diff options
| author | Michael Brown | 2007-01-09 21:18:31 +0100 |
|---|---|---|
| committer | Michael Brown | 2007-01-09 21:18:31 +0100 |
| commit | b7fcfe8ece36c80ddeca08aa3873063e2aefa536 (patch) | |
| tree | 0c93c3baa8e256342a5795152ede5d336b2790e1 /src/include/gpxe/netdevice.h | |
| parent | Move start/stop/expire debug messages to DBG2() level. (diff) | |
| download | ipxe-b7fcfe8ece36c80ddeca08aa3873063e2aefa536.tar.gz ipxe-b7fcfe8ece36c80ddeca08aa3873063e2aefa536.tar.xz ipxe-b7fcfe8ece36c80ddeca08aa3873063e2aefa536.zip | |
Added net device TX queue; this will be needed to support the PXE UNDI API
(which will need us to wait for TX completions).
Added debug autocolourisation to netdevice.c
Diffstat (limited to 'src/include/gpxe/netdevice.h')
| -rw-r--r-- | src/include/gpxe/netdevice.h | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/src/include/gpxe/netdevice.h b/src/include/gpxe/netdevice.h index 20df7919..ad1f9013 100644 --- a/src/include/gpxe/netdevice.h +++ b/src/include/gpxe/netdevice.h @@ -168,9 +168,11 @@ struct net_device { * This method should cause the hardware to initiate * transmission of the packet buffer. * - * Ownership of the packet buffer is transferred to the @c - * net_device, which must eventually call free_pkb() to - * release the buffer. + * If this method returns success, the packet buffer remains + * owned by the net device's TX queue, and the net device must + * eventually call netdev_tx_complete() to free the buffer. + * If this method returns failure, the packet buffer is + * immediately released. * * This method is guaranteed to be called only when the device * is open. @@ -202,7 +204,9 @@ struct net_device { * This is the bitwise-OR of zero or more NETDEV_XXX constants. */ unsigned int state; - /** Received packet queue */ + /** TX packet queue */ + struct list_head tx_queue; + /** RX packet queue */ struct list_head rx_queue; /** Driver private data */ @@ -231,11 +235,9 @@ static inline const char * netdev_name ( struct net_device *netdev ) { } extern int netdev_tx ( struct net_device *netdev, struct pk_buff *pkb ); +void netdev_tx_complete ( struct net_device *netdev, struct pk_buff *pkb ); +void netdev_tx_complete_next ( struct net_device *netdev ); extern void netdev_rx ( struct net_device *netdev, struct pk_buff *pkb ); -extern int net_tx ( struct pk_buff *pkb, struct net_device *netdev, - struct net_protocol *net_protocol, const void *ll_dest ); -extern int net_rx ( struct pk_buff *pkb, struct net_device *netdev, - uint16_t net_proto, const void *ll_source ); extern int netdev_poll ( struct net_device *netdev ); extern struct pk_buff * netdev_rx_dequeue ( struct net_device *netdev ); extern struct net_device * alloc_netdev ( size_t priv_size ); @@ -245,5 +247,9 @@ extern void netdev_close ( struct net_device *netdev ); extern void unregister_netdev ( struct net_device *netdev ); extern void free_netdev ( struct net_device *netdev ); extern struct net_device * next_netdev ( void ); +extern int net_tx ( struct pk_buff *pkb, struct net_device *netdev, + struct net_protocol *net_protocol, const void *ll_dest ); +extern int net_rx ( struct pk_buff *pkb, struct net_device *netdev, + uint16_t net_proto, const void *ll_source ); #endif /* _GPXE_NETDEVICE_H */ |