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Document the existence of persistent per-NAPI configuration space and
the API that drivers can opt into.
Update stale documentation which suggested that NAPI IDs cannot be
queried from userspace.
Signed-off-by: Joe Damato <jdamato@fastly.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://patch.msgid.link/20250213191535.38792-1-jdamato@fastly.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix a couple of typos/spelling mistakes in the documentation.
Signed-off-by: Khaled Elnaggar <khaledelnaggarlinux@gmail.com>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://patch.msgid.link/20250123082521.59997-1-khaledelnaggarlinux@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Move python code to a separate directory so it can be
packaged as a python module. Updates existing references
in selftests and docs.
Also rename ynl-gen-[c|rst] to ynl_gen_[c|rst], avoid
dashes as these prevent easy imports for entrypoints.
Signed-off-by: Jan Stancek <jstancek@redhat.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/a4151bad0e6984e7164d395125ce87fd2e048bf1.1736343575.git.jstancek@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Describe irq suspension, the epoll ioctls, and the tradeoffs of using
different gro_flush_timeout values.
Signed-off-by: Joe Damato <jdamato@fastly.com>
Co-developed-by: Martin Karsten <mkarsten@uwaterloo.ca>
Signed-off-by: Martin Karsten <mkarsten@uwaterloo.ca>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://patch.msgid.link/20241109050245.191288-7-jdamato@fastly.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since commit 8380c81d5c4f ("net: Treat __napi_schedule_irqoff() as
__napi_schedule() on PREEMPT_RT"), napi_schedule_irqoff will do the
right thing if IRQs are threaded. Therefore, there is no need to use
IRQF_NO_THREAD.
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://patch.msgid.link/20240930153955.971657-1-sean.anderson@linux.dev
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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page pool and XDP should not be accessed from IRQ context
which may happen if drivers try to clean up XDP TX with
NAPI budget of 0.
Link: https://lore.kernel.org/r/20230720161323.2025379-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add basic documentation about NAPI. We can stop linking to the ancient
doc on the LF wiki.
Link: https://lore.kernel.org/all/20230315223044.471002-1-kuba@kernel.org/
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Acked-by: Pavel Pisa <pisa@cmp.felk.cvut.cz> # for ctucanfd-driver.rst
Reviewed-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Stephen Hemminger <stephen@networkplumber.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230322053848.198452-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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