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2018-03-16selftests: fib_tests: Allow user to run a specific testDavid Ahern
Allow a user to run just a specific fib test by setting the TEST environment variable. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16selftests: fib_tests: Use an alias for ip commandDavid Ahern
Replace 'ip -netns testns' with the alias IP. Shortens the line lengths and makes running the commands manually a bit easier. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-11selftests: forwarding: Allow creation of interfaces without a config fileIdo Schimmel
Some users want to be able to run the tests without a configuration file which is useful when one needs to test both virtual and physical interfaces on the same machine. Move the defines that set the type of interface to create and whether to create it away from the optional configuration file to the library like the rest of the defines. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-11selftests: forwarding: Exit with error when missing interfacesIdo Schimmel
Returning 0 gives a false sense of success when the required modules did not even manage to be initialized and register the required net devices. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-11selftests: forwarding: Exit with error when missing dependenciesIdo Schimmel
We already return an error when some dependencies (e.g., 'jq') are missing so lets be consistent and do that for all. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-11selftests: forwarding: Add a test for VLAN-unaware bridgeIdo Schimmel
Similar to the VLAN-aware bridge test, test the VLAN-unaware bridge and make sure that ping, FDB learning and flooding work as expected. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-08selftests/net: enable fragments for fib-onlink-testsAnders Roxell
We miss CONFIG_* fragments so test fib-onlink-tests.sh can do: ip li add lisa type vrf table 1101 ip li add veth1 type veth peer name veth2 And the follow message occurs if it isn't enabled: Configuring interfaces RTNETLINK answers: Operation not supported This enables for NET_NRF (and friends) and VETH so we can create a vrf table and veth. Fixes: 153e1b84f477 ("selftests: Add FIB onlink tests") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-07selftests: forwarding: fix flags passed to first drop rule in ↵Jiri Pirko
gact_drop_and_ok_test Fix copy&paste error and pass proper flags. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-07selftests: forwarding: fix "ok" action testJiri Pirko
Fix the "ok" action test so it checks that packet that is okayed does not continue to be processed by other rules. Fix error message as well. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-07selftests: net: Introduce first PMTU testStefano Brivio
One single test implemented so far: test_pmtu_vti6_exception checks that the PMTU of a route exception, caused by a tunnel exceeding the link layer MTU, is affected by administrative changes of the tunnel MTU. Creation of the route exception is checked too. Requested-by: David Ahern <dsahern@gmail.com> Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Acked-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-07selftests/net: fix in_netns.sh scriptPrashant Bhole
execute the subprocess in netns using 'ip netns exec' Fixes: cc30c93fa020 ("selftests/net: ignore background traffic in psock_fanout") Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-05selftests: forwarding: Add suppport to create veth interfacesDavid Ahern
For tests using veth interfaces, the test infrastructure can create the netdevs if they do not exist. Arguably this is a preferred approach since the tests require p$N and p$(N+1) to be pairs. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-05selftests: Extend the tc action test for action mirrorArkadi Sharshevsky
Currently the tc action test is used only to test mirred redirect action. This patch extends it for mirred mirror. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-04selftests: rtnetlink: remove testns on test failPrashant Bhole
This patch removes testns after test failure so that next test can continue with clean ns Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp> Acked-by: William Tu <u9012063@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-04selftests: forwarding: Add multipath test for L4 hashingDavid Ahern
Add IPv6 multipath test using L4 hashing. Created with inputs from Ido Schimmel. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Tested-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-01selftests: forwarding: Add description to the multipath testsDavid Ahern
Add a better description to the summary for multipath tests. e.g., INFO: Running IPv6 multipath tests TEST: ECMP [PASS] INFO: Expected ratio 1.00 Measured ratio 1.02 TEST: Weighted MP 2:1 [PASS] INFO: Expected ratio 2.00 Measured ratio 2.02 TEST: Weighted MP 11:45 [PASS] INFO: Expected ratio 4.09 Measured ratio 4.03 Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-01selftests: forwarding: Use PING6 instead of ping for ipv6 multipath testDavid Ahern
On Debian jessie ping can not handle IPv6 addresses so the command fails. Use PING6 which is set to ping6. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-01selftests: forwarding: Handle 0 for packet difference in multipath testsDavid Ahern
If the packet stats have a difference of 0, the test output shows: INFO: Expected ratio 2.00 Measured ratio Runtime error (func=(main), adr=9): Divide by zero (standard_in) 2: syntax error (standard_in) 1: syntax error ./router_multipath.sh: line 187: test: : integer expression expected TEST: Multipath [FAIL] Too large discrepancy between expected and measured ratios Handle the 0 and display a cleaner message: INFO: Running IPv6 multipath tests TEST: Multipath [FAIL] Packet difference is 0 Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-01selftests: forwarding: Only check tc version for tc testsDavid Ahern
Capabilities of tc command are irrelevant for router tests: $ ./router.sh SKIP: iproute2 too old, missing shared block support Add a CHECK_TC flag and only check tc capabilities if set. Add flag to tc_common.sh and have it sourced before lib.sh Also, if the command lacks some feature the test should exit non-0. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-28selftests: forwarding: Introduce basic shared blocks testsJiri Pirko
Test shared block infrastructure. This is a basic test that shares TC block in between 2 clsact qdiscs. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-28selftests: forwarding: Introduce basic tc chains testsJiri Pirko
Tests chains matching and goto chain action. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-28selftests: forwarding: Introduce tc actions testsJiri Pirko
Add first part of actions tests. This patch only contains tests of gact ok/drop/trap and mirred redirect egress. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-28selftests: forwarding: Introduce tc flower matching testsJiri Pirko
Add first part of flower tests. This patch only contains dst/src ip/mac matching. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-28selftests: forwarding: Allow to get netdev interfaces names from commandlineJiri Pirko
Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-28selftests: forwarding: Add MAC get helperJiri Pirko
Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-28selftests: forwarding: Add tc offload check helperJiri Pirko
Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-28selftests: forwarding: Test IPv6 weighted nexthopsIdo Schimmel
Have one host generate 16K IPv6 echo requests with a random flow label and check that they are distributed between both multipath links according to the provided weights. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-28selftests: forwarding: Test IPv4 weighted nexthopsIdo Schimmel
Use different weights for the multipath route configured on the first router and check that the different flows generated by the first host are distributed according to the provided weights. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-28selftests: forwarding: Create test topology for multipath routingIdo Schimmel
Create a topology with two hosts, each directly connected to a different router. Both routers are connected using two links, enabling multipath routing. Test IPv4 and IPv6 ping using default MTU and large MTU. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-28selftests: forwarding: Add a test for basic IPv4 and IPv6 routingIdo Schimmel
Configure two hosts which are directly connected to the same router and test IPv4 and IPv6 ping. Use a large MTU and check that ping is unaffected. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-28selftests: forwarding: Add a test for flooded trafficIdo Schimmel
Add test cases for unknown unicast and unregistered multicast flooding. For each traffic type, turn off flooding on one bridged port and inject a packet of the specified type through the second bridged port. Make sure the packet was not received by checking the ACL counters on the other end. Later, turn on flooding and make sure the packet was received. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-28selftests: forwarding: Add a test for FDB learningIdo Schimmel
Send a packet with a specific destination MAC, make sure it was learned on the ingress port and then aged-out. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-28selftests: forwarding: Add initial testing frameworkIdo Schimmel
Add initial framework to test packet forwarding functionality. The tests can run on actual devices using loop-backed cables or using veth pairs. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-27selftests/net: reap zerocopy completions passed up as ancillary data.Sowmini Varadhan
PF_RDS sockets pass up cookies for zerocopy completion as ancillary data. Update msg_zerocopy to reap this information. Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Acked-by: Willem de Bruijn <willemb@google.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-27selftests/net: revert the zerocopy Rx path for PF_RDSSowmini Varadhan
In preparation for optimized reception of zerocopy completion, revert the Rx side changes introduced by Commit dfb8434b0a94 ("selftests/net: add zerocopy support for PF_RDS test case") Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Acked-by: Willem de Bruijn <willemb@google.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-27selftests: Add fib-onlink-tests.sh to TEST_PROGSDavid Ahern
Fixes: 153e1b84f477 ("selftests: Add FIB onlink tests") Reported-by: Ido Schimmel <idosch@idosch.org> Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-23selftests/net: ignore background traffic in psock_fanoutWillem de Bruijn
The packet fanout test generates UDP traffic and reads this with a pair of packet sockets, testing the various fanout algorithms. Avoid non-determinism from reading unrelated background traffic. Fanout decisions are made before unrelated packets can be dropped with a filter, so that is an insufficient strategy [*]. Run the packet socket tests in a network namespace, similar to msg_zerocopy. It it still good practice to install a filter on a packet socket before accepting traffic. Because this is example code, demonstrate that pattern. Open the socket initially bound to no protocol, install a filter, and only then bind to ETH_P_IP. Another source of non-determinism is hash collisions in FANOUT_HASH. The hash function used to select a socket in the fanout group includes the pseudorandom number hashrnd, which is not visible from userspace. To work around this, the test tries to find a pair of UDP source ports that do not collide. It gives up too soon (5 times, every 32 runs) and output is confusing. Increase tries to 20 and revise the error msg. [*] another approach would be to add a third socket to the fanout group and direct all unexpected traffic here. This is possible only when reimplementing methods like RR or HASH alongside this extra catch-all bucket, using the BPF fanout method. Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-16selftests/net: add zerocopy support for PF_RDS test caseSowmini Varadhan
Send a cookie with sendmsg() on PF_RDS sockets, and process the returned batched cookies in do_recv_completion() Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-16selftests/net: add support for PF_RDS socketsSowmini Varadhan
Add support for basic PF_RDS client-server testing in msg_zerocopy Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-15selftests/net: fixes psock_fanout eBPF test casePrashant Bhole
eBPF test fails due to verifier failure because log_buf is too small. Fixed by increasing log_buf size Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-13selftests: Add FIB onlink testsDavid Ahern
Add test cases verifying FIB onlink commands work as expected in various conditions - IPv4, IPv6, main table, and VRF. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-13selftests: fib_tests: sleep after changing carrierDavid Ahern
sleep for a second after setting carrier down to allow linkwatch to propagate the change to the routing stack via netdev_state_change. As it stands there is a race setting carrier down on the dummy device and then checking the linkdown flag in the routes. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-13selftests: fib_tests: Move admin of dummy0 to helpersDavid Ahern
Move setup and teardown of testns and dummy0 to helpers. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-13selftests: fib_tests: Make test results more verboseDavid Ahern
fib_tests.sh is failing in a VM: $ fib_tests.sh Running netdev unregister tests PASS: unicast route test PASS: multipath route test Running netdev down tests PASS: unicast route test PASS: multipath route test Running netdev carrier change tests PASS: local route carrier test FAIL: unicast route carrier test The last test corresponds to fib_carrier_unicast_test which 12 places that could be failing. Be more verbose in the output so a failure is easier to track down and separate test setup failures with set -e and set +e pairs. With the verbose logging it is easier to see which checks are failing: $fib_tests.sh Single path route carrier test .... Carrier down IPv4 fibmatch [ OK ] IPv6 fibmatch [ OK ] IPv4 linkdown flag set [FAIL] IPv6 linkdown flag set [FAIL] Second address added with carrier down IPv4 fibmatch [ OK ] IPv6 fibmatch [ OK ] IPv4 linkdown flag set [FAIL] IPv6 linkdown flag set [ OK ] Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-13selftests: fib_tests: simplify ip commands in a namespaceDavid Ahern
'ip netns exec testns ip' is more efficiently handled using 'ip -netns'; runs the ip command after switching the namespace and avoids an exec. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-09bpf: fix rlimit in reuseport net selftestDaniel Borkmann
Fix two issues in the reuseport_bpf selftests that were reported by Linaro CI: [...] + ./reuseport_bpf ---- IPv4 UDP ---- Testing EBPF mod 10... Reprograming, testing mod 5... ./reuseport_bpf: ebpf error. log: 0: (bf) r6 = r1 1: (20) r0 = *(u32 *)skb[0] 2: (97) r0 %= 10 3: (95) exit processed 4 insns : Operation not permitted + echo FAIL [...] ---- IPv4 TCP ---- Testing EBPF mod 10... ./reuseport_bpf: failed to bind send socket: Address already in use + echo FAIL [...] For the former adjust rlimit since this was the cause of failure for loading the BPF prog, and for the latter add SO_REUSEADDR. Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org> Link: https://bugs.linaro.org/show_bug.cgi?id=3502 Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-07selftests: fib_tests: Add test cases for netdev carrier changeIdo Schimmel
Check that IPv4 and IPv6 react the same when the carrier of a netdev is toggled. Local routes should not be affected by this, whereas unicast routes should. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-07selftests: fib_tests: Add test cases for netdev downIdo Schimmel
Check that IPv4 and IPv6 react the same when a netdev is being put administratively down. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-07selftests: fib_tests: Add test cases for IPv4/IPv6 FIBIdo Schimmel
Add test cases to check that IPv4 and IPv6 react to a netdev being unregistered as expected. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-02selftests: rtnetlink: add erspan and ip6erspanWilliam Tu
Add test cases for ipv4, ipv6 erspan, v1 and v2 native mode and external (collect metadata) mode. Signed-off-by: William Tu <u9012063@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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