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Aleksander Jan Bajkowski 1488fc2045 net: lantiq_xrx200: increase buffer reservation
If the user sets a lower mtu on the CPU port than on the switch,
then DMA inserts a few more bytes into the buffer than expected.
In the worst case, it may exceed the size of the buffer. The
experiments showed that the buffer should be a multiple of the
burst length value. This patch rounds the length of the rx buffer
upwards and fixes this bug. The reservation of FCS space in the
buffer has been removed as PMAC strips the FCS.

Fixes: 998ac35801 ("net: lantiq: add support for jumbo frames")
Reported-by: Thomas Nixon <tom@tomn.co.uk>
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-12-17 19:18:29 -08:00
Documentation Networking fixes for 5.16-rc6, including fixes from mac80211, wifi, bpf. 2021-12-16 15:02:14 -08:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
arch Networking fixes for 5.16-rc6, including fixes from mac80211, wifi, bpf. 2021-12-16 15:02:14 -08:00
block block-5.16-2021-12-10 2021-12-11 09:25:07 -08:00
certs certs: Add support for using elliptic curve keys for signing modules 2021-08-23 19:55:42 +03:00
crypto Update to zstd-1.4.10 2021-11-13 15:32:30 -08:00
drivers net: lantiq_xrx200: increase buffer reservation 2021-12-17 19:18:29 -08:00
fs afs: Fix mmap 2021-12-16 09:10:13 -08:00
include net: openvswitch: Fix matching zone id for invalid conns arriving from tc 2021-12-17 18:06:36 -08:00
init kbuild: Fix -Wimplicit-fallthrough=5 error for GCC 5.x and 6.x 2021-11-14 18:59:49 -08:00
ipc shm: extend forced shm destroy to support objects from several IPC nses 2021-11-20 10:35:54 -08:00
kernel audit/stable-5.16 PR 20211216 2021-12-16 15:24:46 -08:00
lib Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2021-12-08 16:06:44 -08:00
mm Merge branch 'for-5.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu 2021-12-11 16:14:17 -08:00
net net: openvswitch: Fix matching zone id for invalid conns arriving from tc 2021-12-17 18:06:36 -08:00
samples ftrace/samples: Add module to test multi direct modify interface 2021-12-09 13:02:44 -05:00
scripts recordmcount.pl: look for jgnop instruction as well as bcrl on s390 2021-12-12 18:52:26 +01:00
security selinux: fix NULL-pointer dereference when hashtab allocation fails 2021-11-19 16:11:39 -05:00
sound sound fixes for 5.16-rc5 2021-12-10 11:43:00 -08:00
tools Networking fixes for 5.16-rc6, including fixes from mac80211, wifi, bpf. 2021-12-16 15:02:14 -08:00
usr initramfs: Check timestamp to prevent broken cpio archive 2021-10-24 13:48:40 +09:00
virt KVM: downgrade two BUG_ONs to WARN_ON_ONCE 2021-11-26 06:43:28 -05:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap mailmap: update email address for Guo Ren 2021-12-10 17:10:55 -08:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Networking fixes for 5.16-rc6, including fixes from mac80211, wifi, bpf. 2021-12-16 15:02:14 -08:00
Makefile Linux 5.16-rc5 2021-12-12 14:53:01 -08:00
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.