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| author | Michael Brown | 2014-03-14 15:05:38 +0100 |
|---|---|---|
| committer | Michael Brown | 2014-03-14 15:05:38 +0100 |
| commit | 87465258abbd1056c8be4e934385d6c7197dc655 (patch) | |
| tree | 930d2882cef8f9671839dde9945517e7b37bedbd /src/net | |
| parent | [lotest] Allow loopback testing on shared networks (diff) | |
| download | ipxe-87465258abbd1056c8be4e934385d6c7197dc655.tar.gz ipxe-87465258abbd1056c8be4e934385d6c7197dc655.tar.xz ipxe-87465258abbd1056c8be4e934385d6c7197dc655.zip | |
[netdevice] Notify upper-layer drivers when RX processing is (un)frozen
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/net')
| -rw-r--r-- | src/net/netdevice.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/net/netdevice.c b/src/net/netdevice.c index 82d0e82b6..4a42ef42c 100644 --- a/src/net/netdevice.c +++ b/src/net/netdevice.c @@ -109,6 +109,34 @@ 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 * * @v netdev Network device |