Merge remote branch 'wireless-next/master' into ath6kl-next
[cascardo/linux.git] / drivers / net / wireless / ath / ath6kl / cfg80211.c
index f27e973..fd7dbd4 100644 (file)
 
 #define DEFAULT_BG_SCAN_PERIOD 60
 
+struct ath6kl_cfg80211_match_probe_ssid {
+       struct cfg80211_ssid ssid;
+       u8 flag;
+};
+
 static struct ieee80211_rate ath6kl_rates[] = {
        RATETAB_ENT(10, 0x1, 0),
        RATETAB_ENT(20, 0x2, 0),
@@ -576,6 +581,9 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
 
        vif->nw_type = vif->next_mode;
 
+       /* enable enhanced bmiss detection if applicable */
+       ath6kl_cfg80211_sta_bmiss_enhance(vif, true);
+
        if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)
                nw_subtype = SUBTYPE_P2PCLIENT;
 
@@ -852,20 +860,6 @@ void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
                }
        }
 
-       /*
-        * Send a disconnect command to target when a disconnect event is
-        * received with reason code other than 3 (DISCONNECT_CMD - disconnect
-        * request from host) to make the firmware stop trying to connect even
-        * after giving disconnect event. There will be one more disconnect
-        * event for this disconnect command with reason code DISCONNECT_CMD
-        * which will be notified to cfg80211.
-        */
-
-       if (reason != DISCONNECT_CMD) {
-               ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
-               return;
-       }
-
        clear_bit(CONNECT_PEND, &vif->flags);
 
        if (vif->sme_state == SME_CONNECTING) {
@@ -875,32 +869,96 @@ void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
                                        WLAN_STATUS_UNSPECIFIED_FAILURE,
                                        GFP_KERNEL);
        } else if (vif->sme_state == SME_CONNECTED) {
-               cfg80211_disconnected(vif->ndev, reason,
+               cfg80211_disconnected(vif->ndev, proto_reason,
                                      NULL, 0, GFP_KERNEL);
        }
 
        vif->sme_state = SME_DISCONNECTED;
+
+       /*
+        * Send a disconnect command to target when a disconnect event is
+        * received with reason code other than 3 (DISCONNECT_CMD - disconnect
+        * request from host) to make the firmware stop trying to connect even
+        * after giving disconnect event. There will be one more disconnect
+        * event for this disconnect command with reason code DISCONNECT_CMD
+        * which won't be notified to cfg80211.
+        */
+       if (reason != DISCONNECT_CMD)
+               ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
 }
 
 static int ath6kl_set_probed_ssids(struct ath6kl *ar,
                                   struct ath6kl_vif *vif,
-                                  struct cfg80211_ssid *ssids, int n_ssids)
+                                  struct cfg80211_ssid *ssids, int n_ssids,
+                                  struct cfg80211_match_set *match_set,
+                                  int n_match_ssid)
 {
-       u8 i;
+       u8 i, j, index_to_add, ssid_found = false;
+       struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS];
+
+       memset(ssid_list, 0, sizeof(ssid_list));
 
-       if (n_ssids > MAX_PROBED_SSID_INDEX)
+       if (n_ssids > MAX_PROBED_SSIDS ||
+           n_match_ssid > MAX_PROBED_SSIDS)
                return -EINVAL;
 
        for (i = 0; i < n_ssids; i++) {
+               memcpy(ssid_list[i].ssid.ssid,
+                      ssids[i].ssid,
+                      ssids[i].ssid_len);
+               ssid_list[i].ssid.ssid_len = ssids[i].ssid_len;
+
+               if (ssids[i].ssid_len)
+                       ssid_list[i].flag = SPECIFIC_SSID_FLAG;
+               else
+                       ssid_list[i].flag = ANY_SSID_FLAG;
+
+               if (n_match_ssid == 0)
+                       ssid_list[i].flag |= MATCH_SSID_FLAG;
+       }
+
+       index_to_add = i;
+
+       for (i = 0; i < n_match_ssid; i++) {
+               ssid_found = false;
+
+               for (j = 0; j < n_ssids; j++) {
+                       if ((match_set[i].ssid.ssid_len ==
+                            ssid_list[j].ssid.ssid_len) &&
+                           (!memcmp(ssid_list[j].ssid.ssid,
+                                    match_set[i].ssid.ssid,
+                                    match_set[i].ssid.ssid_len))) {
+                               ssid_list[j].flag |= MATCH_SSID_FLAG;
+                               ssid_found = true;
+                               break;
+                       }
+               }
+
+               if (ssid_found)
+                       continue;
+
+               if (index_to_add >= MAX_PROBED_SSIDS)
+                       continue;
+
+               ssid_list[index_to_add].ssid.ssid_len =
+                       match_set[i].ssid.ssid_len;
+               memcpy(ssid_list[index_to_add].ssid.ssid,
+                      match_set[i].ssid.ssid,
+                      match_set[i].ssid.ssid_len);
+               ssid_list[index_to_add].flag |= MATCH_SSID_FLAG;
+               index_to_add++;
+       }
+
+       for (i = 0; i < index_to_add; i++) {
                ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
-                                         ssids[i].ssid_len ?
-                                         SPECIFIC_SSID_FLAG : ANY_SSID_FLAG,
-                                         ssids[i].ssid_len,
-                                         ssids[i].ssid);
+                                         ssid_list[i].flag,
+                                         ssid_list[i].ssid.ssid_len,
+                                         ssid_list[i].ssid.ssid);
+
        }
 
        /* Make sure no old entries are left behind */
-       for (i = n_ssids; i < MAX_PROBED_SSID_INDEX; i++) {
+       for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) {
                ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
                                          DISABLE_SSID_FLAG, 0, NULL);
        }
@@ -934,7 +992,7 @@ static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
        }
 
        ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
-                                     request->n_ssids);
+                                     request->n_ssids, NULL, 0);
        if (ret < 0)
                return ret;
 
@@ -943,7 +1001,7 @@ static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
                                       WMI_FRAME_PROBE_REQ,
                                       request->ie, request->ie_len);
        if (ret) {
-               ath6kl_err("failed to set Probe Request appie for scan");
+               ath6kl_err("failed to set Probe Request appie for scan\n");
                return ret;
        }
 
@@ -1512,6 +1570,9 @@ static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
                }
        }
 
+       /* need to clean up enhanced bmiss detection fw state */
+       ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
+
 set_iface_type:
        switch (type) {
        case NL80211_IFTYPE_STATION:
@@ -2074,7 +2135,9 @@ static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
        if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
                return -EINVAL;
 
-       if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags)) {
+       if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) &&
+           test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
+                    ar->fw_capabilities)) {
                ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
                                                vif->fw_vif_idx, false);
                if (ret)
@@ -2209,7 +2272,9 @@ static int ath6kl_wow_resume(struct ath6kl *ar)
 
        ar->state = ATH6KL_STATE_ON;
 
-       if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags)) {
+       if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) &&
+           test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
+                    ar->fw_capabilities)) {
                ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
                                        vif->fw_vif_idx, true);
                if (ret)
@@ -2475,7 +2540,7 @@ void ath6kl_check_wow_status(struct ath6kl *ar)
 static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band,
                            bool ht_enable)
 {
-       struct ath6kl_htcap *htcap = &vif->htcap;
+       struct ath6kl_htcap *htcap = &vif->htcap[band];
 
        if (htcap->ht_enable == ht_enable)
                return 0;
@@ -2585,6 +2650,30 @@ static int ath6kl_set_ies(struct ath6kl_vif *vif,
        return 0;
 }
 
+void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, bool enable)
+{
+       int err;
+
+       if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag)))
+               return;
+
+       if (vif->nw_type != INFRA_NETWORK)
+               return;
+
+       if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE,
+                     vif->ar->fw_capabilities))
+               return;
+
+       ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n",
+                  enable ? "enable" : "disable");
+
+       err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi,
+                                              vif->fw_vif_idx, enable);
+       if (err)
+               ath6kl_err("failed to %s enhanced bmiss detection: %d\n",
+                          enable ? "enable" : "disable", err);
+}
+
 static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
                                u8 *rsn_capab)
 {
@@ -2665,9 +2754,15 @@ static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
 
        /* TODO:
         * info->interval
-        * info->dtim_period
         */
 
+       ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx,
+                                        info->dtim_period);
+
+       /* ignore error, just print a warning and continue normally */
+       if (ret)
+               ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret);
+
        if (info->beacon.head == NULL)
                return -EINVAL;
        mgmt = (struct ieee80211_mgmt *) info->beacon.head;
@@ -3131,10 +3226,24 @@ static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
        ath6kl_cfg80211_scan_complete_event(vif, true);
 
        ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
-                                     request->n_ssids);
+                                     request->n_ssids,
+                                     request->match_sets,
+                                     request->n_match_sets);
        if (ret < 0)
                return ret;
 
+       if (!request->n_match_sets) {
+               ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
+                                              ALL_BSS_FILTER, 0);
+               if (ret < 0)
+                       return ret;
+       } else {
+                ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
+                                               MATCHED_SSID_FILTER, 0);
+               if (ret < 0)
+                       return ret;
+       }
+
        /* fw uses seconds, also make sure that it's >0 */
        interval = max_t(u16, 1, request->interval / 1000);
 
@@ -3156,7 +3265,7 @@ static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
                                       WMI_FRAME_PROBE_REQ,
                                       request->ie, request->ie_len);
        if (ret) {
-               ath6kl_warn("Failed to set probe request IE for scheduled scan: %d",
+               ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
                            ret);
                return ret;
        }
@@ -3188,6 +3297,18 @@ static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
        return 0;
 }
 
+static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy,
+                                      struct net_device *dev,
+                                      const u8 *addr,
+                                      const struct cfg80211_bitrate_mask *mask)
+{
+       struct ath6kl *ar = ath6kl_priv(dev);
+       struct ath6kl_vif *vif = netdev_priv(dev);
+
+       return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx,
+                                          mask);
+}
+
 static const struct ieee80211_txrx_stypes
 ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
        [NL80211_IFTYPE_STATION] = {
@@ -3253,6 +3374,7 @@ static struct cfg80211_ops ath6kl_cfg80211_ops = {
        .mgmt_frame_register = ath6kl_mgmt_frame_register,
        .sched_scan_start = ath6kl_cfg80211_sscan_start,
        .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
+       .set_bitrate_mask = ath6kl_cfg80211_set_bitrate,
 };
 
 void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
@@ -3380,7 +3502,8 @@ struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
        vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
        vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
        vif->bg_scan_period = 0;
-       vif->htcap.ht_enable = true;
+       vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true;
+       vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true;
 
        memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
        if (fw_vif_idx != 0)
@@ -3440,7 +3563,13 @@ int ath6kl_cfg80211_init(struct ath6kl *ar)
        }
 
        /* max num of ssids that can be probed during scanning */
-       wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX;
+       wiphy->max_scan_ssids = MAX_PROBED_SSIDS;
+
+       /* max num of ssids that can be matched after scan */
+       if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
+                    ar->fw_capabilities))
+               wiphy->max_match_sets = MAX_PROBED_SSIDS;
+
        wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
        switch (ar->hw.cap) {
        case WMI_11AN_CAP:
@@ -3477,6 +3606,17 @@ int ath6kl_cfg80211_init(struct ath6kl *ar)
                ath6kl_band_5ghz.ht_cap.cap = 0;
                ath6kl_band_5ghz.ht_cap.ht_supported = false;
        }
+
+       if (ar->hw.flags & ATH6KL_HW_FLAG_64BIT_RATES) {
+               ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
+               ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
+               ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
+               ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff;
+       } else {
+               ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
+               ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
+       }
+
        if (band_2gig)
                wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
        if (band_5gig)
@@ -3497,7 +3637,7 @@ int ath6kl_cfg80211_init(struct ath6kl *ar)
        wiphy->wowlan.pattern_min_len = 1;
        wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE;
 
-       wiphy->max_sched_scan_ssids = MAX_PROBED_SSID_INDEX;
+       wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS;
 
        ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
                            WIPHY_FLAG_HAVE_AP_SME |