http://bugs.dpdk.org/show_bug.cgi?id=1797
Bug ID: 1797
Summary: [dpdk-25.11-rc0]
rxtx_offload/txoffload_port_multi_segs: set multi segs
failed
Product: DPDK
Version: unspecified
Hardware: All
OS: FreeBSD
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: testpmd
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
ENV:
====
DPDK version: dpdk25.11.0-rc0: 1d627ea13aeec2bcccf27246e6be2508370d171e
OS: FreeBSD 14.3-RELEASE/14.3-RELEASE
Compiler: gcc version 13.3.0 (FreeBSD Ports Collection)
Hardware platform: Intel(R) Xeon(R) Gold 6348 CPU @ 2.60GHz
NIC hardware:Intel Corporation Ethernet Controller E810-C for SFP
NIC firmware:
Driver: ice-2.0.9
NVM: nvm 4.90 etid 80020f02 netlist 4.4.2000-1.17.0.dfc6695b oem 1.3863.0
DDP: ICE OS Default Package version 1.3.44.0
step:
=====
1. bind ports to DPDK
kenv hw.nic_uio.bdfs="75:0:0,75:0:1,75:0:2,75:0:3"
kldload ./x86_64-native-bsdapp-gcc/kmod/nic_uio.ko 2. exit testpmd
2. Launch testpmd x86_64-native-bsdapp-gcc/app/dpdk-testpmd -l 0,2,4,28 -n 4 -a
0000:4b:00.0 -a 0000:4b:00.1 -a 0000:4b:00.2 -a 0000:4b:00.3 -- -i
port stop all
port config 0 tx_offload multi_segs on
port config 1 tx_offload multi_segs on
port config 2 tx_offload multi_segs on
port config 3 tx_offload multi_segs on
port start all
port start 0
output
======
Configuring Port 0 (socket 0)
ETHDEV: id=0 offload clash, MULTI_SEGS vs MBUF_FAST_FREE
Fail to configure port 0
Expected Result
===============
testpmd> show port 0 tx_offload configuration
Tx Offloading Configuration of port 0 :
Port : MULTI_SEGS
Queue[ 0] : MULTI_SEGS
bad commit
==========
commit fdb840367cf0d6abeb17b05623679b8d1ea4c902
Author: Morten Brørup <[email protected]>
Date: Sun Aug 3 19:42:18 2025 +0000
ethdev: reject conflicting Tx offload configurations
When an ethdev port is configured for fast mbuf release, the driver can
use a Tx burst function relying on the fast mbuf release preconditions.
Thus, also configuring this port or a queue on the port for transmitting
segmented packets is prohibited.
Checks for these conflicting configurations have been added to the ethdev
library, so the drivers don't have to implement them.
Signed-off-by: Morten Brørup <[email protected]>
Acked-by: Bruce Richardson <[email protected]>
Acked-by: Andrew Rybchenko <[email protected]>
Acked-by: Konstantin Ananyev <[email protected]>
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