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Felix Fietkau 3d95968454 net: ethernet: mtk_eth_soc: fix remaining throughput regression 
[ Upstream commit e669ce4674 ]

Based on further tests, it seems that the QDMA shaper is not able to
perform shaping close to the MAC link rate without throughput loss.
This cannot be compensated by increasing the shaping rate, so it seems
to be an internal limit.

Fix the remaining throughput regression by detecting that condition and
limiting shaping to ports with lower link speed.

This patch intentionally ignores link speed gain from TRGMII, because
even on such links, shaping to 1000 Mbit/s incurs some throughput
degradation.

Fixes: f63959c7ee ("net: ethernet: mtk_eth_soc: implement multi-queue support for per-port queues")
Tested-By: Frank Wunderlich <frank-w@public-files.de>
Reported-by: Frank Wunderlich <frank-w@public-files.de>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-04-13 17:02:38 +02:00
arch KVM: s390: pv: fix external interruption loop not always detected 2023-04-13 17:02:36 +02:00
block block: count 'ios' and 'sectors' when io is done for bio-based device 2023-03-22 13:37:50 +01:00
certs certs: Fix build error when PKCS#11 URI contains semicolon 2023-01-31 17:53:01 +09:00
crypto crypto: rsa-pkcs1pad - Use akcipher_request_complete 2023-03-10 09:28:18 +01:00
Documentation dt-bindings: mtd: jedec,spi-nor: Document CPOL/CPHA support 2023-04-06 12:12:45 +02:00
drivers net: ethernet: mtk_eth_soc: fix remaining throughput regression 2023-04-13 17:02:38 +02:00
fs nfsd: call op_release, even when op_func returns an error 2023-04-13 17:02:37 +02:00
include net: phylink: add phylink_expects_phy() method 2023-04-13 17:02:37 +02:00
init Kbuild fixes for v6.2 (3rd) 2023-01-21 10:56:37 -08:00
io_uring io_uring: fix poll/netmsg alloc caches 2023-04-06 12:12:42 +02:00
ipc Non-MM patches for 6.2-rc1. 2022-12-12 17:28:58 -08:00
kernel tracing: Fix wrong return in kprobe_event_gen_test.c 2023-04-06 12:12:30 +02:00
lib zstd: Fix definition of assert() 2023-04-06 12:12:25 +02:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm/ksm: fix race with VMA iteration and mm_struct teardown 2023-03-30 12:51:41 +02:00
net net: don't let netpoll invoke NAPI if in xmit context 2023-04-13 17:02:38 +02:00
rust rust: print: avoid evaluating arguments in pr_* macros in unsafe blocks 2023-01-16 00:54:35 +01:00
samples ftrace: Export ftrace_free_filter() to modules 2023-01-24 11:20:58 -05:00
scripts modpost: Fix processing of CRCs on 32-bit build machines 2023-04-06 12:12:43 +02:00
security keys: Do not cache key in task struct if key is requested from kernel thread 2023-03-30 12:50:57 +02:00
sound ALSA: hda/hdmi: Preserve the previous PCM device upon re-enablement 2023-04-13 17:02:38 +02:00
tools libbpf: Fix btf_dump's packed struct determination 2023-04-06 12:12:48 +02:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt KVM: Register /dev/kvm as the _very_ last thing during initialization 2023-03-10 09:29:33 +01:00
.clang-format iommufd for 6.2 2022-12-14 09:15:43 -08:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore *.rpm 2022-12-30 17:22:14 +09:00
.mailmap 12 hotfixes, mostly against mm/. Five of these fixes are cc:stable. 2023-02-13 14:09:20 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: update SCTP maintainers 2023-02-02 11:35:33 -08:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS audit: update the mailing list in MAINTAINERS 2023-02-25 11:13:29 +01:00
Makefile Linux 6.2.10 2023-04-06 12:12:48 +02:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.

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.