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[netdevice] Notify upper-layer drivers when RX processing is (un)frozen

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2014-03-14 14:05:38 +00:00
parent 24bbaf6a38
commit 87465258ab
2 changed files with 30 additions and 20 deletions
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28
src/net/netdevice.c
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@@ -108,6 +108,34 @@ static void netdev_notify ( struct net_device *netdev ) {
}
}
/**
* Freeze network device receive queue processing
*
* @v netdev Network device
*/
void netdev_rx_freeze ( struct net_device *netdev ) {
/* Mark receive queue processing as frozen */
netdev->state |= NETDEV_RX_FROZEN;
/* Notify drivers of change */
netdev_notify ( netdev );
}
/**
* Unfreeze network device receive queue processing
*
* @v netdev Network device
*/
void netdev_rx_unfreeze ( struct net_device *netdev ) {
/* Mark receive queue processing as not frozen */
netdev->state &= ~NETDEV_RX_FROZEN;
/* Notify drivers of change */
netdev_notify ( netdev );
}
/**
* Mark network device as having a specific link state
*