ath10k: clean up assoc code
authorMichal Kazior <michal.kazior@tieto.com>
Tue, 21 Oct 2014 07:10:29 +0000 (10:10 +0300)
committerKalle Valo <kvalo@qca.qualcomm.com>
Tue, 21 Oct 2014 07:32:31 +0000 (10:32 +0300)
There's no need to pass bss_conf explicitly as it
is accessible via vif pointer. This requires
slight changes in function prototypes. While at it
clean up listen interval workaround/command.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
drivers/net/wireless/ath/ath10k/mac.c

index b2bd80c4f72c6a9672518b0f9bd0cd35712b07a2..39c4029d9219fd71168305c454182bc47ab395e6 100644 (file)
@@ -1060,51 +1060,45 @@ static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif)
 /* Station management */
 /**********************/
 
+static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar,
+                                            struct ieee80211_vif *vif)
+{
+       /* Some firmware revisions have unstable STA powersave when listen
+        * interval is set too high (e.g. 5). The symptoms are firmware doesn't
+        * generate NullFunc frames properly even if buffered frames have been
+        * indicated in Beacon TIM. Firmware would seldom wake up to pull
+        * buffered frames. Often pinging the device from AP would simply fail.
+        *
+        * As a workaround set it to 1.
+        */
+       if (vif->type == NL80211_IFTYPE_STATION)
+               return 1;
+
+       return ar->hw->conf.listen_interval;
+}
+
 static void ath10k_peer_assoc_h_basic(struct ath10k *ar,
-                                     struct ath10k_vif *arvif,
+                                     struct ieee80211_vif *vif,
                                      struct ieee80211_sta *sta,
-                                     struct ieee80211_bss_conf *bss_conf,
                                      struct wmi_peer_assoc_complete_arg *arg)
 {
+       struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
+
        lockdep_assert_held(&ar->conf_mutex);
 
        ether_addr_copy(arg->addr, sta->addr);
        arg->vdev_id = arvif->vdev_id;
        arg->peer_aid = sta->aid;
        arg->peer_flags |= WMI_PEER_AUTH;
-
-       if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
-               /*
-                * Seems FW have problems with Power Save in STA
-                * mode when we setup this parameter to high (eg. 5).
-                * Often we see that FW don't send NULL (with clean P flags)
-                * frame even there is info about buffered frames in beacons.
-                * Sometimes we have to wait more than 10 seconds before FW
-                * will wakeup. Often sending one ping from AP to our device
-                * just fail (more than 50%).
-                *
-                * Seems setting this FW parameter to 1 couse FW
-                * will check every beacon and will wakup immediately
-                * after detection buffered data.
-                */
-               arg->peer_listen_intval = 1;
-       else
-               arg->peer_listen_intval = ar->hw->conf.listen_interval;
-
+       arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif);
        arg->peer_num_spatial_streams = 1;
-
-       /*
-        * The assoc capabilities are available only in managed mode.
-        */
-       if (arvif->vdev_type == WMI_VDEV_TYPE_STA && bss_conf)
-               arg->peer_caps = bss_conf->assoc_capability;
+       arg->peer_caps = vif->bss_conf.assoc_capability;
 }
 
 static void ath10k_peer_assoc_h_crypto(struct ath10k *ar,
-                                      struct ath10k_vif *arvif,
+                                      struct ieee80211_vif *vif,
                                       struct wmi_peer_assoc_complete_arg *arg)
 {
-       struct ieee80211_vif *vif = arvif->vif;
        struct ieee80211_bss_conf *info = &vif->bss_conf;
        struct cfg80211_bss *bss;
        const u8 *rsnie = NULL;
@@ -1361,11 +1355,12 @@ static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
 }
 
 static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
-                                   struct ath10k_vif *arvif,
+                                   struct ieee80211_vif *vif,
                                    struct ieee80211_sta *sta,
-                                   struct ieee80211_bss_conf *bss_conf,
                                    struct wmi_peer_assoc_complete_arg *arg)
 {
+       struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
+
        switch (arvif->vdev_type) {
        case WMI_VDEV_TYPE_AP:
                if (sta->wme)
@@ -1377,7 +1372,7 @@ static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
                }
                break;
        case WMI_VDEV_TYPE_STA:
-               if (bss_conf->qos)
+               if (vif->bss_conf.qos)
                        arg->peer_flags |= WMI_PEER_QOS;
                break;
        default:
@@ -1386,7 +1381,7 @@ static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
 }
 
 static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
-                                       struct ath10k_vif *arvif,
+                                       struct ieee80211_vif *vif,
                                        struct ieee80211_sta *sta,
                                        struct wmi_peer_assoc_complete_arg *arg)
 {
@@ -1437,22 +1432,21 @@ static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
 }
 
 static int ath10k_peer_assoc_prepare(struct ath10k *ar,
-                                    struct ath10k_vif *arvif,
+                                    struct ieee80211_vif *vif,
                                     struct ieee80211_sta *sta,
-                                    struct ieee80211_bss_conf *bss_conf,
                                     struct wmi_peer_assoc_complete_arg *arg)
 {
        lockdep_assert_held(&ar->conf_mutex);
 
        memset(arg, 0, sizeof(*arg));
 
-       ath10k_peer_assoc_h_basic(ar, arvif, sta, bss_conf, arg);
-       ath10k_peer_assoc_h_crypto(ar, arvif, arg);
+       ath10k_peer_assoc_h_basic(ar, vif, sta, arg);
+       ath10k_peer_assoc_h_crypto(ar, vif, arg);
        ath10k_peer_assoc_h_rates(ar, sta, arg);
        ath10k_peer_assoc_h_ht(ar, sta, arg);
        ath10k_peer_assoc_h_vht(ar, sta, arg);
-       ath10k_peer_assoc_h_qos(ar, arvif, sta, bss_conf, arg);
-       ath10k_peer_assoc_h_phymode(ar, arvif, sta, arg);
+       ath10k_peer_assoc_h_qos(ar, vif, sta, arg);
+       ath10k_peer_assoc_h_phymode(ar, vif, sta, arg);
 
        return 0;
 }
@@ -1512,8 +1506,7 @@ static void ath10k_bss_assoc(struct ieee80211_hw *hw,
         * before calling ath10k_setup_peer_smps() which might sleep. */
        ht_cap = ap_sta->ht_cap;
 
-       ret = ath10k_peer_assoc_prepare(ar, arvif, ap_sta,
-                                       bss_conf, &peer_arg);
+       ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg);
        if (ret) {
                ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n",
                            bss_conf->bssid, arvif->vdev_id, ret);
@@ -1596,15 +1589,18 @@ static void ath10k_bss_disassoc(struct ieee80211_hw *hw,
        arvif->is_up = false;
 }
 
-static int ath10k_station_assoc(struct ath10k *ar, struct ath10k_vif *arvif,
-                               struct ieee80211_sta *sta, bool reassoc)
+static int ath10k_station_assoc(struct ath10k *ar,
+                               struct ieee80211_vif *vif,
+                               struct ieee80211_sta *sta,
+                               bool reassoc)
 {
+       struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
        struct wmi_peer_assoc_complete_arg peer_arg;
        int ret = 0;
 
        lockdep_assert_held(&ar->conf_mutex);
 
-       ret = ath10k_peer_assoc_prepare(ar, arvif, sta, NULL, &peer_arg);
+       ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg);
        if (ret) {
                ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n",
                            sta->addr, arvif->vdev_id, ret);
@@ -1653,9 +1649,11 @@ static int ath10k_station_assoc(struct ath10k *ar, struct ath10k_vif *arvif,
        return ret;
 }
 
-static int ath10k_station_disassoc(struct ath10k *ar, struct ath10k_vif *arvif,
+static int ath10k_station_disassoc(struct ath10k *ar,
+                                  struct ieee80211_vif *vif,
                                   struct ieee80211_sta *sta)
 {
+       struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
        int ret = 0;
 
        lockdep_assert_held(&ar->conf_mutex);
@@ -3497,7 +3495,7 @@ static void ath10k_sta_rc_update_wk(struct work_struct *wk)
                ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates\n",
                           sta->addr);
 
-               err = ath10k_station_assoc(ar, arvif, sta, true);
+               err = ath10k_station_assoc(ar, arvif->vif, sta, true);
                if (err)
                        ath10k_warn(ar, "failed to reassociate station: %pM\n",
                                    sta->addr);
@@ -3583,7 +3581,7 @@ static int ath10k_sta_state(struct ieee80211_hw *hw,
                ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n",
                           sta->addr);
 
-               ret = ath10k_station_assoc(ar, arvif, sta, false);
+               ret = ath10k_station_assoc(ar, vif, sta, false);
                if (ret)
                        ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n",
                                    sta->addr, arvif->vdev_id, ret);
@@ -3597,7 +3595,7 @@ static int ath10k_sta_state(struct ieee80211_hw *hw,
                ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n",
                           sta->addr);
 
-               ret = ath10k_station_disassoc(ar, arvif, sta);
+               ret = ath10k_station_disassoc(ar, vif, sta);
                if (ret)
                        ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n",
                                    sta->addr, arvif->vdev_id, ret);