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Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/ieee80211_i.h1
-rw-r--r--net/mac80211/mlme.c1
-rw-r--r--net/mac80211/work.c24
3 files changed, 26 insertions, 0 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 2f0642d9e15..e65ee7f6244 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -330,6 +330,7 @@ struct ieee80211_work {
u8 key_len, key_idx;
bool privacy;
bool synced;
+ struct cfg80211_bss *bss;
} probe_auth;
struct {
struct cfg80211_bss *bss;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 295be92f7c7..f24430b66ee 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2502,6 +2502,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
wk->probe_auth.algorithm = auth_alg;
wk->probe_auth.privacy = req->bss->capability & WLAN_CAPABILITY_PRIVACY;
+ wk->probe_auth.bss = req->bss;
/* if we already have a probe, don't probe again */
if (req->bss->proberesp_ies)
diff --git a/net/mac80211/work.c b/net/mac80211/work.c
index c6dd01a0529..290ddbb4d1d 100644
--- a/net/mac80211/work.c
+++ b/net/mac80211/work.c
@@ -454,6 +454,30 @@ ieee80211_authenticate(struct ieee80211_work *wk)
struct ieee80211_sub_if_data *sdata = wk->sdata;
struct ieee80211_local *local = sdata->local;
+ /* HACK!!! cw1200 device requires SSID to be available at AUTH stage.
+ * cfg80211 beacon cache is designed to handle multi-SSID BSSes, so
+ * bss struct returned by cfg80211_get_bss() has random SSID if BSS
+ * just changed SSID before authentication (typical for p2p).
+ * This is a firmware design fault, however as a workaround cfg80211
+ * beacon cache is purged to make sure target BSS is searchable
+ * in rb-tree at the AUTH stage.
+ */
+ struct cfg80211_bss *bss;
+ while (true) {
+ bss = cfg80211_get_bss(local->hw.wiphy,
+ wk->probe_auth.bss->channel,
+ wk->probe_auth.bss->bssid,
+ NULL, 0, 0, 0);
+ if (WARN_ON(!bss))
+ break;
+ if (bss == wk->probe_auth.bss) {
+ cfg80211_put_bss(bss);
+ break;
+ }
+ cfg80211_unlink_bss(local->hw.wiphy, bss);
+ }
+ /* End of the hack */
+
if (!wk->probe_auth.synced) {
int ret = drv_tx_sync(local, sdata, wk->filter_ta,
IEEE80211_TX_SYNC_AUTH);