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When the taprio qdisc is running in "txtime offload" mode, it will set the launchtime value (in skb->tstamp) for all the packets which do not have the SO_TXTIME socket option. But, the TCP packets already have this value set and it indicates the earliest departure time represented in CLOCK_MONOTONIC clock. We need to respect the timestamp set by the TCP subsystem. So, convert this time to the clock which taprio is using and ensure that the packet is not transmitted before the deadline set by TCP. Signed-off-by: Vedang Patel <vedang.patel@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.