.SH SYNOPSIS
.in +8
.ti -8
-.BR tc " ... " action ife"
-.I DIRECTION ACTION
+.BR tc " ... " " action ife"
+.IR DIRECTION " [ " ACTION " ] "
.RB "[ " dst
.IR DMAC " ] "
.RB "[ " src
.ti -8
.IR ACTION " := { "
-.BR allow " | " use " }"
+.BI allow " ATTR"
+.RB "| " use
+.IR "ATTR value" " }"
+
+.ti -8
+.IR ATTR " := { "
+.BR mark " | " prio " | " tcindex " }"
.ti -8
.IR CONTROL " := { "
.B use
Encode direction only. Enforce static encoding of specified metadata.
.TP
+.BR mark " [ "
+.IR u32_value " ]"
+The value to set for the skb mark. The u32 value is required only when
+.BR use " is specified."
+.TP
+.BR prio " [ "
+.IR u32_value " ]"
+The value to set for priority in the skb structure. The u32 value is required
+only when
+.BR use " is specified."
+.TP
+.BR tcindex " ["
+.IR u16_value " ]"
+Value to set for the traffic control index in the skb structure. The u16 value
+is required only when
+.BR use " is specified."
+.TP
.BI dmac " DMAC"
.TQ
.BI smac " SMAC"