new file mode 100644
--- /dev/null
+++ b/packages/redboot/current/src/net/ip.c
@@ -0,0 +1,177 @@
+//==========================================================================
+//
+//      net/ip.c
+//
+//      Stand-alone IP networking support for RedBoot
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// Software distributed under the License is distributed on an "AS IS"      
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
+// License for the specific language governing rights and limitations under 
+// the License.                                                             
+//                                                                          
+// The Original Code is eCos - Embedded Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-07-14
+// Purpose:      
+// Description:  
+//              
+// This code is part of RedBoot (tm).
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <net/net.h>
+
+ip_addr_t __local_ip_addr = { 0, 0, 0, 0 };
+
+static word ip_ident;
+
+
+/*
+ * Match given IP address to our address.
+ * Check for broadcast matches as well.
+ */
+static int
+ip_addr_match(ip_addr_t addr)
+{
+    if (addr[0] == 255 && addr[1] == 255 && addr[2] == 255 && addr[3] == 255)
+	return 1;
+
+    if (!memcmp(addr, __local_ip_addr, sizeof(ip_addr_t)))
+	return 1;
+
+    /*
+     * Consider it an address match if we haven't gotten our IP address yet.
+     * Some DHCP servers will address IP packets to the assigned address
+     * instead of a IP broadcast address.
+     */
+    if (__local_ip_addr[0] == 0 && __local_ip_addr[1] == 0 &&
+	__local_ip_addr[2] == 0 && __local_ip_addr[3] == 0)
+	return 1;
+
+    return 0;
+}
+
+
+extern void __tcp_handler(pktbuf_t *, ip_route_t *);
+
+/*
+ * Handle IP packets coming from the polled ethernet interface.
+ */
+void
+__ip_handler(pktbuf_t *pkt, enet_addr_t *src_enet_addr)
+{
+    ip_header_t *ip = pkt->ip_hdr;
+    ip_route_t  r;
+    int         hdr_bytes;
+
+    /* first make sure its ours and has a good checksum. */
+    if (!ip_addr_match(ip->destination) ||
+	__sum((word *)ip, ip->hdr_len << 2, 0) != 0) {
+	__pktbuf_free(pkt);
+	return;
+    }
+
+    memcpy(r.ip_addr, ip->source, sizeof(ip_addr_t));
+    memcpy(r.enet_addr, src_enet_addr, sizeof(enet_addr_t));
+
+    hdr_bytes = ip->hdr_len << 2;
+    pkt->pkt_bytes = ntohs(ip->length) - hdr_bytes;
+
+    switch (ip->protocol) {
+
+#if NET_SUPPORT_ICMP
+      case IP_PROTO_ICMP:
+	pkt->icmp_hdr = (icmp_header_t *)(((char *)ip) + hdr_bytes);
+	__icmp_handler(pkt, &r);
+	break;
+#endif
+
+#if NET_SUPPORT_TCP
+      case IP_PROTO_TCP:
+	pkt->tcp_hdr = (tcp_header_t *)(((char *)ip) + hdr_bytes);
+	__tcp_handler(pkt, &r);
+	break;
+#endif
+
+#if NET_SUPPORT_UDP
+      case IP_PROTO_UDP:
+	pkt->udp_hdr = (udp_header_t *)(((char *)ip) + hdr_bytes);
+	__udp_handler(pkt, &r);
+	break;
+#endif
+
+      default:
+	__pktbuf_free(pkt);
+	break;
+    }
+}
+
+
+/*
+ * Send an IP packet.
+ *
+ * The IP data field should contain pkt->pkt_bytes of data.
+ * pkt->[udp|tcp|icmp]_hdr points to the IP data field. Any
+ * IP options are assumed to be already in place in the IP
+ * options field.
+ */
+void
+__ip_send(pktbuf_t *pkt, int protocol, ip_route_t *dest)
+{
+    ip_header_t *ip = pkt->ip_hdr;
+    int         hdr_bytes;
+    unsigned short cksum;
+    
+    /*
+     * Figure out header length. The use udp_hdr is
+     * somewhat arbitrary, but works because it is
+     * a union with other IP protocol headers.
+     */
+    hdr_bytes = (((char *)pkt->udp_hdr) - ((char *)ip));
+
+    pkt->pkt_bytes += hdr_bytes;
+
+    ip->version = 4;
+    ip->hdr_len = hdr_bytes >> 2;
+    ip->tos = 0;
+    ip->length = htons(pkt->pkt_bytes);
+    ip->ident = htons(ip_ident);
+    ip_ident++;
+    ip->fragment = 0;
+    ip->ttl = 255;
+    ip->ttl = 64;
+    ip->protocol = protocol;
+    ip->checksum = 0;
+    memcpy(ip->source, __local_ip_addr, sizeof(ip_addr_t));
+    memcpy(ip->destination, dest->ip_addr, sizeof(ip_addr_t));
+    cksum = __sum((word *)ip, hdr_bytes, 0);
+    ip->checksum = htons(cksum);
+
+    __enet_send(pkt, &dest->enet_addr, ETH_TYPE_IP);    
+}
+
+