tools: ynl: convert ovs sample to selftest

Convert ovs.c to produce KTAP output with kselftest_harness.
The single "crud" test creates a new OVS datapath, fetches it back
by name, then dumps all dat

tools: ynl: convert ovs sample to selftest

Convert ovs.c to produce KTAP output with kselftest_harness.
The single "crud" test creates a new OVS datapath, fetches it back
by name, then dumps all datapaths verifying the new one appears.

IIRC I added this test because ovs is a genetlink family but
has a family-specific fixed header.

TAP version 13
1..1
# Starting 1 tests from 1 test cases.
# RUN ovs.crud ...
# get:
# ynl-test(3): pid:0 cache:256
# dump:
# ynl-test(3): pid:0 cache:256
# OK ovs.crud
ok 1 ovs.crud
# PASSED: 1 / 1 tests passed.
# Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0

Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Tested-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20260307033630.1396085-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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tools: ynl: move samples to tests

The "samples" were always poor man's tests (used to manually
confirm that C YNL works).

Move all C sample programs from tools/net/ynl/samples/ to
tools/net/ynl/tes

tools: ynl: move samples to tests

The "samples" were always poor man's tests (used to manually
confirm that C YNL works).

Move all C sample programs from tools/net/ynl/samples/ to
tools/net/ynl/tests/, "merge" the Makefiles. The subsequent
changes will convert each sample into a proper KTAP selftests.

Since these are now tests rather than samples - default to
enabling asan. After all we're testing user space code here.

Sort the gitignore while at it, the page-pool entry was a leftover
so delete it.

Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Tested-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20260307033630.1396085-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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