diff mbox series

[v7,5/7] dts: allow configuring MTU of ports

Message ID 20240109153633.766-6-jspewock@iol.unh.edu (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers
Series dts: Port scatter suite over |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Jeremy Spewock Jan. 9, 2024, 3:36 p.m. UTC 
  From: Jeremy Spewock <jspewock@iol.unh.edu>

Adds methods in both os_session and linux session to allow for setting
MTU of port interfaces so that suites that require the sending and
receiving of packets of a specific size, or the rejection of packets
over a certain size, can configure this maximum as needed.

Signed-off-by: Jeremy Spewock <jspewock@iol.unh.edu>
---
 dts/framework/testbed_model/linux_session.py | 8 ++++++++
 dts/framework/testbed_model/os_session.py    | 9 +++++++++
 2 files changed, 17 insertions(+)
diff mbox series

Patch

diff --git a/dts/framework/testbed_model/linux_session.py b/dts/framework/testbed_model/linux_session.py
index 0ab59cef85..5d24030c3d 100644
--- a/dts/framework/testbed_model/linux_session.py
+++ b/dts/framework/testbed_model/linux_session.py
@@ -198,6 +198,14 @@  def configure_port_ip_address(
             verify=True,
         )
 
+    def configure_port_mtu(self, mtu: int, port: Port) -> None:
+        """Overrides :meth:`~.os_session.OSSession.configure_port_mtu`."""
+        self.send_command(
+            f"ip link set dev {port.logical_name} mtu {mtu}",
+            privileged=True,
+            verify=True,
+        )
+
     def configure_ipv4_forwarding(self, enable: bool) -> None:
         """Overrides :meth:`~.os_session.OSSession.configure_ipv4_forwarding`."""
         state = 1 if enable else 0
diff --git a/dts/framework/testbed_model/os_session.py b/dts/framework/testbed_model/os_session.py
index ac6bb5e112..e42f4d752a 100644
--- a/dts/framework/testbed_model/os_session.py
+++ b/dts/framework/testbed_model/os_session.py
@@ -413,6 +413,15 @@  def configure_port_ip_address(
             delete: If :data:`True`, remove the IP address, otherwise configure it.
         """
 
+    @abstractmethod
+    def configure_port_mtu(self, mtu: int, port: Port) -> None:
+        """Configure `mtu` on `port`.
+
+        Args:
+            mtu: Desired MTU value.
+            port: Port to set `mtu` on.
+        """
+
     @abstractmethod
     def configure_ipv4_forwarding(self, enable: bool) -> None:
         """Enable IPv4 forwarding in the operating system.