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path: root/tools/testing/selftests/net/forwarding/tc_flower.sh
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2023-08-10selftests: forwarding: tc_flower: Relax success criterionIdo Schimmel1-4/+4
The test checks that filters that match on source or destination MAC were only hit once. A host can send more than one packet with a given source or destination MAC, resulting in failures. Fix by relaxing the success criterion and instead check that the filters were not hit zero times. Using tc_check_at_least_x_packets() is also an option, but it is not available in older kernels. Fixes: 07e5c75184a1 ("selftests: forwarding: Introduce tc flower matching tests") Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr> Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/ Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr> Reviewed-by: Hangbin Liu <liuhangbin@gmail.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Link: https://lore.kernel.org/r/20230808141503.4060661-13-idosch@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-02-17net: re-solve some conflicts after net -> net-next mergeJakub Kicinski1-1/+2
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-02-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller1-1/+37
2021-02-13selftests: tc: Add generic mpls matching support for tc-flowerGuillaume Nault1-1/+136
Add tests in tc_flower.sh for generic matching on MPLS Label Stack Entries. The label, tc, bos and ttl fields are tested for the first and second labels. For each field, the minimal and maximal values are tested (the former at depth 1 and the later at depth 2). There are also tests for matching the presence of a label stack entry at a given depth. In order to reduce the amount of code, all "lse" subcommands are tested in match_mpls_lse_test(). Action "continue" is used, so that test packets are evaluated by all filters. Then, we can verify if each filter matched the expected number of packets. Some versions of tc-flower produced invalid json output when dumping MPLS filters with depth > 1. Skip the test if tc isn't recent enough. Signed-off-by: Guillaume Nault <gnault@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-13selftests: tc: Add basic mpls_* matching support for tc-flowerGuillaume Nault1-1/+171
Add tests in tc_flower.sh for mpls_label, mpls_tc, mpls_bos and mpls_ttl. For each keyword, test the minimal and maximal values. Selectively skip these new mpls tests for tc versions that don't support them. Signed-off-by: Guillaume Nault <gnault@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-13flow_dissector: fix TTL and TOS dissection on IPv4 fragmentsDavide Caratti1-1/+37
the following command: # tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \ $tcflags dst_ip 192.0.2.2 ip_ttl 63 action drop doesn't drop all IPv4 packets that match the configured TTL / destination address. In particular, if "fragment offset" or "more fragments" have non zero value in the IPv4 header, setting of FLOW_DISSECTOR_KEY_IP is simply ignored. Fix this dissecting IPv4 TTL and TOS before fragment info; while at it, add a selftest for tc flower's match on 'ip_ttl' that verifies the correct behavior. Fixes: 518d8a2e9bad ("net/flow_dissector: add support for dissection of misc ip header fields") Reported-by: Shuang Li <shuali@redhat.com> Signed-off-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-19selftests: tc: add ingress device matching supportJiri Pirko1-1/+25
Extend tc_flower to test plain ingress device matching and also tc_shblock to test ingress device matching on shared block. Add new tc_flower_router.sh where ingress device matching on egress (after routing) is done. 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>
2019-06-12selftests: tc_flower: Add TOS matching testJiri Pirko1-1/+35
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>
2019-03-29selftests: forwarding: Add PCP match and VLAN match testsAmit Cohen1-1/+58
Send packets with VLAN and PCP set and check that TC flower filters can match on these keys. Signed-off-by: Amit Cohen <amitc@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-03selftests: forwarding: Allow running specific testsIdo Schimmel1-10/+4
Similar to commit a511858c7536 ("selftests: fib_tests: Allow user to run a specific test"), allow user to run only a subset of the tests using the TESTS environment variable. This is useful when not all the tests can pass on a given system. Example: # export TESTS="ping_ipv4 ping_ipv6" # ./bridge_vlan_aware.sh TEST: ping [PASS] TEST: ping6 [PASS] Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-17selftest: tc_flower: add testcase for 'ip_flags'Davide Caratti1-0/+70
Signed-off-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-02selftests: forwarding: Only check tc version for tc testsDavid Ahern1-1/+1
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 tc flower matching testsJiri Pirko1-0/+196
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>
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