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[tcpip] Pass through network device to transport layer protocols

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NDP requires knowledge of the network device on which a packet was
received.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2013-09-01 20:55:18 +01:00
parent 8a2dc7a588
commit 6bf36f57a0
8 changed files with 26 additions and 13 deletions
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src/include/ipxe/tcpip.h
+5 -3
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@@ -69,6 +69,7 @@ struct tcpip_protocol {
* Process received packet
*
* @v iobuf I/O buffer
* @v netdev Network device
* @v st_src Partially-filled source address
* @v st_dest Partially-filled destination address
* @v pshdr_csum Pseudo-header checksum
@@ -76,7 +77,8 @@ struct tcpip_protocol {
*
* This method takes ownership of the I/O buffer.
*/
int ( * rx ) ( struct io_buffer *iobuf, struct sockaddr_tcpip *st_src,
int ( * rx ) ( struct io_buffer *iobuf, struct net_device *netdev,
struct sockaddr_tcpip *st_src,
struct sockaddr_tcpip *st_dest, uint16_t pshdr_csum );
/**
* Transport-layer protocol number
@@ -128,8 +130,8 @@ struct tcpip_net_protocol {
/** Declare a TCP/IP network-layer protocol */
#define __tcpip_net_protocol __table_entry ( TCPIP_NET_PROTOCOLS, 01 )
extern int tcpip_rx ( struct io_buffer *iobuf, uint8_t tcpip_proto,
struct sockaddr_tcpip *st_src,
extern int tcpip_rx ( struct io_buffer *iobuf, struct net_device *netdev,
uint8_t tcpip_proto, struct sockaddr_tcpip *st_src,
struct sockaddr_tcpip *st_dest, uint16_t pshdr_csum );
extern int tcpip_tx ( struct io_buffer *iobuf, struct tcpip_protocol *tcpip,
struct sockaddr_tcpip *st_src,