1 files changed, 0 insertions, 135 deletions
diff --git a/gpxe/src/net/tcpip.c b/gpxe/src/net/tcpip.c
deleted file mode 100644
index 932fd482..00000000
--- a/gpxe/src/net/tcpip.c
+++ /dev/null
@@ -1,135 +0,0 @@
-#include <stdint.h>
-#include <string.h>
-#include <errno.h>
-#include <byteswap.h>
-#include <gpxe/iobuf.h>
-#include <gpxe/tables.h>
-#include <gpxe/tcpip.h>
-
-/** @file
- *
- * Transport-network layer interface
- *
- * This file contains functions and utilities for the
- * TCP/IP transport-network layer interface
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-/** Process a received TCP/IP packet
- *
- * @v iobuf		I/O buffer
- * @v tcpip_proto	Transport-layer protocol number
- * @v st_src		Partially-filled source address
- * @v st_dest		Partially-filled destination address
- * @v pshdr_csum	Pseudo-header checksum
- * @ret rc		Return status code
- *
- * This function expects a transport-layer segment from the network
- * layer.  The network layer should fill in as much as it can of the
- * source and destination addresses (i.e. it should fill in the
- * address family and the network-layer addresses, but leave the ports
- * and the rest of the structures as zero).
- */
-int tcpip_rx ( struct io_buffer *iobuf, uint8_t tcpip_proto, 
-	       struct sockaddr_tcpip *st_src,
-	       struct sockaddr_tcpip *st_dest,
-	       uint16_t pshdr_csum ) {
-	struct tcpip_protocol *tcpip;
-
-	/* Hand off packet to the appropriate transport-layer protocol */
-	for_each_table_entry ( tcpip, TCPIP_PROTOCOLS ) {
-		if ( tcpip->tcpip_proto == tcpip_proto ) {
-			DBG ( "TCP/IP received %s packet\n", tcpip->name );
-			return tcpip->rx ( iobuf, st_src, st_dest, pshdr_csum );
-		}
-	}
-
-	DBG ( "Unrecognised TCP/IP protocol %d\n", tcpip_proto );
-	free_iob ( iobuf );
-	return -EPROTONOSUPPORT;
-}
-
-/** Transmit a TCP/IP packet
- *
- * @v iobuf		I/O buffer
- * @v tcpip_protocol	Transport-layer protocol
- * @v st_src		Source address, or NULL to use route default
- * @v st_dest		Destination address
- * @v netdev		Network device to use if no route found, or NULL
- * @v trans_csum	Transport-layer checksum to complete, or NULL
- * @ret rc		Return status code
- */
-int tcpip_tx ( struct io_buffer *iobuf, struct tcpip_protocol *tcpip_protocol,
-	       struct sockaddr_tcpip *st_src, struct sockaddr_tcpip *st_dest,
-	       struct net_device *netdev, uint16_t *trans_csum ) {
-	struct tcpip_net_protocol *tcpip_net;
-
-	/* Hand off packet to the appropriate network-layer protocol */
-	for_each_table_entry ( tcpip_net, TCPIP_NET_PROTOCOLS ) {
-		if ( tcpip_net->sa_family == st_dest->st_family ) {
-			DBG ( "TCP/IP sending %s packet\n", tcpip_net->name );
-			return tcpip_net->tx ( iobuf, tcpip_protocol, st_src,
-					       st_dest, netdev, trans_csum );
-		}
-	}
-	
-	DBG ( "Unrecognised TCP/IP address family %d\n", st_dest->st_family );
-	free_iob ( iobuf );
-	return -EAFNOSUPPORT;
-}
-
-/**
- * Calculate continued TCP/IP checkum
- *
- * @v partial		Checksum of already-summed data, in network byte order
- * @v data		Data buffer
- * @v len		Length of data buffer
- * @ret cksum		Updated checksum, in network byte order
- *
- * Calculates a TCP/IP-style 16-bit checksum over the data block.  The
- * checksum is returned in network byte order.
- *
- * This function may be used to add new data to an existing checksum.
- * The function assumes that both the old data and the new data start
- * on even byte offsets; if this is not the case then you will need to
- * byte-swap either the input partial checksum, the output checksum,
- * or both.  Deciding which to swap is left as an exercise for the
- * interested reader.
- */
-uint16_t tcpip_continue_chksum ( uint16_t partial, const void *data,
-				 size_t len ) {
-	unsigned int cksum = ( ( ~partial ) & 0xffff );
-	unsigned int value;
-	unsigned int i;
-	
-	for ( i = 0 ; i < len ; i++ ) {
-		value = * ( ( uint8_t * ) data + i );
-		if ( i & 1 ) {
-			/* Odd bytes: swap on little-endian systems */
-			value = be16_to_cpu ( value );
-		} else {
-			/* Even bytes: swap on big-endian systems */
-			value = le16_to_cpu ( value );
-		}
-		cksum += value;
-		if ( cksum > 0xffff )
-			cksum -= 0xffff;
-	}
-	
-	return ( ~cksum );
-}
-
-/**
- * Calculate TCP/IP checkum
- *
- * @v data		Data buffer
- * @v len		Length of data buffer
- * @ret cksum		Checksum, in network byte order
- *
- * Calculates a TCP/IP-style 16-bit checksum over the data block.  The
- * checksum is returned in network byte order.
- */
-uint16_t tcpip_chksum ( const void *data, size_t len ) {
-	return tcpip_continue_chksum ( TCPIP_EMPTY_CSUM, data, len );
-}