Quang Le 3fe5648d1d selftests/tc-testing: Add a test case for pfifo_head_drop qdisc when limit==0
When limit == 0, pfifo_tail_enqueue() must drop new packet and
increase dropped packets count of the qdisc.

All test results:

1..16
ok 1 a519 - Add bfifo qdisc with system default parameters on egress
ok 2 585c - Add pfifo qdisc with system default parameters on egress
ok 3 a86e - Add bfifo qdisc with system default parameters on egress with handle of maximum value
ok 4 9ac8 - Add bfifo qdisc on egress with queue size of 3000 bytes
ok 5 f4e6 - Add pfifo qdisc on egress with queue size of 3000 packets
ok 6 b1b1 - Add bfifo qdisc with system default parameters on egress with invalid handle exceeding maximum value
ok 7 8d5e - Add bfifo qdisc on egress with unsupported argument
ok 8 7787 - Add pfifo qdisc on egress with unsupported argument
ok 9 c4b6 - Replace bfifo qdisc on egress with new queue size
ok 10 3df6 - Replace pfifo qdisc on egress with new queue size
ok 11 7a67 - Add bfifo qdisc on egress with queue size in invalid format
ok 12 1298 - Add duplicate bfifo qdisc on egress
ok 13 45a0 - Delete nonexistent bfifo qdisc
ok 14 972b - Add prio qdisc on egress with invalid format for handles
ok 15 4d39 - Delete bfifo qdisc twice
ok 16 d774 - Check pfifo_head_drop qdisc enqueue behaviour when limit == 0

Signed-off-by: Quang Le <quanglex97@gmail.com>
Signed-off-by: Cong Wang <cong.wang@bytedance.com>
Link: https://patch.msgid.link/20250204005841.223511-3-xiyou.wangcong@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-05 18:14:46 -08:00
2024-09-01 20:43:24 -07:00
2024-03-18 03:36:32 -06:00

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 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.
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