zephyr-app-commands::
    :zephyr-app: samples/net/gptp
-   :board: native_posix
+   :board: native_sim
    :goals: build
    :compact:
 

samples/net/gptp/boards/native_sim.conf

@@ -0,0 +1,8 @@
+# Settings for native_posix ethernet driver
+CONFIG_ETH_NATIVE_POSIX_PTP_CLOCK=y
+
+#CONFIG_ETH_NATIVE_POSIX_RANDOM_MAC=y
+CONFIG_ETH_NATIVE_POSIX_MAC_ADDR="00:00:5e:00:53:2a"
+
+# Assume 1 ms accuracy for native_posix simulated clock
+CONFIG_NET_GPTP_CLOCK_ACCURACY_1MS=y

samples/net/gptp/boards/native_sim_64.conf

@@ -0,0 +1,8 @@
+# Settings for native_posix ethernet driver
+CONFIG_ETH_NATIVE_POSIX_PTP_CLOCK=y
+
+#CONFIG_ETH_NATIVE_POSIX_RANDOM_MAC=y
+CONFIG_ETH_NATIVE_POSIX_MAC_ADDR="00:00:5e:00:53:2a"
+
+# Assume 1 ms accuracy for native_posix simulated clock
+CONFIG_NET_GPTP_CLOCK_ACCURACY_1MS=y

samples/net/gptp/docker-test.sh

@@ -14,7 +14,7 @@ start_docker \
 	"/usr/local/sbin/ptp4l -2 -f /etc/gptp.cfg -m -q -l 6 -S -i eth0" \
 	|| return $?
 
-# For native_posix gPTP run, the delay threshold needs to be huge
+# For native_sim gPTP run, the delay threshold needs to be huge
 start_zephyr "$overlay" "-DCONFIG_NET_SAMPLE_RUN_DURATION=10" \
 	         "-DCONFIG_NET_GPTP_NEIGHBOR_PROP_DELAY_THR=12000000"
 

samples/net/gptp/sample.yaml

@@ -13,6 +13,8 @@ tests:
       - sam_e70_xplained
       - native_posix
       - native_posix_64
+      - native_sim
+      - native_sim_64
       - nucleo_f767zi
       - nucleo_h743zi
       - nucleo_h745zi_q_m7