if (!tail)
tail++;
+ mbx->tx_mbmem_pulled++;
+
/* write message to hardware FIFO */
FM10K_WRITE_MBX(hw, mbmem + tail++, *(head++));
} while (--len && --end);
if (!head)
head++;
+ mbx->rx_mbmem_pushed++;
+
/* read message from hardware FIFO */
*(tail++) = FM10K_READ_MBX(hw, mbmem + head++);
} while (--len && --end);