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Message-ID: <101cdd3f2bfd9511c9bec95f909d20ff56f70ba5.1723036486.git.petrm@nvidia.com>
Date: Wed, 7 Aug 2024 16:13:51 +0200
From: Petr Machata <petrm@...dia.com>
To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
<pabeni@...hat.com>, <netdev@...r.kernel.org>
CC: Ido Schimmel <idosch@...dia.com>, Petr Machata <petrm@...dia.com>, "David
Ahern" <dsahern@...nel.org>, Donald Sharp <sharpd@...dia.com>, Simon Horman
<horms@...nel.org>, Przemek Kitszel <przemyslaw.kitszel@...el.com>,
<mlxsw@...dia.com>
Subject: [PATCH net-next v2 6/6] selftests: fib_nexthops: Test 16-bit next hop weights
Add tests that attempt to create NH groups that use full 16 bits of NH
weight.
Signed-off-by: Petr Machata <petrm@...dia.com>
Reviewed-by: Ido Schimmel <idosch@...dia.com>
Reviewed-by: David Ahern <dsahern@...nel.org>
---
tools/testing/selftests/net/fib_nexthops.sh | 55 ++++++++++++++++++++-
1 file changed, 54 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh
index ac0b2c6a5761..77c83d9508d3 100755
--- a/tools/testing/selftests/net/fib_nexthops.sh
+++ b/tools/testing/selftests/net/fib_nexthops.sh
@@ -78,7 +78,12 @@ log_test()
else
ret=1
nfail=$((nfail+1))
- printf "TEST: %-60s [FAIL]\n" "${msg}"
+ if [[ $rc -eq $ksft_skip ]]; then
+ printf "TEST: %-60s [SKIP]\n" "${msg}"
+ else
+ printf "TEST: %-60s [FAIL]\n" "${msg}"
+ fi
+
if [ "$VERBOSE" = "1" ]; then
echo " rc=$rc, expected $expected"
fi
@@ -923,6 +928,29 @@ ipv6_grp_fcnal()
ipv6_grp_refs
log_test $? 0 "Nexthop group replace refcounts"
+
+ #
+ # 16-bit weights.
+ #
+ run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
+ run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
+ run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
+ run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 dev veth1"
+ run_cmd "$IP nexthop add id 66 dev veth1"
+
+ run_cmd "$IP nexthop add id 103 group 62,1000"
+ if [[ $? == 0 ]]; then
+ local GRP="id 103 group 62,254/63,255/64,256/65,257/66,65535"
+ run_cmd "$IP nexthop replace $GRP"
+ check_nexthop "id 103" "$GRP"
+ rc=$?
+ else
+ rc=$ksft_skip
+ fi
+
+ $IP nexthop flush >/dev/null 2>&1
+
+ log_test $rc 0 "16-bit weights"
}
ipv6_res_grp_fcnal()
@@ -987,6 +1015,31 @@ ipv6_res_grp_fcnal()
check_nexthop_bucket "list id 102" \
"id 102 index 0 nhid 63 id 102 index 1 nhid 62 id 102 index 2 nhid 62 id 102 index 3 nhid 62"
log_test $? 0 "Nexthop buckets updated after replace - nECMP"
+
+ #
+ # 16-bit weights.
+ #
+ run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
+ run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
+ run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
+ run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 dev veth1"
+ run_cmd "$IP nexthop add id 66 dev veth1"
+
+ run_cmd "$IP nexthop add id 103 group 62,1000 type resilient buckets 32"
+ if [[ $? == 0 ]]; then
+ local GRP="id 103 group 62,254/63,255/64,256/65,257/66,65535 $(:
+ )type resilient buckets 32 idle_timer 0 $(:
+ )unbalanced_timer 0"
+ run_cmd "$IP nexthop replace $GRP"
+ check_nexthop "id 103" "$GRP unbalanced_time 0"
+ rc=$?
+ else
+ rc=$ksft_skip
+ fi
+
+ $IP nexthop flush >/dev/null 2>&1
+
+ log_test $rc 0 "16-bit weights"
}
ipv6_fcnal_runtime()
--
2.45.2
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