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From: Xie wei <weix.xie@intel.com>
To: dts@dpdk.org
Cc: Xie wei <weix.xie@intel.com>
Subject: [dts] [PATCH V1 2/2] tests/kernelpf_iavf: change jumbo frames to adpat dpdk
Date: Thu,  4 Feb 2021 17:07:45 +0800
Message-ID: <20210204090745.21686-3-weix.xie@intel.com> (raw)
In-Reply-To: <20210204090745.21686-1-weix.xie@intel.com>

DPDK can receive max packet length: mtu + 14(IP_hearder_len) + 4(CRC) + 4(VLAN header len) + 4(VLAN header len)
For example:
MTU = max_pkg_len - 18
if max_pkg_len is 1518 and MTU is 1500, so DPDK can receive max packet length is 1526.

Signed-off-by: Xie wei <weix.xie@intel.com>
---
 tests/TestSuite_kernelpf_iavf.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/TestSuite_kernelpf_iavf.py b/tests/TestSuite_kernelpf_iavf.py
index 1dcbc685..5db1ec00 100644
--- a/tests/TestSuite_kernelpf_iavf.py
+++ b/tests/TestSuite_kernelpf_iavf.py
@@ -586,7 +586,7 @@ class TestKernelpfIavf(TestCase):
         self.vm_testpmd.execute_cmd("set fwd mac")
         self.vm_testpmd.execute_cmd("start")
         self.jumboframes_send_packet(ETHER_STANDARD_MTU - 1, True)
-        self.jumboframes_send_packet(ETHER_STANDARD_MTU + 1, False)
+        self.jumboframes_send_packet(ETHER_STANDARD_MTU + 1 + 4 + 4, False)
         self.tester.send_expect("ifconfig %s mtu %s" % (self.tester_intf, ETHER_STANDARD_MTU), "#")
 
     def test_vf_with_jumboframe(self):
-- 
2.17.1


  parent reply	other threads:[~2021-02-04  9:04 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-04  9:07 [dts] [PATCH V1 0/2] " Xie wei
2021-02-04  9:07 ` [dts] [PATCH V1 1/2] tests/vf_jumboframe: " Xie wei
2021-02-04  9:07 ` Xie wei [this message]
2021-02-04  9:13 ` [dts] [PATCH V1 0/2] " Xie, WeiX
2021-02-05  1:55   ` Zhao, HaiyangX
2021-02-19  7:23     ` Tu, Lijuan

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