diff options
| 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 | |
| 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>
| -rw-r--r-- | src/include/ipxe/netdevice.h | 22 | ||||
| -rw-r--r-- | src/net/netdevice.c | 28 |
2 files changed, 30 insertions, 20 deletions
diff --git a/src/include/ipxe/netdevice.h b/src/include/ipxe/netdevice.h index 2ea3c8bb1..6ef9cb1e5 100644 --- a/src/include/ipxe/netdevice.h +++ b/src/include/ipxe/netdevice.h @@ -658,6 +658,8 @@ netdev_rx_frozen ( struct net_device *netdev ) { return ( netdev->state & NETDEV_RX_FROZEN ); } +extern void netdev_rx_freeze ( struct net_device *netdev ); +extern void netdev_rx_unfreeze ( struct net_device *netdev ); extern void netdev_link_err ( struct net_device *netdev, int rc ); extern void netdev_link_down ( struct net_device *netdev ); extern int netdev_tx ( struct net_device *netdev, struct io_buffer *iobuf ); @@ -733,24 +735,4 @@ netdev_link_up ( struct net_device *netdev ) { netdev_link_err ( netdev, 0 ); } -/** - * Freeze network device receive queue processing - * - * @v netdev Network device - */ -static inline __attribute__ (( always_inline )) void -netdev_rx_freeze ( struct net_device *netdev ) { - netdev->state |= NETDEV_RX_FROZEN; -} - -/** - * Unfreeze network device receive queue processing - * - * @v netdev Network device - */ -static inline __attribute__ (( always_inline )) void -netdev_rx_unfreeze ( struct net_device *netdev ) { - netdev->state &= ~NETDEV_RX_FROZEN; -} - #endif /* _IPXE_NETDEVICE_H */ 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 |