src/dpdk/drivers/net/cxgbe/base/t4_hw.c
static const char *t4_link_down_rc_str(unsigned char link_down_rc)
{
	static const char * const reason[] = {
		"Link Down",
		"Remote Fault",
		"Auto-negotiation Failure",
		"Reserved",
		"Insufficient Airflow",
		"Unable To Determine Reason",
		"No RX Signal Detected",
		"Reserved",
	};

	if (link_down_rc >= ARRAY_SIZE(reason))
		return "Bad Reason Code";

	return reason[link_down_rc];
}
/**
 * t4_link_down_rc_str - return a string for a Link Down Reason Code
 * @link_down_rc: Link Down Reason Code
 *
 * Returns a string representation of the Link Down Reason Code.
 */
return a string for a Link Down Reason Code
@link_down_rc: Link Down Reason Code

Returns a string representation of the Link Down Reason Code.
return a string for a Link Down Reason Code @link_down_rc : Link Down Reason Code Returns a string representation of the Link Down Reason Code .
static const char *t4_link_down_rc_str(unsigned char link_down_rc)
{
	static const char * const reason[] = {
		"Link Down",
		"Remote Fault",
		"Auto-negotiation Failure",
		"Reserved",
		"Insufficient Airflow",
		"Unable To Determine Reason",
		"No RX Signal Detected",
		"Reserved",
	};
	if (link_down_rc >= ARRAY_SIZE(reason))
		return "Bad Reason Code";
	return reason[link_down_rc];
}
static const char * t4_link_down_rc_str ( unsigned char link_down_rc ) { static const char * const reason [ ] = { " " , " " , " " , " " , " " , " " , " " , " " , } ; if ( link_down_rc >= ARRAY_SIZE ( reason ) ) return " " ; return reason [ link_down_rc ] ; }
t4_link_down_rc_str - return a string for a Link Down Reason Code
 @link_down_rc: Link Down Reason Code
t4_link_down_rc_str - return a string for a Link Down Reason Code @link_down_rc : Link Down Reason Code