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| author | Florian Westphal <fw@strlen.de> | 2024-04-23 16:05:47 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-04-25 03:12:45 +0300 |
| commit | f84ab634904cc491239a5165d5d7ded0acde02d5 (patch) | |
| tree | f2018713e46a470c06f23b1ba29599fc15806d7f | |
| parent | c54fa6ae35b9752f557d47f1f5df1500f5b6f2df (diff) | |
| download | linux-f84ab634904cc491239a5165d5d7ded0acde02d5.tar.xz | |
selftests: netfilter: nft_flowtable.sh: re-run with random mtu sizes
Now that the test runs much faster, also re-run it with random MTU sizes
for the different link legs. flowtable should pass ip fragments, if
any, up to the normal forwarding path.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240423130604.7013-5-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rwxr-xr-x | tools/testing/selftests/net/netfilter/nft_flowtable.sh | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/netfilter/nft_flowtable.sh b/tools/testing/selftests/net/netfilter/nft_flowtable.sh index d765c65c31f3..8b5a3a7e22f0 100755 --- a/tools/testing/selftests/net/netfilter/nft_flowtable.sh +++ b/tools/testing/selftests/net/netfilter/nft_flowtable.sh @@ -100,6 +100,14 @@ if ! ip -net $nsr2 link set veth1 mtu $rmtu; then exit 1 fi +if ! ip -net "$nsr1" link set veth1 mtu "$lmtu"; then + exit 1 +fi + +if ! ip -net "$nsr2" link set veth0 mtu "$lmtu"; then + exit 1 +fi + ip -net $ns2 link set eth0 mtu $rmtu # transfer-net between nsr1 and nsr2. @@ -633,4 +641,15 @@ else ip netns exec "$nsr1" cat /proc/net/xfrm_stat 1>&2 fi +if [ x"$1" = x ]; then + low=1280 + mtu=$((65536 - low)) + o=$(((RANDOM%mtu) + low)) + l=$(((RANDOM%mtu) + low)) + r=$(((RANDOM%mtu) + low)) + + echo "re-run with random mtus: -o $o -l $l -r $r" + $0 -o "$o" -l "$l" -r "$r" +fi + exit $ret |