Add details explaining filtering based on port ranges.
Signed-off-by: Amritha Nambiar <[email protected]>
---
man/man8/tc-flower.8 | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/man/man8/tc-flower.8 b/man/man8/tc-flower.8
index 8be8882..768bfa1 100644
--- a/man/man8/tc-flower.8
+++ b/man/man8/tc-flower.8
@@ -56,8 +56,10 @@ flower \- flow based traffic control filter
.IR MASKED_IP_TTL " | { "
.BR dst_ip " | " src_ip " } "
.IR PREFIX " | { "
-.BR dst_port " | " src_port " } "
-.IR port_number " } | "
+.BR dst_port " | " src_port " } { "
+.IR port_number " | "
+.B range
+.IR min_port_number-max_port_number " } | "
.B tcp_flags
.IR MASKED_TCP_FLAGS " | "
.B type
@@ -227,6 +229,12 @@ Match on layer 4 protocol source or destination port
number. Only available for
.BR ip_proto " values " udp ", " tcp " and " sctp
which have to be specified in beforehand.
.TP
+.BI range " MIN_VALUE-MAX_VALUE"
+Match on a range of layer 4 protocol source or destination port number. Only
+available for
+.BR ip_proto " values " udp ", " tcp " and " sctp
+which have to be specified in beforehand.
+.TP
.BI tcp_flags " MASKED_TCP_FLAGS"
Match on TCP flags represented as 12bit bitfield in in hexadecimal format.
A mask may be optionally provided to limit the bits which are matched. A mask
