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[netdevice] Add netdev_is_open() wrapper function

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Signed-off-by: Michael Brown <mcb30@etherboot.org>
This commit is contained in:
Michael Brown
2010-03-23 00:46:23 +00:00
parent b3533dd2bb
commit 88e436376c
10 changed files with 28 additions and 17 deletions
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11
src/include/gpxe/netdevice.h
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@@ -480,6 +480,17 @@ netdev_link_ok ( struct net_device *netdev ) {
return ( netdev->link_rc == 0 );
}
/**
* Check whether or not network device is open
*
* @v netdev Network device
* @v is_open Network device is open
*/
static inline __attribute__ (( always_inline )) int
netdev_is_open ( struct net_device *netdev ) {
return ( netdev->state & NETDEV_OPEN );
}
extern void netdev_link_down ( struct net_device *netdev );
extern int netdev_tx ( struct net_device *netdev, struct io_buffer *iobuf );
extern void netdev_tx_complete_err ( struct net_device *netdev,