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Note a defect in 802.11 Duration field calculations.

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This commit is contained in:
dyoung 2008-06-19 23:13:10 +00:00
parent 13a3f67856
commit 36a64e2edd
1 changed files with 5 additions and 3 deletions
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8
sys/net80211/ieee80211_output.c
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@ -1,4 +1,4 @@
/* $NetBSD: ieee80211_output.c,v 1.47 2007/03/04 06:03:19 christos Exp $ */
/* $NetBSD: ieee80211_output.c,v 1.48 2008/06/19 23:13:10 dyoung Exp $ */
/*-
* Copyright (c) 2001 Atsushi Onoe
* Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
@ -36,7 +36,7 @@
__FBSDID("$FreeBSD: src/sys/net80211/ieee80211_output.c,v 1.34 2005/08/10 16:22:29 sam Exp $");
#endif
#ifdef __NetBSD__
__KERNEL_RCSID(0, "$NetBSD: ieee80211_output.c,v 1.47 2007/03/04 06:03:19 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: ieee80211_output.c,v 1.48 2008/06/19 23:13:10 dyoung Exp $");
#endif
#include "opt_inet.h"
@ -716,7 +716,9 @@ ieee80211_compute_duration1(int len, int use_ack, uint32_t icflags, int rate,
int ack, bitlen, data_dur, remainder;
/* RTS reserves medium for SIFS | CTS | SIFS | (DATA) | SIFS | ACK
* DATA reserves medium for SIFS | ACK
* DATA reserves medium for SIFS | ACK,
*
* (XXX or SIFS | ACK | SIFS | DATA | SIFS | ACK, if more fragments)
*
* XXXMYC: no ACK on multicast/broadcast or control packets
*/