Comments (7)
This compat.h is only pulled on Linux Kernels < 2.6.25
https://github.com/hartkopp/can-isotp/blob/master/net/can/isotp.c#L80
So it shouldn't affect your build process - or for which kernel version do you plan to build the code??
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I am trying to include the module in a buildroot environment with Linux 2.6.31 which ends up failing because of a few missing defines in supposedly linux/can.h
. This is quite the sudden deep dive into linux-stuff, so I was just looking around noticing that include without finding the actual file for it in this repo.
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Yes. The latest version of ISO-TP supports also CAN FD which was introduced in Linux 3.6. So the implementation requires these definition from can.h even if you can't use CAN FD with your 2.6.31 kernel.
I backported the entire CAN stuff for a 2.6.13 kernel a long time ago :-D
It should work when you update some of theses include bits like can.h.
The CAN FD support has been added in the (really obsolete) can-isotp-modules repository here:
hartkopp/can-isotp-modules@b990ca6
So if you can't get it to work, you might also take a look at that ancient code (but not really recommended).
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So... I managed to include a patched can.h-header file in my buildroot build, but I still get an error about a can_ioctl
function. Any hints on that? :)
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Can you check the issue with this updated check for your kernel version?
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Yes, seems like it wasn't even needed... works like a charm now (tested with the isotp can-util tools). Thanks a lot!
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Have fun!
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Related Issues (20)
- use read() function and add notify function. HOT 18
- ERRNO 84 on recv() HOT 2
- FlowControl: isotp vs. "real" OBD2 adapter behavior HOT 4
- how to send > 4095 isotp message HOT 3
- wait_tx_done does not seem to be working [RPi + python-can-isotp] HOT 31
- MAX_MSG_LENGTH to 66000 commit is missing from this repo HOT 1
- When trying to read 8K messages on ISO-TP socket using Classic CAN receive back -1 with errno 110 ETIMEDOUT HOT 5
- FlowControl frame address tx_id vs. rx_id - 8? HOT 2
- Unrecoverable error when using python socket with CAN_ISOTP. HOT 8
- Sending rate cannot be faster than 300us HOT 12
- unstable transmission of data: sequence number of consecutive frames get messed up HOT 3
- MSG_CMSG_COMPAT set by the kernel for `recvmsg` HOT 7
- Compiling of branch mainline-5.4+ HOT 2
- IP over CAN ISO-TP multi-host HOT 2
- Address extension in one direction but not the other HOT 2
- ISOTP module does not ignore the priority bits (high 3 bits of extended ID) HOT 4
- read: Network is down HOT 2
- missing feedback on expired timer for first flow control (FC) frame HOT 2
- best way to programatically test if the module is installed? HOT 6
- make fails and I can't figure out why. Hoping someone can help out HOT 3
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