Re: [PATCH] can: raw: add missing error queue support

[Marc Kleine-Budde]

On 9/26/20 6:24 PM, Vincent Mailhol wrote:
> Error queue are not yet implemented in CAN-raw sockets.
> 
> The problem: a userland call to recvmsg(soc, msg, MSG_ERRQUEUE) on a
> CAN-raw socket would unqueue messages from the normal queue without
> any kind of error or warning. As such, it prevented CAN drivers from
> using the functionalities that relies on the error queue such as
> skb_tx_timestamp().
> 
> SCM_CAN_RAW_ERRQUEUE is defined as the type for the CAN raw error
> queue. SCM stands for "Socket control messages". The name is inspired
> from SCM_J1939_ERRQUEUE of include/uapi/linux/can/j1939.h.
> 
> Signed-off-by: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx>

Applied to linux-can-next.

Tnx,
Marc

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