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* passt: Relicense to GPL 2.0, or any later versionStefano Brivio2023-04-061-1/+1
| | | | | | | | | | | | | | | | | | | In practical terms, passt doesn't benefit from the additional protection offered by the AGPL over the GPL, because it's not suitable to be executed over a computer network. Further, restricting the distribution under the version 3 of the GPL wouldn't provide any practical advantage either, as long as the passt codebase is concerned, and might cause unnecessary compatibility dilemmas. Change licensing terms to the GNU General Public License Version 2, or any later version, with written permission from all current and past contributors, namely: myself, David Gibson, Laine Stump, Andrea Bolognani, Paul Holzinger, Richard W.M. Jones, Chris Kuhn, Florian Weimer, Giuseppe Scrivano, Stefan Hajnoczi, and Vasiliy Ulyanov. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
* test: Add memory/passt test casesStefano Brivio2022-11-041-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | These show a summary of memory usage in kernel and userspace with different port forwarding configurations, details of userspace usage using 'nm' (passt only uses statically allocated memory), and details of kernel memory from slab reporting facilities. This adds a new test image, mbuto.mem.img, with harcoded IPv4 and IPv6 addresses and routes, and just the tools we need to start and stop passt, to report from /proc/slabinfo, /proc/meminfo, and to print and parse symbol sizes using nm(1). passt can't pivot_root() for sandboxing purposes on ramfs, so we need to create another filesystem and chroot into it, first. We don't want to use pane context functions, as we're checking memory usage for sockets: resort to screen-scraping. Configure a dummy interface to provide passt with an appearance of working IPv4 and IPv6 connectivity, contributed by David. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
* test/lib: Move screen-scraping setup and layout functions to _ugly filesStefano Brivio2022-11-041-0/+38
I'm going to add yet another one of those, for which I have no quick solution. It's a regression in some sense, but at least if we make this regression more observable and defined, it should be easier to find a comprehensive solution later, within this or another testing framework. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au>