On 2/4/2026 12:03 PM, Tariq Toukan wrote:

Performance numbers for x86:
+---------------------------------------------------------+
| Test                | Baseline   | Header Copy | Change |
|---------------------+------------+-------------+--------|
| iperf3 oncpu        |  59.5 Gbps |  64.00 Gbps |   7 %  |
| iperf3 offcpu       | 102.5 Gbps | 104.20 Gbps |   2 %  |
| kperf oncpu         | 115.0 Gbps | 130.00 Gbps |  12 %  |
| XDP_DROP (skb mode) |   3.9 Mpps |   3.9 Mpps  |   0 %  |
+---------------------------------------------------------+

Notes on test:
- System: Intel(R) Xeon(R) Platinum 8380 CPU @ 2.30GHz
- oncpu: NAPI and application running on same CPU
- offcpu: NAPI and application running on different CPUs
- MTU: 1500
- iperf3 tests are single stream, 60s with IPv6 (for slightly larger
   headers)
- kperf version [1]

[1] git://git.kernel.dk/kperf.git

Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
---
  drivers/net/ethernet/mellanox/mlx5/core/en.h  |  20 +-
  .../ethernet/mellanox/mlx5/core/en/params.c   |  23 --
  .../net/ethernet/mellanox/mlx5/core/en/txrx.h |   1 -
  .../net/ethernet/mellanox/mlx5/core/en_main.c | 287 +++++++--------
  .../net/ethernet/mellanox/mlx5/core/en_rx.c   | 341 +++---------------
  5 files changed, 188 insertions(+), 484 deletions(-)

Faster and less code is always a nice thing to see.

Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>