sysadmin/ipxe
1
0
Fork 0
mirror of https://github.com/ipxe/ipxe synced 2025-12-27 10:02:42 +03:00
Code Issues Packages Projects Releases Wiki Activity

[tcpip] Provide tcpip_netdev() to determine the transmitting network device

Browse Source 
Provide the function tcpip_netdev() to allow external code to
determine the transmitting network device for a given socket address.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2014-03-04 12:54:21 +00:00
parent ff1e7fc72b
commit db67de6f31
4 changed files with 94 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/include/ipxe/tcpip.h
View File

@@ -116,6 +116,13 @@ struct tcpip_net_protocol {
struct sockaddr_tcpip *st_dest,
struct net_device *netdev,
uint16_t *trans_csum );
/**
* Determine transmitting network device
*
* @v st_dest Destination address
* @ret netdev Network device, or NULL
*/
struct net_device * ( * netdev ) ( struct sockaddr_tcpip *dest );
};
/** TCP/IP transport-layer protocol table */
@@ -140,6 +147,7 @@ extern int tcpip_tx ( struct io_buffer *iobuf, struct tcpip_protocol *tcpip,
struct sockaddr_tcpip *st_dest,
struct net_device *netdev,
uint16_t *trans_csum );
extern struct net_device * tcpip_netdev ( 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 );