Kurt Kanzenbach edb995b5ec igc: Lift TAPRIO schedule restriction
[ Upstream commit a5fd39464a ]

Add support for Qbv schedules where one queue stays open
in consecutive entries. Currently that's not supported.

Example schedule:

|tc qdisc replace dev ${INTERFACE} handle 100 parent root taprio num_tc 3 \
|   map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 \
|   queues 1@0 1@1 2@2 \
|   base-time ${BASETIME} \
|   sched-entry S 0x01 300000 \ # Stream High/Low
|   sched-entry S 0x06 500000 \ # Management and Best Effort
|   sched-entry S 0x04 200000 \ # Best Effort
|   flags 0x02

Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Stable-dep-of: 72abeedd83 ("igc: Set Qbv start_time and end_time to end_time if not being configured in GCL")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-01-14 10:16:11 +01:00
2023-01-14 10:15:20 +01:00

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.
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