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15d8a407a5
tc-taprio can select whether traffic classes are express or preemptible.
0) tc qdisc add dev eth1 parent root handle 100 taprio \
num_tc 4 \
map 0 1 2 3 2 2 2 2 2 2 2 2 2 2 2 3 \
queues 1@0 1@1 1@2 1@3 \
base-time 1000000000 \
sched-entry S 03 10000000 \
sched-entry S 0e 10000000 \
flags 0x2 fp P E E E
1) After some traffic tests, MAC merge layer statistics are all good.
Local device:
[ {
"ifname": "eth1",
"pmac-enabled": true,
"tx-enabled": true,
"tx-active": true,
"tx-min-frag-size": 60,
"rx-min-frag-size": 60,
"verify-enabled": true,
"verify-time": 100,
"max-verify-time": 128,
"verify-status": "SUCCEEDED",
"statistics": {
"MACMergeFrameAssErrorCount": 0,
"MACMergeFrameSmdErrorCount": 0,
"MACMergeFrameAssOkCount": 0,
"MACMergeFragCountRx": 0,
"MACMergeFragCountTx": 17837,
"MACMergeHoldCount": 18639
}
} ]
Remote device:
[ {
"ifname": "end1",
"pmac-enabled": true,
"tx-enabled": true,
"tx-active": true,
"tx-min-frag-size": 60,
"rx-min-frag-size": 60,
"verify-enabled": true,
"verify-time": 100,
"max-verify-time": 128,
"verify-status": "SUCCEEDED",
"statistics": {
"MACMergeFrameAssErrorCount": 0,
"MACMergeFrameSmdErrorCount": 0,
"MACMergeFrameAssOkCount": 17189,
"MACMergeFragCountRx": 17837,
"MACMergeFragCountTx": 0,
"MACMergeHoldCount": 0
}
} ]
Tested on DWMAC CORE 5.10a
Signed-off-by: Furong Xu <0x1207@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://patch.msgid.link/0d21ae356fb3cab77337527e87d46748a4852055.1725631883.git.0x1207@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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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.