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2b30fc01a6
Add support for configuring the header data split threshold. For fbnic, the tcp data split support is enabled all the time. Fbnic supports a maximum buffer size of 4KB. However, the reservation for the headroom, tailroom, and padding reduce the max header size accordingly. ethtool_hds -g eth0 Ring parameters for eth0: Pre-set maximums: ... HDS thresh: 3584 Current hardware settings: ... HDS thresh: 1536 Verify hds tests in ksft-net-drv are passing ksft-net-drv]# ./drivers/net/hds.py TAP version 13 1..13 ok 1 hds.get_hds ok 2 hds.get_hds_thresh ok 3 hds.set_hds_disable # SKIP disabling of HDS not supported by ... ... ... ok 12 hds.ioctl_set_xdp ok 13 hds.ioctl_enabled_set_xdp \# Totals: pass:12 fail:0 xfail:0 xpass:0 skip:1 error:0 Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Mohsin Bashir <mohsin.bashr@gmail.com> Link: https://patch.msgid.link/20250813221319.3367670-2-mohsin.bashr@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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 reStructuredText 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.