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8517b1abe5
The test_tc_tunnel.sh script 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 creates a tunnel interface, and then get and set tunnel keys in packet metadata, from BPF programs. - 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 configure 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 #447/1 tc_tunnel/ipip_none:OK #447/2 tc_tunnel/ipip6_none:OK #447/3 tc_tunnel/ip6tnl_none:OK #447/4 tc_tunnel/sit_none:OK #447/5 tc_tunnel/vxlan_eth:OK #447/6 tc_tunnel/ip6vxlan_eth:OK #447/7 tc_tunnel/gre_none:OK #447/8 tc_tunnel/gre_eth:OK #447/9 tc_tunnel/gre_mpls:OK #447/10 tc_tunnel/ip6gre_none:OK #447/11 tc_tunnel/ip6gre_eth:OK #447/12 tc_tunnel/ip6gre_mpls:OK #447/13 tc_tunnel/udp_none:OK #447/14 tc_tunnel/udp_eth:OK #447/15 tc_tunnel/udp_mpls:OK #447/16 tc_tunnel/ip6udp_none:OK #447/17 tc_tunnel/ip6udp_eth:OK #447/18 tc_tunnel/ip6udp_mpls:OK #447 tc_tunnel:OK Summary: 1/18 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: Alexis Lothoré (eBPF Foundation) <alexis.lothore@bootlin.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://patch.msgid.link/20251027-tc_tunnel-v3-3-505c12019f9d@bootlin.com |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.