[PATCH 11/15] brcmsmac: react on changing SSID

[Hauke Mehrtens <hauke@xxxxxxxxxx>]

To send the correct probe response the hardware needs to know the SSID
when it changed.

Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
 drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c |    6 ++++++
 drivers/net/wireless/brcm80211/brcmsmac/main.c        |    9 +++++++++
 drivers/net/wireless/brcm80211/brcmsmac/pub.h         |    2 ++
 3 files changed, 17 insertions(+)

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index 591e262..1d0d0f6 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -521,6 +521,12 @@ brcms_ops_bss_info_changed(struct ieee80211_hw *hw,
 		brcms_c_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, info->bssid);
 		spin_unlock_bh(&wl->lock);
 	}
+	if (changed & BSS_CHANGED_SSID) {
+		/* BSSID changed, for whatever reason (IBSS and managed mode) */
+		spin_lock_bh(&wl->lock);
+		brcms_c_set_ssid(wl->wlc, info->ssid, info->ssid_len);
+		spin_unlock_bh(&wl->lock);
+	}
 	if (changed & BSS_CHANGED_BEACON) {
 		/* Beacon data changed, retrieve new beacon (beaconing modes) */
 		struct sk_buff *beacon;
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c
index 60dc2c4..cf11d894 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -3783,6 +3783,15 @@ static void brcms_c_set_bssid(struct brcms_bss_cfg *bsscfg)
 	brcms_c_set_addrmatch(bsscfg->wlc, RCM_BSSID_OFFSET, bsscfg->BSSID);
 }
 
+void brcms_c_set_ssid(struct brcms_c_info *wlc, u8 *ssid, size_t ssid_len)
+{
+	u8 len = min_t(u8, sizeof(wlc->bsscfg->SSID), ssid_len);
+	memset(wlc->bsscfg->SSID, 0, sizeof(wlc->bsscfg->SSID));
+
+	memcpy(wlc->bsscfg->SSID, ssid, len);
+	wlc->bsscfg->SSID_len = len;
+}
+
 static void brcms_b_set_shortslot(struct brcms_hardware *wlc_hw, bool shortslot)
 {
 	wlc_hw->shortslot = shortslot;
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/pub.h b/drivers/net/wireless/brcm80211/brcmsmac/pub.h
index 8a3071f..6ed0a20 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/pub.h
+++ b/drivers/net/wireless/brcm80211/brcmsmac/pub.h
@@ -336,5 +336,7 @@ extern void brcms_c_update_beacon(struct brcms_c_info *wlc);
 extern void brcms_c_set_new_beacon(struct brcms_c_info *wlc,
 				   struct sk_buff *beacon, u16 tim_offset,
 				   u16 dtim_period);
+extern void brcms_c_set_ssid(struct brcms_c_info *wlc, u8 *ssid,
+			     size_t ssid_len);
 
 #endif				/* _BRCM_PUB_H_ */
-- 
1.7.10.4

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