Roaming problems

Johannes Berg johannes at sipsolutions.net
Wed Apr 23 07:12:42 EDT 2008


> The below patch makes sure that we drop the BSSID when we disassociate.

> --- a/ieee80211_sta.c	Wed Apr 23 10:14:30 2008
> +++ b/ieee80211_sta.c	Wed Apr 23 08:41:23 2008
> @@ -479,6 +479,9 @@ static void ieee80211_set_associated(str
>  		netif_carrier_off(dev);
>  		ieee80211_reset_erp_info(dev);
>  		memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
> +
> +		// make sure no association start before we got a new BSSID
> +		ifsta->flags &= ~IEEE80211_STA_BSSID_SET;

I don't think that patch makes sense, after all, userspace could request
to disassociate and afterwards re-request to associate by setting the
SSID and not setting the BSSID again, which would lose the fixed BSSID
without userspace interaction.

However, I'm not sure how to fix this.

johannes
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