net: cosmetic: Change IPaddr_t to struct in_addr

This patch is simply clean-up to make the IPv4 type that is used match
what Linux uses. It also attempts to move all variables that are IP
addresses use good naming instead of CamelCase. No functional change.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/net/nfs.c b/net/nfs.c
index 8e05ae5..34e5051 100644
--- a/net/nfs.c
+++ b/net/nfs.c
@@ -51,7 +51,7 @@
 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 @@
 	else
 		sport = NfsSrvNfsPort;
 
-	NetSendUDPPacket(NetServerEther, NfsServerIP, sport, NfsOurPort,
-		pktlen);
+	NetSendUDPPacket(NetServerEther, nfs_server_ip, sport, NfsOurPort,
+			 pktlen);
 }
 
 /**************************************************************************
@@ -600,8 +600,8 @@
 	}
 }
 
-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 @@
 	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 @@
 
 	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 @@
 		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 @@
 
 	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 @@
 		"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;