This is nicer than the MAC_FMT stuff. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
		
			
				
	
	
		
			43 lines
		
	
	
	
		
			1.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
	
		
			1.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright 2007	Johannes Berg <johannes@sipsolutions.net>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License version 2 as
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 * published by the Free Software Foundation.
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 *
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 * mac80211 - events
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 */
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#include <linux/netdevice.h>
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#include <net/iw_handler.h>
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#include "ieee80211_i.h"
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/*
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 * indicate a failed Michael MIC to userspace; the passed packet
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 * (in the variable hdr) must be long enough to extract the TKIP
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 * fields like TSC
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 */
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void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx,
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				     struct ieee80211_hdr *hdr)
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{
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	union iwreq_data wrqu;
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	char *buf = kmalloc(128, GFP_ATOMIC);
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	DECLARE_MAC_BUF(mac);
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	if (buf) {
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		/* TODO: needed parameters: count, key type, TSC */
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		sprintf(buf, "MLME-MICHAELMICFAILURE.indication("
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			"keyid=%d %scast addr=%s)",
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			keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni",
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			print_mac(mac, hdr->addr2));
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		memset(&wrqu, 0, sizeof(wrqu));
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		wrqu.data.length = strlen(buf);
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		wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
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		kfree(buf);
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	}
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	/*
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	 * TODO: re-add support for sending MIC failure indication
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	 * with all info via nl80211
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	 */
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}
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