|SUCCESS|dpdk-next-net-mlx|2139a1b9d8| Intel-Testing
sys_stv at intel.com
sys_stv at intel.com
Thu Apr 30 00:26:46 CEST 2026
Test-Label: intel-Testing
Test-Status: SUCCESS
_Testing PASS_
DPDK git repo: dpdk-next-net-mlx
commit 2139a1b9d882ff0f44ffbbab3bcf2b5d542671d8
Author: Vincent Jardin <vjardin at free.fr>
Date: Tue Mar 24 17:50:47 2026 +0100
net/mlx5: add rate table capacity query API
Add rte_pmd_mlx5_pp_rate_table_query() to report the HW packet
pacing rate table size and how many entries are used by this port.
The total comes from the HCA QoS capability
packet_pacing_rate_table_size. The port_used count is derived by
collecting unique non-zero PP indices across this port's TX queues.
The rate table is a global shared HW resource: firmware, kernel,
other DPDK ports on the same device, and other application
instances may all consume entries. The port_used count is therefore
a lower bound of actual HW usage.
With shared PP allocation (flags=0), the kernel mlx5 driver reuses
a single rate table entry for all PP contexts with identical
parameters (rate, burst, packet size). Multiple queues configured
with the same rate share one pp_id, so port_used counts unique
entries, not the number of queues with rate limiting enabled.
Applications that need device-wide visibility should query all
ports on the same physical device and aggregate the results,
similar to how the kernel mlx5 driver tracks usage internally.
Acked-by: Viacheslav Ovsiienko <viacheslavo at nvidia.com>
Signed-off-by: Vincent Jardin <vjardin at free.fr>
Testing Summary : 18 Case Done, 18 Successful, 0 Failures
TestPlan:
pf_smoke: http://git.dpdk.org/tools/dts/tree/test_plans/pf_smoke_test_plan.rst
vf_smoke: http://git.dpdk.org/tools/dts/tree/test_plans/vf_smoke_test_plan.rst
virtio_smoke: http://git.dpdk.org/tools/dts/tree/test_plans/virtio_smoke_test_plan.rst
TestSuite:
pf_smoke: http://git.dpdk.org/tools/dts/tree/tests/TestSuite_pf_smoke.py
vf_smoke: http://git.dpdk.org/tools/dts/tree/tests/TestSuite_vf_smoke.py
virtio_smoke: http://git.dpdk.org/tools/dts/tree/tests/TestSuite_virtio_smoke.py
OS : Ubuntu 24.04.4 LTS
Kernel : 6.8.0-87-generic
GCC : 13.3.0-6ubuntu2~24.04.1
NIC : Ethernet Controller E810-C for SFP
Target : x86_64-native-linuxapp-gcc
Test result details:
+-------------+---------------------------+-------+
| suite | case | status|
+-------------+---------------------------+-------+
| asan_smoke | test_rxtx_with_ASan_enable| passed|
| pf_smoke | test_pf_jumbo_frames | passed|
| pf_smoke | test_pf_rss | passed|
| pf_smoke | test_pf_tx_rx_queue | passed|
| vf_smoke | test_vf_jumbo_frames | passed|
| vf_smoke | test_vf_rss | passed|
| vf_smoke | test_vf_tx_rx_queue | passed|
| virtio_smoke| test_virtio_loopback | passed|
| virtio_smoke| test_virtio_pvp | passed|
+-------------+---------------------------+-------+
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|
+-------------+---------------------------+-------+
| asan_smoke | test_rxtx_with_ASan_enable| passed|
| pf_smoke | test_pf_jumbo_frames | passed|
| pf_smoke | test_pf_rss | passed|
| pf_smoke | test_pf_tx_rx_queue | passed|
| vf_smoke | test_vf_rss | passed|
| vf_smoke | test_vf_tx_rx_queue | passed|
| vf_smoke | test_vf_jumbo_frames | n/a |
| virtio_smoke| test_virtio_loopback | passed|
| virtio_smoke| test_virtio_pvp | passed|
+-------------+---------------------------+-------+
DPDK STV team
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