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<p class="MsoNormal">Hello <span style="font-size:12.0pt;color:black">Haider,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black">The full mlx5 pmd support for these API is planned for 22.11.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Soon, we’ll start sending the patches.<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal">Asaf Penso<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Haider Ali <haider@dreambigsemi.com> <br>
<b>Sent:</b> Tuesday, September 20, 2022 3:13 PM<br>
<b>To:</b> users <users@dpdk.org><br>
<b>Subject:</b> [mlx5] (segmentation fault) rte_flow Template and Asynchronous APIs
<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Hi,<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">I am trying to test the new rte_flow template and asynchronous APIs but when I start the testpmd application I got a segmentation fault.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">$ sudo ./app/dpdk-testpmd -a 04:00.1,dv_flow_en=2 -- -i --rxq=8 --txq=8<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">EAL: Detected CPU lcores: 48<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">EAL: Detected NUMA nodes: 2<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">EAL: Detected static linkage of DPDK<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">EAL: Multi-process socket /var/run/dpdk/rte/mp_socket<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">EAL: Selected IOVA mode 'PA'<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">EAL: VFIO support initialized<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">EAL: Probe PCI driver: mlx5_pci (15b3:101d) device: 0000:04:00.1 (socket 0)<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">mlx5_common: DevX create q counter set failed errno=22 status=0 syndrome=0<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">TELEMETRY: No legacy callbacks, legacy socket not created<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Interactive-mode selected<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">testpmd: create a new mbuf pool <mb_pool_0>: n=523456, size=2176, socket=0<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">testpmd: preferred mempool ops selected: ring_mp_mc<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">testpmd: create a new mbuf pool <mb_pool_1>: n=523456, size=2176, socket=1<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">testpmd: preferred mempool ops selected: ring_mp_mc<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Warning! port-topology=paired and odd forward ports number, the last port will pair with itself.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Configuring Port 0 (socket 0)<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Segmentation fault<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><b><span style="font-size:12.0pt;color:black">Secondly, I also tried to debug the code and found that there are some missing functions in mlx5 PMD (mlx5_flow_hw_drv_ops): </span></b><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Configuring Port 0 (socket 0)
<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Thread 1 "dpdk-testpmd" received signal SIGSEGV, Segmentation fault.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">0x0000000000000000 in ?? ()<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">(gdb) bt
<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">#0 0x0000000000000000 in ?? ()<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">#1 0x000000000201fb7e in flow_drv_validate (dev=0x7ce4d80 <rte_eth_devices>, attr=0x7fffffffd150, items=0x7fffffffd0f0, actions=0x7fffffffd0a0, external=false, hairpin=0,
error=0x7fffffffd080)<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"> at ../drivers/net/mlx5/mlx5_flow.c:3770<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">#2 0x00000000020302b1 in flow_list_create (dev=0x7ce4d80 <rte_eth_devices>, type=MLX5_FLOW_TYPE_CTL, attr=0x7fffffffd150, items=0x7fffffffd0f0, original_actions=0x7fffffffd0a0,
external=false, <o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"> error=0x7fffffffd080) at ../drivers/net/mlx5/mlx5_flow.c:6872<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">#3 0x0000000002031976 in mlx5_ctrl_flow_vlan (dev=0x7ce4d80 <rte_eth_devices>, eth_spec=0x7fffffffd2c0, eth_mask=0x7fffffffd2c0, vlan_spec=0x0, vlan_mask=0x0) at ../drivers/net/mlx5/mlx5_flow.c:7626<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">#4 0x00000000020319dd in mlx5_ctrl_flow (dev=0x7ce4d80 <rte_eth_devices>, eth_spec=0x7fffffffd2c0, eth_mask=0x7fffffffd2c0) at ../drivers/net/mlx5/mlx5_flow.c:7651<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">#5 0x00000000020c86c5 in mlx5_traffic_enable (dev=0x7ce4d80 <rte_eth_devices>) at ../drivers/net/mlx5/mlx5_trigger.c:1411<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">#6 0x00000000020c7b6d in mlx5_dev_start (dev=0x7ce4d80 <rte_eth_devices>) at ../drivers/net/mlx5/mlx5_trigger.c:1173<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">#7 0x0000000000ae286a in rte_eth_dev_start (port_id=0) at ../lib/ethdev/rte_ethdev.c:1474<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">#8 0x000000000066b0ff in eth_dev_start_mp (port_id=0) at ../app/test-pmd/testpmd.c:646<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">#9 0x0000000000670135 in start_port (pid=65535) at ../app/test-pmd/testpmd.c:3027<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">#10 0x00000000006731e7 in main (argc=4, argv=0x7fffffffe3d0) at ../app/test-pmd/testpmd.c:4398<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">(gdb)
<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Please correct me if I am doing anything wronf.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Regards,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Haider<o:p></o:p></span></p>
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