diff -Naur linux-2.6.22.1/Documentation/networking/README.ipw2100 linux-2.6.22.1-rndmac/Documentation/networking/README.ipw2100
--- linux-2.6.22.1/Documentation/networking/README.ipw2100	2007-07-10 11:56:30.000000000 -0700
+++ linux-2.6.22.1-rndmac/Documentation/networking/README.ipw2100	2007-10-22 15:20:07.000000000 -0700
@@ -126,6 +126,7 @@
 channel		int		channel=3 /* Only valid in AdHoc or Monitor */
 associate	boolean		associate=0 /* Do NOT auto associate */
 disable		boolean		disable=1 /* Do not power the HW */
+rndmac	0,1	rndmac=1	/* Randomize MAC Address */
 
 
 4. Sysfs Helper Files
diff -Naur linux-2.6.22.1/drivers/net/wireless/ipw2100.c linux-2.6.22.1-rndmac/drivers/net/wireless/ipw2100.c
--- linux-2.6.22.1/drivers/net/wireless/ipw2100.c	2007-07-10 11:56:30.000000000 -0700
+++ linux-2.6.22.1-rndmac/drivers/net/wireless/ipw2100.c	2007-10-22 13:02:14.000000000 -0700
@@ -185,6 +185,7 @@
 
 static int debug = 0;
 static int mode = 0;
+static int rndmac = 0;
 static int channel = 0;
 static int associate = 1;
 static int disable = 0;
@@ -198,12 +199,14 @@
 module_param(channel, int, 0444);
 module_param(associate, int, 0444);
 module_param(disable, int, 0444);
+module_param(rndmac, int, 0644);
 
 MODULE_PARM_DESC(debug, "debug level");
 MODULE_PARM_DESC(mode, "network mode (0=BSS,1=IBSS,2=Monitor)");
 MODULE_PARM_DESC(channel, "channel");
 MODULE_PARM_DESC(associate, "auto associate when scanning (default on)");
 MODULE_PARM_DESC(disable, "manually disable the radio (default 0 [radio on])");
+MODULE_PARM_DESC(rndmac, "randomize mac on associate (default 0 off)");
 
 static u32 ipw2100_debug_level = IPW_DL_NONE;
 
@@ -4659,6 +4662,17 @@
 		IPW_DEBUG_INFO("MAC address read failed\n");
 		return -EIO;
 	}
+
+	// Add MAC randomization support, gimped from: [ http://code.kryo.se/linux/ ]
+	// Ported to ipw2100 by vector <vector@deepgroove.org>
+	if(rndmac) {
+		get_random_bytes(mac, ETH_ALEN);
+		memcpy(mac, priv->bssid, 3);
+
+		priv->config |= CFG_CUSTOM_MAC;
+		memcpy(priv->mac_addr, mac, ETH_ALEN);
+	}
+
 	IPW_DEBUG_INFO("card MAC is %02X:%02X:%02X:%02X:%02X:%02X\n",
 		       mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);