diff options
Diffstat (limited to 'src/include/gpxe/netdevice.h')
| -rw-r--r-- | src/include/gpxe/netdevice.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/include/gpxe/netdevice.h b/src/include/gpxe/netdevice.h index b8cf9aeec..60ce886d9 100644 --- a/src/include/gpxe/netdevice.h +++ b/src/include/gpxe/netdevice.h @@ -83,6 +83,7 @@ struct ll_protocol { * * This method should prepend in the link-layer header * (e.g. the Ethernet DIX header) and transmit the packet. + * This method takes ownership of the packet buffer. */ int ( * tx ) ( struct pk_buff *pkb, struct net_device *netdev, struct net_protocol *net_protocol, @@ -95,9 +96,10 @@ struct ll_protocol { * * This method should strip off the link-layer header * (e.g. the Ethernet DIX header) and pass the packet to - * net_rx(). + * net_rx(). This method takes ownership of the packet + * buffer. */ - void ( * rx ) ( struct pk_buff *pkb, struct net_device *netdev ); + int ( * rx ) ( struct pk_buff *pkb, struct net_device *netdev ); /** * Transcribe link-layer address * @@ -206,8 +208,8 @@ extern int netdev_tx ( struct net_device *netdev, struct pk_buff *pkb ); 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 void net_rx ( struct pk_buff *pkb, struct net_device *netdev, - uint16_t net_proto, const void *ll_source ); +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 ); |