debug_value 3893 include/linux/netdevice.h static inline u32 netif_msg_init(int debug_value, int default_msg_enable_bits) debug_value 3896 include/linux/netdevice.h if (debug_value < 0 || debug_value >= (sizeof(u32) * 8)) debug_value 3898 include/linux/netdevice.h if (debug_value == 0) /* no output */ debug_value 3901 include/linux/netdevice.h return (1U << debug_value) - 1;