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Filename Latest commit message Latest commit date
Petr Machata 3a3539cd36 mlxsw: spectrum_buffers: Set up a dedicated pool for BUM traffic 
MC-aware mode was recently enabled by mlxsw on Spectrum switches in
commit 7b81953066 ("mlxsw: spectrum: Configure MC-aware mode on mlxsw
ports"). Unfortunately, testing has shown that the fix is incomplete and
in the presented form actually makes the problem even worse, because any
amount of MC traffic causes UC disruption.

The reason for this is that currently, mlxsw configures the MC-specific
TCs (8..15) to map to pool 0. It also configures a maximum buffer size
of 0, but for MC traffic that maximum is disregarded and not part of the
quota. Therefore MC traffic is always admitted to the egress buffer.

Fix the configuration by directing the MC TCs into pool 15, which is
dedicated to MC traffic and recognized as such by the silicon.

Fixes: 7b81953066 ("mlxsw: spectrum: Configure MC-aware mode on mlxsw ports")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-05 07:55:43 -07:00
arch dma-mapping fixes for 4.19-rc2 2018-09-02 20:09:36 -07:00
block block: bsg: move atomic_t ref_count variable to refcount API 2018-08-27 19:17:02 -06:00
certs
crypto
Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-09-04 12:45:11 -07:00
drivers mlxsw: spectrum_buffers: Set up a dedicated pool for BUM traffic 2018-09-05 07:55:43 -07:00
firmware
fs Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-09-02 09:41:45 -07:00
include Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-09-04 12:45:11 -07:00
init Kbuild updates for v4.19 (2nd) 2018-08-25 13:40:38 -07:00
ipc
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-09-04 12:45:11 -07:00
lib Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-09-02 09:41:45 -07:00
LICENSES
mm notifier: Remove notifier header file wherever not used 2018-08-30 12:56:40 +02:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-09-04 12:45:11 -07:00
samples
scripts Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-09-02 10:11:30 -07:00
security + Cleanups 2018-08-24 13:00:33 -07:00
sound Merge branch 'akpm' (patches from Andrew) 2018-08-23 19:20:12 -07:00
tools tools/bpf: bpftool, add xskmap in map types 2018-09-02 22:30:39 +02:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap libnvdimm-for-4.19_misc 2018-08-25 18:13:10 -07:00
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Fix up libata MAINTAINERS entry 2018-08-27 08:07:25 -07:00
Makefile Linux 4.19-rc2 2018-09-02 14:37:30 -07:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.