nvgre/test_nvgre_ipv4_checksum_offload: checksum fail
https://bugs.dpdk.org/show_bug.cgi?id=1753
Bug ID: 1753
Summary: [dpdk-25.07-rc3]nvgre/test_nvgre_ipv4_checksum_offload
: checksum fail
Product: DPDK
Version: 25.03
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: testpmd
Assignee: [email protected]
Reporter: [email protected]Target Milestone: ---
Environment
===========
DPDK version: 9fe9c0b231c8da5435bfccb1963121b4277f961c version: dpdk25.07-rc3
OS: Fedora42/6.14.5-300.fc42.x86_64
Compiler: gcc version 15.1.1 20250425
Hardware platform: Intel(R) Xeon(R) Gold 6252N CPU @ 2.30GHz
NIC hardware: Intel Corporation Ethernet Controller X710 for 10GbE SFP+ (rev
01)
NIC firmware:
driver: vfio-pci
kdriver: i40e-2.28.7
firmware-version: 9.54 0x8000fb3f 1.3800.0
Test Setup
Steps to reproduce
==================
1.dut start testpmdusertools/dpdk-devbind.py --force --bind=vfio-pci 0000:31:00.0 0000:31:00.1 x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-5 -n 4 -a 0000:31:00.0 -a 0000:31:00.1 --file-prefix=dpdk_187982_20250711151456
--force-max-simd-bitwidth=64 -- -i --disable-rss --rxq=4 --txq=4 --nb-cores=4
--portmask=0x3 --enable-rx-cksum
testpmd> vlan set filter off 0
testpmd> set verbose 1
testpmd> set fwd csum
testpmd> port stop all
testpmd> csum set ip hw 1
testpmd> csum set udp hw 1
testpmd> csum set tcp hw 1
testpmd> csum set sctp hw 1
testpmd> csum set outer-ip hw 1
testpmd> csum parse-tunnel on 1
testpmd> port start all
testpmd> start
2. start tester scapy_0 to save the capture packet scapy
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p=sniff(iface="ens9f1",filter="ether[12:2]!=0x88cc",timeout=10)
3. start tester scapy_1 send pkt with error ip.checksum 0x1234 scapy
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p =
Ether(dst='3c:fd:fe:c0:e1:d8', src='00:00:10:00:00:00')/IP(frag=0, src='192.168.1.1', dst='192.168.1.2')/GRE(key_present=1, key=0x100)/Ether(dst='90:e2:ba:4a:34:89', src='90:e2:ba:4a:34:88', type=0x0800)/IP(frag=0, chksum=0x1234, src='192.168.2.1', dst='192.168.2.2')/UDP(sport=1021, dport=1021)/Raw(load=b'XXXXXXXXXXXXXXXXXX')sendp(p, iface="ens9f0")
4. save the capture packet into pcap format in tester scapy_0
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wrpcap("/root/capture.pcap", p)
5. check ip.checksum in tester
tshark -r /root/capture.pcap -T fields -e ip.checksum
Results:
========0x1234 is in output.
Expected Result:
================0xf56a is in output.
bad commit:
===========
commit a738c43ffaee9ba5d8eccb0e881e7c816d3c6415
Author: Dengdui Huang <[email protected]> Date: Mon Jun 16 16:27:02 2025 +0800
app/testpmd: fix tunnel inner info
The l2_len field of tunnel packets already includes the tunnel_len field. Additionally, the current offset used for the internal Ethernet header is incorrect. This patch fixes these issues.
Signature · 2 lines
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