Tc tunnel ci #9966
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Tc tunnel ci #9966
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The tc_tunnel test defines some convenient functions to create a qdisc and attach bpf programs to it. It would be beneficial to new tests to get those functions exported as helpers in a tc_helpers.h. There is however already a tc_helpers.h file in the BPF selftests, used by a few tests. This header is quite coupled to some BPF programs (some exposed helpers consume a skeleton from some specific BPF programs), so rename it to something more related to its original purpose. Signed-off-by: Alexis Lothoré (eBPF Foundation) <[email protected]>
The tc_tunnel.c test defines small fonctions to easily attach eBPF programs to tc hooks, either on egress, ingress or both. Move those helpers in a dedicated file so that other tests can benefit from it. Signed-off-by: Alexis Lothoré (eBPF Foundation) <[email protected]>
The test_tc_tunnel.sh checks that a large variety of tunneling mechanisms handled by the kernel can be handled as well by eBPF programs. While this test shares similarities with test_tunnel.c (which is already integrated in test_progs), those are testing slightly different things: - test_tunnel.c get and set tunnel keys in packet metadata with the corresponding bpf-helpers - test_tc_tunnels.sh manually parses/crafts packets content Bring the tests covered by test_tc_tunnel.sh into the test_progs framework, by creating a dedicated test_tc_tunnel.sh. This new test defines a "generic" runner which, for each test configuration: - will bring the relevant veth pair, each of those isolated in a dedicated namespace - will check that traffic will fail if there is only an encapsulating program attached to one veth egress - will check that traffic succeed if we enable some decapsulation module on kernel side - will check that traffic still succeeds if we replace the kernel decapsulation with some eBPF ingress decapsulation. Example of the new test execution: # ./test_progs -a tc_tunnel kernel-patches#447/1 tc_tunnel/ipip_none:OK kernel-patches#447/2 tc_tunnel/ipip6_none:OK kernel-patches#447/3 tc_tunnel/ip6tnl_none:OK kernel-patches#447/4 tc_tunnel/sit_none:OK kernel-patches#447/5 tc_tunnel/vxlan_eth:OK kernel-patches#447/6 tc_tunnel/ip6vxlan_eth:OK kernel-patches#447/7 tc_tunnel/gre_none:OK kernel-patches#447/8 tc_tunnel/gre_eth:OK kernel-patches#447/9 tc_tunnel/gre_mpls:OK kernel-patches#447/10 tc_tunnel/ip6gre_none:OK kernel-patches#447/11 tc_tunnel/ip6gre_eth:OK kernel-patches#447/12 tc_tunnel/ip6gre_mpls:OK kernel-patches#447/13 tc_tunnel/udp_none:OK kernel-patches#447/14 tc_tunnel/udp_eth:OK kernel-patches#447/15 tc_tunnel/udp_mpls:OK kernel-patches#447/16 tc_tunnel/ip6udp_none:OK kernel-patches#447/17 tc_tunnel/ip6udp_eth:OK kernel-patches#447/18 tc_tunnel/ip6udp_mpls:OK kernel-patches#447 tc_tunnel:OK Summary: 1/18 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: Alexis Lothoré (eBPF Foundation) <[email protected]>
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