tc: updated ife man page.

Explain when skbmark encoding may fail.

Signed-off-by: Roman Mashak <mrv@mojatatu.com>
This commit is contained in:
Roman Mashak 2017-06-28 13:05:04 -04:00 committed by Stephen Hemminger
parent c9c3720d14
commit 81ba3e6fbd
1 changed files with 4 additions and 1 deletions

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@ -59,7 +59,10 @@ Encode direction only. Enforce static encoding of specified metadata.
.BR mark " [ "
.IR u32_value " ]"
The value to set for the skb mark. The u32 value is required only when
.BR use " is specified."
.BR use " is specified. If
.BR mark " value is zero, it will not be encoded, instead
"overlimits" statistics increment and
.BR CONTROL " action is taken.
.TP
.BR prio " [ "
.IR u32_value " ]"