diff --git a/arch/arm/mach-davinci/misc.c b/arch/arm/mach-davinci/misc.c
index e18bdfc..e699d61 100644
--- a/arch/arm/mach-davinci/misc.c
+++ b/arch/arm/mach-davinci/misc.c
@@ -49,7 +49,7 @@
 		goto i2cerr;
 
 	/* Check that MAC address is valid. */
-	if (!is_valid_ether_addr(buf))
+	if (!is_valid_ethaddr(buf))
 		goto err;
 
 	return 1; /* Found */
diff --git a/arch/powerpc/cpu/mpc8260/ether_fcc.c b/arch/powerpc/cpu/mpc8260/ether_fcc.c
index f777ba1..240e7ae 100644
--- a/arch/powerpc/cpu/mpc8260/ether_fcc.c
+++ b/arch/powerpc/cpu/mpc8260/ether_fcc.c
@@ -637,7 +637,7 @@
 
 	puts ("FCC Ethernet External loopback test\n");
 
-	eth_getenv_enetaddr("ethaddr", NetOurEther);
+	eth_getenv_enetaddr("ethaddr", net_ethaddr);
 
 	/*
 	 * global initialisations for all FCC channels
@@ -721,7 +721,7 @@
 				BD_ENET_TX_LAST | BD_ENET_TX_TC;
 
 			memset ((void *)bp, patbytes[i], ELBT_BUFSZ);
-			NetSetEther (bp, NetBcastAddr, 0x8000);
+			NetSetEther(bp, net_bcast_ethaddr, 0x8000);
 		}
 		ecp->txbd[ELBT_NTXBD - 1].cbd_sc |= BD_ENET_TX_WRAP;
 
@@ -799,11 +799,9 @@
 		 * So, far we have only been given one Ethernet address. We use
 		 * the same address for all channels
 		 */
-#define ea NetOurEther
-		fpp->fen_paddrh = (ea[5] << 8) + ea[4];
-		fpp->fen_paddrm = (ea[3] << 8) + ea[2];
-		fpp->fen_paddrl = (ea[1] << 8) + ea[0];
-#undef ea
+		fpp->fen_paddrh = (net_ethaddr[5] << 8) + net_ethaddr[4];
+		fpp->fen_paddrm = (net_ethaddr[3] << 8) + net_ethaddr[2];
+		fpp->fen_paddrl = (net_ethaddr[1] << 8) + net_ethaddr[0];
 
 		fpp->fen_minflr = PKT_MINBUF_SIZE; /* min frame len register */
 		/*
@@ -1016,7 +1014,7 @@
 							&ecp->rxbufs[i][0];
 
 						ours = memcmp (ehp->et_src, \
-							NetOurEther, 6);
+							net_ethaddr, 6);
 
 						prot = swap16 (ehp->et_protlen);
 						tb = prot & 0x8000;
diff --git a/arch/powerpc/cpu/mpc8xx/fec.c b/arch/powerpc/cpu/mpc8xx/fec.c
index 22b8ec7..454e77a 100644
--- a/arch/powerpc/cpu/mpc8xx/fec.c
+++ b/arch/powerpc/cpu/mpc8xx/fec.c
@@ -252,9 +252,9 @@
 			length -= 4;
 
 #if defined(CONFIG_CMD_CDP)
-			if ((rx[0] & 1) != 0
-			    && memcmp ((uchar *) rx, NetBcastAddr, 6) != 0
-			    && !is_cdp_packet((uchar *)rx))
+			if ((rx[0] & 1) != 0 &&
+			    memcmp((uchar *)rx, net_bcast_ethaddr, 6) != 0 &&
+			    !is_cdp_packet((uchar *)rx))
 				rx = NULL;
 #endif
 			/*
diff --git a/board/BuR/common/common.c b/board/BuR/common/common.c
index ccaa9c6..13f23fd 100644
--- a/board/BuR/common/common.c
+++ b/board/BuR/common/common.c
@@ -216,7 +216,7 @@
 
 	node = fdt_path_offset((void *)dtbaddr, path);
 	mac = fdt_getprop((void *)dtbaddr, node, "mac-address", &len);
-	if (mac && is_valid_ether_addr((u8 *)mac))
+	if (mac && is_valid_ethaddr((u8 *)mac))
 		return mac;
 
 	return NULL;
@@ -595,7 +595,7 @@
 		#endif
 		if (!mac) {
 			printf("<ethaddr> not set. validating E-fuse MAC ... ");
-			if (is_valid_ether_addr((const u8 *)mac_addr))
+			if (is_valid_ethaddr((const u8 *)mac_addr))
 				mac = (const char *)mac_addr;
 		}
 
diff --git a/board/ait/cam_enc_4xx/cam_enc_4xx.c b/board/ait/cam_enc_4xx/cam_enc_4xx.c
index 290dc19..c5687ba 100644
--- a/board/ait/cam_enc_4xx/cam_enc_4xx.c
+++ b/board/ait/cam_enc_4xx/cam_enc_4xx.c
@@ -70,7 +70,7 @@
 	if (!s)
 		return -EINVAL;
 
-	if (!is_valid_ether_addr((const u8 *)s))
+	if (!is_valid_ethaddr((const u8 *)s))
 		return -EINVAL;
 
 	s = getenv("ipaddr");
diff --git a/board/alphaproject/ap_sh4a_4a/ap_sh4a_4a.c b/board/alphaproject/ap_sh4a_4a/ap_sh4a_4a.c
index b81a68d..e65befc 100644
--- a/board/alphaproject/ap_sh4a_4a/ap_sh4a_4a.c
+++ b/board/alphaproject/ap_sh4a_4a/ap_sh4a_4a.c
@@ -167,7 +167,7 @@
 	/* Read MAC address */
 	i2c_read(0x50, 0x0, 0, mac, 6);
 
-	if (is_valid_ether_addr(mac))
+	if (is_valid_ethaddr(mac))
 		eth_setenv_enetaddr("ethaddr", mac);
 
 	return 0;
diff --git a/board/bct-brettl2/bct-brettl2.c b/board/bct-brettl2/bct-brettl2.c
index 6be9b18..1f0dfb4 100644
--- a/board/bct-brettl2/bct-brettl2.c
+++ b/board/bct-brettl2/bct-brettl2.c
@@ -32,7 +32,7 @@
 static void board_init_enetaddr(uchar *mac_addr)
 {
 	puts("Warning: Generating 'random' MAC address\n");
-	eth_random_addr(mac_addr);
+	net_random_ethaddr(mac_addr);
 	eth_setenv_enetaddr("ethaddr", mac_addr);
 }
 
diff --git a/board/bf518f-ezbrd/bf518f-ezbrd.c b/board/bf518f-ezbrd/bf518f-ezbrd.c
index 3a94a57..8ecfbb2 100644
--- a/board/bf518f-ezbrd/bf518f-ezbrd.c
+++ b/board/bf518f-ezbrd/bf518f-ezbrd.c
@@ -39,7 +39,7 @@
 	if (USE_MAC_IN_FLASH) {
 		/* we cram the MAC in the last flash sector */
 		uchar *board_mac_addr = (uchar *)0x203F0096;
-		if (is_valid_ether_addr(board_mac_addr)) {
+		if (is_valid_ethaddr(board_mac_addr)) {
 			memcpy(mac_addr, board_mac_addr, 6);
 			valid_mac = true;
 		}
@@ -47,7 +47,7 @@
 
 	if (!valid_mac) {
 		puts("Warning: Generating 'random' MAC address\n");
-		eth_random_addr(mac_addr);
+		net_random_ethaddr(mac_addr);
 	}
 
 	eth_setenv_enetaddr("ethaddr", mac_addr);
diff --git a/board/bf526-ezbrd/bf526-ezbrd.c b/board/bf526-ezbrd/bf526-ezbrd.c
index 368d6be..0a88491 100644
--- a/board/bf526-ezbrd/bf526-ezbrd.c
+++ b/board/bf526-ezbrd/bf526-ezbrd.c
@@ -36,7 +36,7 @@
 	if (USE_MAC_IN_FLASH) {
 		/* we cram the MAC in the last flash sector */
 		uchar *board_mac_addr = (uchar *)0x203F0096;
-		if (is_valid_ether_addr(board_mac_addr)) {
+		if (is_valid_ethaddr(board_mac_addr)) {
 			memcpy(mac_addr, board_mac_addr, 6);
 			valid_mac = true;
 		}
@@ -44,7 +44,7 @@
 
 	if (!valid_mac) {
 		puts("Warning: Generating 'random' MAC address\n");
-		eth_random_addr(mac_addr);
+		net_random_ethaddr(mac_addr);
 	}
 
 	eth_setenv_enetaddr("ethaddr", mac_addr);
diff --git a/board/bf527-ezkit/bf527-ezkit.c b/board/bf527-ezkit/bf527-ezkit.c
index 88e1869..257775f 100644
--- a/board/bf527-ezkit/bf527-ezkit.c
+++ b/board/bf527-ezkit/bf527-ezkit.c
@@ -40,13 +40,13 @@
 		for (ret = 0; ret < 6; ++ret)
 			mac_addr[ret] = otp_mac_p[5 - ret];
 
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			valid_mac = true;
 	}
 
 	if (!valid_mac) {
 		puts("Warning: Generating 'random' MAC address\n");
-		eth_random_addr(mac_addr);
+		net_random_ethaddr(mac_addr);
 	}
 
 	eth_setenv_enetaddr("ethaddr", mac_addr);
diff --git a/board/bf537-minotaur/bf537-minotaur.c b/board/bf537-minotaur/bf537-minotaur.c
index ca61ef9..71b4293 100644
--- a/board/bf537-minotaur/bf537-minotaur.c
+++ b/board/bf537-minotaur/bf537-minotaur.c
@@ -26,7 +26,7 @@
 static void board_init_enetaddr(uchar *mac_addr)
 {
 	puts("Warning: Generating 'random' MAC address\n");
-	eth_random_addr(mac_addr);
+	net_random_ethaddr(mac_addr);
 	eth_setenv_enetaddr("ethaddr", mac_addr);
 }
 
diff --git a/board/bf537-pnav/bf537-pnav.c b/board/bf537-pnav/bf537-pnav.c
index df00110..93522df 100644
--- a/board/bf537-pnav/bf537-pnav.c
+++ b/board/bf537-pnav/bf537-pnav.c
@@ -26,7 +26,7 @@
 static void board_init_enetaddr(uchar *mac_addr)
 {
 	puts("Warning: Generating 'random' MAC address\n");
-	eth_random_addr(mac_addr);
+	net_random_ethaddr(mac_addr);
 	eth_setenv_enetaddr("ethaddr", mac_addr);
 }
 
diff --git a/board/bf537-srv1/bf537-srv1.c b/board/bf537-srv1/bf537-srv1.c
index 725296a..6581028 100644
--- a/board/bf537-srv1/bf537-srv1.c
+++ b/board/bf537-srv1/bf537-srv1.c
@@ -26,7 +26,7 @@
 static void board_init_enetaddr(uchar *mac_addr)
 {
 	puts("Warning: Generating 'random' MAC address\n");
-	eth_random_addr(mac_addr);
+	net_random_ethaddr(mac_addr);
 	eth_setenv_enetaddr("ethaddr", mac_addr);
 }
 
diff --git a/board/bf537-stamp/bf537-stamp.c b/board/bf537-stamp/bf537-stamp.c
index 32045a9..66e5492 100644
--- a/board/bf537-stamp/bf537-stamp.c
+++ b/board/bf537-stamp/bf537-stamp.c
@@ -39,7 +39,7 @@
 	if (USE_MAC_IN_FLASH) {
 		/* we cram the MAC in the last flash sector */
 		uchar *board_mac_addr = (uchar *)0x203F0000;
-		if (is_valid_ether_addr(board_mac_addr)) {
+		if (is_valid_ethaddr(board_mac_addr)) {
 			memcpy(mac_addr, board_mac_addr, 6);
 			valid_mac = true;
 		}
@@ -47,7 +47,7 @@
 
 	if (!valid_mac) {
 		puts("Warning: Generating 'random' MAC address\n");
-		eth_random_addr(mac_addr);
+		net_random_ethaddr(mac_addr);
 	}
 
 	eth_setenv_enetaddr("ethaddr", mac_addr);
diff --git a/board/birdland/bav335x/board.c b/board/birdland/bav335x/board.c
index d1e1c8c..32ff7a4 100644
--- a/board/birdland/bav335x/board.c
+++ b/board/birdland/bav335x/board.c
@@ -384,7 +384,7 @@
 	ecode = read_eeprom(&header);
 	/* if we have a valid EE, get mac address from there */
 	if ((ecode == 0) &&
-	    is_valid_ether_addr((const u8 *)&header.mac_addr[0][0])) {
+	    is_valid_ethaddr((const u8 *)&header.mac_addr[0][0])) {
 		memcpy(mac_addr, (const void *)&header.mac_addr[0][0], 6);
 	}
 
@@ -395,7 +395,7 @@
 	if (!getenv("ethaddr")) {
 		printf("<ethaddr> not set. Validating first E-fuse MAC\n");
 
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			eth_setenv_enetaddr("ethaddr", mac_addr);
 	}
 
diff --git a/board/buffalo/lsxl/lsxl.c b/board/buffalo/lsxl/lsxl.c
index b0d49c4..487875c 100644
--- a/board/buffalo/lsxl/lsxl.c
+++ b/board/buffalo/lsxl/lsxl.c
@@ -232,7 +232,7 @@
 	printf("Entering rescue mode..\n");
 #ifdef CONFIG_RANDOM_MACADDR
 	if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
-		eth_random_addr(enetaddr);
+		net_random_ethaddr(enetaddr);
 		if (eth_setenv_enetaddr("ethaddr", enetaddr)) {
 			printf("Failed to set ethernet address\n");
 				set_led(LED_ALARM_BLINKING);
diff --git a/board/cm-bf527/cm-bf527.c b/board/cm-bf527/cm-bf527.c
index 1533eb9..2871fa2 100644
--- a/board/cm-bf527/cm-bf527.c
+++ b/board/cm-bf527/cm-bf527.c
@@ -39,13 +39,13 @@
 		for (ret = 0; ret < 6; ++ret)
 			mac_addr[ret] = otp_mac_p[5 - ret];
 
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			valid_mac = true;
 	}
 
 	if (!valid_mac) {
 		puts("Warning: Generating 'random' MAC address\n");
-		eth_random_addr(mac_addr);
+		net_random_ethaddr(mac_addr);
 	}
 
 	eth_setenv_enetaddr("ethaddr", mac_addr);
diff --git a/board/cm-bf537e/cm-bf537e.c b/board/cm-bf537e/cm-bf537e.c
index e79f90f..902611e 100644
--- a/board/cm-bf537e/cm-bf537e.c
+++ b/board/cm-bf537e/cm-bf537e.c
@@ -31,7 +31,7 @@
 		return;
 
 	printf("Warning: %s: generating 'random' MAC address\n", var);
-	eth_random_addr(enetaddr);
+	net_random_ethaddr(enetaddr);
 	eth_setenv_enetaddr(var, enetaddr);
 }
 
diff --git a/board/cm-bf537u/cm-bf537u.c b/board/cm-bf537u/cm-bf537u.c
index 632cbda..69bffd7 100644
--- a/board/cm-bf537u/cm-bf537u.c
+++ b/board/cm-bf537u/cm-bf537u.c
@@ -31,7 +31,7 @@
 		return;
 
 	printf("Warning: %s: generating 'random' MAC address\n", var);
-	eth_random_addr(enetaddr);
+	net_random_ethaddr(enetaddr);
 	eth_setenv_enetaddr(var, enetaddr);
 }
 
diff --git a/board/compulab/cm_fx6/cm_fx6.c b/board/compulab/cm_fx6/cm_fx6.c
index ae6945b..7a1bbaf 100644
--- a/board/compulab/cm_fx6/cm_fx6.c
+++ b/board/compulab/cm_fx6/cm_fx6.c
@@ -425,7 +425,7 @@
 	if (rc)
 		return rc;
 
-	if (!is_valid_ether_addr(enetaddr))
+	if (!is_valid_ethaddr(enetaddr))
 		return -1;
 
 	return eth_setenv_enetaddr(env_var, enetaddr);
diff --git a/board/compulab/cm_t335/cm_t335.c b/board/compulab/cm_t335/cm_t335.c
index 592ef3d..428aee6 100644
--- a/board/compulab/cm_t335/cm_t335.c
+++ b/board/compulab/cm_t335/cm_t335.c
@@ -114,7 +114,7 @@
 	if (rv)
 		get_efuse_mac_addr(enetaddr);
 
-	if (!is_valid_ether_addr(enetaddr))
+	if (!is_valid_ethaddr(enetaddr))
 		return -1;
 
 	return eth_setenv_enetaddr("ethaddr", enetaddr);
diff --git a/board/compulab/cm_t35/cm_t35.c b/board/compulab/cm_t35/cm_t35.c
index c4ea8ea..374edbc 100644
--- a/board/compulab/cm_t35/cm_t35.c
+++ b/board/compulab/cm_t35/cm_t35.c
@@ -441,7 +441,7 @@
 	if (rc)
 		return rc;
 
-	if (!is_valid_ether_addr(enetaddr))
+	if (!is_valid_ethaddr(enetaddr))
 		return -1;
 
 	return eth_setenv_enetaddr("ethaddr", enetaddr);
diff --git a/board/compulab/cm_t3517/cm_t3517.c b/board/compulab/cm_t3517/cm_t3517.c
index 624cf4c..03b2bad 100644
--- a/board/compulab/cm_t3517/cm_t3517.c
+++ b/board/compulab/cm_t3517/cm_t3517.c
@@ -132,7 +132,7 @@
 	enetaddr[4] = (u8)((lsb >> 8)  & 0xff);
 	enetaddr[5] = (u8)(lsb & 0xff);
 
-	return is_valid_ether_addr(enetaddr);
+	return is_valid_ethaddr(enetaddr);
 }
 
 static inline int cm_t3517_init_emac(bd_t *bis)
@@ -170,7 +170,7 @@
 			return ret;
 	}
 
-	if (!is_valid_ether_addr(enetaddr))
+	if (!is_valid_ethaddr(enetaddr))
 		return -1;
 
 	return eth_setenv_enetaddr("ethaddr", enetaddr);
diff --git a/board/compulab/cm_t54/cm_t54.c b/board/compulab/cm_t54/cm_t54.c
index fdea909..fad0551 100644
--- a/board/compulab/cm_t54/cm_t54.c
+++ b/board/compulab/cm_t54/cm_t54.c
@@ -166,10 +166,10 @@
 		return 0;
 
 	ret = cl_eeprom_read_mac_addr(enetaddr, CONFIG_SYS_I2C_EEPROM_BUS);
-	if (ret || !is_valid_ether_addr(enetaddr))
+	if (ret || !is_valid_ethaddr(enetaddr))
 		generate_mac_addr(enetaddr);
 
-	if (!is_valid_ether_addr(enetaddr))
+	if (!is_valid_ethaddr(enetaddr))
 		return -1;
 
 	return eth_setenv_enetaddr("usbethaddr", enetaddr);
diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c
index b9ca38e..b82385a 100644
--- a/board/davinci/da8xxevm/da850evm.c
+++ b/board/davinci/da8xxevm/da850evm.c
@@ -145,7 +145,7 @@
 	 */
 	if (!enetaddr_found) {
 		if (!spi_mac_read) {
-			if (is_valid_ether_addr(buff)) {
+			if (is_valid_ethaddr(buff)) {
 				if (eth_setenv_enetaddr("ethaddr", buff)) {
 					printf("Warning: Failed to "
 					"set MAC address from SPI flash\n");
@@ -160,8 +160,8 @@
 		 * MAC address present in environment compare it with
 		 * the MAC address in SPI flash and warn on mismatch
 		 */
-		if (!spi_mac_read && is_valid_ether_addr(buff) &&
-						memcmp(env_enetaddr, buff, 6))
+		if (!spi_mac_read && is_valid_ethaddr(buff) &&
+		    memcmp(env_enetaddr, buff, 6))
 			printf("Warning: MAC address in SPI flash don't match "
 					"with the MAC address in the environment\n");
 			printf("Default using MAC address from environment\n");
diff --git a/board/dnp5370/dnp5370.c b/board/dnp5370/dnp5370.c
index df721c9..655fcac 100644
--- a/board/dnp5370/dnp5370.c
+++ b/board/dnp5370/dnp5370.c
@@ -46,7 +46,7 @@
 	if (USE_MAC_IN_FLASH) {
 		/* we cram the MAC in the last flash sector */
 		uchar *board_mac_addr = (uchar *)0x202F0000;
-		if (is_valid_ether_addr(board_mac_addr)) {
+		if (is_valid_ethaddr(board_mac_addr)) {
 			memcpy(mac_addr, board_mac_addr, 6);
 			valid_mac = true;
 		}
@@ -54,7 +54,7 @@
 
 	if (!valid_mac) {
 		puts("Warning: Generating 'random' MAC address\n");
-		eth_random_addr(mac_addr);
+		net_random_ethaddr(mac_addr);
 	}
 
 	eth_setenv_enetaddr("ethaddr", mac_addr);
diff --git a/board/gumstix/pepper/board.c b/board/gumstix/pepper/board.c
index f644f81..beb2fac 100644
--- a/board/gumstix/pepper/board.c
+++ b/board/gumstix/pepper/board.c
@@ -165,7 +165,7 @@
 		mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 		mac_addr[4] = mac_lo & 0xFF;
 		mac_addr[5] = (mac_lo & 0xFF00) >> 8;
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			eth_setenv_enetaddr("ethaddr", mac_addr);
 	}
 
diff --git a/board/ifm/ac14xx/ac14xx.c b/board/ifm/ac14xx/ac14xx.c
index 5d2ab2f..72932ca 100644
--- a/board/ifm/ac14xx/ac14xx.c
+++ b/board/ifm/ac14xx/ac14xx.c
@@ -225,7 +225,7 @@
 		break;
 	}
 
-	if (mac && is_valid_ether_addr(mac)) {
+	if (mac && is_valid_ethaddr(mac)) {
 		eth_setenv_enetaddr("ethaddr", mac);
 		if (mac_diag) {
 			mac_txt = getenv("ethaddr");
diff --git a/board/ip04/ip04.c b/board/ip04/ip04.c
index ae52633..d20500f 100644
--- a/board/ip04/ip04.c
+++ b/board/ip04/ip04.c
@@ -32,7 +32,7 @@
 	uchar enetaddr[6];
 	if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
 		puts("Warning: Generating 'random' MAC address\n");
-		eth_random_addr(enetaddr);
+		net_random_ethaddr(enetaddr);
 		eth_setenv_enetaddr("ethaddr", enetaddr);
 	}
 
diff --git a/board/isee/igep0033/board.c b/board/isee/igep0033/board.c
index 9f8fcf2..5fea7ff 100644
--- a/board/isee/igep0033/board.c
+++ b/board/isee/igep0033/board.c
@@ -156,7 +156,7 @@
 		mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 		mac_addr[4] = mac_lo & 0xFF;
 		mac_addr[5] = (mac_lo & 0xFF00) >> 8;
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			eth_setenv_enetaddr("ethaddr", mac_addr);
 	}
 
diff --git a/board/phytec/pcm051/board.c b/board/phytec/pcm051/board.c
index 1071662..1bf9d73 100644
--- a/board/phytec/pcm051/board.c
+++ b/board/phytec/pcm051/board.c
@@ -228,7 +228,7 @@
 		mac_addr[4] = mac_lo & 0xFF;
 		mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			eth_setenv_enetaddr("ethaddr", mac_addr);
 		else
 			goto try_usbether;
diff --git a/board/renesas/r0p7734/r0p7734.c b/board/renesas/r0p7734/r0p7734.c
index 5687ad4..2e31ba6 100644
--- a/board/renesas/r0p7734/r0p7734.c
+++ b/board/renesas/r0p7734/r0p7734.c
@@ -55,7 +55,7 @@
 	/* Read MAC address */
 	i2c_read(0x50, 0x10, 0, mac, 6);
 
-	if (is_valid_ether_addr(mac))
+	if (is_valid_ethaddr(mac))
 		eth_setenv_enetaddr("ethaddr", mac);
 
 	return 0;
diff --git a/board/siemens/common/factoryset.c b/board/siemens/common/factoryset.c
index 7baac3d..d81f548 100644
--- a/board/siemens/common/factoryset.c
+++ b/board/siemens/common/factoryset.c
@@ -271,7 +271,7 @@
 	uint8_t mac_addr[6];
 
 	debug("FactorySet: Set mac address\n");
-	if (is_valid_ether_addr(factory_dat.mac)) {
+	if (is_valid_ethaddr(factory_dat.mac)) {
 		memcpy(mac_addr, factory_dat.mac, 6);
 	} else {
 		uint32_t mac_hi, mac_lo;
@@ -286,7 +286,7 @@
 		mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 		mac_addr[4] = mac_lo & 0xFF;
 		mac_addr[5] = (mac_lo & 0xFF00) >> 8;
-		if (!is_valid_ether_addr(mac_addr)) {
+		if (!is_valid_ethaddr(mac_addr)) {
 			printf("Warning: ethaddr not set by FactorySet or E-fuse. Set <ethaddr> variable to overcome this.\n");
 			return -1;
 		}
diff --git a/board/siemens/pxm2/board.c b/board/siemens/pxm2/board.c
index 264ba02..4d8ba3c 100644
--- a/board/siemens/pxm2/board.c
+++ b/board/siemens/pxm2/board.c
@@ -222,7 +222,7 @@
 	struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
 #ifdef CONFIG_FACTORYSET
 	int rv;
-	if (!is_valid_ether_addr(factory_dat.mac))
+	if (!is_valid_ethaddr(factory_dat.mac))
 		printf("Error: no valid mac address\n");
 	else
 		eth_setenv_enetaddr("ethaddr", factory_dat.mac);
diff --git a/board/silica/pengwyn/board.c b/board/silica/pengwyn/board.c
index ee88b6f..815c9a7 100644
--- a/board/silica/pengwyn/board.c
+++ b/board/silica/pengwyn/board.c
@@ -189,7 +189,7 @@
 		mac_addr[4] = mac_lo & 0xFF;
 		mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			eth_setenv_enetaddr("ethaddr", mac_addr);
 		else
 			return n;
diff --git a/board/tcm-bf518/tcm-bf518.c b/board/tcm-bf518/tcm-bf518.c
index 5d25fcd..3fa7d97 100644
--- a/board/tcm-bf518/tcm-bf518.c
+++ b/board/tcm-bf518/tcm-bf518.c
@@ -39,14 +39,14 @@
 		for (ret = 0; ret < 6; ++ret)
 			mac_addr[ret] = otp_mac_p[5 - ret];
 
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			valid_mac = true;
 	}
 #endif
 
 	if (!valid_mac) {
 		puts("Warning: Generating 'random' MAC address\n");
-		eth_random_addr(mac_addr);
+		net_random_ethaddr(mac_addr);
 	}
 
 	eth_setenv_enetaddr("ethaddr", mac_addr);
diff --git a/board/tcm-bf537/tcm-bf537.c b/board/tcm-bf537/tcm-bf537.c
index a4f0f71..2531a44 100644
--- a/board/tcm-bf537/tcm-bf537.c
+++ b/board/tcm-bf537/tcm-bf537.c
@@ -31,7 +31,7 @@
 		return;
 
 	printf("Warning: %s: generating 'random' MAC address\n", var);
-	eth_random_addr(enetaddr);
+	net_random_ethaddr(enetaddr);
 	eth_setenv_enetaddr(var, enetaddr);
 }
 
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index 0739e60..96245a3 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -593,7 +593,7 @@
 	if (!getenv("ethaddr")) {
 		printf("<ethaddr> not set. Validating first E-fuse MAC\n");
 
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			eth_setenv_enetaddr("ethaddr", mac_addr);
 	}
 
@@ -609,7 +609,7 @@
 	mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 
 	if (!getenv("eth1addr")) {
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			eth_setenv_enetaddr("eth1addr", mac_addr);
 	}
 
@@ -658,7 +658,7 @@
 #endif
 #if defined(CONFIG_USB_ETHER) && \
 	(!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
-	if (is_valid_ether_addr(mac_addr))
+	if (is_valid_ethaddr(mac_addr))
 		eth_setenv_enetaddr("usbnet_devaddr", mac_addr);
 
 	rv = usb_eth_initialize(bis);
diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c
index ddf4c5f..4aae230 100644
--- a/board/ti/am43xx/board.c
+++ b/board/ti/am43xx/board.c
@@ -802,7 +802,7 @@
 
 	if (!getenv("ethaddr")) {
 		puts("<ethaddr> not set. Validating first E-fuse MAC\n");
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			eth_setenv_enetaddr("ethaddr", mac_addr);
 	}
 
@@ -816,7 +816,7 @@
 	mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 
 	if (!getenv("eth1addr")) {
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			eth_setenv_enetaddr("eth1addr", mac_addr);
 	}
 
diff --git a/board/ti/beagle_x15/board.c b/board/ti/beagle_x15/board.c
index ac0d22c..ffcd531 100644
--- a/board/ti/beagle_x15/board.c
+++ b/board/ti/beagle_x15/board.c
@@ -356,7 +356,7 @@
 	if (!getenv("ethaddr")) {
 		printf("<ethaddr> not set. Validating first E-fuse MAC\n");
 
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			eth_setenv_enetaddr("ethaddr", mac_addr);
 	}
 
@@ -370,7 +370,7 @@
 	mac_addr[5] = mac_lo & 0xFF;
 
 	if (!getenv("eth1addr")) {
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			eth_setenv_enetaddr("eth1addr", mac_addr);
 	}
 
diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c
index 3089fa2..c101928 100644
--- a/board/ti/dra7xx/evm.c
+++ b/board/ti/dra7xx/evm.c
@@ -341,7 +341,7 @@
 	if (!getenv("ethaddr")) {
 		printf("<ethaddr> not set. Validating first E-fuse MAC\n");
 
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			eth_setenv_enetaddr("ethaddr", mac_addr);
 	}
 
@@ -355,7 +355,7 @@
 	mac_addr[5] = mac_lo & 0xFF;
 
 	if (!getenv("eth1addr")) {
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			eth_setenv_enetaddr("eth1addr", mac_addr);
 	}
 
diff --git a/board/ti/ti814x/evm.c b/board/ti/ti814x/evm.c
index 54b3dfb..e406dab 100644
--- a/board/ti/ti814x/evm.c
+++ b/board/ti/ti814x/evm.c
@@ -178,7 +178,7 @@
 		mac_addr[4] = mac_lo & 0xFF;
 		mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 
-		if (is_valid_ether_addr(mac_addr))
+		if (is_valid_ethaddr(mac_addr))
 			eth_setenv_enetaddr("ethaddr", mac_addr);
 		else
 			printf("Unable to read MAC address. Set <ethaddr>\n");
diff --git a/doc/README.enetaddr b/doc/README.enetaddr
index 1eaeaf9..0fafd2c 100644
--- a/doc/README.enetaddr
+++ b/doc/README.enetaddr
@@ -87,7 +87,7 @@
 Look up an environment variable and convert the stored address.  If the address
 is valid, then the function returns 1.  Otherwise, the function returns 0.  In
 all cases, the enetaddr memory is initialized.  If the env var is not found,
-then it is set to all zeros.  The common function is_valid_ether_addr() is used
+then it is set to all zeros.  The common function is_valid_ethaddr() is used
 to determine address validity.
 uchar enetaddr[6];
 if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
diff --git a/drivers/net/cpsw.c b/drivers/net/cpsw.c
index 52f8da6..d4b0cb9 100644
--- a/drivers/net/cpsw.c
+++ b/drivers/net/cpsw.c
@@ -289,7 +289,7 @@
 		addr[i] = cpsw_ale_get_field(ale_entry, 40 - 8*i, 8);
 }
 
-static inline void cpsw_ale_set_addr(u32 *ale_entry, u8 *addr)
+static inline void cpsw_ale_set_addr(u32 *ale_entry, const u8 *addr)
 {
 	int i;
 
@@ -321,7 +321,7 @@
 	return idx;
 }
 
-static int cpsw_ale_match_addr(struct cpsw_priv *priv, u8* addr)
+static int cpsw_ale_match_addr(struct cpsw_priv *priv, const u8 *addr)
 {
 	u32 ale_entry[ALE_ENTRY_WORDS];
 	int type, idx;
@@ -374,7 +374,7 @@
 	return -ENOENT;
 }
 
-static int cpsw_ale_add_ucast(struct cpsw_priv *priv, u8 *addr,
+static int cpsw_ale_add_ucast(struct cpsw_priv *priv, const u8 *addr,
 			      int port, int flags)
 {
 	u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
@@ -399,7 +399,8 @@
 	return 0;
 }
 
-static int cpsw_ale_add_mcast(struct cpsw_priv *priv, u8 *addr, int port_mask)
+static int cpsw_ale_add_mcast(struct cpsw_priv *priv, const u8 *addr,
+			      int port_mask)
 {
 	u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
 	int idx, mask;
@@ -644,7 +645,7 @@
 	slave_port = cpsw_get_slave_port(priv, slave->slave_num);
 	cpsw_ale_port_state(priv, slave_port, ALE_PORT_STATE_FORWARD);
 
-	cpsw_ale_add_mcast(priv, NetBcastAddr, 1 << slave_port);
+	cpsw_ale_add_mcast(priv, net_bcast_ethaddr, 1 << slave_port);
 
 	priv->phy_mask |= 1 << slave->data->phy_addr;
 }
@@ -773,7 +774,7 @@
 
 	cpsw_ale_add_ucast(priv, priv->dev->enetaddr, priv->host_port,
 			   ALE_SECURE);
-	cpsw_ale_add_mcast(priv, NetBcastAddr, 1 << priv->host_port);
+	cpsw_ale_add_mcast(priv, net_bcast_ethaddr, 1 << priv->host_port);
 
 	for_active_slave(slave, priv)
 		cpsw_slave_init(slave, priv);
diff --git a/drivers/net/dm9000x.c b/drivers/net/dm9000x.c
index 4de9d41..d1c6f4c 100644
--- a/drivers/net/dm9000x.c
+++ b/drivers/net/dm9000x.c
@@ -342,10 +342,10 @@
 	DM9000_iow(DM9000_ISR, ISR_ROOS | ISR_ROS | ISR_PTS | ISR_PRS);
 
 	printf("MAC: %pM\n", dev->enetaddr);
-	if (!is_valid_ether_addr(dev->enetaddr)) {
+	if (!is_valid_ethaddr(dev->enetaddr)) {
 #ifdef CONFIG_RANDOM_MACADDR
 		printf("Bad MAC address (uninitialized EEPROM?), randomizing\n");
-		eth_random_addr(dev->enetaddr);
+		net_random_ethaddr(dev->enetaddr);
 		printf("MAC: %pM\n", dev->enetaddr);
 #else
 		printf("WARNING: Bad MAC address (uninitialized EEPROM?)\n");
diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
index cd44222..6a2e0d2 100644
--- a/drivers/net/e1000.c
+++ b/drivers/net/e1000.c
@@ -1197,7 +1197,7 @@
 		nic->enetaddr[5] ^= 1;
 
 #ifdef CONFIG_E1000_FALLBACK_MAC
-	if (!is_valid_ether_addr(nic->enetaddr)) {
+	if (!is_valid_ethaddr(nic->enetaddr)) {
 		unsigned char fb_mac[NODE_ADDRESS_SIZE] = CONFIG_E1000_FALLBACK_MAC;
 
 		memcpy (nic->enetaddr, fb_mac, NODE_ADDRESS_SIZE);
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index b572470..1146d3b 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -357,7 +357,7 @@
 						unsigned char *mac)
 {
 	imx_get_mac_from_fuse(dev_id, mac);
-	return !is_valid_ether_addr(mac);
+	return !is_valid_ethaddr(mac);
 }
 
 static int fec_set_hwaddr(struct eth_device *dev)
diff --git a/drivers/net/ftmac110.c b/drivers/net/ftmac110.c
index 98c4f09..aef89a2 100644
--- a/drivers/net/ftmac110.c
+++ b/drivers/net/ftmac110.c
@@ -425,7 +425,7 @@
 	dev->recv = ftmac110_recv;
 
 	if (!eth_getenv_enetaddr_by_index("eth", card_nr, dev->enetaddr))
-		eth_random_addr(dev->enetaddr);
+		net_random_ethaddr(dev->enetaddr);
 
 	/* allocate tx descriptors (it must be 16 bytes aligned) */
 	chip->txd = dma_alloc_coherent(
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 170ff06..1fe408c 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -595,7 +595,7 @@
 	}
 
 	/* update the ethaddr */
-	if (is_valid_ether_addr(netdev->enetaddr)) {
+	if (is_valid_ethaddr(netdev->enetaddr)) {
 		macb_write_hwaddr(netdev);
 	} else {
 		printf("%s: mac address is not valid\n", netdev->name);
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index 55f383f..0d81b44 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -117,7 +117,7 @@
 void NcStart(void)
 {
 	refresh_settings_from_env();
-	if (!output_packet_len || memcmp(nc_ether, NetEtherNullAddr, 6)) {
+	if (!output_packet_len || memcmp(nc_ether, net_null_ethaddr, 6)) {
 		/* going to check for input packet */
 		net_set_udp_handler(nc_handler);
 		NetSetTimeout(net_timeout, nc_timeout);
@@ -180,7 +180,7 @@
 	if (eth == NULL)
 		return;
 
-	if (!memcmp(nc_ether, NetEtherNullAddr, 6)) {
+	if (!memcmp(nc_ether, net_null_ethaddr, 6)) {
 		if (eth->state == ETH_STATE_ACTIVE)
 			return;	/* inside net loop */
 		output_packet = buf;
diff --git a/drivers/usb/eth/smsc95xx.c b/drivers/usb/eth/smsc95xx.c
index 6bca34d..78b469f 100644
--- a/drivers/usb/eth/smsc95xx.c
+++ b/drivers/usb/eth/smsc95xx.c
@@ -355,7 +355,7 @@
 	/* try reading mac address from EEPROM */
 	if (smsc95xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN,
 			eth->enetaddr) == 0) {
-		if (is_valid_ether_addr(eth->enetaddr)) {
+		if (is_valid_ethaddr(eth->enetaddr)) {
 			/* eeprom values are valid so use them */
 			debug("MAC address read from EEPROM\n");
 			return 0;
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 7e3b3ed..516e356 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -1645,13 +1645,13 @@
 	if (!eth_is_promisc (dev)) {
 		u8		*dest = skb->data;
 
-		if (is_multicast_ether_addr(dest)) {
+		if (is_multicast_ethaddr(dest)) {
 			u16	type;
 
 			/* ignores USB_CDC_PACKET_TYPE_MULTICAST and host
 			 * SET_ETHERNET_MULTICAST_FILTERS requests
 			 */
-			if (is_broadcast_ether_addr(dest))
+			if (is_broadcast_ethaddr(dest))
 				type = USB_CDC_PACKET_TYPE_BROADCAST;
 			else
 				type = USB_CDC_PACKET_TYPE_ALL_MULTICAST;
@@ -1942,7 +1942,7 @@
 		}
 
 		/* Now check the contents. */
-		return is_valid_ether_addr(ea);
+		return is_valid_ethaddr(ea);
 	}
 	return 0;
 }
@@ -1971,7 +1971,7 @@
 			num |= (nibble(*str++));
 			dev_addr[i] = num;
 		}
-		if (is_valid_ether_addr(dev_addr))
+		if (is_valid_ethaddr(dev_addr))
 			return 0;
 	}
 	return 1;
diff --git a/include/net.h b/include/net.h
index 494930c..8a3e5ff 100644
--- a/include/net.h
+++ b/include/net.h
@@ -477,8 +477,8 @@
 extern char	net_hostname[32];	/* Our hostname */
 extern char	net_root_path[64];	/* Our root path */
 /** END OF BOOTP EXTENTIONS **/
-extern uchar		NetOurEther[6];		/* Our ethernet address */
-extern uchar		NetServerEther[6];	/* Boot server enet address */
+extern u8		net_ethaddr[6];		/* Our ethernet address */
+extern u8		net_server_ethaddr[6];	/* Boot server enet address */
 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 */
@@ -490,8 +490,8 @@
 extern uchar		*NetRxPacket;		/* Current receive packet */
 extern int		NetRxPacketLen;		/* Current rx packet length */
 extern unsigned		NetIPID;		/* IP ID (counting) */
-extern uchar		NetBcastAddr[6];	/* Ethernet boardcast address */
-extern uchar		NetEtherNullAddr[6];
+extern const u8		net_bcast_ethaddr[6];	/* Ethernet broadcast address */
+extern const u8		net_null_ethaddr[6];
 
 #define VLAN_NONE	4095			/* untagged */
 #define VLAN_IDMASK	0x0fff			/* mask of valid vlan id */
@@ -528,11 +528,11 @@
 /*
  * Check for a CDP packet by examining the received MAC address field
  */
-static inline int is_cdp_packet(const uchar *et_addr)
+static inline int is_cdp_packet(const uchar *ethaddr)
 {
-	extern const uchar NetCDPAddr[6];
+	extern const u8 net_cdp_ethaddr[6];
 
-	return memcmp(et_addr, NetCDPAddr, 6) == 0;
+	return memcmp(ethaddr, net_cdp_ethaddr, 6) == 0;
 }
 #endif
 
@@ -559,7 +559,7 @@
 int	NetEthHdrSize(void);
 
 /* Set ethernet header; returns the size of the header */
-int NetSetEther(uchar *, uchar *, uint);
+int NetSetEther(uchar *xet, const uchar *dest_ethaddr, uint prot);
 int net_update_ether(struct ethernet_hdr *et, uchar *addr, uint prot);
 
 /* Set IP header */
@@ -722,42 +722,42 @@
 }
 
 /**
- * is_zero_ether_addr - Determine if give Ethernet address is all zeros.
+ * is_zero_ethaddr - Determine if give Ethernet address is all zeros.
  * @addr: Pointer to a six-byte array containing the Ethernet address
  *
  * Return true if the address is all zeroes.
  */
-static inline int is_zero_ether_addr(const u8 *addr)
+static inline int is_zero_ethaddr(const u8 *addr)
 {
 	return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]);
 }
 
 /**
- * is_multicast_ether_addr - Determine if the Ethernet address is a multicast.
+ * is_multicast_ethaddr - Determine if the Ethernet address is a multicast.
  * @addr: Pointer to a six-byte array containing the Ethernet address
  *
  * Return true if the address is a multicast address.
  * By definition the broadcast address is also a multicast address.
  */
-static inline int is_multicast_ether_addr(const u8 *addr)
+static inline int is_multicast_ethaddr(const u8 *addr)
 {
 	return 0x01 & addr[0];
 }
 
 /*
- * is_broadcast_ether_addr - Determine if the Ethernet address is broadcast
+ * is_broadcast_ethaddr - Determine if the Ethernet address is broadcast
  * @addr: Pointer to a six-byte array containing the Ethernet address
  *
  * Return true if the address is the broadcast address.
  */
-static inline int is_broadcast_ether_addr(const u8 *addr)
+static inline int is_broadcast_ethaddr(const u8 *addr)
 {
 	return (addr[0] & addr[1] & addr[2] & addr[3] & addr[4] & addr[5]) ==
 		0xff;
 }
 
 /*
- * is_valid_ether_addr - Determine if the given Ethernet address is valid
+ * is_valid_ethaddr - Determine if the given Ethernet address is valid
  * @addr: Pointer to a six-byte array containing the Ethernet address
  *
  * Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not
@@ -765,21 +765,21 @@
  *
  * Return true if the address is valid.
  */
-static inline int is_valid_ether_addr(const u8 *addr)
+static inline int is_valid_ethaddr(const u8 *addr)
 {
 	/* FF:FF:FF:FF:FF:FF is a multicast address so we don't need to
 	 * explicitly check for it here. */
-	return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr);
+	return !is_multicast_ethaddr(addr) && !is_zero_ethaddr(addr);
 }
 
 /**
- * eth_random_addr - Generate software assigned random Ethernet address
+ * net_random_ethaddr - Generate software assigned random Ethernet address
  * @addr: Pointer to a six-byte array containing the Ethernet address
  *
  * Generate a random Ethernet address (MAC) that is not multicast
  * and has the local assigned bit set.
  */
-static inline void eth_random_addr(uchar *addr)
+static inline void net_random_ethaddr(uchar *addr)
 {
 	int i;
 	unsigned int seed = get_timer(0);
diff --git a/net/arp.c b/net/arp.c
index 4971a53..c613609 100644
--- a/net/arp.c
+++ b/net/arp.c
@@ -60,7 +60,7 @@
 
 	pkt = NetArpTxPacket;
 
-	eth_hdr_size = NetSetEther(pkt, NetBcastAddr, PROT_ARP);
+	eth_hdr_size = NetSetEther(pkt, net_bcast_ethaddr, PROT_ARP);
 	pkt += eth_hdr_size;
 
 	arp = (struct arp_hdr *) pkt;
@@ -71,7 +71,7 @@
 	arp->ar_pln = ARP_PLEN;
 	arp->ar_op = htons(ARPOP_REQUEST);
 
-	memcpy(&arp->ar_sha, NetOurEther, ARP_HLEN);	/* source ET addr */
+	memcpy(&arp->ar_sha, net_ethaddr, ARP_HLEN);	/* source ET addr */
 	net_write_ip(&arp->ar_spa, source_ip);		/* source IP addr */
 	memcpy(&arp->ar_tha, targetEther, ARP_HLEN);	/* target ET addr */
 	net_write_ip(&arp->ar_tpa, target_ip);		/* target IP addr */
@@ -93,7 +93,7 @@
 		net_arp_wait_reply_ip = net_arp_wait_packet_ip;
 	}
 
-	arp_raw_request(net_ip, NetEtherNullAddr, net_arp_wait_reply_ip);
+	arp_raw_request(net_ip, net_null_ethaddr, net_arp_wait_reply_ip);
 }
 
 void ArpTimeoutCheck(void)
@@ -168,7 +168,7 @@
 		arp->ar_op = htons(ARPOP_REPLY);
 		memcpy(&arp->ar_tha, &arp->ar_sha, ARP_HLEN);
 		net_copy_ip(&arp->ar_tpa, &arp->ar_spa);
-		memcpy(&arp->ar_sha, NetOurEther, ARP_HLEN);
+		memcpy(&arp->ar_sha, net_ethaddr, ARP_HLEN);
 		net_copy_ip(&arp->ar_spa, &net_ip);
 
 #ifdef CONFIG_CMD_LINK_LOCAL
diff --git a/net/bootp.c b/net/bootp.c
index 9251e91..9b27d4c 100644
--- a/net/bootp.c
+++ b/net/bootp.c
@@ -147,7 +147,8 @@
 	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);
+	memcpy(net_server_ethaddr, ((struct ethernet_hdr *)NetRxPacket)->et_src,
+	       6);
 	if (strlen(bp->bp_file) > 0)
 		copy_filename(net_boot_file_name, bp->bp_file,
 			      sizeof(net_boot_file_name));
@@ -693,7 +694,7 @@
 	pkt = NetTxPacket;
 	memset((void *)pkt, 0, PKTSIZE);
 
-	eth_hdr_size = NetSetEther(pkt, NetBcastAddr, PROT_IP);
+	eth_hdr_size = NetSetEther(pkt, net_bcast_ethaddr, PROT_IP);
 	pkt += eth_hdr_size;
 
 	/*
@@ -719,7 +720,7 @@
 	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);
+	memcpy(bp->bp_chaddr, net_ethaddr, 6);
 	copy_filename(bp->bp_file, net_boot_file_name, sizeof(bp->bp_file));
 
 	/* Request additional information from the BOOTP/DHCP server */
@@ -734,10 +735,10 @@
 	 *	Bootp ID is the lower 4 bytes of our ethernet address
 	 *	plus the current time in ms.
 	 */
-	BootpID = ((ulong)NetOurEther[2] << 24)
-		| ((ulong)NetOurEther[3] << 16)
-		| ((ulong)NetOurEther[4] << 8)
-		| (ulong)NetOurEther[5];
+	BootpID = ((ulong)net_ethaddr[2] << 24)
+		| ((ulong)net_ethaddr[3] << 16)
+		| ((ulong)net_ethaddr[4] << 8)
+		| (ulong)net_ethaddr[5];
 	BootpID += get_timer(0);
 	BootpID = htonl(BootpID);
 	bootp_add_id(BootpID);
@@ -896,7 +897,7 @@
 	pkt = NetTxPacket;
 	memset((void *)pkt, 0, PKTSIZE);
 
-	eth_hdr_size = NetSetEther(pkt, NetBcastAddr, PROT_IP);
+	eth_hdr_size = NetSetEther(pkt, net_bcast_ethaddr, PROT_IP);
 	pkt += eth_hdr_size;
 
 	iphdr = pkt;	/* We'll need this later to set proper pkt size */
@@ -918,7 +919,7 @@
 	zero_ip.s_addr = 0;
 	net_write_ip(&bp->bp_giaddr, zero_ip);
 
-	memcpy(bp->bp_chaddr, NetOurEther, 6);
+	memcpy(bp->bp_chaddr, net_ethaddr, 6);
 
 	/*
 	 * ID is the id of the OFFER packet
diff --git a/net/cdp.c b/net/cdp.c
index 2d8fa03..e8e7a67 100644
--- a/net/cdp.c
+++ b/net/cdp.c
@@ -18,7 +18,7 @@
 #include "cdp.h"
 
 /* Ethernet bcast address */
-const uchar NetCDPAddr[6] = { 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc };
+const u8 net_cdp_ethaddr[6] = { 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc };
 
 #define CDP_DEVICE_ID_TLV		0x0001
 #define CDP_ADDRESS_TLV			0x0002
@@ -124,8 +124,8 @@
 	/* NOTE: trigger sent not on any VLAN */
 
 	/* form ethernet header */
-	memcpy(et->et_dest, NetCDPAddr, 6);
-	memcpy(et->et_src, NetOurEther, 6);
+	memcpy(et->et_dest, net_cdp_ethaddr, 6);
+	memcpy(et->et_src, net_ethaddr, 6);
 
 	pkt += ETHER_HDR_SIZE;
 
@@ -145,7 +145,7 @@
 #ifdef CONFIG_CDP_DEVICE_ID
 	*s++ = htons(CDP_DEVICE_ID_TLV);
 	*s++ = htons(CONFIG_CDP_DEVICE_ID);
-	sprintf(buf, CONFIG_CDP_DEVICE_ID_PREFIX "%pm", NetOurEther);
+	sprintf(buf, CONFIG_CDP_DEVICE_ID_PREFIX "%pm", net_ethaddr);
 	memcpy((uchar *)s, buf, 16);
 	s += 16 / 2;
 #endif
diff --git a/net/dns.c b/net/dns.c
index 6f8b1f2..0ff2b75 100644
--- a/net/dns.c
+++ b/net/dns.c
@@ -89,7 +89,7 @@
 
 	DnsOurPort = random_port();
 
-	NetSendUDPPacket(NetServerEther, net_dns_server, DNS_SERVICE_PORT,
+	NetSendUDPPacket(net_server_ethaddr, net_dns_server, DNS_SERVICE_PORT,
 			 DnsOurPort, n);
 	debug("DNS packet sent\n");
 }
@@ -203,7 +203,7 @@
 	net_set_udp_handler(dns_handler);
 
 	/* Clear a previous MAC address, the server IP might have changed. */
-	memset(NetServerEther, 0, sizeof(NetServerEther));
+	memset(net_server_ethaddr, 0, sizeof(net_server_ethaddr));
 
 	DnsSend();
 }
diff --git a/net/eth.c b/net/eth.c
index f06fdb2..3f5cb7e 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -32,7 +32,7 @@
 int eth_getenv_enetaddr(char *name, uchar *enetaddr)
 {
 	eth_parse_enetaddr(getenv(name), enetaddr);
-	return is_valid_ether_addr(enetaddr);
+	return is_valid_ethaddr(enetaddr);
 }
 
 int eth_setenv_enetaddr(char *name, const uchar *enetaddr)
@@ -369,7 +369,7 @@
 
 	/* seq is valid since the device is active */
 	if (eth_get_ops(dev)->write_hwaddr && !eth_mac_skip(dev->seq)) {
-		if (!is_valid_ether_addr(pdata->enetaddr)) {
+		if (!is_valid_ethaddr(pdata->enetaddr)) {
 			printf("\nError: %s address %pM illegal value\n",
 			       dev->name, pdata->enetaddr);
 			return -EINVAL;
@@ -470,8 +470,8 @@
 		eth_get_ops(dev)->read_rom_hwaddr(dev);
 
 	eth_getenv_enetaddr_by_index("eth", dev->seq, env_enetaddr);
-	if (!is_zero_ether_addr(env_enetaddr)) {
-		if (!is_zero_ether_addr(pdata->enetaddr) &&
+	if (!is_zero_ethaddr(env_enetaddr)) {
+		if (!is_zero_ethaddr(pdata->enetaddr) &&
 		    memcmp(pdata->enetaddr, env_enetaddr, 6)) {
 			printf("\nWarning: %s MAC addresses don't match:\n",
 			       dev->name);
@@ -483,11 +483,11 @@
 
 		/* Override the ROM MAC address */
 		memcpy(pdata->enetaddr, env_enetaddr, 6);
-	} else if (is_valid_ether_addr(pdata->enetaddr)) {
+	} else if (is_valid_ethaddr(pdata->enetaddr)) {
 		eth_setenv_enetaddr_by_index("eth", dev->seq, pdata->enetaddr);
 		printf("\nWarning: %s using MAC address from ROM\n",
 		       dev->name);
-	} else if (is_zero_ether_addr(pdata->enetaddr)) {
+	} else if (is_zero_ethaddr(pdata->enetaddr)) {
 		printf("\nError: %s address not set.\n",
 		       dev->name);
 		return -EINVAL;
@@ -608,8 +608,8 @@
 
 	eth_getenv_enetaddr_by_index(base_name, eth_number, env_enetaddr);
 
-	if (!is_zero_ether_addr(env_enetaddr)) {
-		if (!is_zero_ether_addr(dev->enetaddr) &&
+	if (!is_zero_ethaddr(env_enetaddr)) {
+		if (!is_zero_ethaddr(dev->enetaddr) &&
 		    memcmp(dev->enetaddr, env_enetaddr, 6)) {
 			printf("\nWarning: %s MAC addresses don't match:\n",
 				dev->name);
@@ -620,19 +620,19 @@
 		}
 
 		memcpy(dev->enetaddr, env_enetaddr, 6);
-	} else if (is_valid_ether_addr(dev->enetaddr)) {
+	} else if (is_valid_ethaddr(dev->enetaddr)) {
 		eth_setenv_enetaddr_by_index(base_name, eth_number,
 					     dev->enetaddr);
 		printf("\nWarning: %s using MAC address from net device\n",
 			dev->name);
-	} else if (is_zero_ether_addr(dev->enetaddr)) {
+	} else if (is_zero_ethaddr(dev->enetaddr)) {
 		printf("\nError: %s address not set.\n",
 		       dev->name);
 		return -EINVAL;
 	}
 
 	if (dev->write_hwaddr && !eth_mac_skip(eth_number)) {
-		if (!is_valid_ether_addr(dev->enetaddr)) {
+		if (!is_valid_ethaddr(dev->enetaddr)) {
 			printf("\nError: %s address %pM illegal value\n",
 				 dev->name, dev->enetaddr);
 			return -EINVAL;
diff --git a/net/link_local.c b/net/link_local.c
index 6d92c55..2bca7de 100644
--- a/net/link_local.c
+++ b/net/link_local.c
@@ -139,7 +139,7 @@
 			nprobes++;
 			debug_cond(DEBUG_LL_STATE, "probe/%u %s@%pI4\n",
 					nprobes, eth_get_name(), &ip);
-			arp_raw_request(zero_ip, NetEtherNullAddr, ip);
+			arp_raw_request(zero_ip, net_null_ethaddr, ip);
 			timeout_ms = PROBE_MIN * 1000;
 			timeout_ms += random_delay_ms(PROBE_MAX - PROBE_MIN);
 		} else {
@@ -148,7 +148,7 @@
 			nclaims = 0;
 			debug_cond(DEBUG_LL_STATE, "announce/%u %s@%pI4\n",
 					nclaims, eth_get_name(), &ip);
-			arp_raw_request(ip, NetOurEther, ip);
+			arp_raw_request(ip, net_ethaddr, ip);
 			timeout_ms = ANNOUNCE_INTERVAL * 1000;
 		}
 		break;
@@ -160,7 +160,7 @@
 		nclaims = 0;
 		debug_cond(DEBUG_LL_STATE, "announce/%u %s@%pI4\n",
 				nclaims, eth_get_name(), &ip);
-		arp_raw_request(ip, NetOurEther, ip);
+		arp_raw_request(ip, net_ethaddr, ip);
 		timeout_ms = ANNOUNCE_INTERVAL * 1000;
 		break;
 	case ANNOUNCE:
@@ -171,7 +171,7 @@
 			nclaims++;
 			debug_cond(DEBUG_LL_STATE, "announce/%u %s@%pI4\n",
 					nclaims, eth_get_name(), &ip);
-			arp_raw_request(ip, NetOurEther, ip);
+			arp_raw_request(ip, net_ethaddr, ip);
 			timeout_ms = ANNOUNCE_INTERVAL * 1000;
 		} else {
 			/* Switch to monitor state */
@@ -268,11 +268,9 @@
 	source_ip_conflict = 0;
 	target_ip_conflict = 0;
 
-	if (memcmp(&arp->ar_spa, &ip, ARP_PLEN) == 0
-	 && memcmp(&arp->ar_sha, NetOurEther, ARP_HLEN) != 0
-	) {
+	if (memcmp(&arp->ar_spa, &ip, ARP_PLEN) == 0 &&
+	    memcmp(&arp->ar_sha, net_ethaddr, ARP_HLEN) != 0)
 		source_ip_conflict = 1;
-	}
 
 	/*
 	 * According to RFC 3927, section 2.2.1:
@@ -284,7 +282,7 @@
 	if (arp->ar_op == htons(ARPOP_REQUEST) &&
 	    memcmp(&arp->ar_spa, &null_ip, ARP_PLEN) == 0 &&
 	    memcmp(&arp->ar_tpa, &ip, ARP_PLEN) == 0 &&
-	    memcmp(&arp->ar_sha, NetOurEther, ARP_HLEN) != 0) {
+	    memcmp(&arp->ar_sha, net_ethaddr, ARP_HLEN) != 0) {
 		target_ip_conflict = 1;
 	}
 
@@ -318,7 +316,7 @@
 			debug("monitor conflict -- defending\n");
 			state = DEFEND;
 			timeout_ms = DEFEND_INTERVAL * 1000;
-			arp_raw_request(ip, NetOurEther, ip);
+			arp_raw_request(ip, net_ethaddr, ip);
 		}
 		break;
 	case DEFEND:
diff --git a/net/net.c b/net/net.c
index bfa326e..6db2b9c 100644
--- a/net/net.c
+++ b/net/net.c
@@ -129,9 +129,9 @@
 /** END OF BOOTP EXTENTIONS **/
 
 /* Our ethernet address */
-uchar		NetOurEther[6];
+u8 net_ethaddr[6];
 /* Boot server enet address */
-uchar		NetServerEther[6];
+u8 net_server_ethaddr[6];
 /* Our IP addr (0 = unknown) */
 struct in_addr	net_ip;
 /* Server IP addr (0 = unknown) */
@@ -143,8 +143,8 @@
 /* IP packet ID */
 unsigned	NetIPID;
 /* Ethernet bcast address */
-uchar		NetBcastAddr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
-uchar		NetEtherNullAddr[6];
+const u8 net_bcast_ethaddr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+const u8 net_null_ethaddr[6];
 #ifdef CONFIG_API
 void		(*push_packet)(void *, int len) = 0;
 #endif
@@ -274,7 +274,7 @@
 		env_changed_id = env_id;
 	}
 	if (eth_get_dev())
-		memcpy(NetOurEther, eth_get_ethaddr(), 6);
+		memcpy(net_ethaddr, eth_get_ethaddr(), 6);
 
 	return;
 }
@@ -728,7 +728,7 @@
 
 	/* if broadcast, make the ether address a broadcast and don't do ARP */
 	if (dest.s_addr == 0xFFFFFFFF)
-		ether = NetBcastAddr;
+		ether = (uchar *)net_bcast_ethaddr;
 
 	pkt = (uchar *)NetTxPacket;
 
@@ -738,7 +738,7 @@
 	pkt_hdr_size = eth_hdr_size + IP_UDP_HDR_SIZE;
 
 	/* if MAC address was not discovered yet, do an ARP request */
-	if (memcmp(ether, NetEtherNullAddr, 6) == 0) {
+	if (memcmp(ether, net_null_ethaddr, 6) == 0) {
 		debug_cond(DEBUG_DEV_PKT, "sending ARP for %pI4\n", &dest);
 
 		/* save the ip and eth addr for the packet to send after arp */
@@ -1279,7 +1279,7 @@
 	case CDP:
 	case DHCP:
 	case LINKLOCAL:
-		if (memcmp(NetOurEther, "\0\0\0\0\0\0", 6) == 0) {
+		if (memcmp(net_ethaddr, "\0\0\0\0\0\0", 6) == 0) {
 			int num = eth_get_dev_index();
 
 			switch (num) {
@@ -1320,7 +1320,7 @@
 }
 
 int
-NetSetEther(uchar *xet, uchar * addr, uint prot)
+NetSetEther(uchar *xet, const uchar *dest_ethaddr, uint prot)
 {
 	struct ethernet_hdr *et = (struct ethernet_hdr *)xet;
 	ushort myvlanid;
@@ -1329,8 +1329,8 @@
 	if (myvlanid == (ushort)-1)
 		myvlanid = VLAN_NONE;
 
-	memcpy(et->et_dest, addr, 6);
-	memcpy(et->et_src, NetOurEther, 6);
+	memcpy(et->et_dest, dest_ethaddr, 6);
+	memcpy(et->et_src, net_ethaddr, 6);
 	if ((myvlanid & VLAN_IDMASK) == VLAN_NONE) {
 		et->et_protlen = htons(prot);
 		return ETHER_HDR_SIZE;
@@ -1350,7 +1350,7 @@
 	ushort protlen;
 
 	memcpy(et->et_dest, addr, 6);
-	memcpy(et->et_src, NetOurEther, 6);
+	memcpy(et->et_src, net_ethaddr, 6);
 	protlen = ntohs(et->et_protlen);
 	if (protlen == PROT_VLAN) {
 		struct vlan_ethernet_hdr *vet =
diff --git a/net/nfs.c b/net/nfs.c
index 1e5c1c3..23a9cc3 100644
--- a/net/nfs.c
+++ b/net/nfs.c
@@ -211,7 +211,7 @@
 	else
 		sport = NfsSrvNfsPort;
 
-	NetSendUDPPacket(NetServerEther, nfs_server_ip, sport, NfsOurPort,
+	NetSendUDPPacket(net_server_ethaddr, nfs_server_ip, sport, NfsOurPort,
 			 pktlen);
 }
 
@@ -788,7 +788,7 @@
 	NfsOurPort = 1000;
 
 	/* zero out server ether in case the server ip has changed */
-	memset(NetServerEther, 0, 6);
+	memset(net_server_ethaddr, 0, 6);
 
 	NfsSend();
 }
diff --git a/net/ping.c b/net/ping.c
index 4918a1c..e4e3086 100644
--- a/net/ping.c
+++ b/net/ping.c
@@ -50,7 +50,7 @@
 
 	net_arp_wait_packet_ip = net_ping_ip;
 
-	eth_hdr_size = NetSetEther(NetTxPacket, NetEtherNullAddr, PROT_IP);
+	eth_hdr_size = NetSetEther(NetTxPacket, net_null_ethaddr, PROT_IP);
 	pkt = (uchar *)NetTxPacket + eth_hdr_size;
 
 	set_icmp_header(pkt, net_ping_ip);
diff --git a/net/rarp.c b/net/rarp.c
index 3e1c74c..2f5c104 100644
--- a/net/rarp.c
+++ b/net/rarp.c
@@ -46,7 +46,7 @@
 		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);
+		memcpy(net_server_ethaddr, &arp->ar_data[0], 6);
 		debug_cond(DEBUG_DEV_PKT, "Got good RARP\n");
 		net_auto_load();
 	}
@@ -77,7 +77,7 @@
 	printf("RARP broadcast %d\n", ++RarpTry);
 	pkt = NetTxPacket;
 
-	eth_hdr_size = NetSetEther(pkt, NetBcastAddr, PROT_RARP);
+	eth_hdr_size = NetSetEther(pkt, net_bcast_ethaddr, PROT_RARP);
 	pkt += eth_hdr_size;
 
 	rarp = (struct arp_hdr *)pkt;
@@ -87,10 +87,10 @@
 	rarp->ar_hln = 6;
 	rarp->ar_pln = 4;
 	rarp->ar_op  = htons(RARPOP_REQUEST);
-	memcpy(&rarp->ar_data[0],  NetOurEther, 6);	/* source ET addr */
+	memcpy(&rarp->ar_data[0],  net_ethaddr, 6);	/* source ET 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);
+	memcpy(&rarp->ar_data[10], net_ethaddr, 6);
 	/* dest IP addr set to broadcast */
 	memset(&rarp->ar_data[16], 0xff,        4);
 
diff --git a/net/sntp.c b/net/sntp.c
index 3e45a83..b99aa3e 100644
--- a/net/sntp.c
+++ b/net/sntp.c
@@ -37,7 +37,7 @@
 	SntpOurPort = 10000 + (get_timer(0) % 4096);
 	sport = NTP_SERVICE_PORT;
 
-	NetSendUDPPacket(NetServerEther, net_ntp_server, sport, SntpOurPort,
+	NetSendUDPPacket(net_server_ethaddr, net_ntp_server, sport, SntpOurPort,
 			 pktlen);
 }
 
@@ -85,7 +85,7 @@
 
 	NetSetTimeout(SNTP_TIMEOUT, SntpTimeout);
 	net_set_udp_handler(sntp_handler);
-	memset(NetServerEther, 0, sizeof(NetServerEther));
+	memset(net_server_ethaddr, 0, sizeof(net_server_ethaddr));
 
 	SntpSend();
 }
diff --git a/net/tftp.c b/net/tftp.c
index bafc354..8ddc7be 100644
--- a/net/tftp.c
+++ b/net/tftp.c
@@ -435,7 +435,7 @@
 		break;
 	}
 
-	NetSendUDPPacket(NetServerEther, tftp_remote_ip, TftpRemotePort,
+	NetSendUDPPacket(net_server_ethaddr, tftp_remote_ip, TftpRemotePort,
 			 TftpOurPort, len);
 }
 
@@ -816,7 +816,7 @@
 	TftpBlock = 0;
 
 	/* zero out server ether in case the server ip has changed */
-	memset(NetServerEther, 0, 6);
+	memset(net_server_ethaddr, 0, 6);
 	/* Revert TftpBlkSize to dflt */
 	TftpBlkSize = TFTP_BLOCK_SIZE;
 #ifdef CONFIG_MCAST_TFTP
@@ -861,7 +861,7 @@
 	net_set_udp_handler(tftp_handler);
 
 	/* zero out server ether in case the server ip has changed */
-	memset(NetServerEther, 0, 6);
+	memset(net_server_ethaddr, 0, 6);
 }
 #endif /* CONFIG_CMD_TFTPSRV */