> -----Original Message-----
> From: Jiang, YuX <yux.jiang@intel.com>
> Sent: Wednesday, August 25, 2021 11:12 AM
> To: dts@dpdk.org
> Cc: Jiang, YuX <yux.jiang@intel.com>
> Subject: [dts][PATCH V2 1/2] tests/rxtx_offload: add tx offload multi_segs
> setting case
>
> vector path doesn't support multi-segment packet transmit, only normal
> path supports multi-segment packet transmit.
> Use 'port config 0 tx_offload multi_segs on' or "--tx-offloads=0x00008000"
> parameter to enable multi segment offload.
>
> Signed-off-by: Yu Jiang <yux.jiang@intel.com>
> ---
Tested-by: Yu Jiang <yux.jiang@intel.com>
@@ -209,6 +209,26 @@ class TestRxTx_Offload(TestCase):
acl_offload = offloads[offload[i]]
self.verify(acl_offload in queue_line[i], "Fail to configure offload by queue.")
i = i + 1
+
+ def verify_packets_increasing(self, rxtx="tx", count=2):
+ # Verify RXTX-packets increasing on each ports, check count < 25
+ out1 = self.dut.send_expect("show port stats all", "testpmd> ")
+ i = 0
+ while i < count:
+ if rxtx == "tx":
+ pks_l1 = re.findall(r'TX-packets: (\w+)', out1)
+ time.sleep(15)
+ out1 = self.dut.send_expect("show port stats all", "testpmd> ")
+ pks_l2 = re.findall(r'TX-packets: (\w+)', out1)
+ self.logger.info("Times="+ str(i) + ", count=" + str(count) + ", pks2_cur=" + str(pks_l2) + ", pks1_before=" + str(pks_l1))
+ for index in range(len(pks_l2)):
+ self.verify(int(pks_l2[index]) > int(pks_l1[index]), "TX-packets hang")
+ if int(pks_l1[index]) < 100000000 or int(pks_l2[index]) < 100000000:
+ count += 1
+ i += 1
+ if count > 25:
+ self.verify(False, "Check count timeout")
+ break
def get_queue_number(self, packet):
"""
@@ -716,6 +736,52 @@ class TestRxTx_Offload(TestCase):
offload = ["mbuf_fast_free"]
self.check_port_config("tx", offload)
+ def test_txoffload_port_multi_segs(self):
+ """
+ Tx offload multi_segs setting.
+ """
+ offload = ["multi_segs"]
+ # Start testpmd with "--tx-offloads=0x00008000" to enable multi_segs tx_offload
+ self.pmdout.start_testpmd("%s" % self.cores, "--tx-offloads=0x00008000")
+ for portid in range(len(self.dut_ports)):
+ self.check_port_config(rxtx="tx", offload=offload, port_id=portid)
+
+ # Set fwd to txonly, Set the length of each segment of the TX-ONLY packets, Set the split policy for TX packets, then start to send pkgs
+ self.dut.send_expect("set fwd txonly", "testpmd> ")
+ self.dut.send_expect("set txpkts 64,128,512,2000,64,128,512,2000", "testpmd> ")
+ self.dut.send_expect("set txsplit rand", "testpmd> ")
+ self.dut.send_expect("start", "testpmd> ")
+
+ # Check TX-packets will not hang and continue to increase
+ self.verify_packets_increasing(rxtx="tx")
+ self.dut.send_expect("stop", "testpmd> ")
+ self.dut.send_expect("quit", "# ")
+
+ # Start testpmd again without "--tx-offloads", check multi-segs is disabled by default
+ self.pmdout.start_testpmd("%s" % self.cores, " ")
+ for portid in range(len(self.dut_ports)):
+ outstring = self.dut.send_expect("show port %d tx_offload configuration" % portid, "testpmd> ")
+ self.verify("MULTI_SEGS" not in outstring, "multi-segs is not disabled by default")
+
+ self.dut.send_expect("port stop all", "testpmd> ")
+ for portid in range(len(self.dut_ports)):
+ cmd = "port config {} tx_offload multi_segs on".format(portid)
+ self.dut.send_expect(cmd, "testpmd> ")
+ self.dut.send_expect("port start all", "testpmd> ")
+ for portid in range(len(self.dut_ports)):
+ self.check_port_config(rxtx="tx", offload=offload, port_id=portid)
+
+ # Set fwd to txonly, Set the length of each segment of the TX-ONLY packets, Set the split policy for TX packets, then start to send pkgs
+ self.dut.send_expect("set fwd txonly", "testpmd> ")
+ self.dut.send_expect("set txpkts 64,128,256,512,64,128,256,512", "testpmd> ")
+ self.dut.send_expect("set txsplit rand", "testpmd> ")
+ self.dut.send_expect("start", "testpmd> ")
+
+ # Check TX-packets will not hang and continue to increase
+ self.verify_packets_increasing(rxtx="tx")
+ self.dut.send_expect("stop", "testpmd> ")
+ self.dut.send_expect("quit", "# ")
+
def tear_down(self):
"""
Run after each test case.