cfg80211: let SME control reassociation vs. association

Since we don't really know that well in the kernel,
let's let the SME control whether it wants to use
reassociation or not, by allowing it to give the
previous BSSID in the associate() parameters.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 412161f7b08e..066a19ef9d73 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -125,8 +125,14 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
         case CFG80211_CONN_ASSOCIATE_NEXT:
                 BUG_ON(!drv->ops->assoc);
                 wdev->conn->state = CFG80211_CONN_ASSOCIATING;
+                /*
+                 * We could, later, implement roaming here and then actually
+                 * set prev_bssid to non-NULL. But then we need to be aware
+                 * that some APs don't like that -- so we'd need to retry
+                 * the association.
+                 */
                 err = cfg80211_mlme_assoc(drv, wdev->netdev,
-                                          params->channel, params->bssid,
+                                          params->channel, params->bssid, NULL,
                                           params->ssid, params->ssid_len,
                                           params->ie, params->ie_len,
                                           false, &params->crypto);