Commit 103a8ad1 authored by Nikolay Aleksandrov's avatar Nikolay Aleksandrov Committed by David S. Miller
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ethtool: add speed/duplex validation functions 



Add functions which check if the speed/duplex are defined.

Signed-off-by: default avatarNikolay Aleksandrov <nikolay@cumulusnetworks.com>
Acked-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 13340a0a

include/uapi/linux/ethtool.h

+34 −0
Original line number Diff line number Diff line
@@ -1319,11 +1319,45 @@ enum ethtool_sfeatures_retval_bits { 


#define SPEED_UNKNOWN		-1



static inline int ethtool_validate_speed(__u32 speed)

{

	switch (speed) {

	case SPEED_10:

	case SPEED_100:

	case SPEED_1000:

	case SPEED_2500:

	case SPEED_5000:

	case SPEED_10000:

	case SPEED_20000:

	case SPEED_25000:

	case SPEED_40000:

	case SPEED_50000:

	case SPEED_56000:

	case SPEED_100000:

	case SPEED_UNKNOWN:

		return 1;

	}



	return 0;

}



/* Duplex, half or full. */

#define DUPLEX_HALF		0x00

#define DUPLEX_FULL		0x01

#define DUPLEX_UNKNOWN		0xff



static inline int ethtool_validate_duplex(__u8 duplex)

{

	switch (duplex) {

	case DUPLEX_HALF:

	case DUPLEX_FULL:

	case DUPLEX_UNKNOWN:

		return 1;

	}



	return 0;

}



/* Which connector port. */

#define PORT_TP			0x00

#define PORT_AUI		0x01