netdev - Re: [PATCH net-next v2] selftest: net: add some traceroute tests

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Message-Id: <20191106.173607.54986119128433453.davem@davemloft.net>
Date:   Wed, 06 Nov 2019 17:36:07 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     fruggeri@...sta.com
Cc:     dsahern@...il.com, shuah@...nel.org, netdev@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: Re: [PATCH net-next v2] selftest: net: add some traceroute tests

From: fruggeri@...sta.com (Francesco Ruggeri)
Date: Tue, 05 Nov 2019 14:48:35 -0800

> Added the following traceroute tests.
> 
> IPV6:
> Verify that in this scenario
> 
>        ------------------------ N2
>         |                    |
>       ------              ------  N3  ----
>       | R1 |              | R2 |------|H2|
>       ------              ------      ----
>         |                    |
>        ------------------------ N1
>                  |
>                 ----
>                 |H1|
>                 ----
> 
> where H1's default route goes through R1 and R1's default route goes
> through R2 over N2, traceroute6 from H1 to H2 reports R2's address
> on N2 and not N1.
> 
> IPV4:
> Verify that traceroute from H1 to H2 shows 1.0.1.1 in this scenario
> 
>                    1.0.3.1/24
> ---- 1.0.1.3/24    1.0.1.1/24 ---- 1.0.2.1/24    1.0.2.4/24 ----
> |H1|--------------------------|R1|--------------------------|H2|
> ----            N1            ----            N2            ----
> 
> where net.ipv4.icmp_errors_use_inbound_ifaddr is set on R1 and
> 1.0.3.1/24 and 1.0.1.1/24 are respectively R1's primary and secondary
> address on N1.
> 
> v2: fixed some typos, and have bridge in R1 instead of R2 in IPV6 test.
> 
> Signed-off-by: Francesco Ruggeri <fruggeri@...sta.com>

Applied, thank you.