On Wed, Nov 30, 2022 at 03:11:42PM +0530, Tirthendu Sarkar wrote:
> ETH devies need to be set up for running xsk self-tests, like enable
> loopback, set promiscuous mode, MTU etc. This patch adds those settings
> before running xsk self-tests and reverts them back once done.
>
> Signed-off-by: Tirthendu Sarkar <tirthendu.sarkar@xxxxxxxxx>
> ---
> tools/testing/selftests/bpf/test_xsk.sh | 27 ++++++++++++++++++++++++-
> 1 file changed, 26 insertions(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/bpf/test_xsk.sh b/tools/testing/selftests/bpf/test_xsk.sh
> index d821fd098504..e7a5c5fc4f71 100755
> --- a/tools/testing/selftests/bpf/test_xsk.sh
> +++ b/tools/testing/selftests/bpf/test_xsk.sh
> @@ -106,7 +106,11 @@ MTU=1500
> trap ctrl_c INT
>
> function ctrl_c() {
> - cleanup_exit ${VETH0} ${VETH1} ${NS1}
> + if [ ! -z $ETH ]; then
> + cleanup_exit ${VETH0} ${VETH1} ${NS1}
> + else
> + cleanup_eth
> + fi
> exit 1
> }
>
> @@ -138,9 +142,28 @@ setup_vethPairs() {
> ip link set ${VETH0} up
> }
>
> +setup_eth() {
> + sudo ethtool -L ${ETH} combined 1
what if particular device has a different way of configuring single
channel? like
$ sudo ethtool -L ${ETH} tx 1 rx 1
I am not sure if we want to proceed with settings that are specific to
Intel devices. What if mlx5 will this in a much different way?
> + sudo ethtool -K ${ETH} loopback on
> + sudo ip link set ${ETH} promisc on
> + sudo ip link set ${ETH} mtu ${MTU}
> + sudo ip link set ${ETH} up
> + IPV6_DISABLE_CMD="sudo sysctl -n net.ipv6.conf.${ETH}.disable_ipv6"
> + IPV6_DISABLE=`$IPV6_DISABLE_CMD 2> /dev/null`
> + [[ $IPV6_DISABLE == "0" ]] && $IPV6_DISABLE_CMD=1
> + sleep 1
> +}
> +
> +cleanup_eth() {
> + [[ $IPV6_DISABLE == "0" ]] && $IPV6_DISABLE_CMD=0
> + sudo ethtool -K ${ETH} loopback off
> + sudo ip link set ${ETH} promisc off
> +}
> +
> if [ ! -z $ETH ]; then
> VETH0=${ETH}
> VETH1=${ETH}
> + setup_eth
> NS1=""
> else
> validate_root_exec
> @@ -191,6 +214,8 @@ exec_xskxceiver
>
> if [ -z $ETH ]; then
> cleanup_exit ${VETH0} ${VETH1} ${NS1}
> +else
> + cleanup_eth
> fi
>
> failures=0
> --
> 2.34.1
>
