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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>
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Factor ksft C helpers to a header so they can be used by other C-based
tests.
Signed-off-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250424002746.16891-3-jdamato@fastly.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We use wait_port_listen() extensively to wait for a process
we spawned to be ready. Not all processes will open listening
sockets. Add a method of explicitly waiting for a child to
be ready. Pass a FD to the spawned process and wait for it
to write a message to us. FD number is passed via KSFT_READY_FD
env variable.
Similarly use KSFT_WAIT_FD to let the child process for a sign
that we are done and child should exit. Sending a signal to
a child with shell=True can get tricky.
Make use of this method in the queues test to make it less flaky.
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Acked-by: Joe Damato <jdamato@fastly.com>
Tested-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250219234956.520599-6-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Separate the support check from socket binding for easier refactoring.
Use: ./helper - - just to probe if we can open the socket.
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Tested-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250219234956.520599-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Kurt and Joe report missing new line at the end of Usage.
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Tested-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250219234956.520599-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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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>
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