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e6e10c51fb
test_tc_tunnel is missing checks on any open_netns. Add those checks
anytime we try to enter a net namespace, and skip the related operations
if we fail. While at it, reduce the number of open_netns/close_netns for
cases involving operations in two distinct namespaces: the test
currently does the following:
nstoken = open_netns("foo")
do_operation();
close(nstoken);
nstoken = open_netns("bar")
do_another_operation();
close(nstoken);
As already stated in reviews for the initial test, we don't need to go
back to the root net namespace to enter a second namespace, so just do:
ntoken_client = open_netns("foo")
do_operation();
nstoken_server = open_netns("bar")
do_another_operation();
close(nstoken_server);
close(nstoken_client);
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/20251031-tc_tunnel_improv-v1-2-0ffe44d27eda@bootlin.com
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.