sven/intrepid-socketcan-kernel-module
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Author SHA1 Message Date
Paul Hollinsky 6e9319c3f4 v2.1.1 
Fix support for kernels <5.12
	Tested on 5.4.0
 2022-04-01 14:24:37 -04:00
Paul Hollinsky 7c2338125f Support kernels before echo lengths were tracked 
This applies to anything before 5.12.0
 2022-04-01 14:24:02 -04:00
Paul Hollinsky 7924117c2a v2.1.0 
Implement proper functionality for echoing transmits
Transmit errors are now reported properly
Transmit byte count is now reported properly
Use with icsscand >= v2.1.0 for full echo support
 2022-03-31 18:24:04 -04:00
Paul Hollinsky c515de3a25 Update copyright date to 2022 2022-03-31 18:22:54 -04:00
Paul Hollinsky a46b3c62ed Properly implement IFF_ECHO 
Transmit receipts will now be properly reported as echos
upon successful transmission.
 2022-03-31 15:39:03 -04:00
Paul Hollinsky 8a21b53cd1 v2.0.5 
Add support for kernels 5.9+
	Tested on 5.11.0-rc5

CAN frames with length > 8 from userspace are rejected rather
than truncated
 2021-01-29 15:54:24 -05:00
Paul Hollinsky 9da27da69e Use non-sensitive kfree function 
This is not sensitive data, kzfree was just used for symmetry.

kzfree was actually renamed to kfree_sensitive to show that
the symmetry was unfounded.

This change will allow us to compile in kernels 5.10+
 2021-01-29 15:50:05 -05:00
Paul Hollinsky 6bbcf1b527 Reject CAN frames with length > 8 
Previously, they were just truncated.

In any case, this is only hit if the userspace daemon
gives us more than 8 bytes for CAN, which it shouldn't.
 2021-01-29 15:47:43 -05:00
Paul Hollinsky 6025ea1349 v2.0.4 
Ensure carrier is up on new kernels which require it
 2019-11-13 22:49:35 -05:00
Paul Hollinsky d75acfa8a5 v2.0.3 
Add support for kernels 5.1+
	Tested on 5.3.0 (Ubuntu 19.10)
 2019-11-06 10:14:53 -05:00
Paul Hollinsky 96836cb186 v2.0.2 
Add support for older kernels
        Tested working properly back to 4.4
Disabled aliasing for kernels <4.15
        Required, as these kernels do not have netdevice aliasing
Use the correct format specifier for (s)size_t
        Resolves a compile-time warning on 32-bit
Check the return type of copy_from_user
        Resolves a compile-time warning on ARM
Standardize kernel version checking
Requires icsscand >= v2.0.1
        icsscand v2.0.0 will not work with older kernels, and would display an obscure error
 2019-08-27 18:39:21 -04:00
Paul Hollinsky 03235819fc Use the correct format specifier for (s)size_t 2019-08-27 18:20:34 -04:00
Paul Hollinsky 5031840429 Resolve warnings about unused variables when aliases are disabled 2019-08-27 18:19:31 -04:00
Paul Hollinsky 17569a82a9 Check the return type of copy_from_user 2019-08-27 18:16:50 -04:00
Paul Hollinsky 3a043ecedd Standardize kernel version check defines 2019-08-27 13:59:47 -04:00
Paul Hollinsky b5dfcee1e1 Support for kernels < 4.10.0 
With 4.10.0 and later, the MTU bounds are checked by the kernel

We don't allow the client to set MTU yet so this is somewhat moot
 2019-08-27 13:58:03 -04:00
Paul Hollinsky 6c061d771e Tell the kernel our MAX_MTU rather than using CANFD_MTU directly 2019-08-27 13:54:34 -04:00
Paul Hollinsky 408459cbe2 Remove aliasing support for kernels < 4.15 2019-08-27 12:53:44 -04:00
Paul Hollinsky a9233ab3a2 v2.0.1 
Resolve warning on changing MTU
Reviewed our locking behavior, made tweaks where necessary
 2019-08-14 11:37:46 -04:00
Paul Hollinsky 3bbef8679d Initial commit of Version 2.0.0, with CAN FD support 2019-05-02 19:24:20 -04:00