Add start tx_first method to testpmd shell, which sends
a specified number of burst packets prior to starting
packet forwarding.
Signed-off-by: Dean Marx <dm...@iol.unh.edu>
---
dts/framework/remote_session/testpmd_shell.py | 21 +++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/dts/framework/remote_session/testpmd_shell.py
b/dts/framework/remote_session/testpmd_shell.py
index 1df3d5f792..44be5ed44f 100644
--- a/dts/framework/remote_session/testpmd_shell.py
+++ b/dts/framework/remote_session/testpmd_shell.py
@@ -1578,6 +1578,27 @@ def start(self, verify: bool = True) -> None:
self._logger.debug(f"Failed to start packet forwarding:
\n{start_cmd_output}")
raise InteractiveCommandExecutionError("Testpmd failed to
start packet forwarding.")
+ @requires_started_ports
+ def start_tx_first(self, burst_num: int, verify: bool = True) -> None:
+ """Start packet forwarding after sending specified number of bursts of
packets.
+
+ Args:
+ burst_num: Number of packets to send before stopping transmission.
+ verify: If :data:`True` , a second start command will be sent in
an attempt to verify
+ packet forwarding started as expected.
+
+ Raises:
+ InteractiveCommandExecutionError: If `verify` is :data:`True` and
forwarding fails to
+ start or ports fail to come up.
+ """
+ self.send_command(f"start tx_first {burst_num if burst_num is not None
else ""}")
+ if verify:
+ # If forwarding was already started, sending "start" again should
tell us
+ start_cmd_output = self.send_command("start")
+ if "Packet forwarding already started" not in start_cmd_output:
+ self._logger.debug(f"Failed to start packet forwarding:
\n{start_cmd_output}")
+ raise InteractiveCommandExecutionError("Testpmd failed to
start packet forwarding.")
+
def stop(self, verify: bool = True) -> str:
"""Stop packet forwarding.
--
2.51.0
