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mac80211: Give it some time to do the TSF sync 

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
View File

@ -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 "