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Allow recording of TX and RX errors to aid in end-user debugging.

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This commit is contained in:
Michael Brown
2007-07-05 17:18:27 +01:00
parent 07ea125213
commit 539ff45fd0
4 changed files with 92 additions and 28 deletions
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43
src/include/gpxe/netdevice.h
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@@ -134,9 +134,13 @@ struct ll_protocol {
*/
struct net_device_stats {
/** Count of successfully completed transmissions */
unsigned int tx_count;
unsigned int tx_ok;
/** Count of transmission errors */
unsigned int tx_err;
/** Count of successfully received packets */
unsigned int rx_count;
unsigned int rx_ok;
/** Count of reception errors */
unsigned int rx_err;
};
/**
@@ -189,7 +193,8 @@ struct net_device {
* 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 I/O buffer is
* immediately released.
* immediately released; the failure is interpreted as
* "failure to enqueue buffer".
*
* This method is guaranteed to be called only when the device
* is open.
@@ -289,10 +294,12 @@ netdev_put ( struct net_device *netdev ) {
}
extern int netdev_tx ( struct net_device *netdev, struct io_buffer *iobuf );
extern void netdev_tx_complete ( struct net_device *netdev,
struct io_buffer *iobuf );
extern void netdev_tx_complete_next ( struct net_device *netdev );
extern void netdev_tx_complete_err ( struct net_device *netdev,
struct io_buffer *iobuf, int rc );
extern void netdev_tx_complete_next_err ( struct net_device *netdev, int rc );
extern void netdev_rx ( struct net_device *netdev, struct io_buffer *iobuf );
extern void netdev_rx_err ( struct net_device *netdev,
struct io_buffer *iobuf, int rc );
extern int netdev_poll ( struct net_device *netdev, unsigned int rx_quota );
extern struct io_buffer * netdev_rx_dequeue ( struct net_device *netdev );
extern struct net_device * alloc_netdev ( size_t priv_size );
@@ -308,4 +315,28 @@ extern int net_tx ( struct io_buffer *iobuf, struct net_device *netdev,
extern int net_rx ( struct io_buffer *iobuf, struct net_device *netdev,
uint16_t net_proto, const void *ll_source );
/**
* Complete network transmission
*
* @v netdev Network device
* @v iobuf I/O buffer
*
* The packet must currently be in the network device's TX queue.
*/
static inline void netdev_tx_complete ( struct net_device *netdev,
struct io_buffer *iobuf ) {
netdev_tx_complete_err ( netdev, iobuf, 0 );
}
/**
* Complete network transmission
*
* @v netdev Network device
*
* Completes the oldest outstanding packet in the TX queue.
*/
static inline void netdev_tx_complete_next ( struct net_device *netdev ) {
netdev_tx_complete_next_err ( netdev, 0 );
}
#endif /* _GPXE_NETDEVICE_H */