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mac80211: Give it some time to do the TSF sync

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Give slow hardware some time to do the TSF sync, to not run into an
IBSS merging endless loop in some rarely situations.

Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Alina Friedrichsen 2009-02-22 18:19:33 +01:00 committed by John W. Linville
parent 34e8f08231
commit 4a332a385a
1 changed files with 5 additions and 0 deletions
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5
net/mac80211/ibss.c
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@ -29,6 +29,7 @@
#define IEEE80211_IBSS_JOIN_TIMEOUT (7 * HZ)
#define IEEE80211_IBSS_MERGE_INTERVAL (30 * HZ)
#define IEEE80211_IBSS_MERGE_DELAY 0x400000
#define IEEE80211_IBSS_INACTIVITY_LIMIT (60 * HZ)
#define IEEE80211_IBSS_MAX_STA_ENTRIES 128
@ -336,6 +337,10 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
jiffies);
#endif
/* give slow hardware some time to do the TSF sync */
if (rx_timestamp < IEEE80211_IBSS_MERGE_DELAY)
goto put_bss;
if (beacon_timestamp > rx_timestamp) {
#ifdef CONFIG_MAC80211_IBSS_DEBUG
printk(KERN_DEBUG "%s: beacon TSF higher than "