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From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: Peter Oskolkov <posk@google.com>
Cc: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	netdev@vger.kernel.org, bpf@vger.kernel.org,
	Peter Oskolkov <posk@posk.io>
Subject: Re: [PATCH bpf-next 2/2] selftests: bpf: tc-bpf flow shaping with EDT
Date: Fri, 22 Mar 2019 18:43:15 -0700	[thread overview]
Message-ID: <20190323014313.ggcgnaq4fbsudxaw@ast-mbp.dhcp.thefacebook.com> (raw)
In-Reply-To: <20190322234019.229181-2-posk@google.com>

On Fri, Mar 22, 2019 at 04:40:19PM -0700, Peter Oskolkov wrote:
> Add a small test that shows how to shape a TCP flow in tc-bpf
> with EDT and ECN.
> 
> Signed-off-by: Peter Oskolkov <posk@google.com>
...
> +ip netns exec ${NS_SRC} bash -c "timeout ${TIMEOUT} dd if=/dev/zero \
> +	bs=1000 count=1000000 > /dev/tcp/${IP_DST}/9000 2>/dev/null"

just noticed this trick here and in lwt. Didn't know bash can do it. Nice!

Applied to bpf-next. thanks!


      reply	other threads:[~2019-03-23  1:43 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-22 23:40 [PATCH bpf-next 1/2] bpf: make bpf_skb_ecn_set_ce callable from BPF_PROG_TYPE_SCHED_ACT Peter Oskolkov
2019-03-22 23:40 ` [PATCH bpf-next 2/2] selftests: bpf: tc-bpf flow shaping with EDT Peter Oskolkov
2019-03-23  1:43   ` Alexei Starovoitov [this message]

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