Add support for XDP egress programs #286
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frisso
approved these changes
Apr 6, 2020
sebymiano
requested changes
Apr 7, 2020
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@FedeParola the PR looks very good to me! Thanks.
I have only the last effort to ask you (I know that would be very boring) but, can you please add some tests to check if the chain is done correctly?
For example, you can print the log and check if it is similar to the expected one.
In this way, we can avoid this kind of bugs in the future.
- Test packet flowing beetwen two namespaces - Test packet flowing out of the network stack
frisso
approved these changes
Apr 24, 2020
sebymiano
approved these changes
Apr 25, 2020
frisso
approved these changes
Apr 25, 2020
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This PR adds the support for XDP egress programs.
Currently egress code of both standard and transparent cubes is only injected in TC mode, therefore it cannot be executed when a packet comes from a XDP hook.
With this patch two versions of every egress program are injected, sharing the same maps:
The patch also fixes some bugs related to cubes chaining and exchanging packets between the controller and the fastpath.
Fixes #280