Re: [dts] [DTS][PATCH V2 1/2] scatter: add scatter test suite

["Tang, HaifengX" <haifengx.tang@intel.com>]

>
>
>-----Original Message-----
>From: Fu, JingguoX 
>Sent: Thursday, May 28, 2015 4:37 PM
>To: dts@dpdk.org
>Cc: Xu, HuilongX; Tang, HaifengX; Fu, JingguoX
>Subject: [DTS][PATCH V2 1/2] scatter: add scatter test suite
>
>Signed-off-by: Jingguo Fu <jingguox.fu@intel.com>
>---
> tests/TestSuite_scatter.py | 132 +++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 132 insertions(+)
> create mode 100644 tests/TestSuite_scatter.py
>
>diff --git a/tests/TestSuite_scatter.py b/tests/TestSuite_scatter.py new file mode 100644 index 0000000..2ce5965
>--- /dev/null
>+++ b/tests/TestSuite_scatter.py
>@@ -0,0 +1,132 @@
>+# BSD LICENSE
>+#
>+# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
>+# All rights reserved.
>+#
>+# Redistribution and use in source and binary forms, with or without # 
>+modification, are permitted provided that the following conditions # 
>+are met:
>+#
>+#   * Redistributions of source code must retain the above copyright
>+#     notice, this list of conditions and the following disclaimer.
>+#   * Redistributions in binary form must reproduce the above copyright
>+#     notice, this list of conditions and the following disclaimer in
>+#     the documentation and/or other materials provided with the
>+#     distribution.
>+#   * Neither the name of Intel Corporation nor the names of its
>+#     contributors may be used to endorse or promote products derived
>+#     from this software without specific prior written permission.
>+#
>+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # 
>+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # 
>+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # 
>+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # 
>+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # 
>+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # 
>+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # 
>+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # 
>+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # 
>+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # 
>+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>+
>+"""
>+DPDK Test suite.
>+Test Scattered Packets.
>+"""
>+import dts
>+from test_case import TestCase
>+from pmd_output import PmdOutput
>+
>+EHTERNET_HEADER = 18
>+IP_HEADER = 20
>+DEFAULT_MBUF_SIZE = 2048
>+JUMBO_FRAME_MTU = 9000
>+STANDARD_MTU = 1500
>+#
>+#
>+# Test class.
>+#
>+class TestScatter(TestCase):
>+    #
>+    #
>+    #
>+    # Test cases.
>+    #
>+    def set_up_all(self):
>+        """
>+        Run at the start of each test suite.
>+        Scatter Prerequistites
>+        """
>+        dutPorts = self.dut.get_ports(self.nic)
>+        # Verify that enough ports are available
>+        self.verify(len(dutPorts) >= 2, "Insufficient ports")
>+        self.pmdout = PmdOutput(self.dut)
>+
>+    def scatter_pktgen_send_packet(self, sPortid, rPortid, pktsize, num=1):
>+        """
>+        Functional test for scatter packets.
>+        """
>+        sport = self.tester.get_local_port(sPortid)
>+        sintf = self.tester.get_interface(sport)
>+        smac = self.dut.get_mac_address(sPortid)
>+        rport = self.tester.get_local_port(rPortid)
>+        rintf = self.tester.get_interface(rport)
>+        self.tester.send_expect("ifconfig %s mtu %s" % (sintf, JUMBO_FRAME_MTU), "#")
>+        self.tester.send_expect("ifconfig %s mtu %s" % (rintf, 
>+ JUMBO_FRAME_MTU), "#")
>+
>+        self.tester.scapy_background()
>+        self.tester.scapy_append(
>+            'p = sniff(filter="ip",iface="%s", count=%d)' % (rintf, num))
>+        self.tester.scapy_append('RESULT = str(p)')
>+
>+        pktlen = pktsize - EHTERNET_HEADER
>+        padding = pktlen - IP_HEADER
>+
>+        self.tester.scapy_foreground()
>+        self.tester.scapy_append(
>+            'sendp([Ether(dst="%s")/IP(len=%s)/Raw(load="\x50"*%s)], iface="%s")' % (smac, pktlen, padding, sintf))
>+        self.tester.scapy_execute()
>+        res = self.tester.scapy_get_result()
>+        self.tester.send_expect("ifconfig %s mtu %s" % (sintf, STANDARD_MTU), "#")
>+        self.tester.send_expect("ifconfig %s mtu %s" % (rintf, STANDARD_MTU), "#")
>+        return res
>+
>+    def set_up(self):
>+        """
>+        Run before each test case.
>+        """
>+        pass
>+
>+    def test_scatter_mbuf(self):
>+        """
>+        Scatter 2048 mbuf
>+        """
>+        dutPorts = self.dut.get_ports(self.nic)
>+        portMask = dts.create_mask(dutPorts[:2])
>+
>+        # set the mbuf size to 1024
>+        out = self.pmdout.start_testpmd(
>+            "Default", "--mbcache=200 --mbuf-size=%s --portmask=%s --max-pkt-len=%s" % (DEFAULT_MBUF_SIZE,portMask, JUMBO_FRAME_MTU))
>+        self.verify("Error" not in out, "launch error 1")
>+        self.dut.send_expect("set fwd mac", "testpmd> ", 120)
>+        self.dut.send_expect("start", "testpmd> ")
>+
>+        for offset in [-1, 0, 1, 4, 5]:
>+            ret = self.scatter_pktgen_send_packet(
>+                dutPorts[0], dutPorts[1], DEFAULT_MBUF_SIZE + offset)
>+            self.verify("load='P" in ret, "packet receive error")
>+
>+        self.dut.send_expect("stop", "testpmd> ")
>+        self.dut.send_expect("quit", "# ", 30)
>+
>+    def tear_down(self):
>+        """
>+        Run after each test case.
>+        """
>+        pass
>+
>+    def tear_down_all(self):
>+        """
>+        Run after each test suite.
>+        """
>+        pass
>--
>2.1.0
Acked-by: Haifeng Tang <haifengx.tang@intel.com>