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[netdevice] Simplify link-down status message 

For devices that start in a link-down state, the user will see a
message such as:

  [Link status: The socket is not connected (http://ipxe.org/38086001)]
  Waiting for link-up on net0...

This is potentially misleading, since it suggests that there is a
genuine problem.  Add a dedicated error message for "link down",
giving instead:

  [Link status: Down (http://ipxe.org/38086101)]
  Waiting for link-up on net0...

Reported-by: Tal Aloni <tal.aloni.il@gmail.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/1/head
Michael Brown 2011-03-30 12:45:12 +01:00
parent 92178d55e4
commit 1588b9336e
1 changed files with 9 additions and 3 deletions
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12
src/net/netdevice.c
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@ -46,14 +46,20 @@ struct list_head net_devices = LIST_HEAD_INIT ( net_devices );
/** List of open network devices, in reverse order of opening */ /** List of open network devices, in reverse order of opening */
static struct list_head open_net_devices = LIST_HEAD_INIT ( open_net_devices ); static struct list_head open_net_devices = LIST_HEAD_INIT ( open_net_devices );
/** Default link status code */ /** Default unknown link status code */
#define EUNKNOWN_LINK_STATUS __einfo_error ( EINFO_EUNKNOWN_LINK_STATUS ) #define EUNKNOWN_LINK_STATUS __einfo_error ( EINFO_EUNKNOWN_LINK_STATUS )
#define EINFO_EUNKNOWN_LINK_STATUS \ #define EINFO_EUNKNOWN_LINK_STATUS \
__einfo_uniqify ( EINFO_EINPROGRESS, 0x01, "Unknown" ) __einfo_uniqify ( EINFO_EINPROGRESS, 0x01, "Unknown" )
/** Human-readable message for the default link status */ /** Default link-down status code */
#define ENOTCONN_LINK_DOWN __einfo_error ( EINFO_ENOTCONN_LINK_DOWN )
#define EINFO_ENOTCONN_LINK_DOWN \
__einfo_uniqify ( EINFO_ENOTCONN, 0x01, "Down" )
/** Human-readable message for the default link statuses */
struct errortab netdev_errors[] __errortab = { struct errortab netdev_errors[] __errortab = {
__einfo_errortab ( EINFO_EUNKNOWN_LINK_STATUS ), __einfo_errortab ( EINFO_EUNKNOWN_LINK_STATUS ),
__einfo_errortab ( EINFO_ENOTCONN_LINK_DOWN ),
}; };
/** /**
@ -101,7 +107,7 @@ void netdev_link_down ( struct net_device *netdev ) {
*/ */
if ( ( netdev->link_rc == 0 ) || if ( ( netdev->link_rc == 0 ) ||
( netdev->link_rc == -EUNKNOWN_LINK_STATUS ) ) { ( netdev->link_rc == -EUNKNOWN_LINK_STATUS ) ) {
netdev_link_err ( netdev, -ENOTCONN ); netdev_link_err ( netdev, -ENOTCONN_LINK_DOWN );
} }
} }