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* [PATCH net-next v3 0/3] r8169: Implement dynamic ASPM mechanism for recent 1.0/2.5Gbps Realtek NICs
@ 2021-08-19  5:45 Kai-Heng Feng
  2021-08-19  5:45 ` [PATCH net-next v3 1/3] r8169: Implement dynamic ASPM mechanism Kai-Heng Feng
                   ` (3 more replies)
  0 siblings, 4 replies; 16+ messages in thread
From: Kai-Heng Feng @ 2021-08-19  5:45 UTC (permalink / raw)
  To: hkallweit1, nic_swsd, bhelgaas
  Cc: davem, kuba, netdev, linux-pci, linux-kernel, Kai-Heng Feng

The latest Realtek vendor driver and its Windows driver implements a
feature called "dynamic ASPM" which can improve performance on it's
ethernet NICs.

Heiner Kallweit pointed out the potential root cause can be that the
buffer is to small for its ASPM exit latency.

So bring the dynamic ASPM to r8169 so we can have both nice performance
and powersaving at the same time.

v2:
https://lore.kernel.org/netdev/20210812155341.817031-1-kai.heng.feng@canonical.com/

v1:
https://lore.kernel.org/netdev/20210803152823.515849-1-kai.heng.feng@canonical.com/

Kai-Heng Feng (3):
  r8169: Implement dynamic ASPM mechanism
  PCI/ASPM: Introduce a new helper to report ASPM support status
  r8169: Enable ASPM for selected NICs

 drivers/net/ethernet/realtek/r8169_main.c | 69 ++++++++++++++++++++---
 drivers/pci/pcie/aspm.c                   | 11 ++++
 include/linux/pci.h                       |  2 +
 3 files changed, 74 insertions(+), 8 deletions(-)

-- 
2.32.0


^ permalink raw reply	[flat|nested] 16+ messages in thread

end of thread, other threads:[~2021-08-27  6:23 UTC | newest]

Thread overview: 16+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-08-19  5:45 [PATCH net-next v3 0/3] r8169: Implement dynamic ASPM mechanism for recent 1.0/2.5Gbps Realtek NICs Kai-Heng Feng
2021-08-19  5:45 ` [PATCH net-next v3 1/3] r8169: Implement dynamic ASPM mechanism Kai-Heng Feng
2021-08-19 11:42   ` Bjorn Helgaas
2021-08-19 15:45     ` Heiner Kallweit
2021-08-20 21:03       ` Bjorn Helgaas
2021-08-24  7:39         ` Kai-Heng Feng
2021-08-24 14:53           ` Bjorn Helgaas
2021-08-27  4:56             ` Kai-Heng Feng
2021-08-19  5:45 ` [PATCH net-next v3 2/3] PCI/ASPM: Introduce a new helper to report ASPM support status Kai-Heng Feng
2021-08-19  5:45 ` [PATCH net-next v3 3/3] r8169: Enable ASPM for selected NICs Kai-Heng Feng
2021-08-19  6:02   ` Heiner Kallweit
2021-08-19  6:50     ` Kai-Heng Feng
2021-08-19  9:56       ` Heiner Kallweit
2021-08-27  6:23         ` Kai-Heng Feng
2021-08-19  6:08 ` [PATCH net-next v3 0/3] r8169: Implement dynamic ASPM mechanism for recent 1.0/2.5Gbps Realtek NICs Heiner Kallweit
2021-08-19  6:19   ` Kai-Heng Feng

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