netdev - Re: [iproute2 PATCH] tc: flower: Classify packets based port ranges

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Date:   Thu, 18 Oct 2018 14:21:36 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Amritha Nambiar <amritha.nambiar@...el.com>
Cc:     stephen@...workplumber.org, netdev@...r.kernel.org,
        jakub.kicinski@...ronome.com, sridhar.samudrala@...el.com,
        jhs@...atatu.com, xiyou.wangcong@...il.com
Subject: Re: [iproute2 PATCH] tc: flower: Classify packets based port ranges

Fri, Oct 12, 2018 at 03:54:42PM CEST, amritha.nambiar@...el.com wrote:

[...]

>@@ -1516,6 +1625,22 @@ static int flower_print_opt(struct filter_util *qu, FILE *f,
> 	if (nl_type >= 0)
> 		flower_print_port("src_port", tb[nl_type]);
> 
>+	if (flower_port_range_attr_type(ip_proto, FLOWER_ENDPOINT_DST, &range)
>+	    == 0) {
>+		flower_print_port_range("dst_port_min",
>+					tb[range.min_port_type]);
>+		flower_print_port_range("dst_port_max",
>+					tb[range.max_port_type]);

The input and output of iproute2 utils, tc included should be in sync.
So you need to print "range x-y" here.


>+	}
>+
>+	if (flower_port_range_attr_type(ip_proto, FLOWER_ENDPOINT_SRC, &range)
>+	    == 0) {
>+		flower_print_port_range("src_port_min",
>+					tb[range.min_port_type]);
>+		flower_print_port_range("src_port_max",
>+					tb[range.max_port_type]);
>+	}
>+
> 	flower_print_tcp_flags("tcp_flags", tb[TCA_FLOWER_KEY_TCP_FLAGS],
> 			       tb[TCA_FLOWER_KEY_TCP_FLAGS_MASK]);
> 
>