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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/tools/testing/selftests/drivers/net/netdevsim/ethtool-pause.sh
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#!/bin/bash

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# SPDX-License-Identifier: GPL-2.0-only

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source ethtool-common.sh

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# Bail if ethtool is too old

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if ! ethtool -h | grep include-stat 2>&1 >/dev/null; then

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    echo "SKIP: No --include-statistics support in ethtool"

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    exit 4

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fi

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NSIM_NETDEV=$(make_netdev)

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set -o pipefail

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echo n > $NSIM_DEV_DFS/ethtool/pause/report_stats_tx

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echo n > $NSIM_DEV_DFS/ethtool/pause/report_stats_rx

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s=$(ethtool --json -a $NSIM_NETDEV | jq '.[].statistics')

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check $? "$s" "null"

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s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics')

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check $? "$s" "{}"

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echo y > $NSIM_DEV_DFS/ethtool/pause/report_stats_tx

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s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics | length')

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check $? "$s" "1"

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s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics.tx_pause_frames')

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check $? "$s" "2"

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echo y > $NSIM_DEV_DFS/ethtool/pause/report_stats_rx

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s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics | length')

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check $? "$s" "2"

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s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics.rx_pause_frames')

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check $? "$s" "1"

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s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics.tx_pause_frames')

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check $? "$s" "2"

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if [ $num_errors -eq 0 ]; then

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    echo "PASSED all $((num_passes)) checks"

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    exit 0

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else

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    echo "FAILED $num_errors/$((num_errors+num_passes)) checks"

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    exit 1

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fi

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