[PATCH net v2 0/2] net: ixgbe: Use new flag to disable Relaxed Ordering
flat view
STALE3355d
SUPERSEDED
From: Ding Tianhong <hidden>
Date: 2017-08-17 03:25:41
Also in:
intel-wired-lan, lkml, sparclinux
Subsystem:
intel ethernet drivers, networking drivers, sparc + ultrasparc (sparc/sparc64), the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Andreas Larsson, Linus Torvalds
Status: Superseded by v3 (posted 2017-08-20). [go to v3]
Revision v2 (3 revisions archived).
Revisions (3)
- v1
- v2 current [diff against previous]
- v3 [diff against previous] re-posted go to this post
The new flag PCI_DEV_FLAGS_NO_RELAXED_ORDERING has been added
to indicate that Relaxed Ordering Attributes (RO) should not
be used for Transaction Layer Packets (TLP) targeted toward
these affected Root Port, it will clear the bit4 in the PCIe
Device Control register, so the PCIe device drivers could
query PCIe configuration space to determine if it can send
TLPs to Root Port with the Relaxed Ordering Attributes set.
The ixgbe driver could use this flag to determine if it can
send TLPs to Root Port with the Relaxed Ordering Attributes set.
v2: Simplify the original program according Alex's suggestion,
remove the new ixgbe flag2 and only check the bit4 in the
PCIe Device Control register.
Ding Tianhong (2):
Revert commit 1a8b6d76dc5b ("net:add one common config...")
net: ixgbe: Use new PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag
arch/Kconfig | 3 --
arch/sparc/Kconfig | 1 -
drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c | 37 ++++++++++++-------------
drivers/net/ethernet/intel/ixgbe/ixgbe_common.c | 32 +++++++++++----------
4 files changed, 35 insertions(+), 38 deletions(-)
--
1.8.3.1