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Added features that will be required for PXE UDP support.

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Introduced struct sockaddr_tcpip, to simplify code that deals with
both IPv4 and IPv6 addresses.

Reorganised parts of tcpip.c and udp.c.
This commit is contained in:
Michael Brown
2006-08-02 00:02:21 +00:00
parent 9225f4edac
commit 467e9627cc
13 changed files with 394 additions and 481 deletions
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37
src/include/gpxe/udp.h
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@@ -10,8 +10,8 @@
*/
#include <stddef.h>
#include <gpxe/in.h>
#include <gpxe/pkbuff.h>
#include <gpxe/tcpip.h>
#include <gpxe/if_ether.h>
/**
@@ -65,8 +65,9 @@ struct udp_operations {
* @v data Data
* @v len Length of data
*/
void ( * newdata ) ( struct udp_connection *conn,
void *data, size_t len );
int ( * newdata ) ( struct udp_connection *conn, void *data,
size_t len, struct sockaddr_tcpip *st_src,
struct sockaddr_tcpip *st_dest );
};
/**
@@ -75,7 +76,7 @@ struct udp_operations {
*/
struct udp_connection {
/** Address of the remote end of the connection */
struct sockaddr sa;
struct sockaddr_tcpip peer;
/** Local port on which the connection receives packets */
port_t local_port;
/** Transmit buffer */
@@ -86,31 +87,21 @@ struct udp_connection {
struct udp_operations *udp_op;
};
/**
* UDP protocol
*/
extern struct tcpip_protocol udp_protocol;
/**
/*
* Functions provided to the application layer
*/
extern void udp_init ( struct udp_connection *conn, struct udp_operations *udp_op );
extern int udp_bind ( struct udp_connection *conn, uint16_t local_port );
extern void udp_connect ( struct udp_connection *conn,
struct sockaddr_tcpip *peer );
extern int udp_open ( struct udp_connection *conn, uint16_t local_port );
extern void udp_connect ( struct udp_connection *conn, struct sockaddr *peer );
extern void udp_close ( struct udp_connection *conn );
extern int udp_senddata ( struct udp_connection *conn );
extern int udp_send ( struct udp_connection *conn, const void *data, size_t len );
extern int udp_sendto ( struct udp_connection *conn, struct sockaddr *peer, const void *data, size_t len );
static inline void * udp_buffer ( struct udp_connection *conn ) {
return conn->tx_pkb->data;
}
static inline int udp_buflen ( struct udp_connection *conn ) {
return pkb_len ( conn->tx_pkb );
}
extern int udp_send ( struct udp_connection *conn,
const void *data, size_t len );
extern int udp_sendto ( struct udp_connection *conn,
struct sockaddr_tcpip *peer,
const void *data, size_t len );
#endif /* _GPXE_UDP_H */