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can_dropped_invalid_skb()
In addition to can_dropped_invalid_skb(), the helper function
can_dev_dropped_skb() checks whether the device is in listen-only mode and
discards the skb accordingly.
Replace can_dropped_invalid_skb() by can_dev_dropped_skb() to also drop
skbs in for listen-only mode.
Reported-by: Marc Kleine-Budde <mkl@pengutronix.de>
Closes: https://lore.kernel.org/all/20251017-bizarre-enchanted-quokka-f3c704-mkl@pengutronix.de/
Fixes: 9721866f07e1 ("can: esd: add support for esd GmbH PCIe/402 CAN interface family")
Link: https://patch.msgid.link/20251017-fix-skb-drop-check-v1-2-556665793fa4@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This patch adds support for one-shot mode. In this mode there happens no
automatic retransmission in the case of an arbitration lost error or on
any bus error.
Signed-off-by: Stefan Mätje <stefan.maetje@esd.eu>
Link: https://lore.kernel.org/all/20240717214409.3934333-3-stefan.maetje@esd.eu
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Rename macros to use for esdACC CTRL register access to match the
internal documentation and to make the macro prefix consistent.
- ACC_CORE_OF_CTRL_MODE -> ACC_CORE_OF_CTRL
Makes the name match the documentation.
- ACC_REG_CONTROL_MASK_MODE_ -> ACC_REG_CTRL_MASK_
ACC_REG_CONTROL_MASK_ -> ACC_REG_CTRL_MASK_
Makes the prefix consistent for macros describing masks in the same
register (CTRL).
Signed-off-by: Stefan Mätje <stefan.maetje@esd.eu>
Link: https://lore.kernel.org/all/20240717214409.3934333-2-stefan.maetje@esd.eu
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This patch adds support for the PCI based PCIe/402 CAN interface family
from esd GmbH that is available with various form factors
(https://esd.eu/en/products/402-series-can-interfaces).
All boards utilize a FPGA based CAN controller solution developed
by esd (esdACC). For more information on the esdACC see
https://esd.eu/en/products/esdacc.
This driver detects all available CAN interface board variants of
the family but atm. operates the CAN-FD capable devices in
Classic-CAN mode only! A later patch will introduce the CAN-FD
functionality in this driver.
Co-developed-by: Thomas Körper <thomas.koerper@esd.eu>
Signed-off-by: Thomas Körper <thomas.koerper@esd.eu>
Signed-off-by: Stefan Mätje <stefan.maetje@esd.eu>
Link: https://lore.kernel.org/all/20231122160211.2110448-3-stefan.maetje@esd.eu
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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