CAN1 sys interfaces

/sys/devices/c320000.mttcan/net/can1/std_filter
/sys/devices/c320000.mttcan/net/can1/xtd_filter
/sys/devices/c320000.mttcan/net/can1/gfc_filter

By default, sixteen Standard Message ID Filter and Sixteen Extended Message ID Filter elements are configured in the mttcan DT node.

For information on changing the number of filters in the DT node, see Kernel Documentation at:

<top>/drive-oss-src/kernel/Documentation/devicetree/bindings/net/can/m_ttcan.txt