Import sources from 2011-03-30 iso image

1 files changed, 100 insertions, 0 deletions

diff --git a/sys/src/boot/pc/ip.h b/sys/src/boot/pc/ip.h
new file mode 100755
index 000000000..6dfb7cdd9
--- /dev/null
+++ b/sys/src/boot/pc/ip.h
@@ -0,0 +1,100 @@
+typedef struct Udphdr Udphdr;
+struct Udphdr
+{
+	uchar	d[6];		/* Ethernet destination */
+	uchar	s[6];		/* Ethernet source */
+	uchar	type[2];	/* Ethernet packet type */
+
+	uchar	vihl;		/* Version and header length */
+	uchar	tos;		/* Type of service */
+	uchar	length[2];	/* packet length */
+	uchar	id[2];		/* Identification */
+	uchar	frag[2];	/* Fragment information */
+
+	/* Udp pseudo ip really starts here */
+	uchar	ttl;	
+	uchar	udpproto;	/* Protocol */
+	uchar	udpplen[2];	/* Header plus data length */
+	uchar	udpsrc[4];	/* Ip source */
+	uchar	udpdst[4];	/* Ip destination */
+	uchar	udpsport[2];	/* Source port */
+	uchar	udpdport[2];	/* Destination port */
+	uchar	udplen[2];	/* data length */
+	uchar	udpcksum[2];	/* Checksum */
+};
+
+typedef struct Etherhdr Etherhdr;
+struct Etherhdr
+{
+	uchar	d[6];
+	uchar	s[6];
+	uchar	type[2];
+
+	/* Now we have the ip fields */
+	uchar	vihl;		/* Version and header length */
+	uchar	tos;		/* Type of service */
+	uchar	length[2];	/* packet length */
+	uchar	id[2];		/* Identification */
+	uchar	frag[2];	/* Fragment information */
+	uchar	ttl;		/* Time to live */
+	uchar	proto;		/* Protocol */
+	uchar	cksum[2];	/* Header checksum */
+	uchar	src[4];		/* Ip source */
+	uchar	dst[4];		/* Ip destination */
+};
+
+enum
+{
+	IP_VER		= 0x40,
+	IP_HLEN		= 0x05,			
+ 	UDP_EHSIZE	= 22,
+	UDP_PHDRSIZE	= 12,
+	UDP_HDRSIZE	= 20,
+	ETHER_HDR	= 14,
+	IP_UDPPROTO	= 17,
+	ET_IP		= 0x800,
+	Bcastip		= 0xffffffff,
+	BPportsrc	= 68,
+	BPportdst	= 67,
+	TFTPport	= 69,
+	Timeout		= 5000,	/* milliseconds */
+	Bootrequest 	= 1,
+	Bootreply   	= 2,
+	Tftp_READ	= 1,
+	Tftp_WRITE	= 2,
+	Tftp_DATA	= 3,
+	Tftp_ACK	= 4,
+	Tftp_ERROR	= 5,
+	Segsize		= 512,
+	TFTPSZ		= Segsize+10,
+};
+
+typedef struct Bootp Bootp;
+struct Bootp
+{
+	uchar	op;		/* opcode */
+	uchar	htype;		/* hardware type */
+	uchar	hlen;		/* hardware address len */
+	uchar	hops;		/* hops */
+	uchar	xid[4];		/* a random number */
+	uchar	secs[2];	/* elapsed since client started booting */
+	uchar	pad[2];
+	uchar	ciaddr[4];	/* client IP address (client tells server) */
+	uchar	yiaddr[4];	/* client IP address (server tells client) */
+	uchar	siaddr[4];	/* server IP address */
+	uchar	giaddr[4];	/* gateway IP address */
+	uchar	chaddr[16];	/* client hardware address */
+	char	sname[64];	/* server host name (optional) */
+	char	file[128];	/* boot file name */
+	char	vend[128];	/* vendor-specific goo */
+};
+
+typedef struct Netaddr Netaddr;
+struct Netaddr
+{
+	ulong	ip;
+	ushort	port;
+	char	ea[Eaddrlen];
+};
+
+extern int	eipfmt(Fmt*);