diff --git a/common/cmd_net.c b/common/cmd_net.c
index 3f52edc805..53760a2c93 100644
--- a/common/cmd_net.c
+++ b/common/cmd_net.c
@@ -114,13 +114,13 @@ static void netboot_update_env(void)
 {
 	char tmp[22];
 
-	if (NetOurGatewayIP) {
-		ip_to_string(NetOurGatewayIP, tmp);
+	if (net_gateway.s_addr) {
+		ip_to_string(net_gateway, tmp);
 		setenv("gatewayip", tmp);
 	}
 
-	if (NetOurSubnetMask) {
-		ip_to_string(NetOurSubnetMask, tmp);
+	if (net_netmask.s_addr) {
+		ip_to_string(net_netmask, tmp);
 		setenv("netmask", tmp);
 	}
 
@@ -130,8 +130,8 @@ static void netboot_update_env(void)
 	if (NetOurRootPath[0])
 		setenv("rootpath", NetOurRootPath);
 
-	if (NetOurIP) {
-		ip_to_string(NetOurIP, tmp);
+	if (net_ip.s_addr) {
+		ip_to_string(net_ip, tmp);
 		setenv("ipaddr", tmp);
 	}
 #if !defined(CONFIG_BOOTP_SERVERIP)
@@ -139,18 +139,18 @@ static void netboot_update_env(void)
 	 * Only attempt to change serverip if net/bootp.c:BootpCopyNetParams()
 	 * could have set it
 	 */
-	if (NetServerIP) {
-		ip_to_string(NetServerIP, tmp);
+	if (net_server_ip.s_addr) {
+		ip_to_string(net_server_ip, tmp);
 		setenv("serverip", tmp);
 	}
 #endif
-	if (NetOurDNSIP) {
-		ip_to_string(NetOurDNSIP, tmp);
+	if (net_dns_server.s_addr) {
+		ip_to_string(net_dns_server, tmp);
 		setenv("dnsip", tmp);
 	}
 #if defined(CONFIG_BOOTP_DNS2)
-	if (NetOurDNS2IP) {
-		ip_to_string(NetOurDNS2IP, tmp);
+	if (net_dns_server2.s_addr) {
+		ip_to_string(net_dns_server2, tmp);
 		setenv("dnsip2", tmp);
 	}
 #endif
@@ -166,8 +166,8 @@ static void netboot_update_env(void)
 #endif
 #if defined(CONFIG_CMD_SNTP) \
     && defined(CONFIG_BOOTP_NTPSERVER)
-	if (NetNtpServerIP) {
-		ip_to_string(NetNtpServerIP, tmp);
+	if (net_ntp_server.s_addr) {
+		ip_to_string(net_ntp_server, tmp);
 		setenv("ntpserverip", tmp);
 	}
 #endif
@@ -260,8 +260,8 @@ static int do_ping(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	if (argc < 2)
 		return CMD_RET_USAGE;
 
-	NetPingIP = string_to_ip(argv[1]);
-	if (NetPingIP == 0)
+	net_ping_ip = string_to_ip(argv[1]);
+	if (net_ping_ip.s_addr == 0)
 		return CMD_RET_USAGE;
 
 	if (NetLoop(PING) < 0) {
@@ -331,14 +331,14 @@ int do_sntp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	char *toff;
 
 	if (argc < 2) {
-		NetNtpServerIP = getenv_IPaddr("ntpserverip");
-		if (NetNtpServerIP == 0) {
+		net_ntp_server = getenv_ip("ntpserverip");
+		if (net_ntp_server.s_addr == 0) {
 			printf("ntpserverip not set\n");
 			return CMD_RET_FAILURE;
 		}
 	} else {
-		NetNtpServerIP = string_to_ip(argv[1]);
-		if (NetNtpServerIP == 0) {
+		net_ntp_server = string_to_ip(argv[1]);
+		if (net_ntp_server.s_addr == 0) {
 			printf("Bad NTP server IP address\n");
 			return CMD_RET_FAILURE;
 		}
@@ -352,7 +352,7 @@ int do_sntp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
 	if (NetLoop(SNTP) < 0) {
 		printf("SNTP failed: host %pI4 not responding\n",
-			&NetNtpServerIP);
+			&net_ntp_server);
 		return CMD_RET_FAILURE;
 	}
 
@@ -421,14 +421,14 @@ static int do_link_local(cmd_tbl_t *cmdtp, int flag, int argc,
 	if (NetLoop(LINKLOCAL) < 0)
 		return CMD_RET_FAILURE;
 
-	NetOurGatewayIP = 0;
-	ip_to_string(NetOurGatewayIP, tmp);
+	net_gateway.s_addr = 0;
+	ip_to_string(net_gateway, tmp);
 	setenv("gatewayip", tmp);
 
-	ip_to_string(NetOurSubnetMask, tmp);
+	ip_to_string(net_netmask, tmp);
 	setenv("netmask", tmp);
 
-	ip_to_string(NetOurIP, tmp);
+	ip_to_string(net_ip, tmp);
 	setenv("ipaddr", tmp);
 	setenv("llipaddr", tmp); /* store this for next time */
 
diff --git a/common/cmd_pxe.c b/common/cmd_pxe.c
index 96f963ddd7..9eac5c6c41 100644
--- a/common/cmd_pxe.c
+++ b/common/cmd_pxe.c
@@ -331,7 +331,7 @@ static int pxe_ipaddr_paths(cmd_tbl_t *cmdtp, void *pxefile_addr_r)
 	char ip_addr[9];
 	int mask_pos, err;
 
-	sprintf(ip_addr, "%08X", ntohl(NetOurIP));
+	sprintf(ip_addr, "%08X", ntohl(net_ip.s_addr));
 
 	for (mask_pos = 7; mask_pos >= 0;  mask_pos--) {
 		err = get_pxelinux_path(cmdtp, ip_addr, pxefile_addr_r);
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index 87cea7a932..55f383f133 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -23,7 +23,7 @@ static int input_recursion;
 static int output_recursion;
 static int net_timeout;
 static uchar nc_ether[6]; /* server enet address */
-static IPaddr_t nc_ip; /* server ip */
+static struct in_addr nc_ip; /* server ip */
 static short nc_out_port; /* target output port */
 static short nc_in_port; /* source input port */
 static const char *output_packet; /* used by first send udp */
@@ -35,14 +35,14 @@ static int output_packet_len;
 enum proto_t net_loop_last_protocol = BOOTP;
 
 static void nc_wait_arp_handler(uchar *pkt, unsigned dest,
-				 IPaddr_t sip, unsigned src,
+				 struct in_addr sip, unsigned src,
 				 unsigned len)
 {
 	net_set_state(NETLOOP_SUCCESS); /* got arp reply - quit net loop */
 }
 
-static void nc_handler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
-			unsigned len)
+static void nc_handler(uchar *pkt, unsigned dest, struct in_addr sip,
+		       unsigned src, unsigned len)
 {
 	if (input_size)
 		net_set_state(NETLOOP_SUCCESS); /* got input - quit net loop */
@@ -53,24 +53,25 @@ static void nc_timeout(void)
 	net_set_state(NETLOOP_SUCCESS);
 }
 
-static int is_broadcast(IPaddr_t ip)
+static int is_broadcast(struct in_addr ip)
 {
-	static IPaddr_t netmask;
-	static IPaddr_t our_ip;
+	static struct in_addr netmask;
+	static struct in_addr our_ip;
 	static int env_changed_id;
 	int env_id = get_env_id();
 
 	/* update only when the environment has changed */
 	if (env_changed_id != env_id) {
-		netmask = getenv_IPaddr("netmask");
-		our_ip = getenv_IPaddr("ipaddr");
+		netmask = getenv_ip("netmask");
+		our_ip = getenv_ip("ipaddr");
 
 		env_changed_id = env_id;
 	}
 
-	return (ip == ~0 ||				/* 255.255.255.255 */
-	    ((netmask & our_ip) == (netmask & ip) &&	/* on the same net */
-	    (netmask | ip) == ~0));		/* broadcast to our net */
+	return (ip.s_addr == ~0 || /* 255.255.255.255 (global bcast) */
+		((netmask.s_addr & our_ip.s_addr) ==
+		 (netmask.s_addr & ip.s_addr) && /* on the same net and */
+		 (netmask.s_addr | ip.s_addr) == ~0)); /* bcast to our net */
 }
 
 static int refresh_settings_from_env(void)
@@ -82,8 +83,8 @@ static int refresh_settings_from_env(void)
 	/* update only when the environment has changed */
 	if (env_changed_id != env_id) {
 		if (getenv("ncip")) {
-			nc_ip = getenv_IPaddr("ncip");
-			if (!nc_ip)
+			nc_ip = getenv_ip("ncip");
+			if (!nc_ip.s_addr)
 				return -1;	/* ncip is 0.0.0.0 */
 			p = strchr(getenv("ncip"), ':');
 			if (p != NULL) {
@@ -91,7 +92,7 @@ static int refresh_settings_from_env(void)
 				nc_in_port = nc_out_port;
 			}
 		} else
-			nc_ip = ~0; /* ncip is not set, so broadcast */
+			nc_ip.s_addr = ~0; /* ncip is not set, so broadcast */
 
 		p = getenv("ncoutport");
 		if (p != NULL)
@@ -131,7 +132,7 @@ void NcStart(void)
 	}
 }
 
-int nc_input_packet(uchar *pkt, IPaddr_t src_ip, unsigned dest_port,
+int nc_input_packet(uchar *pkt, struct in_addr src_ip, unsigned dest_port,
 	unsigned src_port, unsigned len)
 {
 	int end, chunk;
@@ -139,7 +140,7 @@ int nc_input_packet(uchar *pkt, IPaddr_t src_ip, unsigned dest_port,
 	if (dest_port != nc_in_port || !len)
 		return 0; /* not for us */
 
-	if (src_ip != nc_ip && !is_broadcast(nc_ip))
+	if (src_ip.s_addr != nc_ip.s_addr && !is_broadcast(nc_ip))
 		return 0; /* not from our client */
 
 	debug_cond(DEBUG_DEV_PKT, "input: \"%*.*s\"\n", len, len, pkt);
@@ -171,7 +172,7 @@ static void nc_send_packet(const char *buf, int len)
 	int inited = 0;
 	uchar *pkt;
 	uchar *ether;
-	IPaddr_t ip;
+	struct in_addr ip;
 
 	debug_cond(DEBUG_DEV_PKT, "output: \"%*.*s\"\n", len, len, buf);
 
diff --git a/drivers/net/sandbox-raw.c b/drivers/net/sandbox-raw.c
index 91da5f55ca..45c3b18bdf 100644
--- a/drivers/net/sandbox-raw.c
+++ b/drivers/net/sandbox-raw.c
@@ -16,7 +16,7 @@
 DECLARE_GLOBAL_DATA_PTR;
 
 static int reply_arp;
-static IPaddr_t arp_ip;
+static struct in_addr arp_ip;
 
 static int sb_eth_raw_start(struct udevice *dev)
 {
@@ -55,7 +55,7 @@ static int sb_eth_raw_send(struct udevice *dev, void *packet, int length)
 			 * localhost works on a higher-level API in Linux than
 			 * ARP packets, so fake it
 			 */
-			arp_ip = NetReadIP(&arp->ar_tpa);
+			arp_ip = net_read_ip(&arp->ar_tpa);
 			reply_arp = 1;
 			return 0;
 		}
@@ -93,9 +93,9 @@ static int sb_eth_raw_recv(struct udevice *dev, uchar **packetp)
 		/* Any non-zero MAC address will work */
 		memset(&arp->ar_sha, 0x01, ARP_HLEN);
 		/* Use whatever IP we were looking for (always 127.0.0.1?) */
-		NetWriteIP(&arp->ar_spa, arp_ip);
+		net_write_ip(&arp->ar_spa, arp_ip);
 		memcpy(&arp->ar_tha, pdata->enetaddr, ARP_HLEN);
-		NetWriteIP(&arp->ar_tpa, NetOurIP);
+		net_write_ip(&arp->ar_tpa, net_ip);
 		length = ARP_HDR_SIZE;
 	} else {
 		/* If local, the Ethernet header won't be included; skip it */
diff --git a/drivers/net/sandbox.c b/drivers/net/sandbox.c
index db115d0339..e239ff4447 100644
--- a/drivers/net/sandbox.c
+++ b/drivers/net/sandbox.c
@@ -24,7 +24,7 @@ DECLARE_GLOBAL_DATA_PTR;
  */
 struct eth_sandbox_priv {
 	uchar fake_host_hwaddr[ARP_HLEN];
-	IPaddr_t fake_host_ipaddr;
+	struct in_addr fake_host_ipaddr;
 	uchar *recv_packet_buffer;
 	int recv_packet_length;
 };
@@ -73,7 +73,7 @@ static int sb_eth_send(struct udevice *dev, void *packet, int length)
 			struct arp_hdr *arp_recv;
 
 			/* store this as the assumed IP of the fake host */
-			priv->fake_host_ipaddr = NetReadIP(&arp->ar_tpa);
+			priv->fake_host_ipaddr = net_read_ip(&arp->ar_tpa);
 			/* Formulate a fake response */
 			eth_recv = (void *)priv->recv_packet_buffer;
 			memcpy(eth_recv->et_dest, eth->et_src, ARP_HLEN);
@@ -90,9 +90,9 @@ static int sb_eth_send(struct udevice *dev, void *packet, int length)
 			arp_recv->ar_op = htons(ARPOP_REPLY);
 			memcpy(&arp_recv->ar_sha, priv->fake_host_hwaddr,
 			       ARP_HLEN);
-			NetWriteIP(&arp_recv->ar_spa, priv->fake_host_ipaddr);
+			net_write_ip(&arp_recv->ar_spa, priv->fake_host_ipaddr);
 			memcpy(&arp_recv->ar_tha, &arp->ar_sha, ARP_HLEN);
-			NetCopyIP(&arp_recv->ar_tpa, &arp->ar_spa);
+			net_copy_ip(&arp_recv->ar_tpa, &arp->ar_spa);
 
 			priv->recv_packet_length = ETHER_HDR_SIZE +
 				ARP_HDR_SIZE;
@@ -121,9 +121,9 @@ static int sb_eth_send(struct udevice *dev, void *packet, int length)
 				       ARP_HLEN);
 				ipr->ip_sum = 0;
 				ipr->ip_off = 0;
-				NetCopyIP((void *)&ipr->ip_dst, &ip->ip_src);
-				NetWriteIP((void *)&ipr->ip_src,
-					   priv->fake_host_ipaddr);
+				net_copy_ip((void *)&ipr->ip_dst, &ip->ip_src);
+				net_write_ip((void *)&ipr->ip_src,
+					     priv->fake_host_ipaddr);
 				ipr->ip_sum = compute_ip_checksum(ipr,
 					IP_HDR_SIZE);
 
diff --git a/include/common.h b/include/common.h
index 932b2fc4f1..a079f13bdc 100644
--- a/include/common.h
+++ b/include/common.h
@@ -826,7 +826,7 @@ int zzip(void *dst, unsigned long *lenp, unsigned char *src,
 
 /* lib/net_utils.c */
 #include <net.h>
-static inline IPaddr_t getenv_IPaddr(char *var)
+static inline struct in_addr getenv_ip(char *var)
 {
 	return string_to_ip(getenv(var));
 }
diff --git a/include/net.h b/include/net.h
index 35602cd387..a19f7a1e69 100644
--- a/include/net.h
+++ b/include/net.h
@@ -39,8 +39,9 @@
 #define PKTALIGN	ARCH_DMA_MINALIGN
 
 /* IPv4 addresses are always 32 bits in size */
-typedef __be32		IPaddr_t;
-
+struct in_addr {
+	__be32 s_addr;
+};
 
 /**
  * An incoming packet handler.
@@ -51,7 +52,7 @@ typedef __be32		IPaddr_t;
  * @param len    packet length
  */
 typedef void rxhand_f(uchar *pkt, unsigned dport,
-		      IPaddr_t sip, unsigned sport,
+		      struct in_addr sip, unsigned sport,
 		      unsigned len);
 
 /**
@@ -65,7 +66,7 @@ typedef void rxhand_f(uchar *pkt, unsigned dport,
  * @param len	packet length
  */
 typedef void rxhand_icmp_f(unsigned type, unsigned code, unsigned dport,
-		IPaddr_t sip, unsigned sport, uchar *pkt, unsigned len);
+		struct in_addr sip, unsigned sport, uchar *pkt, unsigned len);
 
 /*
  *	A timeout handler.  Called after time interval has expired.
@@ -243,7 +244,7 @@ void eth_halt(void);			/* stop SCC */
 const char *eth_get_name(void);		/* get name of current device */
 
 #ifdef CONFIG_MCAST_TFTP
-int eth_mcast_join(IPaddr_t mcast_addr, int join);
+int eth_mcast_join(struct in_addr mcast_addr, int join);
 u32 ether_crc(size_t len, unsigned char const *p);
 #endif
 
@@ -318,8 +319,8 @@ struct ip_hdr {
 	uchar		ip_ttl;		/* time to live			*/
 	uchar		ip_p;		/* protocol			*/
 	ushort		ip_sum;		/* checksum			*/
-	IPaddr_t	ip_src;		/* Source IP address		*/
-	IPaddr_t	ip_dst;		/* Destination IP address	*/
+	struct in_addr	ip_src;		/* Source IP address		*/
+	struct in_addr	ip_dst;		/* Destination IP address	*/
 };
 
 #define IP_OFFS		0x1fff /* ip offset *= 8 */
@@ -342,8 +343,8 @@ struct ip_udp_hdr {
 	uchar		ip_ttl;		/* time to live			*/
 	uchar		ip_p;		/* protocol			*/
 	ushort		ip_sum;		/* checksum			*/
-	IPaddr_t	ip_src;		/* Source IP address		*/
-	IPaddr_t	ip_dst;		/* Destination IP address	*/
+	struct in_addr	ip_src;		/* Source IP address		*/
+	struct in_addr	ip_dst;		/* Destination IP address	*/
 	ushort		udp_src;	/* UDP source port		*/
 	ushort		udp_dst;	/* UDP destination port		*/
 	ushort		udp_len;	/* Length of UDP packet		*/
@@ -458,17 +459,19 @@ struct icmp_hdr {
  *
  * Note:
  *
- * All variables of type IPaddr_t are stored in NETWORK byte order
+ * All variables of type struct in_addr are stored in NETWORK byte order
  * (big endian).
  */
 
 /* net.c */
 /** BOOTP EXTENTIONS **/
-extern IPaddr_t NetOurGatewayIP;	/* Our gateway IP address */
-extern IPaddr_t NetOurSubnetMask;	/* Our subnet mask (0 = unknown) */
-extern IPaddr_t NetOurDNSIP;	/* Our Domain Name Server (0 = unknown) */
+extern struct in_addr net_gateway;	/* Our gateway IP address */
+extern struct in_addr net_netmask;	/* Our subnet mask (0 = unknown) */
+/* Our Domain Name Server (0 = unknown) */
+extern struct in_addr net_dns_server;
 #if defined(CONFIG_BOOTP_DNS2)
-extern IPaddr_t NetOurDNS2IP;	/* Our 2nd Domain Name Server (0 = unknown) */
+/* Our 2nd Domain Name Server (0 = unknown) */
+extern struct in_addr net_dns_server2;
 #endif
 extern char	NetOurNISDomain[32];	/* Our NIS domain */
 extern char	NetOurHostName[32];	/* Our hostname */
@@ -478,8 +481,8 @@ extern ushort	NetBootFileSize;	/* Our boot file size in blocks */
 extern ulong		NetBootFileXferSize;	/* size of bootfile in bytes */
 extern uchar		NetOurEther[6];		/* Our ethernet address */
 extern uchar		NetServerEther[6];	/* Boot server enet address */
-extern IPaddr_t		NetOurIP;	/* Our    IP addr (0 = unknown) */
-extern IPaddr_t		NetServerIP;	/* Server IP addr (0 = unknown) */
+extern struct in_addr	net_ip;		/* Our    IP addr (0 = unknown) */
+extern struct in_addr	net_server_ip;	/* Server IP addr (0 = unknown) */
 extern uchar		*NetTxPacket;		/* THE transmit packet */
 #ifdef CONFIG_DM_ETH
 extern uchar		*net_rx_packets[PKTBUFSRX]; /* Receive packets */
@@ -513,7 +516,7 @@ extern char *NetDNSenvvar;		/* the env var to put the ip into */
 #endif
 
 #if defined(CONFIG_CMD_PING)
-extern IPaddr_t	NetPingIP;			/* the ip address to ping */
+extern struct in_addr net_ping_ip;	/* the ip address to ping */
 #endif
 
 #if defined(CONFIG_CMD_CDP)
@@ -533,12 +536,12 @@ static inline int is_cdp_packet(const uchar *et_addr)
 #endif
 
 #if defined(CONFIG_CMD_SNTP)
-extern IPaddr_t	NetNtpServerIP;			/* the ip address to NTP */
+extern struct in_addr	net_ntp_server;		/* the ip address to NTP */
 extern int NetTimeOffset;			/* offset time from UTC */
 #endif
 
 #if defined(CONFIG_MCAST_TFTP)
-extern IPaddr_t Mcast_addr;
+extern struct in_addr net_mcast_addr;
 #endif
 
 /* Initialize the network adapter */
@@ -559,8 +562,8 @@ int NetSetEther(uchar *, uchar *, uint);
 int net_update_ether(struct ethernet_hdr *et, uchar *addr, uint prot);
 
 /* Set IP header */
-void net_set_ip_header(uchar *pkt, IPaddr_t dest, IPaddr_t source);
-void net_set_udp_header(uchar *pkt, IPaddr_t dest, int dport,
+void net_set_ip_header(uchar *pkt, struct in_addr dest, struct in_addr source);
+void net_set_udp_header(uchar *pkt, struct in_addr dest, int dport,
 				int sport, int len);
 
 /**
@@ -633,7 +636,7 @@ static inline void NetSendPacket(uchar *pkt, int len)
  * @param sport Source UDP port
  * @param payload_len Length of data after the UDP header
  */
-int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport,
+int NetSendUDPPacket(uchar *ether, struct in_addr dest, int dport,
 			int sport, int payload_len);
 
 #ifndef CONFIG_DM_ETH
@@ -644,7 +647,7 @@ void net_process_received_packet(uchar *in_packet, int len);
 
 #ifdef CONFIG_NETCONSOLE
 void NcStart(void);
-int nc_input_packet(uchar *pkt, IPaddr_t src_ip, unsigned dest_port,
+int nc_input_packet(uchar *pkt, struct in_addr src_ip, unsigned dest_port,
 	unsigned src_port, unsigned len);
 #endif
 
@@ -682,9 +685,9 @@ void net_auto_load(void);
  * footprint in our tests.
  */
 /* return IP *in network byteorder* */
-static inline IPaddr_t NetReadIP(void *from)
+static inline struct in_addr net_read_ip(void *from)
 {
-	IPaddr_t ip;
+	struct in_addr ip;
 
 	memcpy((void *)&ip, (void *)from, sizeof(ip));
 	return ip;
@@ -700,15 +703,15 @@ static inline ulong NetReadLong(ulong *from)
 }
 
 /* write IP *in network byteorder* */
-static inline void NetWriteIP(void *to, IPaddr_t ip)
+static inline void net_write_ip(void *to, struct in_addr ip)
 {
 	memcpy(to, (void *)&ip, sizeof(ip));
 }
 
 /* copy IP */
-static inline void NetCopyIP(void *to, void *from)
+static inline void net_copy_ip(void *to, void *from)
 {
-	memcpy((void *)to, from, sizeof(IPaddr_t));
+	memcpy((void *)to, from, sizeof(struct in_addr));
 }
 
 /* copy ulong */
@@ -788,10 +791,10 @@ static inline void eth_random_addr(uchar *addr)
 }
 
 /* Convert an IP address to a string */
-void ip_to_string(IPaddr_t x, char *s);
+void ip_to_string(struct in_addr x, char *s);
 
 /* Convert a string to ip address */
-IPaddr_t string_to_ip(const char *s);
+struct in_addr string_to_ip(const char *s);
 
 /* Convert a VLAN id to a string */
 void VLAN_to_string(ushort x, char *s);
diff --git a/lib/net_utils.c b/lib/net_utils.c
index 8d66163159..cfae842752 100644
--- a/lib/net_utils.c
+++ b/lib/net_utils.c
@@ -12,23 +12,25 @@
 
 #include <common.h>
 
-IPaddr_t string_to_ip(const char *s)
+struct in_addr string_to_ip(const char *s)
 {
-	IPaddr_t addr;
+	struct in_addr addr;
 	char *e;
 	int i;
 
+	addr.s_addr = 0;
 	if (s == NULL)
-		return(0);
+		return addr;
 
-	for (addr=0, i=0; i<4; ++i) {
+	for (addr.s_addr = 0, i = 0; i < 4; ++i) {
 		ulong val = s ? simple_strtoul(s, &e, 10) : 0;
-		addr <<= 8;
-		addr |= (val & 0xFF);
+		addr.s_addr <<= 8;
+		addr.s_addr |= (val & 0xFF);
 		if (s) {
 			s = (*e) ? e+1 : e;
 		}
 	}
 
-	return (htonl(addr));
+	addr.s_addr = htonl(addr.s_addr);
+	return addr;
 }
diff --git a/net/arp.c b/net/arp.c
index 21ed31bf74..4971a53612 100644
--- a/net/arp.c
+++ b/net/arp.c
@@ -27,8 +27,8 @@
 # define ARP_TIMEOUT_COUNT	CONFIG_NET_RETRY_COUNT
 #endif
 
-IPaddr_t	NetArpWaitPacketIP;
-static IPaddr_t	NetArpWaitReplyIP;
+struct in_addr net_arp_wait_packet_ip;
+static struct in_addr net_arp_wait_reply_ip;
 /* MAC address of waiting packet's destination */
 uchar	       *NetArpWaitPacketMAC;
 int		NetArpWaitTxPacketSize;
@@ -42,15 +42,15 @@ void ArpInit(void)
 {
 	/* XXX problem with bss workaround */
 	NetArpWaitPacketMAC = NULL;
-	NetArpWaitPacketIP = 0;
-	NetArpWaitReplyIP = 0;
+	net_arp_wait_packet_ip.s_addr = 0;
+	net_arp_wait_reply_ip.s_addr = 0;
 	NetArpWaitTxPacketSize = 0;
 	NetArpTxPacket = &NetArpPacketBuf[0] + (PKTALIGN - 1);
 	NetArpTxPacket -= (ulong)NetArpTxPacket % PKTALIGN;
 }
 
-void arp_raw_request(IPaddr_t sourceIP, const uchar *targetEther,
-	IPaddr_t targetIP)
+void arp_raw_request(struct in_addr source_ip, const uchar *targetEther,
+	struct in_addr target_ip)
 {
 	uchar *pkt;
 	struct arp_hdr *arp;
@@ -72,35 +72,35 @@ void arp_raw_request(IPaddr_t sourceIP, const uchar *targetEther,
 	arp->ar_op = htons(ARPOP_REQUEST);
 
 	memcpy(&arp->ar_sha, NetOurEther, ARP_HLEN);	/* source ET addr */
-	NetWriteIP(&arp->ar_spa, sourceIP);		/* source IP addr */
+	net_write_ip(&arp->ar_spa, source_ip);		/* source IP addr */
 	memcpy(&arp->ar_tha, targetEther, ARP_HLEN);	/* target ET addr */
-	NetWriteIP(&arp->ar_tpa, targetIP);		/* target IP addr */
+	net_write_ip(&arp->ar_tpa, target_ip);		/* target IP addr */
 
 	NetSendPacket(NetArpTxPacket, eth_hdr_size + ARP_HDR_SIZE);
 }
 
 void ArpRequest(void)
 {
-	if ((NetArpWaitPacketIP & NetOurSubnetMask) !=
-	    (NetOurIP & NetOurSubnetMask)) {
-		if (NetOurGatewayIP == 0) {
+	if ((net_arp_wait_packet_ip.s_addr & net_netmask.s_addr) !=
+	    (net_ip.s_addr & net_netmask.s_addr)) {
+		if (net_gateway.s_addr == 0) {
 			puts("## Warning: gatewayip needed but not set\n");
-			NetArpWaitReplyIP = NetArpWaitPacketIP;
+			net_arp_wait_reply_ip = net_arp_wait_packet_ip;
 		} else {
-			NetArpWaitReplyIP = NetOurGatewayIP;
+			net_arp_wait_reply_ip = net_gateway;
 		}
 	} else {
-		NetArpWaitReplyIP = NetArpWaitPacketIP;
+		net_arp_wait_reply_ip = net_arp_wait_packet_ip;
 	}
 
-	arp_raw_request(NetOurIP, NetEtherNullAddr, NetArpWaitReplyIP);
+	arp_raw_request(net_ip, NetEtherNullAddr, net_arp_wait_reply_ip);
 }
 
 void ArpTimeoutCheck(void)
 {
 	ulong t;
 
-	if (!NetArpWaitPacketIP)
+	if (!net_arp_wait_packet_ip.s_addr)
 		return;
 
 	t = get_timer(0);
@@ -123,7 +123,7 @@ void ArpTimeoutCheck(void)
 void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
 {
 	struct arp_hdr *arp;
-	IPaddr_t reply_ip_addr;
+	struct in_addr reply_ip_addr;
 	uchar *pkt;
 	int eth_hdr_size;
 
@@ -152,10 +152,10 @@ void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
 	if (arp->ar_pln != ARP_PLEN)
 		return;
 
-	if (NetOurIP == 0)
+	if (net_ip.s_addr == 0)
 		return;
 
-	if (NetReadIP(&arp->ar_tpa) != NetOurIP)
+	if (net_read_ip(&arp->ar_tpa).s_addr != net_ip.s_addr)
 		return;
 
 	switch (ntohs(arp->ar_op)) {
@@ -167,9 +167,9 @@ void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
 		pkt += eth_hdr_size;
 		arp->ar_op = htons(ARPOP_REPLY);
 		memcpy(&arp->ar_tha, &arp->ar_sha, ARP_HLEN);
-		NetCopyIP(&arp->ar_tpa, &arp->ar_spa);
+		net_copy_ip(&arp->ar_tpa, &arp->ar_spa);
 		memcpy(&arp->ar_sha, NetOurEther, ARP_HLEN);
-		NetCopyIP(&arp->ar_spa, &NetOurIP);
+		net_copy_ip(&arp->ar_spa, &net_ip);
 
 #ifdef CONFIG_CMD_LINK_LOCAL
 		/*
@@ -180,8 +180,8 @@ void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
 		 *   reply to ARP request so that our reply will overwrite
 		 *   the arp-proxy's instead of the other way around.
 		 */
-		if ((NetReadIP(&arp->ar_tpa) & NetOurSubnetMask) !=
-		    (NetReadIP(&arp->ar_spa) & NetOurSubnetMask))
+		if ((net_read_ip(&arp->ar_tpa).s_addr & net_netmask.s_addr) !=
+		    (net_read_ip(&arp->ar_spa).s_addr & net_netmask.s_addr))
 			udelay(5000);
 #endif
 		NetSendPacket((uchar *)et, eth_hdr_size + ARP_HDR_SIZE);
@@ -189,21 +189,21 @@ void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
 
 	case ARPOP_REPLY:		/* arp reply */
 		/* are we waiting for a reply */
-		if (!NetArpWaitPacketIP)
+		if (!net_arp_wait_packet_ip.s_addr)
 			break;
 
 #ifdef CONFIG_KEEP_SERVERADDR
-		if (NetServerIP == NetArpWaitPacketIP) {
+		if (net_server_ip.s_addr == net_arp_wait_packet_ip.s_addr) {
 			char buf[20];
 			sprintf(buf, "%pM", &arp->ar_sha);
 			setenv("serveraddr", buf);
 		}
 #endif
 
-		reply_ip_addr = NetReadIP(&arp->ar_spa);
+		reply_ip_addr = net_read_ip(&arp->ar_spa);
 
 		/* matched waiting packet's address */
-		if (reply_ip_addr == NetArpWaitReplyIP) {
+		if (reply_ip_addr.s_addr == net_arp_wait_reply_ip.s_addr) {
 			debug_cond(DEBUG_DEV_PKT,
 				"Got ARP REPLY, set eth addr (%pM)\n",
 				arp->ar_data);
@@ -223,7 +223,7 @@ void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
 			NetSendPacket(NetTxPacket, NetArpWaitTxPacketSize);
 
 			/* no arp request pending now */
-			NetArpWaitPacketIP = 0;
+			net_arp_wait_packet_ip.s_addr = 0;
 			NetArpWaitTxPacketSize = 0;
 			NetArpWaitPacketMAC = NULL;
 
diff --git a/net/arp.h b/net/arp.h
index 3a0a13a372..718342bcf0 100644
--- a/net/arp.h
+++ b/net/arp.h
@@ -14,7 +14,7 @@
 
 #include <common.h>
 
-extern IPaddr_t	NetArpWaitPacketIP;
+extern struct in_addr net_arp_wait_packet_ip;
 /* MAC address of waiting packet's destination */
 extern uchar *NetArpWaitPacketMAC;
 extern int NetArpWaitTxPacketSize;
@@ -23,8 +23,8 @@ extern int NetArpWaitTry;
 
 void ArpInit(void);
 void ArpRequest(void);
-void arp_raw_request(IPaddr_t sourceIP, const uchar *targetEther,
-	IPaddr_t targetIP);
+void arp_raw_request(struct in_addr source_ip, const uchar *targetEther,
+	struct in_addr target_ip);
 void ArpTimeoutCheck(void);
 void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len);
 
diff --git a/net/bootp.c b/net/bootp.c
index 81066015f1..a56ed4cf8c 100644
--- a/net/bootp.c
+++ b/net/bootp.c
@@ -60,9 +60,9 @@ ulong		bootp_timeout;
 #if defined(CONFIG_CMD_DHCP)
 static dhcp_state_t dhcp_state = INIT;
 static unsigned long dhcp_leasetime;
-static IPaddr_t NetDHCPServerIP;
-static void DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
-			unsigned len);
+static struct in_addr dhcp_server_ip;
+static void dhcp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
+			unsigned src, unsigned len);
 
 /* For Debug */
 #if 0
@@ -139,11 +139,11 @@ static int BootpCheckPkt(uchar *pkt, unsigned dest, unsigned src, unsigned len)
 static void BootpCopyNetParams(struct Bootp_t *bp)
 {
 #if !defined(CONFIG_BOOTP_SERVERIP)
-	IPaddr_t tmp_ip;
+	struct in_addr tmp_ip;
 
-	NetCopyIP(&tmp_ip, &bp->bp_siaddr);
-	if (tmp_ip != 0)
-		NetCopyIP(&NetServerIP, &bp->bp_siaddr);
+	net_copy_ip(&tmp_ip, &bp->bp_siaddr);
+	if (tmp_ip.s_addr != 0)
+		net_copy_ip(&net_server_ip, &bp->bp_siaddr);
 	memcpy(NetServerEther, ((struct ethernet_hdr *)NetRxPacket)->et_src, 6);
 	if (strlen(bp->bp_file) > 0)
 		copy_filename(BootFile, bp->bp_file, sizeof(BootFile));
@@ -157,7 +157,7 @@ static void BootpCopyNetParams(struct Bootp_t *bp)
 	if (*BootFile)
 		setenv("bootfile", BootFile);
 #endif
-	NetCopyIP(&NetOurIP, &bp->bp_yiaddr);
+	net_copy_ip(&net_ip, &bp->bp_yiaddr);
 }
 
 static int truncate_sz(const char *name, int maxlen, int curlen)
@@ -184,26 +184,28 @@ static void BootpVendorFieldProcess(u8 *ext)
 	switch (*ext) {
 		/* Fixed length fields */
 	case 1:			/* Subnet mask */
-		if (NetOurSubnetMask == 0)
-			NetCopyIP(&NetOurSubnetMask, (IPaddr_t *) (ext + 2));
+		if (net_netmask.s_addr == 0)
+			net_copy_ip(&net_netmask, (struct in_addr *)(ext + 2));
 		break;
 	case 2:			/* Time offset - Not yet supported */
 		break;
 		/* Variable length fields */
 	case 3:			/* Gateways list */
-		if (NetOurGatewayIP == 0)
-			NetCopyIP(&NetOurGatewayIP, (IPaddr_t *) (ext + 2));
+		if (net_gateway.s_addr == 0)
+			net_copy_ip(&net_gateway, (struct in_addr *)(ext + 2));
 		break;
 	case 4:			/* Time server - Not yet supported */
 		break;
 	case 5:			/* IEN-116 name server - Not yet supported */
 		break;
 	case 6:
-		if (NetOurDNSIP == 0)
-			NetCopyIP(&NetOurDNSIP, (IPaddr_t *) (ext + 2));
+		if (net_dns_server.s_addr == 0)
+			net_copy_ip(&net_dns_server,
+				    (struct in_addr *)(ext + 2));
 #if defined(CONFIG_BOOTP_DNS2)
-		if ((NetOurDNS2IP == 0) && (size > 4))
-			NetCopyIP(&NetOurDNS2IP, (IPaddr_t *) (ext + 2 + 4));
+		if ((net_dns_server2.s_addr == 0) && (size > 4))
+			net_copy_ip(&net_dns_server2,
+				    (struct in_addr *)(ext + 2 + 4));
 #endif
 		break;
 	case 7:			/* Log server - Not yet supported */
@@ -262,7 +264,7 @@ static void BootpVendorFieldProcess(u8 *ext)
 		break;
 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
 	case 42:	/* NTP server IP */
-		NetCopyIP(&NetNtpServerIP, (IPaddr_t *) (ext + 2));
+		net_copy_ip(&net_ntp_server, (struct in_addr *)(ext + 2));
 		break;
 #endif
 		/* Application layer fields */
@@ -295,11 +297,11 @@ static void BootpVendorProcess(u8 *ext, int size)
 	}
 
 	debug("[BOOTP] Received fields:\n");
-	if (NetOurSubnetMask)
-		debug("NetOurSubnetMask : %pI4\n", &NetOurSubnetMask);
+	if (net_netmask.s_addr)
+		debug("net_netmask : %pI4\n", &net_netmask);
 
-	if (NetOurGatewayIP)
-		debug("NetOurGatewayIP	: %pI4", &NetOurGatewayIP);
+	if (net_gateway.s_addr)
+		debug("net_gateway	: %pI4", &net_gateway);
 
 	if (NetBootFileSize)
 		debug("NetBootFileSize : %d\n", NetBootFileSize);
@@ -317,17 +319,16 @@ static void BootpVendorProcess(u8 *ext, int size)
 		debug("NetBootFileSize: %d\n", NetBootFileSize);
 
 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
-	if (NetNtpServerIP)
-		debug("NetNtpServerIP : %pI4\n", &NetNtpServerIP);
+	if (net_ntp_server)
+		debug("net_ntp_server : %pI4\n", &net_ntp_server);
 #endif
 }
 
 /*
  *	Handle a BOOTP received packet.
  */
-static void
-BootpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
-	     unsigned len)
+static void bootp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
+			  unsigned src, unsigned len)
 {
 	struct Bootp_t *bp;
 
@@ -400,8 +401,8 @@ BootpTimeout(void)
  *	Initialize BOOTP extension fields in the request.
  */
 #if defined(CONFIG_CMD_DHCP)
-static int DhcpExtended(u8 *e, int message_type, IPaddr_t ServerID,
-			IPaddr_t RequestedIP)
+static int dhcp_extended(u8 *e, int message_type, struct in_addr server_ip,
+			struct in_addr requested_ip)
 {
 	u8 *start = e;
 	u8 *cnt;
@@ -431,8 +432,8 @@ static int DhcpExtended(u8 *e, int message_type, IPaddr_t ServerID,
 	*e++ = (576 - 312 + OPT_FIELD_SIZE) >> 8;
 	*e++ = (576 - 312 + OPT_FIELD_SIZE) & 0xff;
 
-	if (ServerID) {
-		int tmp = ntohl(ServerID);
+	if (server_ip.s_addr) {
+		int tmp = ntohl(server_ip.s_addr);
 
 		*e++ = 54;	/* ServerID */
 		*e++ = 4;
@@ -442,8 +443,8 @@ static int DhcpExtended(u8 *e, int message_type, IPaddr_t ServerID,
 		*e++ = tmp & 0xff;
 	}
 
-	if (RequestedIP) {
-		int tmp = ntohl(RequestedIP);
+	if (requested_ip.s_addr) {
+		int tmp = ntohl(requested_ip.s_addr);
 
 		*e++ = 50;	/* Requested IP */
 		*e++ = 4;
@@ -561,7 +562,7 @@ static int DhcpExtended(u8 *e, int message_type, IPaddr_t ServerID,
 /*
  * Warning: no field size check - change CONFIG_BOOTP_* at your own risk!
  */
-static int BootpExtended(u8 *e)
+static int bootp_extended(u8 *e)
 {
 	u8 *start = e;
 
@@ -662,6 +663,8 @@ BootpRequest(void)
 	ulong rand_ms;
 #endif
 	ulong BootpID;
+	struct in_addr zero_ip;
+	struct in_addr bcast_ip;
 
 	bootstage_mark_name(BOOTSTAGE_ID_BOOTP_START, "bootp_start");
 #if defined(CONFIG_CMD_DHCP)
@@ -707,18 +710,20 @@ BootpRequest(void)
 	bp->bp_hlen = HWL_ETHER;
 	bp->bp_hops = 0;
 	bp->bp_secs = htons(get_timer(0) / 1000);
-	NetWriteIP(&bp->bp_ciaddr, 0);
-	NetWriteIP(&bp->bp_yiaddr, 0);
-	NetWriteIP(&bp->bp_siaddr, 0);
-	NetWriteIP(&bp->bp_giaddr, 0);
+	zero_ip.s_addr = 0;
+	net_write_ip(&bp->bp_ciaddr, zero_ip);
+	net_write_ip(&bp->bp_yiaddr, zero_ip);
+	net_write_ip(&bp->bp_siaddr, zero_ip);
+	net_write_ip(&bp->bp_giaddr, zero_ip);
 	memcpy(bp->bp_chaddr, NetOurEther, 6);
 	copy_filename(bp->bp_file, BootFile, sizeof(bp->bp_file));
 
 	/* Request additional information from the BOOTP/DHCP server */
 #if defined(CONFIG_CMD_DHCP)
-	extlen = DhcpExtended((u8 *)bp->bp_vend, DHCP_DISCOVER, 0, 0);
+	extlen = dhcp_extended((u8 *)bp->bp_vend, DHCP_DISCOVER, zero_ip,
+			       zero_ip);
 #else
-	extlen = BootpExtended((u8 *)bp->bp_vend);
+	extlen = bootp_extended((u8 *)bp->bp_vend);
 #endif
 
 	/*
@@ -740,14 +745,15 @@ BootpRequest(void)
 	 */
 	iplen = BOOTP_HDR_SIZE - OPT_FIELD_SIZE + extlen;
 	pktlen = eth_hdr_size + IP_UDP_HDR_SIZE + iplen;
-	net_set_udp_header(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen);
+	bcast_ip.s_addr = 0xFFFFFFFFL;
+	net_set_udp_header(iphdr, bcast_ip, PORT_BOOTPS, PORT_BOOTPC, iplen);
 	NetSetTimeout(bootp_timeout, BootpTimeout);
 
 #if defined(CONFIG_CMD_DHCP)
 	dhcp_state = SELECTING;
-	net_set_udp_handler(DhcpHandler);
+	net_set_udp_handler(dhcp_handler);
 #else
-	net_set_udp_handler(BootpHandler);
+	net_set_udp_handler(bootp_handler);
 #endif
 	NetSendPacket(NetTxPacket, pktlen);
 }
@@ -765,7 +771,7 @@ static void DhcpOptionsProcess(uchar *popt, struct Bootp_t *bp)
 		oplen = *(popt + 1);
 		switch (*popt) {
 		case 1:
-			NetCopyIP(&NetOurSubnetMask, (popt + 2));
+			net_copy_ip(&net_netmask, (popt + 2));
 			break;
 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
 		case 2:		/* Time offset	*/
@@ -775,13 +781,13 @@ static void DhcpOptionsProcess(uchar *popt, struct Bootp_t *bp)
 			break;
 #endif
 		case 3:
-			NetCopyIP(&NetOurGatewayIP, (popt + 2));
+			net_copy_ip(&net_gateway, (popt + 2));
 			break;
 		case 6:
-			NetCopyIP(&NetOurDNSIP, (popt + 2));
+			net_copy_ip(&net_dns_server, (popt + 2));
 #if defined(CONFIG_BOOTP_DNS2)
 			if (*(popt + 1) > 4)
-				NetCopyIP(&NetOurDNS2IP, (popt + 2 + 4));
+				net_copy_ip(&net_dns_server2, (popt + 2 + 4));
 #endif
 			break;
 		case 12:
@@ -802,7 +808,7 @@ static void DhcpOptionsProcess(uchar *popt, struct Bootp_t *bp)
 			break;
 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
 		case 42:	/* NTP server IP */
-			NetCopyIP(&NetNtpServerIP, (popt + 2));
+			net_copy_ip(&net_ntp_server, (popt + 2));
 			break;
 #endif
 		case 51:
@@ -811,7 +817,7 @@ static void DhcpOptionsProcess(uchar *popt, struct Bootp_t *bp)
 		case 53:	/* Ignore Message Type Option */
 			break;
 		case 54:
-			NetCopyIP(&NetDHCPServerIP, (popt + 2));
+			net_copy_ip(&dhcp_server_ip, (popt + 2));
 			break;
 		case 58:	/* Ignore Renewal Time Option */
 			break;
@@ -878,7 +884,9 @@ static void DhcpSendRequestPkt(struct Bootp_t *bp_offer)
 	struct Bootp_t *bp;
 	int pktlen, iplen, extlen;
 	int eth_hdr_size;
-	IPaddr_t OfferedIP;
+	struct in_addr offered_ip;
+	struct in_addr zero_ip;
+	struct in_addr bcast_ip;
 
 	debug("DhcpSendRequestPkt: Sending DHCPREQUEST\n");
 	pkt = NetTxPacket;
@@ -903,7 +911,8 @@ static void DhcpSendRequestPkt(struct Bootp_t *bp_offer)
 	 * RFC3046 requires Relay Agents to discard packets with
 	 * nonzero and offered giaddr
 	 */
-	NetWriteIP(&bp->bp_giaddr, 0);
+	zero_ip.s_addr = 0;
+	net_write_ip(&bp->bp_giaddr, zero_ip);
 
 	memcpy(bp->bp_chaddr, NetOurEther, 6);
 
@@ -918,13 +927,14 @@ static void DhcpSendRequestPkt(struct Bootp_t *bp_offer)
 	 */
 
 	/* Copy offered IP into the parameters request list */
-	NetCopyIP(&OfferedIP, &bp_offer->bp_yiaddr);
-	extlen = DhcpExtended((u8 *)bp->bp_vend, DHCP_REQUEST,
-		NetDHCPServerIP, OfferedIP);
+	net_copy_ip(&offered_ip, &bp_offer->bp_yiaddr);
+	extlen = dhcp_extended((u8 *)bp->bp_vend, DHCP_REQUEST,
+		dhcp_server_ip, offered_ip);
 
 	iplen = BOOTP_HDR_SIZE - OPT_FIELD_SIZE + extlen;
 	pktlen = eth_hdr_size + IP_UDP_HDR_SIZE + iplen;
-	net_set_udp_header(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen);
+	bcast_ip.s_addr = 0xFFFFFFFFL;
+	net_set_udp_header(iphdr, bcast_ip, PORT_BOOTPS, PORT_BOOTPC, iplen);
 
 #ifdef CONFIG_BOOTP_DHCP_REQUEST_DELAY
 	udelay(CONFIG_BOOTP_DHCP_REQUEST_DELAY);
@@ -936,9 +946,8 @@ static void DhcpSendRequestPkt(struct Bootp_t *bp_offer)
 /*
  *	Handle DHCP received packets.
  */
-static void
-DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
-	    unsigned len)
+static void dhcp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
+			 unsigned src, unsigned len)
 {
 	struct Bootp_t *bp = (struct Bootp_t *)pkt;
 
@@ -993,7 +1002,7 @@ DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
 			BootpCopyNetParams(bp);
 			dhcp_state = BOUND;
 			printf("DHCP client bound to address %pI4 (%lu ms)\n",
-				&NetOurIP, get_timer(bootp_start));
+				&net_ip, get_timer(bootp_start));
 			bootstage_mark_name(BOOTSTAGE_ID_BOOTP_STOP,
 				"bootp_stop");
 
diff --git a/net/bootp.h b/net/bootp.h
index 3b95a0a2de..16f40dc156 100644
--- a/net/bootp.h
+++ b/net/bootp.h
@@ -41,10 +41,10 @@ struct Bootp_t {
 	ulong		bp_id;		/* Transaction ID		*/
 	ushort		bp_secs;	/* Seconds since boot		*/
 	ushort		bp_spare1;	/* Alignment			*/
-	IPaddr_t	bp_ciaddr;	/* Client IP address		*/
-	IPaddr_t	bp_yiaddr;	/* Your (client) IP address	*/
-	IPaddr_t	bp_siaddr;	/* Server IP address		*/
-	IPaddr_t	bp_giaddr;	/* Gateway IP address		*/
+	struct in_addr	bp_ciaddr;	/* Client IP address		*/
+	struct in_addr	bp_yiaddr;	/* Your (client) IP address	*/
+	struct in_addr	bp_siaddr;	/* Server IP address		*/
+	struct in_addr	bp_giaddr;	/* Gateway IP address		*/
 	uchar		bp_chaddr[16];	/* Client hardware address	*/
 	char		bp_sname[64];	/* Server host name		*/
 	char		bp_file[128];	/* Boot file name		*/
diff --git a/net/dns.c b/net/dns.c
index dd45320150..6f8b1f2596 100644
--- a/net/dns.c
+++ b/net/dns.c
@@ -5,7 +5,7 @@
  * Copyright (c) 2009 Robin Getz <rgetz@blackfin.uclinux.org>
  *
  * This is a simple DNS implementation for U-Boot. It will use the first IP
- * in the DNS response as NetServerIP. This can then be used for any other
+ * in the DNS response as net_server_ip. This can then be used for any other
  * network related activities.
  *
  * The packet handling is partly based on TADNS, original copyrights
@@ -89,8 +89,8 @@ DnsSend(void)
 
 	DnsOurPort = random_port();
 
-	NetSendUDPPacket(NetServerEther, NetOurDNSIP, DNS_SERVICE_PORT,
-		DnsOurPort, n);
+	NetSendUDPPacket(NetServerEther, net_dns_server, DNS_SERVICE_PORT,
+			 DnsOurPort, n);
 	debug("DNS packet sent\n");
 }
 
@@ -101,15 +101,15 @@ DnsTimeout(void)
 	net_set_state(NETLOOP_FAIL);
 }
 
-static void
-DnsHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, unsigned len)
+static void dns_handler(uchar *pkt, unsigned dest, struct in_addr sip,
+			unsigned src, unsigned len)
 {
 	struct header *header;
 	const unsigned char *p, *e, *s;
 	u16 type, i;
 	int found, stop, dlen;
 	char IPStr[22];
-	IPaddr_t IPAddress;
+	struct in_addr ip_addr;
 
 
 	debug("%s\n", __func__);
@@ -180,10 +180,10 @@ DnsHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, unsigned len)
 
 		dlen = get_unaligned_be16(p+10);
 		p += 12;
-		memcpy(&IPAddress, p, 4);
+		memcpy(&ip_addr, p, 4);
 
 		if (p + dlen <= e) {
-			ip_to_string(IPAddress, IPStr);
+			ip_to_string(ip_addr, IPStr);
 			printf("%s\n", IPStr);
 			if (NetDNSenvvar)
 				setenv(NetDNSenvvar, IPStr);
@@ -200,7 +200,7 @@ DnsStart(void)
 	debug("%s\n", __func__);
 
 	NetSetTimeout(DNS_TIMEOUT, DnsTimeout);
-	net_set_udp_handler(DnsHandler);
+	net_set_udp_handler(dns_handler);
 
 	/* Clear a previous MAC address, the server IP might have changed. */
 	memset(NetServerEther, 0, sizeof(NetServerEther));
diff --git a/net/eth.c b/net/eth.c
index 05411f1cec..c1d6b04f07 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -768,14 +768,14 @@ int eth_initialize(void)
  * mcast_addr: multicast ipaddr from which multicast Mac is made
  * join: 1=join, 0=leave.
  */
-int eth_mcast_join(IPaddr_t mcast_ip, int join)
+int eth_mcast_join(struct in_addr mcast_ip, int join)
 {
 	u8 mcast_mac[6];
 	if (!eth_current || !eth_current->mcast)
 		return -1;
-	mcast_mac[5] = htonl(mcast_ip) & 0xff;
-	mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
-	mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
+	mcast_mac[5] = htonl(mcast_ip.s_addr) & 0xff;
+	mcast_mac[4] = (htonl(mcast_ip.s_addr)>>8) & 0xff;
+	mcast_mac[3] = (htonl(mcast_ip.s_addr)>>16) & 0x7f;
 	mcast_mac[2] = 0x5e;
 	mcast_mac[1] = 0x0;
 	mcast_mac[0] = 0x1;
diff --git a/net/link_local.c b/net/link_local.c
index 4152fae5ba..6d92c555fb 100644
--- a/net/link_local.c
+++ b/net/link_local.c
@@ -49,7 +49,7 @@ static enum ll_state_t {
 	DISABLED
 } state = DISABLED;
 
-static IPaddr_t ip;
+static struct in_addr ip;
 static int timeout_ms = -1;
 static unsigned deadline_ms;
 static unsigned conflicts;
@@ -64,14 +64,16 @@ static void link_local_timeout(void);
  * Pick a random link local IP address on 169.254/16, except that
  * the first and last 256 addresses are reserved.
  */
-static IPaddr_t pick(void)
+static struct in_addr pick(void)
 {
 	unsigned tmp;
+	struct in_addr ip;
 
 	do {
 		tmp = rand_r(&seed) & IN_CLASSB_HOST;
 	} while (tmp > (IN_CLASSB_HOST - 0x0200));
-	return (IPaddr_t) htonl((LINKLOCAL_ADDR + 0x0100) + tmp);
+	ip.s_addr = htonl((LINKLOCAL_ADDR + 0x0100) + tmp);
+	return ip;
 }
 
 /**
@@ -102,16 +104,17 @@ static void configure_wait(void)
 
 void link_local_start(void)
 {
-	ip = getenv_IPaddr("llipaddr");
-	if (ip != 0 && (ntohl(ip) & IN_CLASSB_NET) != LINKLOCAL_ADDR) {
+	ip = getenv_ip("llipaddr");
+	if (ip.s_addr != 0 &&
+	    (ntohl(ip.s_addr) & IN_CLASSB_NET) != LINKLOCAL_ADDR) {
 		puts("invalid link address");
 		net_set_state(NETLOOP_FAIL);
 		return;
 	}
-	NetOurSubnetMask = IN_CLASSB_NET;
+	net_netmask.s_addr = IN_CLASSB_NET;
 
 	seed = seed_mac();
-	if (ip == 0)
+	if (ip.s_addr == 0)
 		ip = pick();
 
 	state = PROBE;
@@ -131,10 +134,12 @@ static void link_local_timeout(void)
 		/* timeouts in the PROBE state mean no conflicting ARP packets
 		   have been received, so we can progress through the states */
 		if (nprobes < PROBE_NUM) {
+			struct in_addr zero_ip = {.s_addr = 0};
+
 			nprobes++;
 			debug_cond(DEBUG_LL_STATE, "probe/%u %s@%pI4\n",
 					nprobes, eth_get_name(), &ip);
-			arp_raw_request(0, NetEtherNullAddr, ip);
+			arp_raw_request(zero_ip, NetEtherNullAddr, ip);
 			timeout_ms = PROBE_MIN * 1000;
 			timeout_ms += random_delay_ms(PROBE_MAX - PROBE_MIN);
 		} else {
@@ -172,7 +177,7 @@ static void link_local_timeout(void)
 			/* Switch to monitor state */
 			state = MONITOR;
 			printf("Successfully assigned %pI4\n", &ip);
-			NetCopyIP(&NetOurIP, &ip);
+			net_copy_ip(&net_ip, &ip);
 			ready = 1;
 			conflicts = 0;
 			timeout_ms = -1;
@@ -206,7 +211,7 @@ void link_local_receive_arp(struct arp_hdr *arp, int len)
 {
 	int source_ip_conflict;
 	int target_ip_conflict;
-	IPaddr_t null_ip = 0;
+	struct in_addr null_ip = {.s_addr = 0};
 
 	if (state == DISABLED)
 		return;
@@ -322,7 +327,7 @@ void link_local_receive_arp(struct arp_hdr *arp, int len)
 			state = PROBE;
 			debug("defend conflict -- starting over\n");
 			ready = 0;
-			NetOurIP = 0;
+			net_ip.s_addr = 0;
 
 			/* restart the whole protocol */
 			ip = pick();
diff --git a/net/net.c b/net/net.c
index 69f38f7483..b1b822d27a 100644
--- a/net/net.c
+++ b/net/net.c
@@ -112,14 +112,14 @@ DECLARE_GLOBAL_DATA_PTR;
 /** BOOTP EXTENTIONS **/
 
 /* Our subnet mask (0=unknown) */
-IPaddr_t	NetOurSubnetMask;
+struct in_addr net_netmask;
 /* Our gateways IP address */
-IPaddr_t	NetOurGatewayIP;
+struct in_addr net_gateway;
 /* Our DNS IP address */
-IPaddr_t	NetOurDNSIP;
+struct in_addr net_dns_server;
 #if defined(CONFIG_BOOTP_DNS2)
 /* Our 2nd DNS IP address */
-IPaddr_t	NetOurDNS2IP;
+struct in_addr net_dns_server2;
 #endif
 /* Our NIS domain */
 char		NetOurNISDomain[32] = {0,};
@@ -131,7 +131,7 @@ char		NetOurRootPath[64] = {0,};
 ushort		NetBootFileSize;
 
 #ifdef CONFIG_MCAST_TFTP	/* Multicast TFTP */
-IPaddr_t Mcast_addr;
+struct in_addr net_mcast_addr;
 #endif
 
 /** END OF BOOTP EXTENTIONS **/
@@ -143,9 +143,9 @@ uchar		NetOurEther[6];
 /* Boot server enet address */
 uchar		NetServerEther[6];
 /* Our IP addr (0 = unknown) */
-IPaddr_t	NetOurIP;
+struct in_addr	net_ip;
 /* Server IP addr (0 = unknown) */
-IPaddr_t	NetServerIP;
+struct in_addr	net_server_ip;
 /* Current receive packet */
 uchar *NetRxPacket;
 /* Current rx packet length */
@@ -178,7 +178,7 @@ char		BootFile[128];
 
 #if defined(CONFIG_CMD_SNTP)
 /* NTP server IP address */
-IPaddr_t	NetNtpServerIP;
+struct in_addr	net_ntp_server;
 /* offset time from UTC */
 int		NetTimeOffset;
 #endif
@@ -267,14 +267,14 @@ static void NetInitLoop(void)
 
 	/* update only when the environment has changed */
 	if (env_changed_id != env_id) {
-		NetOurIP = getenv_IPaddr("ipaddr");
-		NetOurGatewayIP = getenv_IPaddr("gatewayip");
-		NetOurSubnetMask = getenv_IPaddr("netmask");
-		NetServerIP = getenv_IPaddr("serverip");
+		net_ip = getenv_ip("ipaddr");
+		net_gateway = getenv_ip("gatewayip");
+		net_netmask = getenv_ip("netmask");
+		net_server_ip = getenv_ip("serverip");
 		NetOurNativeVLAN = getenv_VLAN("nvlan");
 		NetOurVLAN = getenv_VLAN("vlan");
 #if defined(CONFIG_CMD_DNS)
-		NetOurDNSIP = getenv_IPaddr("dnsip");
+		net_dns_server = getenv_ip("dnsip");
 #endif
 		env_changed_id = env_id;
 	}
@@ -397,21 +397,21 @@ restart:
 #if defined(CONFIG_CMD_DHCP)
 		case DHCP:
 			BootpReset();
-			NetOurIP = 0;
+			net_ip.s_addr = 0;
 			DhcpRequest();		/* Basically same as BOOTP */
 			break;
 #endif
 
 		case BOOTP:
 			BootpReset();
-			NetOurIP = 0;
+			net_ip.s_addr = 0;
 			BootpRequest();
 			break;
 
 #if defined(CONFIG_CMD_RARP)
 		case RARP:
 			RarpTry = 0;
-			NetOurIP = 0;
+			net_ip.s_addr = 0;
 			RarpRequest();
 			break;
 #endif
@@ -496,7 +496,7 @@ restart:
 		 */
 		if (ctrlc()) {
 			/* cancel any ARP that may not have completed */
-			NetArpWaitPacketIP = 0;
+			net_arp_wait_packet_ip.s_addr = 0;
 
 			net_cleanup_loop();
 			eth_halt();
@@ -660,7 +660,7 @@ int NetStartAgain(void)
  */
 
 static void dummy_handler(uchar *pkt, unsigned dport,
-			IPaddr_t sip, unsigned sport,
+			struct in_addr sip, unsigned sport,
 			unsigned len)
 {
 }
@@ -716,7 +716,7 @@ NetSetTimeout(ulong iv, thand_f *f)
 	}
 }
 
-int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport,
+int NetSendUDPPacket(uchar *ether, struct in_addr dest, int dport, int sport,
 		int payload_len)
 {
 	uchar *pkt;
@@ -729,11 +729,11 @@ int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport,
 		return -1;
 
 	/* convert to new style broadcast */
-	if (dest == 0)
-		dest = 0xFFFFFFFF;
+	if (dest.s_addr == 0)
+		dest.s_addr = 0xFFFFFFFF;
 
 	/* if broadcast, make the ether address a broadcast and don't do ARP */
-	if (dest == 0xFFFFFFFF)
+	if (dest.s_addr == 0xFFFFFFFF)
 		ether = NetBcastAddr;
 
 	pkt = (uchar *)NetTxPacket;
@@ -748,7 +748,7 @@ int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport,
 		debug_cond(DEBUG_DEV_PKT, "sending ARP for %pI4\n", &dest);
 
 		/* save the ip and eth addr for the packet to send after arp */
-		NetArpWaitPacketIP = dest;
+		net_arp_wait_packet_ip = dest;
 		NetArpWaitPacketMAC = ether;
 
 		/* size of the waiting packet */
@@ -946,7 +946,7 @@ static inline struct ip_udp_hdr *NetDefragment(struct ip_udp_hdr *ip, int *lenp)
  * @parma ip	IP packet containing the ICMP
  */
 static void receive_icmp(struct ip_udp_hdr *ip, int len,
-			IPaddr_t src_ip, struct ethernet_hdr *et)
+			struct in_addr src_ip, struct ethernet_hdr *et)
 {
 	struct icmp_hdr *icmph = (struct icmp_hdr *)&ip->udp_src;
 
@@ -975,8 +975,8 @@ void net_process_received_packet(uchar *in_packet, int len)
 {
 	struct ethernet_hdr *et;
 	struct ip_udp_hdr *ip;
-	IPaddr_t dst_ip;
-	IPaddr_t src_ip;
+	struct in_addr dst_ip;
+	struct in_addr src_ip;
 	int eth_proto;
 #if defined(CONFIG_CMD_CDP)
 	int iscdp;
@@ -1112,15 +1112,16 @@ void net_process_received_packet(uchar *in_packet, int len)
 			return;
 		}
 		/* If it is not for us, ignore it */
-		dst_ip = NetReadIP(&ip->ip_dst);
-		if (NetOurIP && dst_ip != NetOurIP && dst_ip != 0xFFFFFFFF) {
+		dst_ip = net_read_ip(&ip->ip_dst);
+		if (net_ip.s_addr && dst_ip.s_addr != net_ip.s_addr &&
+		    dst_ip.s_addr != 0xFFFFFFFF) {
 #ifdef CONFIG_MCAST_TFTP
-			if (Mcast_addr != dst_ip)
+			if (net_mcast_addr != dst_ip)
 #endif
 				return;
 		}
 		/* Read source IP address for later use */
-		src_ip = NetReadIP(&ip->ip_src);
+		src_ip = net_read_ip(&ip->ip_src);
 		/*
 		 * The function returns the unchanged packet if it's not
 		 * a fragment, and either the complete packet or NULL if
@@ -1169,10 +1170,10 @@ void net_process_received_packet(uchar *in_packet, int len)
 
 			xsum  = ip->ip_p;
 			xsum += (ntohs(ip->udp_len));
-			xsum += (ntohl(ip->ip_src) >> 16) & 0x0000ffff;
-			xsum += (ntohl(ip->ip_src) >>  0) & 0x0000ffff;
-			xsum += (ntohl(ip->ip_dst) >> 16) & 0x0000ffff;
-			xsum += (ntohl(ip->ip_dst) >>  0) & 0x0000ffff;
+			xsum += (ntohl(ip->ip_src.s_addr) >> 16) & 0x0000ffff;
+			xsum += (ntohl(ip->ip_src.s_addr) >>  0) & 0x0000ffff;
+			xsum += (ntohl(ip->ip_dst.s_addr) >> 16) & 0x0000ffff;
+			xsum += (ntohl(ip->ip_dst.s_addr) >>  0) & 0x0000ffff;
 
 			sumlen = ntohs(ip->udp_len);
 			sumptr = (ushort *) &(ip->udp_src);
@@ -1232,7 +1233,7 @@ static int net_check_prereq(enum proto_t protocol)
 		/* Fall through */
 #if defined(CONFIG_CMD_PING)
 	case PING:
-		if (NetPingIP == 0) {
+		if (net_ping_ip.s_addr == 0) {
 			puts("*** ERROR: ping address not given\n");
 			return 1;
 		}
@@ -1240,7 +1241,7 @@ static int net_check_prereq(enum proto_t protocol)
 #endif
 #if defined(CONFIG_CMD_SNTP)
 	case SNTP:
-		if (NetNtpServerIP == 0) {
+		if (net_ntp_server.s_addr == 0) {
 			puts("*** ERROR: NTP server address not given\n");
 			return 1;
 		}
@@ -1248,7 +1249,7 @@ static int net_check_prereq(enum proto_t protocol)
 #endif
 #if defined(CONFIG_CMD_DNS)
 	case DNS:
-		if (NetOurDNSIP == 0) {
+		if (net_dns_server.s_addr == 0) {
 			puts("*** ERROR: DNS server address not given\n");
 			return 1;
 		}
@@ -1259,7 +1260,7 @@ static int net_check_prereq(enum proto_t protocol)
 #endif
 	case TFTPGET:
 	case TFTPPUT:
-		if (NetServerIP == 0) {
+		if (net_server_ip.s_addr == 0) {
 			puts("*** ERROR: `serverip' not set\n");
 			return 1;
 		}
@@ -1271,7 +1272,7 @@ common:
 
 	case NETCONS:
 	case TFTPSRV:
-		if (NetOurIP == 0) {
+		if (net_ip.s_addr == 0) {
 			puts("*** ERROR: `ipaddr' not set\n");
 			return 1;
 		}
@@ -1373,7 +1374,7 @@ int net_update_ether(struct ethernet_hdr *et, uchar *addr, uint prot)
 	}
 }
 
-void net_set_ip_header(uchar *pkt, IPaddr_t dest, IPaddr_t source)
+void net_set_ip_header(uchar *pkt, struct in_addr dest, struct in_addr source)
 {
 	struct ip_udp_hdr *ip = (struct ip_udp_hdr *)pkt;
 
@@ -1389,12 +1390,12 @@ void net_set_ip_header(uchar *pkt, IPaddr_t dest, IPaddr_t source)
 	ip->ip_ttl   = 255;
 	ip->ip_sum   = 0;
 	/* already in network byte order */
-	NetCopyIP((void *)&ip->ip_src, &source);
+	net_copy_ip((void *)&ip->ip_src, &source);
 	/* already in network byte order */
-	NetCopyIP((void *)&ip->ip_dst, &dest);
+	net_copy_ip((void *)&ip->ip_dst, &dest);
 }
 
-void net_set_udp_header(uchar *pkt, IPaddr_t dest, int dport, int sport,
+void net_set_udp_header(uchar *pkt, struct in_addr dest, int dport, int sport,
 			int len)
 {
 	struct ip_udp_hdr *ip = (struct ip_udp_hdr *)pkt;
@@ -1407,7 +1408,7 @@ void net_set_udp_header(uchar *pkt, IPaddr_t dest, int dport, int sport,
 	if (len & 1)
 		pkt[IP_UDP_HDR_SIZE + len] = 0;
 
-	net_set_ip_header(pkt, dest, NetOurIP);
+	net_set_ip_header(pkt, dest, net_ip);
 	ip->ip_len   = htons(IP_UDP_HDR_SIZE + len);
 	ip->ip_p     = IPPROTO_UDP;
 	ip->ip_sum   = compute_ip_checksum(ip, IP_HDR_SIZE);
@@ -1444,13 +1445,14 @@ unsigned int random_port(void)
 }
 #endif
 
-void ip_to_string(IPaddr_t x, char *s)
+void ip_to_string(struct in_addr x, char *s)
 {
-	x = ntohl(x);
+	x.s_addr = ntohl(x.s_addr);
 	sprintf(s, "%d.%d.%d.%d",
-		(int) ((x >> 24) & 0xff),
-		(int) ((x >> 16) & 0xff),
-		(int) ((x >> 8) & 0xff), (int) ((x >> 0) & 0xff)
+		(int) ((x.s_addr >> 24) & 0xff),
+		(int) ((x.s_addr >> 16) & 0xff),
+		(int) ((x.s_addr >> 8) & 0xff),
+		(int) ((x.s_addr >> 0) & 0xff)
 	);
 }
 
diff --git a/net/nfs.c b/net/nfs.c
index 8e05ae57cd..34e5051896 100644
--- a/net/nfs.c
+++ b/net/nfs.c
@@ -51,7 +51,7 @@ static char dirfh[NFS_FHSIZE];	/* file handle of directory */
 static char filefh[NFS_FHSIZE]; /* file handle of kernel image */
 
 static enum net_loop_state nfs_download_state;
-static IPaddr_t NfsServerIP;
+static struct in_addr nfs_server_ip;
 static int	NfsSrvMountPort;
 static int	NfsSrvNfsPort;
 static int	NfsOurPort;
@@ -211,8 +211,8 @@ rpc_req(int rpc_prog, int rpc_proc, uint32_t *data, int datalen)
 	else
 		sport = NfsSrvNfsPort;
 
-	NetSendUDPPacket(NetServerEther, NfsServerIP, sport, NfsOurPort,
-		pktlen);
+	NetSendUDPPacket(NetServerEther, nfs_server_ip, sport, NfsOurPort,
+			 pktlen);
 }
 
 /**************************************************************************
@@ -600,8 +600,8 @@ NfsTimeout(void)
 	}
 }
 
-static void
-NfsHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, unsigned len)
+static void nfs_handler(uchar *pkt, unsigned dest, struct in_addr sip,
+			unsigned src, unsigned len)
 {
 	int rlen;
 	int reply;
@@ -715,7 +715,7 @@ NfsStart(void)
 	debug("%s\n", __func__);
 	nfs_download_state = NETLOOP_FAIL;
 
-	NfsServerIP = NetServerIP;
+	nfs_server_ip = net_server_ip;
 	nfs_path = (char *)nfs_path_buff;
 
 	if (nfs_path == NULL) {
@@ -726,10 +726,10 @@ NfsStart(void)
 
 	if (BootFile[0] == '\0') {
 		sprintf(default_filename, "/nfsroot/%02X%02X%02X%02X.img",
-			NetOurIP & 0xFF,
-			(NetOurIP >>  8) & 0xFF,
-			(NetOurIP >> 16) & 0xFF,
-			(NetOurIP >> 24) & 0xFF);
+			net_ip.s_addr & 0xFF,
+			(net_ip.s_addr >>  8) & 0xFF,
+			(net_ip.s_addr >> 16) & 0xFF,
+			(net_ip.s_addr >> 24) & 0xFF);
 		strcpy(nfs_path, default_filename);
 
 		printf("*** Warning: no boot file name; using '%s'\n",
@@ -740,7 +740,7 @@ NfsStart(void)
 		p = strchr(p, ':');
 
 		if (p != NULL) {
-			NfsServerIP = string_to_ip(BootFile);
+			nfs_server_ip = string_to_ip(BootFile);
 			++p;
 			strcpy(nfs_path, p);
 		} else {
@@ -753,17 +753,19 @@ NfsStart(void)
 
 	printf("Using %s device\n", eth_get_name());
 
-	printf("File transfer via NFS from server %pI4"
-		"; our IP address is %pI4", &NfsServerIP, &NetOurIP);
+	printf("File transfer via NFS from server %pI4; our IP address is %pI4",
+	       &nfs_server_ip, &net_ip);
 
 	/* Check if we need to send across this subnet */
-	if (NetOurGatewayIP && NetOurSubnetMask) {
-		IPaddr_t OurNet	    = NetOurIP	  & NetOurSubnetMask;
-		IPaddr_t ServerNet  = NetServerIP & NetOurSubnetMask;
+	if (net_gateway.s_addr && net_netmask.s_addr) {
+		struct in_addr our_net;
+		struct in_addr server_net;
 
-		if (OurNet != ServerNet)
+		our_net.s_addr = net_ip.s_addr & net_netmask.s_addr;
+		server_net.s_addr = net_server_ip.s_addr & net_netmask.s_addr;
+		if (our_net.s_addr != server_net.s_addr)
 			printf("; sending through gateway %pI4",
-				&NetOurGatewayIP);
+				&net_gateway);
 	}
 	printf("\nFilename '%s/%s'.", nfs_path, nfs_filename);
 
@@ -775,7 +777,7 @@ NfsStart(void)
 		"Loading: *\b", load_addr);
 
 	NetSetTimeout(nfs_timeout, NfsTimeout);
-	net_set_udp_handler(NfsHandler);
+	net_set_udp_handler(nfs_handler);
 
 	NfsTimeoutCount = 0;
 	NfsState = STATE_PRCLOOKUP_PROG_MOUNT_REQ;
diff --git a/net/ping.c b/net/ping.c
index 366f51825f..4918a1cb36 100644
--- a/net/ping.c
+++ b/net/ping.c
@@ -15,9 +15,9 @@
 static ushort PingSeqNo;
 
 /* The ip address to ping */
-IPaddr_t NetPingIP;
+struct in_addr net_ping_ip;
 
-static void set_icmp_header(uchar *pkt, IPaddr_t dest)
+static void set_icmp_header(uchar *pkt, struct in_addr dest)
 {
 	/*
 	 *	Construct an IP and ICMP header.
@@ -25,7 +25,7 @@ static void set_icmp_header(uchar *pkt, IPaddr_t dest)
 	struct ip_hdr *ip = (struct ip_hdr *)pkt;
 	struct icmp_hdr *icmp = (struct icmp_hdr *)(pkt + IP_HDR_SIZE);
 
-	net_set_ip_header(pkt, dest, NetOurIP);
+	net_set_ip_header(pkt, dest, net_ip);
 
 	ip->ip_len   = htons(IP_ICMP_HDR_SIZE);
 	ip->ip_p     = IPPROTO_ICMP;
@@ -46,14 +46,14 @@ static int ping_send(void)
 
 	/* XXX always send arp request */
 
-	debug_cond(DEBUG_DEV_PKT, "sending ARP for %pI4\n", &NetPingIP);
+	debug_cond(DEBUG_DEV_PKT, "sending ARP for %pI4\n", &net_ping_ip);
 
-	NetArpWaitPacketIP = NetPingIP;
+	net_arp_wait_packet_ip = net_ping_ip;
 
 	eth_hdr_size = NetSetEther(NetTxPacket, NetEtherNullAddr, PROT_IP);
 	pkt = (uchar *)NetTxPacket + eth_hdr_size;
 
-	set_icmp_header(pkt, NetPingIP);
+	set_icmp_header(pkt, net_ping_ip);
 
 	/* size of the waiting packet */
 	NetArpWaitTxPacketSize = eth_hdr_size + IP_ICMP_HDR_SIZE;
@@ -82,13 +82,13 @@ void ping_start(void)
 void ping_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
 {
 	struct icmp_hdr *icmph = (struct icmp_hdr *)&ip->udp_src;
-	IPaddr_t src_ip;
+	struct in_addr src_ip;
 	int eth_hdr_size;
 
 	switch (icmph->type) {
 	case ICMP_ECHO_REPLY:
-		src_ip = NetReadIP((void *)&ip->ip_src);
-		if (src_ip == NetPingIP)
+		src_ip = net_read_ip((void *)&ip->ip_src);
+		if (src_ip.s_addr == net_ping_ip.s_addr)
 			net_set_state(NETLOOP_SUCCESS);
 		return;
 	case ICMP_ECHO_REQUEST:
@@ -99,8 +99,8 @@ void ping_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
 
 		ip->ip_sum = 0;
 		ip->ip_off = 0;
-		NetCopyIP((void *)&ip->ip_dst, &ip->ip_src);
-		NetCopyIP((void *)&ip->ip_src, &NetOurIP);
+		net_copy_ip((void *)&ip->ip_dst, &ip->ip_src);
+		net_copy_ip((void *)&ip->ip_src, &net_ip);
 		ip->ip_sum = compute_ip_checksum(ip, IP_HDR_SIZE);
 
 		icmph->type = ICMP_ECHO_REPLY;
diff --git a/net/rarp.c b/net/rarp.c
index a8e085126d..3e1c74cdcc 100644
--- a/net/rarp.c
+++ b/net/rarp.c
@@ -43,9 +43,9 @@ void rarp_receive(struct ip_udp_hdr *ip, unsigned len)
 
 		puts("invalid RARP header\n");
 	} else {
-		NetCopyIP(&NetOurIP, &arp->ar_data[16]);
-		if (NetServerIP == 0)
-			NetCopyIP(&NetServerIP, &arp->ar_data[6]);
+		net_copy_ip(&net_ip, &arp->ar_data[16]);
+		if (net_server_ip.s_addr == 0)
+			net_copy_ip(&net_server_ip, &arp->ar_data[6]);
 		memcpy(NetServerEther, &arp->ar_data[0], 6);
 		debug_cond(DEBUG_DEV_PKT, "Got good RARP\n");
 		net_auto_load();
@@ -88,7 +88,7 @@ void RarpRequest(void)
 	rarp->ar_pln = 4;
 	rarp->ar_op  = htons(RARPOP_REQUEST);
 	memcpy(&rarp->ar_data[0],  NetOurEther, 6);	/* source ET addr */
-	memcpy(&rarp->ar_data[6],  &NetOurIP,   4);	/* source IP addr */
+	memcpy(&rarp->ar_data[6],  &net_ip,   4);	/* source IP addr */
 	/* dest ET addr = source ET addr ??*/
 	memcpy(&rarp->ar_data[10], NetOurEther, 6);
 	/* dest IP addr set to broadcast */
diff --git a/net/sntp.c b/net/sntp.c
index 5de19526e6..3e45a8342a 100644
--- a/net/sntp.c
+++ b/net/sntp.c
@@ -37,8 +37,8 @@ SntpSend(void)
 	SntpOurPort = 10000 + (get_timer(0) % 4096);
 	sport = NTP_SERVICE_PORT;
 
-	NetSendUDPPacket(NetServerEther, NetNtpServerIP, sport, SntpOurPort,
-		pktlen);
+	NetSendUDPPacket(NetServerEther, net_ntp_server, sport, SntpOurPort,
+			 pktlen);
 }
 
 static void
@@ -49,9 +49,8 @@ SntpTimeout(void)
 	return;
 }
 
-static void
-SntpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
-	    unsigned len)
+static void sntp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
+			 unsigned src, unsigned len)
 {
 	struct sntp_pkt_t *rpktp = (struct sntp_pkt_t *)pkt;
 	struct rtc_time tm;
@@ -85,7 +84,7 @@ SntpStart(void)
 	debug("%s\n", __func__);
 
 	NetSetTimeout(SNTP_TIMEOUT, SntpTimeout);
-	net_set_udp_handler(SntpHandler);
+	net_set_udp_handler(sntp_handler);
 	memset(NetServerEther, 0, sizeof(NetServerEther));
 
 	SntpSend();
diff --git a/net/tftp.c b/net/tftp.c
index 51c67be952..4c985faefb 100644
--- a/net/tftp.c
+++ b/net/tftp.c
@@ -65,7 +65,7 @@ enum {
 	TFTP_ERR_FILE_ALREADY_EXISTS = 6,
 };
 
-static IPaddr_t TftpRemoteIP;
+static struct in_addr tftp_remote_ip;
 /* The UDP port at their end */
 static int	TftpRemotePort;
 /* The UDP port at our end */
@@ -146,12 +146,14 @@ static void parse_multicast_oack(char *pkt, int len);
 static void
 mcast_cleanup(void)
 {
-	if (Mcast_addr)
-		eth_mcast_join(Mcast_addr, 0);
+	if (net_mcast_addr)
+		eth_mcast_join(net_mcast_addr, 0);
 	if (Bitmap)
 		free(Bitmap);
 	Bitmap = NULL;
-	Mcast_addr = Multicast = Mcast_port = 0;
+	net_mcast_addr.s_addr = 0;
+	Multicast = 0;
+	Mcast_port = 0;
 	TftpEndingBlock = -1;
 }
 
@@ -433,13 +435,14 @@ TftpSend(void)
 		break;
 	}
 
-	NetSendUDPPacket(NetServerEther, TftpRemoteIP, TftpRemotePort,
+	NetSendUDPPacket(NetServerEther, tftp_remote_ip, TftpRemotePort,
 			 TftpOurPort, len);
 }
 
 #ifdef CONFIG_CMD_TFTPPUT
 static void icmp_handler(unsigned type, unsigned code, unsigned dest,
-			 IPaddr_t sip, unsigned src, uchar *pkt, unsigned len)
+			 struct in_addr sip, unsigned src, uchar *pkt,
+			 unsigned len)
 {
 	if (type == ICMP_NOT_REACH && code == ICMP_NOT_REACH_PORT) {
 		/* Oh dear the other end has gone away */
@@ -448,9 +451,8 @@ static void icmp_handler(unsigned type, unsigned code, unsigned dest,
 }
 #endif
 
-static void
-TftpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
-	    unsigned len)
+static void tftp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
+			 unsigned src, unsigned len)
 {
 	__be16 proto;
 	__be16 *s;
@@ -507,7 +509,7 @@ TftpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
 #ifdef CONFIG_CMD_TFTPSRV
 	case TFTP_WRQ:
 		debug("Got WRQ\n");
-		TftpRemoteIP = sip;
+		tftp_remote_ip = sip;
 		TftpRemotePort = src;
 		TftpOurPort = 1024 + (get_timer(0) % 3072);
 		new_transfer();
@@ -717,13 +719,13 @@ void TftpStart(enum proto_t protocol)
 	debug("TFTP blocksize = %i, timeout = %ld ms\n",
 		TftpBlkSizeOption, TftpTimeoutMSecs);
 
-	TftpRemoteIP = NetServerIP;
+	tftp_remote_ip = net_server_ip;
 	if (BootFile[0] == '\0') {
 		sprintf(default_filename, "%02X%02X%02X%02X.img",
-			NetOurIP & 0xFF,
-			(NetOurIP >>  8) & 0xFF,
-			(NetOurIP >> 16) & 0xFF,
-			(NetOurIP >> 24) & 0xFF);
+			net_ip.s_addr & 0xFF,
+			(net_ip.s_addr >>  8) & 0xFF,
+			(net_ip.s_addr >> 16) & 0xFF,
+			(net_ip.s_addr >> 24) & 0xFF);
 
 		strncpy(tftp_filename, default_filename, MAX_LEN);
 		tftp_filename[MAX_LEN-1] = 0;
@@ -737,7 +739,7 @@ void TftpStart(enum proto_t protocol)
 			strncpy(tftp_filename, BootFile, MAX_LEN);
 			tftp_filename[MAX_LEN-1] = 0;
 		} else {
-			TftpRemoteIP = string_to_ip(BootFile);
+			tftp_remote_ip = string_to_ip(BootFile);
 			strncpy(tftp_filename, p + 1, MAX_LEN);
 			tftp_filename[MAX_LEN-1] = 0;
 		}
@@ -750,16 +752,17 @@ void TftpStart(enum proto_t protocol)
 #else
 		"from",
 #endif
-		&TftpRemoteIP, &NetOurIP);
+		&tftp_remote_ip, &net_ip);
 
 	/* Check if we need to send across this subnet */
-	if (NetOurGatewayIP && NetOurSubnetMask) {
-		IPaddr_t OurNet	= NetOurIP    & NetOurSubnetMask;
-		IPaddr_t RemoteNet	= TftpRemoteIP & NetOurSubnetMask;
+	if (net_gateway.s_addr && net_netmask.s_addr) {
+		struct in_addr our_net;
+		struct in_addr remote_net;
 
-		if (OurNet != RemoteNet)
-			printf("; sending through gateway %pI4",
-			       &NetOurGatewayIP);
+		our_net.s_addr = net_ip.s_addr & net_netmask.s_addr;
+		remote_net.s_addr = tftp_remote_ip.s_addr & net_netmask.s_addr;
+		if (our_net.s_addr != remote_net.s_addr)
+			printf("; sending through gateway %pI4", &net_gateway);
 	}
 	putc('\n');
 
@@ -792,7 +795,7 @@ void TftpStart(enum proto_t protocol)
 	TftpTimeoutCountMax = TftpRRQTimeoutCountMax;
 
 	NetSetTimeout(TftpTimeoutMSecs, TftpTimeout);
-	net_set_udp_handler(TftpHandler);
+	net_set_udp_handler(tftp_handler);
 #ifdef CONFIG_CMD_TFTPPUT
 	net_set_icmp_handler(icmp_handler);
 #endif
@@ -833,7 +836,7 @@ TftpStartServer(void)
 	tftp_filename[0] = 0;
 
 	printf("Using %s device\n", eth_get_name());
-	printf("Listening for TFTP transfer on %pI4\n", &NetOurIP);
+	printf("Listening for TFTP transfer on %pI4\n", &net_ip);
 	printf("Load address: 0x%lx\n", load_addr);
 
 	puts("Loading: *\b");
@@ -854,7 +857,7 @@ TftpStartServer(void)
 #endif
 
 	TftpState = STATE_RECV_WRQ;
-	net_set_udp_handler(TftpHandler);
+	net_set_udp_handler(tftp_handler);
 
 	/* zero out server ether in case the server ip has changed */
 	memset(NetServerEther, 0, 6);
@@ -880,7 +883,7 @@ TftpStartServer(void)
 static void parse_multicast_oack(char *pkt, int len)
 {
 	int i;
-	IPaddr_t addr;
+	struct in_addr addr;
 	char *mc_adr, *port,  *mc;
 
 	mc_adr = port = mc = NULL;
@@ -935,11 +938,11 @@ static void parse_multicast_oack(char *pkt, int len)
 		Multicast = 1;
 	}
 	addr = string_to_ip(mc_adr);
-	if (Mcast_addr != addr) {
-		if (Mcast_addr)
-			eth_mcast_join(Mcast_addr, 0);
-		Mcast_addr = addr;
-		if (eth_mcast_join(Mcast_addr, 1)) {
+	if (net_mcast_addr.s_addr != addr.s_addr) {
+		if (net_mcast_addr.s_addr)
+			eth_mcast_join(net_mcast_addr, 0);
+		net_mcast_addr = addr;
+		if (eth_mcast_join(net_mcast_addr, 1)) {
 			printf("Fail to set mcast, revert to TFTP\n");
 			ProhibitMcast = 1;
 			mcast_cleanup();
diff --git a/test/dm/eth.c b/test/dm/eth.c
index 19236705e2..22fd26e504 100644
--- a/test/dm/eth.c
+++ b/test/dm/eth.c
@@ -20,7 +20,7 @@ DECLARE_GLOBAL_DATA_PTR;
 
 static int dm_test_eth(struct dm_test_state *dms)
 {
-	NetPingIP = string_to_ip("1.1.2.2");
+	net_ping_ip = string_to_ip("1.1.2.2");
 
 	setenv("ethact", "eth@10002000");
 	ut_assertok(NetLoop(PING));
@@ -40,7 +40,7 @@ DM_TEST(dm_test_eth, DM_TESTF_SCAN_FDT);
 
 static int dm_test_eth_alias(struct dm_test_state *dms)
 {
-	NetPingIP = string_to_ip("1.1.2.2");
+	net_ping_ip = string_to_ip("1.1.2.2");
 	setenv("ethact", "eth0");
 	ut_assertok(NetLoop(PING));
 	ut_asserteq_str("eth@10002000", getenv("ethact"));
@@ -64,7 +64,7 @@ DM_TEST(dm_test_eth_alias, DM_TESTF_SCAN_FDT);
 
 static int dm_test_eth_prime(struct dm_test_state *dms)
 {
-	NetPingIP = string_to_ip("1.1.2.2");
+	net_ping_ip = string_to_ip("1.1.2.2");
 
 	/* Expected to be "eth@10003000" because of ethprime variable */
 	setenv("ethact", NULL);
@@ -87,7 +87,7 @@ static int dm_test_eth_rotate(struct dm_test_state *dms)
 	char ethaddr[18];
 
 	/* Invalidate eth1's MAC address */
-	NetPingIP = string_to_ip("1.1.2.2");
+	net_ping_ip = string_to_ip("1.1.2.2");
 	strcpy(ethaddr, getenv("eth1addr"));
 	setenv("eth1addr", NULL);
 
@@ -126,7 +126,7 @@ DM_TEST(dm_test_eth_rotate, DM_TESTF_SCAN_FDT);
 
 static int dm_test_net_retry(struct dm_test_state *dms)
 {
-	NetPingIP = string_to_ip("1.1.2.2");
+	net_ping_ip = string_to_ip("1.1.2.2");
 
 	/*
 	 * eth1 is disabled and netretry is yes, so the ping should succeed and