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Added net device TX queue; this will be needed to support the PXE UNDI API

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(which will need us to wait for TX completions).

Added debug autocolourisation to netdevice.c
This commit is contained in:
Michael Brown
2007-01-09 20:18:31 +00:00
parent 8a268073a7
commit b7fcfe8ece
6 changed files with 135 additions and 85 deletions
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22
src/include/gpxe/netdevice.h
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@@ -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 */