From 6ad02e78bb85f5afebe3d897bc629b26f89abc17 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Tue, 10 Mar 2015 21:23:51 +0000 Subject: [mii] Add generic mii_check_link() function Most devices expose at least the link up/down status via a bit in a MAC register, since the MAC generally already needs to know whether or not the link is up. Some devices (e.g. the SMSC75xx USB NIC) expose this information to software only via the MII registers. Provide a generic mii_check_link() implementation to check the BMSR and report the link status via netdev_link_{up,down}(). Signed-off-by: Michael Brown --- src/include/ipxe/mii.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/include') diff --git a/src/include/ipxe/mii.h b/src/include/ipxe/mii.h index daf29dac5..c2245b49e 100644 --- a/src/include/ipxe/mii.h +++ b/src/include/ipxe/mii.h @@ -114,5 +114,7 @@ mii_dump ( struct mii_interface *mii ) { extern int mii_restart ( struct mii_interface *mii ); extern int mii_reset ( struct mii_interface *mii ); +extern int mii_check_link ( struct mii_interface *mii, + struct net_device *netdev ); #endif /* _IPXE_MII_H */ -- cgit v1.2.3-55-g7522