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selftests: fib_rule_tests: Add DSCP selector connect tests

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Test that locally generated traffic from a socket that specifies a DS
Field using the IP_TOS / IPV6_TCLASS socket options is correctly
redirected using a FIB rule that matches on DSCP. Add negative tests to
verify that the rule is not it when it should not. Test with both IPv4
and IPv6 and with both TCP and UDP sockets.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20240911093748.3662015-7-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Ido Schimmel 2024-09-11 12:37:48 +03:00 committed by Jakub Kicinski
parent ac6ad3f3b5
commit 2bf1259a6e
1 changed files with 56 additions and 0 deletions
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56
tools/testing/selftests/net/fib_rule_tests.sh
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@ -336,6 +336,34 @@ fib_rule6_connect_test()
log_test $? 1 "rule6 dsfield tcp no connect (dsfield 0x20)"
$IP -6 rule del dsfield 0x04 table $RTABLE_PEER
ip rule help 2>&1 | grep -q dscp
if [ $? -ne 0 ]; then
echo "SKIP: iproute2 iprule too old, missing dscp match"
cleanup_peer
return
fi
$IP -6 rule add dscp 0x3f table $RTABLE_PEER
nettest -q -6 -B -t 5 -N $testns -O $peerns -U -D -Q 0xfc \
-l 2001:db8::1:11 -r 2001:db8::1:11
log_test $? 0 "rule6 dscp udp connect"
nettest -q -6 -B -t 5 -N $testns -O $peerns -Q 0xfc \
-l 2001:db8::1:11 -r 2001:db8::1:11
log_test $? 0 "rule6 dscp tcp connect"
nettest -q -6 -B -t 5 -N $testns -O $peerns -U -D -Q 0xf4 \
-l 2001:db8::1:11 -r 2001:db8::1:11
log_test $? 1 "rule6 dscp udp no connect"
nettest -q -6 -B -t 5 -N $testns -O $peerns -Q 0xf4 \
-l 2001:db8::1:11 -r 2001:db8::1:11
log_test $? 1 "rule6 dscp tcp no connect"
$IP -6 rule del dscp 0x3f table $RTABLE_PEER
cleanup_peer
}
@ -547,6 +575,34 @@ fib_rule4_connect_test()
log_test $? 1 "rule4 dsfield tcp no connect (dsfield 0x20)"
$IP -4 rule del dsfield 0x04 table $RTABLE_PEER
ip rule help 2>&1 | grep -q dscp
if [ $? -ne 0 ]; then
echo "SKIP: iproute2 iprule too old, missing dscp match"
cleanup_peer
return
fi
$IP -4 rule add dscp 0x3f table $RTABLE_PEER
nettest -q -B -t 5 -N $testns -O $peerns -D -U -Q 0xfc \
-l 198.51.100.11 -r 198.51.100.11
log_test $? 0 "rule4 dscp udp connect"
nettest -q -B -t 5 -N $testns -O $peerns -Q 0xfc \
-l 198.51.100.11 -r 198.51.100.11
log_test $? 0 "rule4 dscp tcp connect"
nettest -q -B -t 5 -N $testns -O $peerns -D -U -Q 0xf4 \
-l 198.51.100.11 -r 198.51.100.11
log_test $? 1 "rule4 dscp udp no connect"
nettest -q -B -t 5 -N $testns -O $peerns -Q 0xf4 \
-l 198.51.100.11 -r 198.51.100.11
log_test $? 1 "rule4 dscp tcp no connect"
$IP -4 rule del dscp 0x3f table $RTABLE_PEER
cleanup_peer
}
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