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2026-04-14tools: ynl: add sample for wireguardAsbjørn Sloth Tønnesen-0/+107
Add a sample application for WireGuard, using the generated C library. The main benefit of this is to exercise the generated library, which might be useful for future self-tests. Example: $ make -C tools/net/ynl/lib $ make -C tools/net/ynl/generated $ make -C tools/net/ynl/tests wireguard $ ./tools/net/ynl/tests/wireguard usage: ./tools/net/ynl/tests/wireguard <ifindex|ifname> $ sudo ./tools/net/ynl/tests/wireguard wg-test Interface 3: wg-test Peer 6adfb183a4a2c94a2f92dab5ade762a4788[...]: Data: rx: 42 / tx: 42 bytes Allowed IPs: 0.0.0.0/0 ::/0 Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Link: https://patch.msgid.link/20260414153944.2742252-3-Jason@zx2c4.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-12tools: ynl: ethtool: add --dbg-small-recv optionHangbin Liu-1/+8
Add a --dbg-small-recv debug option to control the recv() buffer size used by YNL, matching the same option already present in cli.py. This is useful if user need to get large netlink message. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://patch.msgid.link/20260408-b4-ynl_ethtool-v2-3-7623a5e8f70b@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-12tools: ynl: ethtool: use doit instead of dumpit for per-device GETHangbin Liu-35/+33
Rename the local helper doit() to do_set() and dumpit() to do_get() to better reflect their purpose. Convert do_get() to use ynl.do() with an explicit device header instead of ynl.dump() followed by client-side filtering. This is more efficient as the kernel only processes and returns data for the requested device, rather than dumping all devices across the netns. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://patch.msgid.link/20260408-b4-ynl_ethtool-v2-2-7623a5e8f70b@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-12tools: ynl: move ethtool.py to selftestHangbin Liu-2/+469
We have converted all the samples to selftests. This script is the last piece of random "PoC" code we still have lying around. Let's move it to tests. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://patch.msgid.link/20260408-b4-ynl_ethtool-v2-1-7623a5e8f70b@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-09tools: ynl: tests: fix leading space on Makefile targetHangbin Liu-1/+1
The ../generated/protos.a rule had a spurious leading space before the target name. In make, target rules must start at column 0; only recipe lines are indented with a tab. The extra space caused make to misparse the rule. Remove the leading space to match the style of the adjacent ../lib/ynl.a rule. Fixes: e0aa0c61758f ("tools: ynl: move samples to tests") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://patch.msgid.link/20260408-ynl_makefile-v1-1-f9624acc2ad9@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-09tools: ynl: convert rt-route sample to selftestJakub Kicinski-36/+72
Convert rt-route.c to use kselftest_harness.h with FIXTURE/TEST_F. This is the last test to convert so clean up the Makefile. Validate that the connected routes for 192.168.1.0/24 and 2001:db8::/64 appear in the dump. Output: TAP version 13 1..1 # Starting 1 tests from 1 test cases. # RUN rt_route.dump ... # oif: nsim0 dst: 192.168.1.0/24 # oif: lo dst: ::1/128 # oif: nsim0 dst: 2001:db8::1/128 # oif: nsim0 dst: 2001:db8::/64 # oif: nsim0 dst: fe80::/64 # oif: nsim0 dst: ff00::/8 # OK rt_route.dump ok 1 rt_route.dump # 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/20260307033630.1396085-11-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-09tools: ynl: convert rt-addr sample to selftestJakub Kicinski-28/+65
Convert rt-addr.c to use kselftest_harness.h with FIXTURE/TEST_F. Validate that the addresses configured by the wrapper (192.168.1.1 and 2001:db8::1) appear in the dump. Output: TAP version 13 1..1 # Starting 1 tests from 1 test cases. # RUN rt_addr.dump ... # lo: 127.0.0.1 # nsim0: 192.168.1.1 # lo: ::1 # nsim0: 2001:db8::1 # nsim0: fe80::7c66:c9ff:fe5f:bf01 # OK rt_addr.dump ok 1 rt_addr.dump # 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/20260307033630.1396085-10-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-09tools: ynl: convert ethtool sample to selftestJakub Kicinski-29/+62
Convert ethtool.c to use kselftest_harness.h with FIXTURE/TEST_F. Move ethtool from BINS to TEST_GEN_FILES and add ethtool.sh wrapper which sets up a netdevsim device before running the test binary. Output: TAP version 13 1..2 # Starting 2 tests from 1 test cases. # RUN ethtool.channels ... # nsim0: combined 1 # OK ethtool.channels ok 1 ethtool.channels # RUN ethtool.rings ... # nsim0: rx 512 tx 512 # OK ethtool.rings ok 2 ethtool.rings # PASSED: 2 / 2 tests passed. # Totals: pass:2 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/20260307033630.1396085-9-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-09tools: ynl: convert devlink sample to selftestJakub Kicinski-36/+85
Convert devlink.c to use kselftest_harness.h with FIXTURE/TEST_F. Move devlink from BINS to TEST_GEN_FILES in the Makefile since it's invoked via the devlink.sh wrapper which sets up netdevsim. Output: TAP version 13 1..2 # Starting 2 tests from 1 test cases. # RUN devlink.dump ... # netdevsim/netdevsim1337 # OK devlink.dump ok 1 devlink.dump # RUN devlink.info ... # netdevsim/netdevsim1337: # driver: netdevsim # running fw: # fw.mgmt: 10.20.30 # OK devlink.info ok 2 devlink.info # PASSED: 2 / 2 tests passed. # Totals: pass:2 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/20260307033630.1396085-8-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-09tools: ynl: add netdevsim wrapper library for YNL testsJakub Kicinski-0/+40
Some tests need netdevsim setup which is painful to do from C. Add ynl_nsim_lib.sh, a shared library providing nsim_setup and nsim_cleanup functions for tests that need a netdevsim device. Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Tested-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/20260307033630.1396085-7-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-09tools: ynl: convert tc and tc-filter-add samples to selftestJakub Kicinski-369/+367
Convert tc.c and tc-filter-add.c to produce KTAP output with kselftest_harness. Merge the two tests together. They both test TC one is testing qdisc and the other classifiers but they can easily live in a single selftest. Make the test spawn a new netns, and run the operations on lo to avoid onerous setup and cleanup. TAP version 13 1..2 # Starting 2 tests from 1 test cases. # RUN tc.qdisc ... # lo: fq_codel limit: 10240p target: 5ms new_flow_cnt: 0 # OK tc.qdisc ok 1 tc.qdisc # RUN tc.flower ... # flower pref 1 proto: 0x8100 # flower: # vlan_id: 100 # vlan_prio: 5 # num_of_vlans: 3 # action order: 1 vlan push id 200 protocol 0x8100 priority 0 # action order: 2 vlan push id 300 protocol 0x8100 priority 0 # OK tc.flower ok 2 tc.flower # PASSED: 2 / 2 tests passed. # Totals: pass:2 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/20260307033630.1396085-6-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-09tools: ynl: convert rt-link sample to selftestJakub Kicinski-83/+106
Convert rt-link.c to use kselftest_harness.h with FIXTURE/TEST_F. Move rt-link from BINS to TEST_GEN_PROGS. Output: TAP version 13 1..3 # Starting 3 tests from 1 test cases. # RUN rt_link.dump ... # 1: lo: mtu 65536 # 2: sit0: mtu 1480 kind sit # OK rt_link.dump ok 1 rt_link.dump # RUN rt_link.netkit ... # 4: nk1: mtu 1500 kind netkit primary 1 policy blackhole # OK rt_link.netkit ok 2 rt_link.netkit # RUN rt_link.netkit_err_msg ... # OK rt_link.netkit_err_msg ok 3 rt_link.netkit_err_msg # PASSED: 3 / 3 tests passed. # Totals: pass:3 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/20260307033630.1396085-5-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-09tools: ynl: convert ovs sample to selftestJakub Kicinski-38/+88
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>
2026-03-09tools: ynl: convert netdev sample to selftestJakub Kicinski-72/+188
Convert netdev.c to produce KTAP output with 3 tests: - dev_dump: dump all netdev devices, skip if empty - dev_get: query first device from dump by ifindex - ntf_check: subscribe to "mgmt", create a veth via rt-link, verify netdev notification is received, then delete the veth Remove stdin/scanf-based UI. Add rt-link dependency for the veth notification test. TAP version 13 1..3 # Starting 3 tests from 1 test cases. # RUN netdev.dump ... # lo[1] xdp-features (0): xdp-rx-metadata-features (0): xsk-fea... # sit0[2] xdp-features (0): xdp-rx-metadata-features (0): xsk-fea... # OK netdev.dump ok 1 netdev.dump # RUN netdev.get ... # lo[1] xdp-features (0): xdp-rx-metadata-features (0): xsk-fea... # OK netdev.get ok 2 netdev.get # RUN netdev.ntf_check ... # veth0[7] xdp-features (0): xdp-rx-metadata-features (7): timesta... # OK netdev.ntf_check ok 3 netdev.ntf_check # PASSED: 3 / 3 tests passed. # Totals: pass:3 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/20260307033630.1396085-3-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-09tools: ynl: move samples to testsJakub Kicinski-5/+1124
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>
2026-03-04tools: ynl: produce kselftest-list.txt from testsJakub Kicinski-0/+3
Executors will need kselftest-list.txt so create it when tests are installed. Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Reviewed-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/20260303163504.2084981-5-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-04tools: ynl: support INSTALL_PATH in the tests MakefileJakub Kicinski-5/+7
We have modelled the YNL tests after ksft to be able to reuse the NIPA wrappers. Make sure YNL honors INSTALL_PATH not just DESTDIR, ksft uses INSTALL_PATH. Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Reviewed-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/20260303163504.2084981-4-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-04tools: ynl: don't install tests in /usr/bin/Jakub Kicinski-5/+4
Until commit 790792ebc960 ("tools: ynl: don't install tests") YNL selftests were installed with all the other YNL outputs. That's no longer the case, as tests are not really production artifacts. Let's not install them in /usr/bin at all, and mirror kselftest format more closely: For: make -C tools/net/ynl/tests/ install DESTDIR=tmp tmp/usr/share/kselftest ├── ktap_helpers.sh └── ynl ├── test_ynl_cli.sh └── test_ynl_ethtool.sh Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Reviewed-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/20260303163504.2084981-3-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-04tools: ynl: rename TESTS variable to TEST_PROGSJakub Kicinski-6/+6
Use the standard kselftest variable naming for tests in the Makefile. NIPA depends on being able to selectively target tests by setting those variables on the CLI. Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Reviewed-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/20260303163504.2084981-2-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-11-26tools: ynl: add YNL test frameworkHangbin Liu-0/+587
Add a test framework for YAML Netlink (YNL) tools, covering both CLI and ethtool functionality. The framework includes: 1) cli: family listing, netdev, ethtool, rt-* families, and nlctrl operations 2) ethtool: device info, statistics, ring/coalesce/pause parameters, and feature gettings The current YNL syntax is a bit obscure, and end users may not always know how to use it. This test framework provides usage examples and also serves as a regression test to catch potential breakages caused by future changes. Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://patch.msgid.link/20251124022055.33389-1-liuhangbin@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
generated by cgit v1.2.3 (git 2.46.0) at 2026-05-09 22:44:20 +0000