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

Furong Xu
2025-01-15T03:27:28Z

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(-)

--
2.34.1