On Thu, 2009-03-19 at 13:39 +0200, Jouni Malinen wrote:
> plain text document attachment (mac80211-reassoc-fix.patch)
> We must not clear the previous BSSID when roaming to another AP within
> the same ESS for reassociation to be used properly. It is fine to
> clear this when the SSID changes, so let's move the code into
> ieee80211_sta_set_ssid().
>
> Signed-off-by: Jouni Malinen <jouni.malinen@xxxxxxxxxxx>
Acked-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
> ---
> net/mac80211/mlme.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> --- uml.orig/net/mac80211/mlme.c 2009-03-19 00:20:04.000000000 +0200
> +++ uml/net/mac80211/mlme.c 2009-03-19 00:20:52.000000000 +0200
> @@ -1888,8 +1888,6 @@ int ieee80211_sta_commit(struct ieee8021
> {
> struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
>
> - ifmgd->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
> -
> if (ifmgd->ssid_len)
> ifmgd->flags |= IEEE80211_STA_SSID_SET;
> else
> @@ -1908,6 +1906,10 @@ int ieee80211_sta_set_ssid(struct ieee80
> ifmgd = &sdata->u.mgd;
>
> if (ifmgd->ssid_len != len || memcmp(ifmgd->ssid, ssid, len) != 0) {
> + /*
> + * Do not use reassociation if SSID is changed (different ESS).
> + */
> + ifmgd->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
> memset(ifmgd->ssid, 0, sizeof(ifmgd->ssid));
> memcpy(ifmgd->ssid, ssid, len);
> ifmgd->ssid_len = len;
>
> --
>
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