[net-next,v3,0/4] net: stmmac: RX performance improvement

Message

Furong Xu Jan. 15, 2025, 3:27 a.m. UTC

This series improves RX performance a lot, ~40% TCP RX throughput boost
has been observed with DWXGMAC CORE 3.20a running on Cortex-A65 CPUs:
from 2.18 Gbits/sec increased to 3.06 Gbits/sec.

---
Changes in v3:
  1. Convert prefetch() to net_prefetch() to get better performance (Joe Damato)

  v2: https://patchwork.kernel.org/project/netdevbpf/list/?series=924912&state=%2A&archive=both

Changes in v2:
  1. No cache prefetch for frags (Alexander Lobakin)
  2. Fix code style warning reported by netdev CI on Patchwork

  v1: https://patchwork.kernel.org/project/netdevbpf/list/?series=924103&state=%2A&archive=both
---

Furong Xu (4):
  net: stmmac: Switch to zero-copy in non-XDP RX path
  net: stmmac: Set page_pool_params.max_len to a precise size
  net: stmmac: Optimize cache prefetch in RX path
  net: stmmac: Convert prefetch() to net_prefetch() for received frames

 drivers/net/ethernet/stmicro/stmmac/stmmac.h  |  1 +
 .../net/ethernet/stmicro/stmmac/stmmac_main.c | 34 +++++++++++--------
 .../net/ethernet/stmicro/stmmac/stmmac_xdp.h  |  1 -
 3 files changed, 21 insertions(+), 15 deletions(-)

Comments

[e-mail] Jan. 16, 2025, 11:40 a.m. UTC | #1

Hello:

This series was applied to netdev/net-next.git (main)
by Paolo Abeni <[e-mail]>:

On Wed, 15 Jan 2025 11:27:01 +0800 you wrote:
> This series improves RX performance a lot, ~40% TCP RX throughput boost
> has been observed with DWXGMAC CORE 3.20a running on Cortex-A65 CPUs:
> from 2.18 Gbits/sec increased to 3.06 Gbits/sec.
> 
> ---
> Changes in v3:
>   1. Convert prefetch() to net_prefetch() to get better performance (Joe Damato)
> 
> [...]

Here is the summary with links:
  - [net-next,v3,1/4] net: stmmac: Switch to zero-copy in non-XDP RX path
    https://git.kernel.org/netdev/net-next/c/df542f669307
  - [net-next,v3,2/4] net: stmmac: Set page_pool_params.max_len to a precise size
    https://git.kernel.org/netdev/net-next/c/2324c78a75c5
  - [net-next,v3,3/4] net: stmmac: Optimize cache prefetch in RX path
    https://git.kernel.org/netdev/net-next/c/2a2931517c9a
  - [net-next,v3,4/4] net: stmmac: Convert prefetch() to net_prefetch() for received frames
    https://git.kernel.org/netdev/net-next/c/204182edb310

You are awesome, thank you!