[dpdk-dev] [PATCH 0/4] cxgbe: latency and performance fixes

Rahul Lakkireddy rahul.lakkireddy at chelsio.com
Sat May 27 05:47:56 CEST 2017


This series of patches rework TX and RX path to reduce latency
and improve performance.

Patch 1 reduces latency for slow traffic by using status page update
on RX path to process batch of packets and improves coalesce TX path
to handle slow moving traffic.

Patch 2 fixes an issue with RXQ default parameters not being applied
to all ports under same PF.

Patch 3 fixes rmb bottleneck in RX path.

Patch 4 adds ability to configure PCIe extended tags.

This series depend on following series:

"cxgbe: add support for Chelsio T6 family of adapters"

Thanks,
Rahul

Rahul Lakkireddy (4):
  cxgbe: improve latency for slow traffic
  cxgbe: fix rxq default params for ports under same PF
  cxgbe: remove rmb bottleneck in RX path
  cxgbe: configure PCIe extended tags

 config/common_base                      |   3 +-
 doc/guides/nics/cxgbe.rst               |   4 +
 doc/guides/rel_notes/release_17_08.rst  |   5 +
 drivers/net/cxgbe/base/adapter.h        |   5 +-
 drivers/net/cxgbe/base/t4_regs.h        |  20 +++
 drivers/net/cxgbe/base/t4_regs_values.h |   2 +-
 drivers/net/cxgbe/base/t4fw_interface.h |   8 +
 drivers/net/cxgbe/cxgbe.h               |   3 +-
 drivers/net/cxgbe/cxgbe_compat.h        |  11 +-
 drivers/net/cxgbe/cxgbe_ethdev.c        |   5 +-
 drivers/net/cxgbe/cxgbe_main.c          |  69 +++++---
 drivers/net/cxgbe/sge.c                 | 270 ++++++++++++++++++--------------
 12 files changed, 255 insertions(+), 150 deletions(-)

-- 
2.5.3



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