netdev - Re: [PATCH net-next v7 3/4] netdevsim: add selftest for forwarding skb between connected ports

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Message-ID: <20240129203401.GR401354@kernel.org>
Date: Mon, 29 Jan 2024 20:34:01 +0000
From: Simon Horman <horms@...nel.org>
To: David Wei <dw@...idwei.uk>
Cc: Jakub Kicinski <kuba@...nel.org>, Jiri Pirko <jiri@...nulli.us>,
	Sabrina Dubroca <sd@...asysnail.net>, netdev@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next v7 3/4] netdevsim: add selftest for forwarding
 skb between connected ports

On Fri, Jan 26, 2024 at 08:03:53PM -0800, David Wei wrote:
> Connect two netdevsim ports in different namespaces together, then send
> packets between them using socat.
> 
> Signed-off-by: David Wei <dw@...idwei.uk>
> ---
>  .../selftests/drivers/net/netdevsim/peer.sh   | 127 ++++++++++++++++++
>  1 file changed, 127 insertions(+)
>  create mode 100755 tools/testing/selftests/drivers/net/netdevsim/peer.sh
> 
> diff --git a/tools/testing/selftests/drivers/net/netdevsim/peer.sh b/tools/testing/selftests/drivers/net/netdevsim/peer.sh
> new file mode 100755
> index 000000000000..05f3cefa53f3
> --- /dev/null
> +++ b/tools/testing/selftests/drivers/net/netdevsim/peer.sh
> @@ -0,0 +1,127 @@
> +#!/bin/bash
> +# SPDX-License-Identifier: GPL-2.0-only
> +
> +NSIM_DEV_1_ID=$((RANDOM % 1024))
> +NSIM_DEV_1_SYS=/sys/bus/netdevsim/devices/netdevsim$NSIM_DEV_1_ID
> +NSIM_DEV_1_DFS=/sys/kernel/debug/netdevsim/netdevsim$NSIM_DEV_1_ID
> +NSIM_DEV_2_ID=$((RANDOM % 1024))
> +NSIM_DEV_2_SYS=/sys/bus/netdevsim/devices/netdevsim$NSIM_DEV_2_ID
> +NSIM_DEV_2_DFS=/sys/kernel/debug/netdevsim/netdevsim$NSIM_DEV_2_ID

nit: NSIM_DEV_1_DFS and SIM_DEV_2_DFS appear to be unused.

Flagged by shellcheck.

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