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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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42
src/include/gpxe/in.h
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@@ -2,6 +2,7 @@
#define _GPXE_IN_H
#include <stdint.h>
#include <gpxe/socket.h>
/* Protocol numbers */
@@ -10,15 +11,6 @@
#define IP_TCP 6
#define IP_UDP 17
/* Network address family numbers */
#define AF_INET 1
#define AF_INET6 2
#define AF_802 6
#define AF_IPX 11
typedef uint16_t sa_family_t;
/* IP address constants */
#define INADDR_NONE 0xffffffff
@@ -50,35 +42,37 @@ struct in6_addr {
#define s6_addr32 in6_u.u6_addr32
};
typedef uint16_t in_port_t;
/**
* IP socket address
* IPv4 socket address
*/
struct sockaddr_in {
struct in_addr sin_addr;
in_port_t sin_port;
/** Socket address family (part of struct @c sockaddr)
*
* Always set to @c AF_INET for IPv4 addresses
*/
sa_family_t sin_family;
/** TCP/IP port (part of struct @c sockaddr_tcpip) */
uint16_t sin_port;
/** IPv4 address */
struct in_addr sin_addr;
};
/**
* IPv6 socket address
*/
struct sockaddr_in6 {
in_port_t sin6_port; /* Destination port */
/** Socket address family (part of struct @c sockaddr)
*
* Always set to @c AF_INET6 for IPv6 addresses
*/
sa_family_t sin_family;
/** TCP/IP port (part of struct @c sockaddr_tcpip) */
uint16_t sin_port;
uint32_t sin6_flowinfo; /* Flow number */
struct in6_addr sin6_addr; /* 128-bit destination address */
uint32_t sin6_scope_id; /* Scope ID */
};
/**
* Generalized socket address structure
*/
struct sockaddr {
sa_family_t sa_family; /* Socket address family */
struct sockaddr_in sin; /* IP4 socket address */
struct sockaddr_in6 sin6; /* IP6 socket address */
};
extern int inet_aton ( const char *cp, struct in_addr *inp );
extern char * inet_ntoa ( struct in_addr in );