diff --git a/net/net.c b/net/net.c
index 787c10a..00217be 100644
--- a/net/net.c
+++ b/net/net.c
@@ -40,10 +40,10 @@
  *
  * DHCP:
  *
- *     Prerequisites:   - own ethernet address
- *     We want:         - IP, Netmask, ServerIP, Gateway IP
- *                      - bootfilename, lease time
- *     Next step:       - TFTP
+ *     Prerequisites:	- own ethernet address
+ *     We want:		- IP, Netmask, ServerIP, Gateway IP
+ *			- bootfilename, lease time
+ *     Next step:	- TFTP
  *
  * TFTP:
  *
@@ -67,7 +67,7 @@
  *
  * SNTP:
  *
- *	Prerequisites:  - own ethernet address
+ *	Prerequisites:	- own ethernet address
  *			- own IP address
  *	We want:	- network time
  *	Next step:	none
@@ -185,7 +185,7 @@
 IPaddr_t	NetArpWaitPacketIP;
 IPaddr_t	NetArpWaitReplyIP;
 uchar	       *NetArpWaitPacketMAC;	/* MAC address of waiting packet's destination	*/
-uchar          *NetArpWaitTxPacket;	/* THE transmit packet			*/
+uchar	       *NetArpWaitTxPacket;	/* THE transmit packet			*/
 int		NetArpWaitTxPacketSize;
 uchar 		NetArpWaitPacketBuf[PKTSIZE_ALIGN + PKTALIGN];
 ulong		NetArpWaitTimerStart;
@@ -212,8 +212,8 @@
 	arp->ar_pln = 4;
 	arp->ar_op = htons (ARPOP_REQUEST);
 
-	memcpy (&arp->ar_data[0], NetOurEther, 6);		/* source ET addr       */
-	NetWriteIP ((uchar *) & arp->ar_data[6], NetOurIP);	/* source IP addr       */
+	memcpy (&arp->ar_data[0], NetOurEther, 6);		/* source ET addr	*/
+	NetWriteIP ((uchar *) & arp->ar_data[6], NetOurIP);	/* source IP addr	*/
 	for (i = 10; i < 16; ++i) {
 		arp->ar_data[i] = 0;				/* dest ET addr = 0     */
 	}
@@ -372,11 +372,11 @@
 		 */
 		NetOurIP = 0;
 		NetServerIP = getenv_IPaddr ("serverip");
- 		NetOurVLAN = getenv_VLAN("vlan");	/* VLANs must be read */
- 		NetOurNativeVLAN = getenv_VLAN("nvlan");
- 	case CDP:
- 		NetOurVLAN = getenv_VLAN("vlan");	/* VLANs must be read */
- 		NetOurNativeVLAN = getenv_VLAN("nvlan");
+		NetOurVLAN = getenv_VLAN("vlan");	/* VLANs must be read */
+		NetOurNativeVLAN = getenv_VLAN("nvlan");
+	case CDP:
+		NetOurVLAN = getenv_VLAN("vlan");	/* VLANs must be read */
+		NetOurNativeVLAN = getenv_VLAN("nvlan");
 		break;
 	default:
 		break;
@@ -1429,7 +1429,7 @@
 
 #ifdef CONFIG_UDP_CHECKSUM
 		if (ip->udp_xsum != 0) {
-		        ulong   xsum;
+			ulong   xsum;
 			ushort *sumptr;
 			ushort  sumlen;
 
@@ -1444,24 +1444,24 @@
 			sumptr = (ushort *) &(ip->udp_src);
 
 			while (sumlen > 1) {
-			        ushort sumdata;
+				ushort sumdata;
 
 				sumdata = *sumptr++;
 				xsum += ntohs(sumdata);
 				sumlen -= 2;
 			}
 			if (sumlen > 0) {
-			        ushort sumdata;
+				ushort sumdata;
 
 				sumdata = *(unsigned char *) sumptr;
-                                sumdata = (sumdata << 8) & 0xff00;
+				sumdata = (sumdata << 8) & 0xff00;
 				xsum += sumdata;
 			}
 			while ((xsum >> 16) != 0) {
-			        xsum = (xsum & 0x0000ffff) + ((xsum >> 16) & 0x0000ffff);
+				xsum = (xsum & 0x0000ffff) + ((xsum >> 16) & 0x0000ffff);
 			}
 			if ((xsum != 0x00000000) && (xsum != 0x0000ffff)) {
-			        printf(" UDP wrong checksum %08x %08x\n", xsum, ntohs(ip->udp_xsum));
+				printf(" UDP wrong checksum %08x %08x\n", xsum, ntohs(ip->udp_xsum));
 				return;
 			}
 		}
@@ -1517,7 +1517,7 @@
 			return (1);
 		}
 #if (CONFIG_COMMANDS & (CFG_CMD_PING | CFG_CMD_SNTP))
-	      common:
+    common:
 #endif
 
 		if (NetOurIP == 0) {