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DM9000: Wake on LAN support

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Add support for Wake on LAN (WOL) reception and waking the device up from
this signal via the ethtool interface. Currently we are only supporting
the magic-packet variant of wakeup.

WOL is enabled by specifying a second interrupt resource to the driver
which indicates where the interrupt for the WOL is being signalled. This
then enables the necessary ethtool calls to leave the device in a state
to receive WOL frames when going into suspend.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Simtec Linux Team <linux@simtec.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Dooks
2009-11-10 07:22:24 +00:00
committed by David S. Miller
parent f9254edaab
commit c029f4440f
2 changed files with 142 additions and 8 deletions
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7
drivers/net/dm9000.h
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@@ -111,6 +111,13 @@
#define RSR_CE (1<<1)
#define RSR_FOE (1<<0)
#define WCR_LINKEN (1 << 5)
#define WCR_SAMPLEEN (1 << 4)
#define WCR_MAGICEN (1 << 3)
#define WCR_LINKST (1 << 2)
#define WCR_SAMPLEST (1 << 1)
#define WCR_MAGICST (1 << 0)
#define FCTR_HWOT(ot) (( ot & 0xf ) << 4 )
#define FCTR_LWOT(ot) ( ot & 0xf )