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/Linux-v5.15/drivers/net/can/m_can/
Dm_can.c476 struct id_and_dlc fifo_header; in m_can_read_fifo() local
483 err = m_can_fifo_read(cdev, fgi, M_CAN_FIFO_ID, &fifo_header, 2); in m_can_read_fifo()
487 if (fifo_header.dlc & RX_BUF_FDF) in m_can_read_fifo()
496 if (fifo_header.dlc & RX_BUF_FDF) in m_can_read_fifo()
497 cf->len = can_fd_dlc2len((fifo_header.dlc >> 16) & 0x0F); in m_can_read_fifo()
499 cf->len = can_cc_dlc2len((fifo_header.dlc >> 16) & 0x0F); in m_can_read_fifo()
501 if (fifo_header.id & RX_BUF_XTD) in m_can_read_fifo()
502 cf->can_id = (fifo_header.id & CAN_EFF_MASK) | CAN_EFF_FLAG; in m_can_read_fifo()
504 cf->can_id = (fifo_header.id >> 18) & CAN_SFF_MASK; in m_can_read_fifo()
506 if (fifo_header.id & RX_BUF_ESI) { in m_can_read_fifo()
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