|SUCCESS|dpdk|edd57b2e68| intel-Functional
sys_stv at intel.com
sys_stv at intel.com
Tue Sep 29 01:11:37 CEST 2026
Test-Label: intel-Functional
Test-Status: SUCCESS
_Functional PASS_
DPDK git repo: dpdk
commit edd57b2e68d305461d34f7fd2925f4ac671e5dd9
Author: Su Sai <spiderdetective.ss at gmail.com>
Date: Wed Jul 8 15:17:42 2026 +0800
net: fix raw checksum of multi-segments
The rte_raw_cksum_mbuf function is used to compute
the raw checksum of a packet.
If the packet payload stored in multi mbuf, the function
will goto the hard case. In hard case,
the variable 'tmp' is a type of uint32_t,
so rte_bswap16 will drop high 16 bit.
Meanwhile, the variable 'sum' is a type of uint32_t,
so 'sum += tmp' will drop the carry when overflow.
Both drop will make cksum incorrect.
This commit fixes the above bug.
Fixes: c442fed81bb9 ("net: add function to calculate checksum in mbuf")
Cc: stable at dpdk.org
Signed-off-by: Su Sai <spiderdetective.ss at gmail.com>
Acked-by: Marat Khalili <marat.khalili at huawei.com>
Smoke-Testing Summary : 31 Case Done, 31 Successful, 0 Failures
OS : Ubuntu 24.04.4 LTS
Kernel : 6.8.0-71-generic
GCC : 13.3.0-6ubuntu2~24.04.1
NIC : Ethernet Controller XL710 for 40GbE QSFP+
Target : x86_64-native-linuxapp-gcc
Test result details:
+-----------------+---------------------------------------------------+-------+
| suite | case | status|
+-----------------+---------------------------------------------------+-------+
| checksum_offload| test_do_not_insert_checksum_on_the_transmit_packet| passed|
| checksum_offload| test_hardware_checksum_check_ip_rx | passed|
| checksum_offload| test_hardware_checksum_check_ip_tx | passed|
| checksum_offload| test_hardware_checksum_check_l4_rx | passed|
| checksum_offload| test_hardware_checksum_check_l4_tx | passed|
| checksum_offload| test_insert_checksum_on_the_transmit_packet | passed|
| checksum_offload| test_rx_checksum_valid_flags | passed|
| checksum_offload| test_checksum_offload_with_vlan | n/a |
| dual_vlan | test_dual_vlan_priority_rxtx | passed|
| dual_vlan | test_vlan_filter_config | passed|
| dual_vlan | test_vlan_filter_table | passed|
| dual_vlan | test_vlan_insert_config | passed|
| dual_vlan | test_vlan_random_test | passed|
| dual_vlan | test_vlan_strip_config | passed|
| dual_vlan | test_vlan_synthetic_test | passed|
| dual_vlan | test_vlan_tpid_config | passed|
| dual_vlan | test_vlan_stripq_config | n/a |
| jumboframes | test_jumboframes_bigger_jumbo | passed|
| jumboframes | test_jumboframes_jumbo_jumbo | passed|
| jumboframes | test_jumboframes_jumbo_nojumbo | passed|
| jumboframes | test_jumboframes_normal_jumbo | passed|
| jumboframes | test_jumboframes_normal_nojumbo | passed|
| rxtx_offload | test_rxoffload_port_all | passed|
| rxtx_offload | test_rxoffload_port_cmdline | passed|
| rxtx_offload | test_txoffload_port | passed|
| rxtx_offload | test_txoffload_port_all | passed|
| rxtx_offload | test_txoffload_port_checksum | passed|
| rxtx_offload | test_txoffload_port_cmdline | passed|
| rxtx_offload | test_txoffload_port_multi_segs | passed|
| rxtx_offload | test_txoffload_queue | passed|
| rxtx_offload | test_rxoffload_queue | n/a |
+-----------------+---------------------------------------------------+-------+
DPDK STV team
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