@@ -19,7 +19,7 @@
from dataclasses import dataclass, field
from enum import Flag, auto
from pathlib import PurePath
-from typing import ClassVar
+from typing import ClassVar, cast
from typing_extensions import Self, Unpack
@@ -577,6 +577,56 @@ class TestPmdPortStats(TextParser):
tx_bps: int = field(metadata=TextParser.find_int(r"Tx-bps:\s+(\d+)"))
+@dataclass
+class TestPmdPortQueue(TextParser):
+ """Dataclass representation of the common parts of the testpmd `show rxq/txq info` commands."""
+
+ #:
+ prefetch_threshold: int = field(metadata=TextParser.find_int(r"prefetch threshold: (\d+)"))
+ #:
+ host_threshold: int = field(metadata=TextParser.find_int(r"host threshold: (\d+)"))
+ #:
+ writeback_threshold: int = field(metadata=TextParser.find_int(r"writeback threshold: (\d+)"))
+ #:
+ free_threshold: int = field(metadata=TextParser.find_int(r"free threshold: (\d+)"))
+ #:
+ deferred_start: bool = field(metadata=TextParser.find("deferred start: on"))
+ #: The number of RXD/TXDs is just the ring size of the queue.
+ ring_size: int = field(metadata=TextParser.find_int(r"Number of (?:RXDs|TXDs): (\d+)"))
+ #:
+ is_queue_started: bool = field(metadata=TextParser.find("queue state: started"))
+ #:
+ burst_mode: str | None = field(
+ default=None, metadata=TextParser.find(r"Burst mode: ([^\r\n]+)")
+ )
+
+
+@dataclass
+class TestPmdTxPortQueue(TestPmdPortQueue):
+ """Dataclass representation for testpmd `show txq info` command."""
+
+ #:
+ rs_threshold: int | None = field(
+ default=None, metadata=TextParser.find_int(r"RS threshold: (\d+)")
+ )
+
+
+@dataclass
+class TestPmdRxPortQueue(TestPmdPortQueue):
+ """Dataclass representation for testpmd `show rxq info` command."""
+
+ #:
+ mempool: str | None = field(default=None, metadata=TextParser.find(r"Mempool: ([^\r\n]+)"))
+ #:
+ can_drop_packets: bool | None = field(
+ default=None, metadata=TextParser.find(r"drop packets: on")
+ )
+ #:
+ is_scattering_packets: bool | None = field(
+ default=None, metadata=TextParser.find(r"scattered packets: on")
+ )
+
+
class TestPmdShell(DPDKShell):
"""Testpmd interactive shell.
@@ -804,6 +854,186 @@ def show_port_stats(self, port_id: int) -> TestPmdPortStats:
return TestPmdPortStats.parse(output)
+ def show_port_queue_info(
+ self, port_id: int, queue_id: int, is_rx_queue: bool
+ ) -> TestPmdPortQueue:
+ """Get the info for a queue on a given port.
+
+ Args:
+ port_id: ID of the port where the queue resides.
+ queue_id: ID of the queue to query.
+ is_rx_queue: Whether to check an RX or TX queue. If :data:`True` an RX queue will be
+ queried, otherwise a TX queue will be queried.
+
+ Raises:
+ InteractiveCommandExecutionError: If there is a failure when getting the info for the
+ queue.
+
+ Returns:
+ Information about the queue on the given port.
+ """
+ queue_type = "rxq" if is_rx_queue else "txq"
+ queue_info = self.send_command(
+ f"show {queue_type} info {port_id} {queue_id}", skip_first_line=True
+ )
+ if queue_info.startswith("ETHDEV: Invalid"):
+ raise InteractiveCommandExecutionError(
+ f"Could not get the info for {queue_type} {queue_id} on port {port_id}"
+ )
+ return (
+ TestPmdRxPortQueue.parse(queue_info)
+ if is_rx_queue
+ else TestPmdTxPortQueue.parse(queue_info)
+ )
+
+ def show_port_rx_queue_info(self, port_id: int, queue_id: int) -> TestPmdRxPortQueue:
+ """Get port queue info and cast to :class:`TestPmdRxPortQueue`.
+
+ Wrapper around :meth:`show_port_queue_info` that casts the more generic type into the
+ correct subclass.
+
+ Args:
+ port_id: ID of the port where the queue resides.
+ queue_id: ID of the queue to query.
+
+ Returns:
+ Information about the Rx queue on the given port.
+ """
+ return cast(TestPmdRxPortQueue, self.show_port_queue_info(port_id, queue_id, True))
+
+ def show_port_tx_queue_info(self, port_id: int, queue_id: int) -> TestPmdTxPortQueue:
+ """Get port queue info and cast to :class:`TestPmdTxPortQueue`.
+
+ Wrapper around :meth:`show_port_queue_info` that casts the more generic type into the
+ correct subclass.
+
+ Args:
+ port_id: ID of the port where the queue resides.
+ queue_id: ID of the queue to query.
+
+ Returns:
+ Information about the Tx queue on the given port.
+ """
+ return cast(TestPmdTxPortQueue, self.show_port_queue_info(port_id, queue_id, False))
+
+ def stop_port_queue(
+ self, port_id: int, queue_id: int, is_rx_queue: bool, verify: bool = True
+ ) -> None:
+ """Stops a given queue on a port.
+
+ Args:
+ port_id: ID of the port that the queue belongs to.
+ queue_id: ID of the queue to stop.
+ is_rx_queue: Type of queue to stop. If :data:`True` an RX queue will be stopped,
+ otherwise a TX queue will be stopped.
+ verify: If :data:`True` an additional command will be sent to verify the queue stopped.
+ Defaults to :data:`True`.
+
+ Raises:
+ InteractiveCommandExecutionError: If `verify` is :data:`True` and the queue fails to
+ stop.
+ """
+ port_type = "rxq" if is_rx_queue else "txq"
+ stop_cmd_output = self.send_command(f"port {port_id} {port_type} {queue_id} stop")
+ if verify:
+ if self.show_port_queue_info(port_id, queue_id, is_rx_queue).is_queue_started:
+ self._logger.debug(
+ f"Failed to stop {port_type} {queue_id} on port {port_id}:\n{stop_cmd_output}"
+ )
+ raise InteractiveCommandExecutionError(
+ f"Test pmd failed to stop {port_type} {queue_id} on port {port_id}"
+ )
+
+ def start_port_queue(
+ self, port_id: int, queue_id: int, is_rx_queue: bool, verify: bool = True
+ ) -> None:
+ """Starts a given queue on a port.
+
+ First sets up the port queue, then starts it.
+
+ Args:
+ port_id: ID of the port that the queue belongs to.
+ queue_id: ID of the queue to start.
+ is_rx_queue: Type of queue to start. If :data:`True` an RX queue will be started,
+ otherwise a TX queue will be started.
+ verify: if :data:`True` an additional command will be sent to verify that the queue was
+ started. Defaults to :data:`True`.
+
+ Raises:
+ InteractiveCommandExecutionError: If `verify` is :data:`True` and the queue fails to
+ start.
+ """
+ port_type = "rxq" if is_rx_queue else "txq"
+ self.setup_port_queue(port_id, queue_id, is_rx_queue)
+ start_cmd_output = self.send_command(f"port {port_id} {port_type} {queue_id} start")
+ if verify:
+ if not self.show_port_queue_info(port_id, queue_id, is_rx_queue).is_queue_started:
+ self._logger.debug(
+ f"Failed to start {port_type} {queue_id} on port {port_id}:\n{start_cmd_output}"
+ )
+ raise InteractiveCommandExecutionError(
+ f"Test pmd failed to start {port_type} {queue_id} on port {port_id}"
+ )
+
+ def setup_port_queue(self, port_id: int, queue_id: int, is_rx_queue: bool) -> None:
+ """Setup a given queue on a port.
+
+ This functionality cannot be verified because the setup action only takes effect when the
+ queue is started.
+
+ Args:
+ port_id: ID of the port where the queue resides.
+ queue_id: ID of the queue to setup.
+ is_rx_queue: Type of queue to setup. If :data:`True` an RX queue will be setup,
+ otherwise a TX queue will be setup.
+ """
+ self.send_command(f"port {port_id} {'rxq' if is_rx_queue else 'txq'} {queue_id} setup")
+
+ def set_promisc(self, port: int, on: bool, verify: bool = True) -> None:
+ """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_verbose(self, level: int, verify: bool = True) -> None:
+ """Set debug verbosity level.
+
+ Args:
+ level: 0 - silent except for error
+ 1 - fully verbose except for Tx packets
+ 2 - fully verbose except for Rx packets
+ >2 - fully verbose
+ verify: if :data:`True` an additional command will be sent to verify that verbose level
+ is properly set. Defaults to :data:`True`.
+
+ Raises:
+ InteractiveCommandExecutionError: If `verify` is :data:`True` and verbose level
+ is not correctly set.
+ """
+ verbose_output = self.send_command(f"set verbose {level}")
+ if verify:
+ if "Change verbose level" not in verbose_output:
+ self._logger.debug(f"Failed to set verbose level to {level}: \n{verbose_output}")
+ raise InteractiveCommandExecutionError(
+ f"Testpmd failed to set verbose level to {level}."
+ )
+
def _close(self) -> None:
"""Overrides :meth:`~.interactive_shell.close`."""
self.stop()