Re: [PATCH v5 1/3] dts: add multicast set function to shell

[Luca Vizzarro <Luca.Vizzarro@arm.com>]

Hi Dean,

Apologies again for having replied to the wrong email thread. I'll copy 
my comments here. And thank you again for your contribution

On 24/07/2024 20:21, Dean Marx wrote:
> added set multicast function for changing allmulticast mode within testpmd.
> 
> Signed-off-by: Dean Marx <dmarx@iol.unh.edu>
> ---
>   dts/framework/remote_session/testpmd_shell.py | 46 +++++++++++++++++++
>   1 file changed, 46 insertions(+)
> 
> diff --git a/dts/framework/remote_session/testpmd_shell.py b/dts/framework/remote_session/testpmd_shell.py
> index eda6eb320f..b7af2adb14 100644
> --- a/dts/framework/remote_session/testpmd_shell.py
> +++ b/dts/framework/remote_session/testpmd_shell.py
> @@ -804,6 +804,52 @@ def show_port_stats(self, port_id: int) -> TestPmdPortStats:
>   
>           return TestPmdPortStats.parse(output)
>   
> +    def set_promisc(self, port: int, on: bool, verify: bool = True):
> +        """Turns promiscuous mode on/off for the specified port.
> +
> +        Args:
> +            port: Port number to use, should be within 0-32.
> +            on: If :data:`True`, turn promisc mode on, otherwise turn off.
> +            verify: If :data:`True` an additional command will be sent to verify that promisc mode
> +                is properly set. Defaults to :data:`True`.
> +
> +        Raises:
> +            InteractiveCommandExecutionError: If `verify` is :data:`True` and promisc mode
> +                is not correctly set.
> +        """
> +        promisc_output = self.send_command(f"set promisc {port} {'on' if on else 'off'}")
> +        if verify:
> +            stats = self.show_port_info(port_id=port)
> +            if on ^ stats.is_promiscuous_mode_enabled:
> +                self._logger.debug(f"Failed to set promisc mode on port {port}: \n{promisc_output}")
> +                raise InteractiveCommandExecutionError(
> +                    f"Testpmd failed to set promisc mode on port {port}."
> +                )
> +
> +    def set_multicast_all(self, on: bool, verify: bool = True):
> +        """Turns multicast mode on/off for the specified port.
> +
> +        Args:
> +            on: If :data:`True`, turns multicast mode on, otherwise turns off.
> +            verify: If :data:`True` an additional command will be sent to verify
> +            that multicast mode is properly set. Defaults to :data:`True`.
> +
> +        Raises:
> +            InteractiveCommandExecutionError: If `verify` is :data:`True` and multicast
> +                mode is not properly set.
> +        """
> +        multicast_output = self.send_command(f"set allmulti all {'on' if on else 'off'}")
> +        if verify:
> +            stats0 = self.show_port_info(port_id=0)
> +            stats1 = self.show_port_info(port_id=1)

This assumes that we have port 0 and 1, but *technically* we shouldn't 
be making assumptions about the environment in the framework. I'd rather 
use show_port_info_all and sample from there what's available.

> +            if on ^ (stats0.is_allmulticast_mode_enabled and stats1.is_allmulticast_mode_enabled):
> +                self._logger.debug(
> +                    f"Failed to set multicast mode on all ports.: \n{multicast_output}"
> +                )
> +                raise InteractiveCommandExecutionError(
> +                    "Testpmd failed to set multicast mode on all ports."
> +                )
> +
>       def _close(self) -> None:
>           """Overrides :meth:`~.interactive_shell.close`."""
>           self.stop()