[dts] [PATCH] checksum_offload: Support this test in vector mode

[Tu, Lijuan]

Applied, thanks

> -----Original Message-----
> From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of
> pvukkisala at marvell.com
> Sent: Wednesday, June 26, 2019 6:14 PM
> To: dts at dpdk.org
> Cc: avijay at marvell.com; fmasood at marvell.com; Phanendra Vukkisala
> <pvukkisala at marvell.com>
> Subject: [dts] [PATCH] checksum_offload: Support this test in vector mode
> 
> From: Phanendra Vukkisala <pvukkisala at marvell.com>
> 
> Send and sniff 4 packets to support vector mode cavium HW stops
> calculating check sums upon receiving first incorrect checksum. So accept
> unknown also as bad
> 
> Signed-off-by: Phanendra Vukkisala <pvukkisala at marvell.com>
> ---
>  tests/TestSuite_checksum_offload.py |   13 ++++++++-----
>  1 file changed, 8 insertions(+), 5 deletions(-)
> 
> diff --git a/tests/TestSuite_checksum_offload.py
> b/tests/TestSuite_checksum_offload.py
> index db0663e..7176cb9 100644
> --- a/tests/TestSuite_checksum_offload.py
> +++ b/tests/TestSuite_checksum_offload.py
> @@ -129,7 +129,7 @@ class TestChecksumOffload(TestCase):
>          self.tester.scapy_foreground()
> 
>          for packet_type in packets_sent.keys():
> -            self.tester.scapy_append('sendp([%s], iface="%s")' %
> (packets_sent[packet_type], tx_interface))
> +            self.tester.scapy_append('sendp([%s], iface="%s", count=4)'
> + % (packets_sent[packet_type], tx_interface))
>              self.tester.scapy_execute()
>              out = self.dut.get_session_output(timeout=1)
>              lines = out.split("\r\n")
> @@ -146,7 +146,10 @@ class TestChecksumOffload(TestCase):
>                              if (flag == 1):
>                                  self.verify("PKT_RX_L4_CKSUM_GOOD" in line, "Packet Rx
> L4 checksum valid-flags error!")
>                              elif (flag == 0):
> -                                self.verify("PKT_RX_L4_CKSUM_BAD" in line, "Packet Rx
> L4 checksum valid-flags error!")
> +                                if self.nic == "cavium_a063":
> +                                    self.verify("PKT_RX_L4_CKSUM_BAD" in line or
> "PKT_RX_L4_CKSUM_UNKNOWN" in line, "Packet Rx L4 checksum valid-flags
> error!")
> +                                else:
> +                                    self.verify("PKT_RX_L4_CKSUM_BAD"
> + in line, "Packet Rx L4 checksum valid-flags error!")
>                      else:
>                          if "PKT_RX_L4_CKSUM" not in line:
>                              self.verify(0, "There is no L4 checksum flags appeared!")
> @@ -185,11 +188,11 @@ class TestChecksumOffload(TestCase):
> 
>          self.tester.send_expect("exit()", "#")
> 
> -        inst = self.tester.tcpdump_sniff_packets(intf=rx_interface,
> count=len(packets_sent),
> +        inst = self.tester.tcpdump_sniff_packets(intf=rx_interface,
> + count=len(packets_sent)*4,
>                  filters=[{'layer': 'ether', 'config': {'src': sniff_src}}])
> 
>          for packet_type in packets_sent.keys():
> -            self.tester.scapy_append('sendp([%s], iface="%s")' %
> (packets_sent[packet_type], tx_interface))
> +            self.tester.scapy_append('sendp([%s], iface="%s", count=4)'
> + % (packets_sent[packet_type], tx_interface))
> 
>          self.tester.scapy_execute()
>          p = self.tester.load_tcpdump_sniff_packets(inst)
> @@ -197,7 +200,7 @@ class TestChecksumOffload(TestCase):
>          reslist =
> [p[i].pktgen.pkt.sprintf("%IP.chksum%;%TCP.chksum%;%UDP.chksum%;%SCTP.
> chksum%") for i in range(nr_packets)]
>          out = string.join(reslist, ",")
>          packets_received = out.split(',')
> -        self.verify(len(packets_sent) == len(packets_received), "Unexpected
> Packets Drop")
> +        self.verify(len(packets_sent)*4 == len(packets_received),
> + "Unexpected Packets Drop")
> 
>          for packet_received in packets_received:
>              ip_checksum, tcp_checksum, udp_checksum, sctp_checksum =
> packet_received.split(';')
> --
> 1.7.9.5