diff options
| author | Michael Brown | 2007-07-05 18:18:27 +0200 |
|---|---|---|
| committer | Michael Brown | 2007-07-05 18:18:27 +0200 |
| commit | 539ff45fd0e8a4d4a979c28d9e5be8526a0eccaf (patch) | |
| tree | d334500a329bad55622321e0dc27ee70a9672614 /src/include/gpxe | |
| parent | Use partition type 0xeb ("EtherBoot"), to avoid any attempts to mount (diff) | |
| download | ipxe-539ff45fd0e8a4d4a979c28d9e5be8526a0eccaf.tar.gz ipxe-539ff45fd0e8a4d4a979c28d9e5be8526a0eccaf.tar.xz ipxe-539ff45fd0e8a4d4a979c28d9e5be8526a0eccaf.zip | |
Allow recording of TX and RX errors to aid in end-user debugging.
Diffstat (limited to 'src/include/gpxe')
| -rw-r--r-- | src/include/gpxe/netdevice.h | 43 |
1 files changed, 37 insertions, 6 deletions
diff --git a/src/include/gpxe/netdevice.h b/src/include/gpxe/netdevice.h index 0bc5311ca..d6b9a1be5 100644 --- a/src/include/gpxe/netdevice.h +++ b/src/include/gpxe/netdevice.h @@ -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 */ |