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-rw-r--r--extensions/libxt_NFQUEUE.man13
1 files changed, 8 insertions, 5 deletions
diff --git a/extensions/libxt_NFQUEUE.man b/extensions/libxt_NFQUEUE.man
index 1bfb7b84..cb963bec 100644
--- a/extensions/libxt_NFQUEUE.man
+++ b/extensions/libxt_NFQUEUE.man
@@ -6,8 +6,9 @@ reinject the packet into the kernel. Please see libnetfilter_queue
for details.
.B
nfnetlink_queue
-was added in Linux 2.6.14. The \fBqueue-balance\fP option was added in Linux 2.6.31,
-\fBqueue-bypass\fP in 2.6.39.
+was added in Linux 2.6.14. The \fBqueue\-balance\fP option was added in Linux
+2.6.31,
+\fBqueue\-bypass\fP in 2.6.39.
.TP
\fB\-\-queue\-num\fP \fIvalue\fP
This specifies the QUEUE number to use. Valid queue numbers are 0 to 65535. The default value is 0.
@@ -18,6 +19,8 @@ This specifies a range of queues to use. Packets are then balanced across the gi
This is useful for multicore systems: start multiple instances of the userspace program on
queues x, x+1, .. x+n and use "\-\-queue\-balance \fIx\fP\fB:\fP\fIx+n\fP".
Packets belonging to the same connection are put into the same nfqueue.
+Due to implementation details, a lower range value of 0 limits the higher range
+value to 65534, i.e. one can only balance between at most 65535 queues.
.PP
.TP
\fB\-\-queue\-bypass\fP
@@ -26,8 +29,8 @@ are dropped. When this option is used, the NFQUEUE rule behaves like ACCEPT ins
will move on to the next table.
.PP
.TP
-\fB\-\-queue\-cpu-fanout\fP
+\fB\-\-queue\-cpu\-fanout\fP
Available starting Linux kernel 3.10. When used together with
-\fB--queue-balance\fP this will use the CPU ID as an index to map packets to
+\fB\-\-queue\-balance\fP this will use the CPU ID as an index to map packets to
the queues. The idea is that you can improve performance if there's a queue
-per CPU. This requires \fB--queue-balance\fP to be specified.
+per CPU. This requires \fB\-\-queue\-balance\fP to be specified.