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Diffstat (limited to 'man/man8/tc-mqprio.8')
| -rw-r--r-- | man/man8/tc-mqprio.8 | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/man/man8/tc-mqprio.8 b/man/man8/tc-mqprio.8 index 3441cb68..724ef906 100644 --- a/man/man8/tc-mqprio.8 +++ b/man/man8/tc-mqprio.8 @@ -30,9 +30,11 @@ dcb|bw_rlimit ] .B min_rate min_rate1 min_rate2 ... ] [ .B max_rate -max_rate1 max_rate2 ... -.B ] - +max_rate1 max_rate2 ... ] +.ti +8 +[ +.B fp +FP0 FP1 FP2 ... ] .SH DESCRIPTION The MQPRIO qdisc is a simple queuing discipline that allows mapping @@ -162,6 +164,34 @@ the argument is set to .B 'bw_rlimit'. +.TP +fp +Selects whether traffic classes are express (deliver packets via the eMAC) or +preemptible (deliver packets via the pMAC), according to IEEE 802.1Q-2018 +clause 6.7.2 Frame preemption. Takes the form of an array (one element per +traffic class) with values being +.B 'E' +(for express) or +.B 'P' +(for preemptible). + +Multiple priorities which map to the same traffic class, as well as multiple +TXQs which map to the same traffic class, must have the same FP attributes. +To interpret the FP as an attribute per priority, the +.B 'map' +argument can be used for translation. To interpret FP as an attribute per TXQ, +the +.B 'queues' +argument can be used for translation. + +Traffic classes are express by default. The argument is supported only with +.B 'hw' +set to 1. Preemptible traffic classes are accepted only if the device has a MAC +Merge layer configurable through +.BR ethtool(8). + +.SH SEE ALSO +.BR ethtool(8) .SH EXAMPLE |