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Old 01-10-2019, 12:13 AM   #1
forkingmaster
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Registered: Jan 2019
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Unhappy iproute2 version 4.20 - RTNETLINK answers: No such file or directory


Hi,

I am trying to load Earliest Txtime Feature (ETF) in my Linux kernel 4.19.0.
When I try to load, I am blocked by two errors saying,
  • RTNETLINK answers: Invalid Argument
  • RTNETLINK answers: No such file or directory

I want this feature to be enabled to get time triggered send working. Any help on this would be appreciated!

System details:
Operating system: Linux Mint 18.1
Linux kernel: 4.19.0
 
Old 01-11-2019, 03:21 PM   #2
nini09
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What ETF do you talk about, tc-etf or something else?
 
Old 01-16-2019, 08:02 AM   #3
forkingmaster
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Yes, You are right. I meant the ETF feature available under tc.
 
Old 01-17-2019, 04:09 PM   #4
nini09
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What's output of "tc qdisc show"? The command can check tc package status.
 
Old Yesterday, 12:02 AM   #5
forkingmaster
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Quote:
Originally Posted by nini09 View Post
What's output of "tc qdisc show"? The command can check tc package status.
Output of "tc qdisc show" gives the default pfifo scheduling policies available in the interface. When I try to replace it with my own scheduling policy using ETF feature, it throws me two error saying the following:
  • RTNETLINK answers: Invalid Argument
  • RTNETLINK answers: No such file or directory

Example commands I am trying to load in interface:
tc qdisc replace dev enp2s0 parent root mqprio num_tc 3 map 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@0 1@1 2@2 hw 0
tc qdisc add dev enp2s0 parent 100:1 etf offload delta 200000 clockid CLOCK_TAI


Thanks in advance!

Last edited by forkingmaster; Yesterday at 12:04 AM.
 
  


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