On 26.03.2023 13:59:11, Oliver Hartkopp wrote: > With ISO 15765-2:2016 the PDU size is not limited to 2^12 - 1 (4095) bytes > but can be represented as a 32 bit unsigned integer value which allows > 2^32 - 1 bytes (~4GB). The use-cases like automotive unified diagnostic > services (UDS) and flashing of ECUs still use the small static buffers > which are provided at socket creation time. > > When a use-case requires to transfer PDUs up to 1025 kByte the maximum > PDU size can now be extended by setting the module parameter max_pdu_size. > The extended size buffers are only allocated on a per-socket/connection > base when needed at run-time. > > Link: https://github.com/raspberrypi/linux/issues/5371 > Signed-off-by: Oliver Hartkopp <socketcan@xxxxxxxxxxxx> Applied to linux-can-next. Thanks, Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung Nürnberg | Phone: +49-5121-206917-129 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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