diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/ipxe/tcpip.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/include/ipxe/tcpip.h b/src/include/ipxe/tcpip.h index d28689a10..200630d6b 100644 --- a/src/include/ipxe/tcpip.h +++ b/src/include/ipxe/tcpip.h @@ -97,6 +97,8 @@ struct tcpip_net_protocol { const char *name; /** Network address family */ sa_family_t sa_family; + /** Fixed header length */ + size_t header_len; /** * Transmit packet * @@ -148,6 +150,7 @@ extern int tcpip_tx ( struct io_buffer *iobuf, struct tcpip_protocol *tcpip, struct net_device *netdev, uint16_t *trans_csum ); extern struct net_device * tcpip_netdev ( struct sockaddr_tcpip *st_dest ); +extern size_t tcpip_mtu ( struct sockaddr_tcpip *st_dest ); extern uint16_t generic_tcpip_continue_chksum ( uint16_t partial, const void *data, size_t len ); extern uint16_t tcpip_chksum ( const void *data, size_t len ); |