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Yunsheng Lin 48ae74c9d8 net: hns3: fix for not calculating TX BD send size correctly
With GRO and fraglist support, the SKB can be aggregated to
a total size of 65535, and when that SKB is forwarded through
a bridge, the size of the SKB may be pushed to exceed the size
of 65535 when br_dev_queue_push_xmit() is called.

The max send size of BD supported by the HW is 65535, when a SKB
with a headlen of over 65535 is sent to the driver, the driver
needs to use multi BD to send the linear data, and the send size
of the last BD is calculated incorrectly by the driver who is
using '&' operation, which causes a TX error.

Use '%' operation to fix this problem.

Fixes: 3fe13ed95d ("net: hns3: avoid mult + div op in critical data path")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21 15:49:17 -07:00
arch arm64: dts: clearfog-gt-8k: fix switch link configuration 2020-07-19 18:11:10 -07:00
block block-5.8-2020-07-10 2020-07-10 09:55:46 -07:00
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Documentation Documentation: bareudp: update iproute2 sample commands 2020-07-20 17:57:20 -07:00
drivers net: hns3: fix for not calculating TX BD send size correctly 2020-07-21 15:49:17 -07:00
fs 4 cifs/smb3 fixes: the three for stable fix problems found recently with change notification including a reference count leak 2020-07-10 21:16:48 -07:00
include rhashtable: drop duplicated word in <linux/rhashtable.h> 2020-07-17 18:34:18 -07:00
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tools selftests: net: ip_defrag: modprobe missing nf_defrag_ipv6 support 2020-07-17 12:49:18 -07:00
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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.