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2025-05-28selftests: net: move wait_local_port_listen to lib.shHangbin Liu1-1/+0
The function wait_local_port_listen() is the only function defined in net_helper.sh. Since some tests source both lib.sh and net_helper.sh, we can simplify the setup by moving wait_local_port_listen() to lib.sh. With this change, net_helper.sh becomes redundant and can be removed. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250526014600.9128-1-liuhangbin@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-04-29selftests: net: move xdp_helper to net/libBui Quang Minh1-1/+0
Move xdp_helper to net/lib to make it easier for other selftests to use the helper. Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Link: https://patch.msgid.link/20250425071018.36078-2-minhquangbui99@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-04-25selftests: drv-net: Test that NAPI ID is non-zeroJoe Damato1-1/+5
Test that the SO_INCOMING_NAPI_ID of a network file descriptor is non-zero. This ensures that either the core networking stack or, in some cases like netdevsim, the driver correctly sets the NAPI ID. Signed-off-by: Joe Damato <jdamato@fastly.com> Link: https://patch.msgid.link/20250424002746.16891-4-jdamato@fastly.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-18selftests: drv-net: Test queue xsk attributeJoe Damato1-0/+3
Test that queues which are used for AF_XDP have the xsk nest attribute. The attribute is currently empty, but its existence means the AF_XDP is being used for the queue. Enable CONFIG_XDP_SOCKETS for selftests/drivers/net tests, as well. Signed-off-by: Joe Damato <jdamato@fastly.com> Suggested-by: Jakub Kicinski <kuba@kernel.org> Link: https://patch.msgid.link/20250214211255.14194-4-jdamato@fastly.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-10netconsole: selftest: test for sysdata CPUBreno Leitao1-0/+1
Add a new selftest to verify that the netconsole module correctly handles CPU runtime data in sysdata. The test validates three scenarios: 1. Basic CPU sysdata functionality - verifies that cpu=X is appended to messages 2. CPU sysdata with userdata - ensures CPU data works alongside userdata 3. Disabled CPU sysdata - confirms no CPU data is included when disabled The test uses taskset to control which CPU sends messages and verifies the reported CPU matches the one used. This helps ensure that netconsole accurately tracks and reports the originating CPU of messages. Signed-off-by: Breno Leitao <leitao@debian.org> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2025-02-05netconsole: selftest: Add test for fragmented messagesBreno Leitao1-0/+1
Add a new selftest to verify netconsole's handling of messages that exceed the packet size limit and require fragmentation. The test sends messages with varying sizes and userdata, validating that: 1. Large messages are correctly fragmented and reassembled 2. Userdata fields are properly preserved across fragments 3. Messages work correctly with and without kernel release version appending The test creates a networking environment using netdevsim, sends messages through /dev/kmsg, and verifies the received fragments maintain message integrity. Signed-off-by: Breno Leitao <leitao@debian.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250203-netcons_frag_msgs-v1-1-5bc6bedf2ac0@debian.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-16selftest: net-drv: hds: add test for HDS featureTaehee Yoo1-0/+1
HDS/HDS-thresh features were updated/implemented. so add some tests for these features. HDS tests are the same with `ethtool -G eth0 tcp-data-split <on | off | auto >` but `auto` depends on driver specification. So, it doesn't include `auto` case. HDS-thresh tests are same with `ethtool -G eth0 hds-thresh <0 - MAX>` It includes both 0 and MAX cases. It also includes exceed case, MAX + 1. Signed-off-by: Taehee Yoo <ap420073@gmail.com> Link: https://patch.msgid.link/20250114142852.3364986-11-ap420073@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-10netconsole: selftest: verify userdata entry limitBreno Leitao1-0/+1
Add a new selftest for netconsole that tests the userdata entry limit functionality. The test performs two key verifications: 1. Create MAX_USERDATA_ITEMS (16) userdata entries successfully 2. Confirm that attempting to create an additional userdata entry fails The selftest script uses the netcons library and checks the behavior by attempting to create entries beyond the maximum allowed limit. Signed-off-by: Breno Leitao <leitao@debian.org> Tested-by: Simon Horman <horms@kernel.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250108-netcons_overflow_test-v3-4-3d85eb091bec@debian.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-10netconsole: selftest: Split the helpers from the selftestBreno Leitao1-0/+1
Split helper functions from the netconsole basic test into a separate library file to enable reuse across different netconsole tests. This change only moves the existing helper functions to lib/sh/lib_netcons.sh while preserving the same test functionality. The helpers provide common functions for: - Setting up network namespaces and interfaces - Managing netconsole dynamic targets - Setting user data - Handling test dependencies - Cleanup operations Do not make any change in the code, other than the mechanical separation. Signed-off-by: Breno Leitao <leitao@debian.org> Tested-by: Simon Horman <horms@kernel.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250108-netcons_overflow_test-v3-2-3d85eb091bec@debian.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-10-12selftests: drv-net: add missing trailing backslashJakub Kicinski1-1/+1
Commit b3ea416419c8 ("testing: net-drv: add basic shaper test") removed the trailing backslash from the last entry. We have a terminating comment here to avoid having to modify the last line when adding at the end. Reviewed-by: Joe Damato <jdamato@fastly.com> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/20241010211857.2193076-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-10-10testing: net-drv: add basic shaper testPaolo Abeni1-0/+1
Leverage a basic/dummy netdevsim implementation to do functional coverage for NL interface. Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Link: https://patch.msgid.link/43092afbf38365c796088bf8fc155e523ab434ae.1728460186.git.pabeni@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-26net: netconsole: selftests: Create a new netconsole selftestBreno Leitao1-1/+4
Adds a selftest that creates two virtual interfaces, assigns one to a new namespace, and assigns IP addresses to both. It listens on the destination interface using socat and configures a dynamic target on netconsole, pointing to the destination IP address. The test then checks if the message was received properly on the destination interface. Signed-off-by: Breno Leitao <leitao@debian.org> Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20240822095652.3806208-1-leitao@debian.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-05-09net: selftest: add test for netdev netlink queue-get APIDavid Wei1-0/+1
Add a selftest for netdev generic netlink. For now there is only a single test that exercises the `queue-get` API. The test works with netdevsim by default or with a real device by setting NETIF. Add a timeout param to cmd() since ethtool -L can take a long time on real devices. Signed-off-by: David Wei <dw@davidwei.uk> Link: https://lore.kernel.org/r/20240507163228.2066817-3-dw@davidwei.uk Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-23selftests: drv-net: add a trivial ping testJakub Kicinski1-1/+4
Add a very simple test for testing with a remote system. Both IPv4 and IPv6 connectivity is optional, later change will add checks to skip tests based on available addresses. Using netdevsim: $ ./run_kselftest.sh -t drivers/net:ping.py TAP version 13 1..1 # timeout set to 45 # selftests: drivers/net: ping.py # KTAP version 1 # 1..2 # ok 1 ping.test_v4 # ok 2 ping.test_v6 # # Totals: pass:2 fail:0 xfail:0 xpass:0 skip:0 error:0 ok 1 selftests: drivers/net: ping.py Command line SSH: $ NETIF=virbr0 REMOTE_TYPE=ssh REMOTE_ARGS=root@192.168.122.123 \ LOCAL_V4=192.168.122.1 REMOTE_V4=192.168.122.123 \ ./tools/testing/selftests/drivers/net/ping.py KTAP version 1 1..2 ok 1 ping.test_v4 ok 2 ping.test_v6 # SKIP Test requires IPv6 connectivity # Totals: pass:1 fail:0 xfail:1 xpass:0 skip:0 error:0 Existing devices placed in netns (and using net.config): $ cat drivers/net/net.config NETIF=veth0 REMOTE_TYPE=netns REMOTE_ARGS=red LOCAL_V4="192.168.1.1" REMOTE_V4="192.168.1.2" $ ./run_kselftest.sh -t drivers/net:ping.py TAP version 13 1..1 # timeout set to 45 # selftests: drivers/net: ping.py # KTAP version 1 # 1..2 # ok 1 ping.test_v4 # ok 2 ping.test_v6 # SKIP Test requires IPv6 connectivity # # Totals: pass:1 fail:0 xfail:1 xpass:0 skip:0 error:0 Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://lore.kernel.org/r/20240420025237.3309296-5-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-08selftests: drivers: add scaffolding for Netlink tests in PythonJakub Kicinski1-0/+7
Add drivers/net as a target for mixed-use tests. The setup is expected to work similarly to the forwarding tests. Since we only need one interface (unlike forwarding tests) read the target device name from NETIF. If not present we'll try to run the test against netdevsim. Reviewed-by: Petr Machata <petrm@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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