7 files changed, 55 insertions, 37 deletions

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 44f885a37c11..7589b2aa030b 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -41,6 +41,10 @@ struct ath_regulatory {
 
 struct ath_common {
         u16 cachelsz;
+        u16 curaid;
+        u8 macaddr[ETH_ALEN];
+        u8 curbssid[ETH_ALEN];
+        u8 bssidmask[ETH_ALEN];
         struct ath_regulatory regulatory;
 };
 
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index e54fac322bd2..757f17fddcfd 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -581,12 +581,9 @@ struct ath_softc {
         spinlock_t sc_pm_lock;
         struct mutex mutex;
 
-        u8 curbssid[ETH_ALEN];
-        u8 bssidmask[ETH_ALEN];
         u32 intrstatus;
         u32 sc_flags; /* SC_OP_* */
         u16 curtxpow;
-        u16 curaid;
         u8 nbcnvifs;
         u16 nvifs;
         u8 tx_chainmask;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 20c1b3edbd0a..4e14c307b3da 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -511,6 +511,7 @@ static int ath9k_hw_rf_claim(struct ath_hw *ah)
 
 static int ath9k_hw_init_macaddr(struct ath_hw *ah)
 {
+        struct ath_common *common = ath9k_hw_common(ah);
         u32 sum;
         int i;
         u16 eeval;
@@ -519,8 +520,8 @@ static int ath9k_hw_init_macaddr(struct ath_hw *ah)
         for (i = 0; i < 3; i++) {
                 eeval = ah->eep_ops->get_eeprom(ah, AR_EEPROM_MAC(i));
                 sum += eeval;
-                ah->macaddr[2 * i] = eeval >> 8;
-                ah->macaddr[2 * i + 1] = eeval & 0xff;
+                common->macaddr[2 * i] = eeval >> 8;
+                common->macaddr[2 * i + 1] = eeval & 0xff;
         }
         if (sum == 0 || sum == 0xffff * 3)
                 return -EADDRNOTAVAIL;
@@ -2343,6 +2344,7 @@ static void ath9k_enable_rfkill(struct ath_hw *ah)
 int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
                     bool bChannelChange)
 {
+        struct ath_common *common = ath9k_hw_common(ah);
         u32 saveLedState;
         struct ath_softc *sc = ah->ah_sc;
         struct ath9k_channel *curchan = ah->curchan;
@@ -2463,8 +2465,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 
         ath9k_hw_decrease_chain_power(ah, chan);
 
-        REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(ah->macaddr));
-        REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(ah->macaddr + 4)
+        REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
+        REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(common->macaddr + 4)
                   | macStaId1
                   | AR_STA_ID1_RTS_USE_DEF
                   | (ah->config.
@@ -4007,7 +4009,7 @@ void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit)
 
 void ath9k_hw_setmac(struct ath_hw *ah, const u8 *mac)
 {
-        memcpy(ah->macaddr, mac, ETH_ALEN);
+        memcpy(ath9k_hw_common(ah)->macaddr, mac, ETH_ALEN);
 }
 
 void ath9k_hw_setopmode(struct ath_hw *ah)
@@ -4023,15 +4025,19 @@ void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1)
 
 void ath9k_hw_setbssidmask(struct ath_hw *ah)
 {
-        REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(ah->ah_sc->bssidmask));
-        REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(ah->ah_sc->bssidmask + 4));
+        struct ath_common *common = ath9k_hw_common(ah);
+
+        REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(common->bssidmask));
+        REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(common->bssidmask + 4));
 }
 
 void ath9k_hw_write_associd(struct ath_hw *ah)
 {
-        REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(ah->ah_sc->curbssid));
-        REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(ah->ah_sc->curbssid + 4) |
-                  ((ah->ah_sc->curaid & 0x3fff) << AR_BSS_ID1_AID_S));
+        struct ath_common *common = ath9k_hw_common(ah);
+
+        REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(common->curbssid));
+        REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(common->curbssid + 4) |
+                  ((common->curaid & 0x3fff) << AR_BSS_ID1_AID_S));
 }
 
 u64 ath9k_hw_gettsf64(struct ath_hw *ah)
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index c0c22dfd3065..6aee01343d3a 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -451,7 +451,6 @@ struct ath_hw {
 
         bool sw_mgmt_crypto;
         bool is_pciexpress;
-        u8 macaddr[ETH_ALEN];
         u16 tx_trig_level;
         u16 rfsilent;
         u32 rfkill_gpio;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index f2c1feb7d491..a96350d2aace 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -976,13 +976,14 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
                                  struct ieee80211_bss_conf *bss_conf)
 {
         struct ath_hw *ah = sc->sc_ah;
+        struct ath_common *common = ath9k_hw_common(ah);
 
         if (bss_conf->assoc) {
                 DPRINTF(ah, ATH_DBG_CONFIG, "Bss Info ASSOC %d, bssid: %pM\n",
-                        bss_conf->aid, sc->curbssid);
+                        bss_conf->aid, common->curbssid);
 
                 /* New association, store aid */
-                sc->curaid = bss_conf->aid;
+                common->curaid = bss_conf->aid;
                 ath9k_hw_write_associd(ah);
 
                 /*
@@ -1001,7 +1002,7 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
                 ath_start_ani(sc);
         } else {
                 DPRINTF(ah, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
-                sc->curaid = 0;
+                common->curaid = 0;
                 /* Stop ANI */
                 del_timer_sync(&sc->ani.timer);
         }
@@ -1497,6 +1498,7 @@ static int ath_init_btcoex_timer(struct ath_softc *sc)
 static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 {
         struct ath_hw *ah = NULL;
+        struct ath_common *common;
         int r = 0, i;
         int csz = 0;
         int qnum;
@@ -1675,8 +1677,10 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
         ath9k_hw_setcapability(ah, ATH9K_CAP_DIVERSITY, 1, true, NULL);
         sc->rx.defant = ath9k_hw_getdefantenna(ah);
 
+        common = ath9k_hw_common(ah);
+
         if (ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK)
-                memcpy(sc->bssidmask, ath_bcast_mac, ETH_ALEN);
+                memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
 
         sc->beacon.slottime = ATH9K_SLOT_TIME_9;        /* default to short slot time */
 
@@ -1780,6 +1784,7 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid)
 {
         struct ieee80211_hw *hw = sc->hw;
+        struct ath_common *common;
         struct ath_hw *ah;
         int error = 0, i;
         struct ath_regulatory *reg;
@@ -1791,19 +1796,20 @@ int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid)
                 return error;
 
         ah = sc->sc_ah;
+        common = ath9k_hw_common(ah);
 
         /* get mac address from hardware and set in mac80211 */
 
-        SET_IEEE80211_PERM_ADDR(hw, ah->macaddr);
+        SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
 
         ath_set_hw_capab(sc, hw);
 
-        error = ath_regd_init(&sc->common.regulatory, sc->hw->wiphy,
+        error = ath_regd_init(&common->regulatory, sc->hw->wiphy,
                               ath9k_reg_notifier);
         if (error)
                 return error;
 
-        reg = &sc->common.regulatory;
+        reg = &common->regulatory;
 
         if (ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
                 setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
@@ -2785,6 +2791,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
         struct ath_wiphy *aphy = hw->priv;
         struct ath_softc *sc = aphy->sc;
         struct ath_hw *ah = sc->sc_ah;
+        struct ath_common *common = ath9k_hw_common(ah);
         struct ath_vif *avp = (void *)vif->drv_priv;
         u32 rfilt = 0;
         int error, i;
@@ -2800,8 +2807,8 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
             ah->opmode != NL80211_IFTYPE_AP) {
                 ah->opmode = NL80211_IFTYPE_STATION;
                 ath9k_hw_setopmode(ah);
-                memcpy(sc->curbssid, sc->sc_ah->macaddr, ETH_ALEN);
-                sc->curaid = 0;
+                memcpy(common->curbssid, common->macaddr, ETH_ALEN);
+                common->curaid = 0;
                 ath9k_hw_write_associd(ah);
                 /* Request full reset to get hw opmode changed properly */
                 sc->sc_flags |= SC_OP_FULL_RESET;
@@ -2814,9 +2821,9 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
                 case NL80211_IFTYPE_ADHOC:
                 case NL80211_IFTYPE_MESH_POINT:
                         /* Set BSSID */
-                        memcpy(sc->curbssid, bss_conf->bssid, ETH_ALEN);
+                        memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
                         memcpy(avp->bssid, bss_conf->bssid, ETH_ALEN);
-                        sc->curaid = 0;
+                        common->curaid = 0;
                         ath9k_hw_write_associd(ah);
 
                         /* Set aggregation protection mode parameters */
@@ -2824,7 +2831,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 
                         DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
                                 "RX filter 0x%x bssid %pM aid 0x%x\n",
-                                rfilt, sc->curbssid, sc->curaid);
+                                rfilt, common->curbssid, common->curaid);
 
                         /* need to reconfigure the beacon */
                         sc->sc_flags &= ~SC_OP_BEACONS ;
@@ -2863,7 +2870,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
                         if (ath9k_hw_keyisvalid(sc->sc_ah, (u16)i))
                                 ath9k_hw_keysetmac(sc->sc_ah,
                                                    (u16)i,
-                                                   sc->curbssid);
+                                                   common->curbssid);
         }
 
         /* Only legacy IBSS for now */
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 529cab6bfe66..3bdd4e637219 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -272,6 +272,8 @@ rx_next:
 static void ath_opmode_init(struct ath_softc *sc)
 {
         struct ath_hw *ah = sc->sc_ah;
+        struct ath_common *common = ath9k_hw_common(ah);
+
         u32 rfilt, mfilt[2];
 
         /* configure rx filter */
@@ -286,7 +288,7 @@ static void ath_opmode_init(struct ath_softc *sc)
         ath9k_hw_setopmode(ah);
 
         /* Handle any link-level address change. */
-        ath9k_hw_setmac(ah, sc->sc_ah->macaddr);
+        ath9k_hw_setmac(ah, common->macaddr);
 
         /* calculate and install multicast filter */
         mfilt[0] = mfilt[1] = ~0;
@@ -527,12 +529,13 @@ static bool ath_beacon_dtim_pending_cab(struct sk_buff *skb)
 static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
 {
         struct ieee80211_mgmt *mgmt;
+        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 
         if (skb->len < 24 + 8 + 2 + 2)
                 return;
 
         mgmt = (struct ieee80211_mgmt *)skb->data;
-        if (memcmp(sc->curbssid, mgmt->bssid, ETH_ALEN) != 0)
+        if (memcmp(common->curbssid, mgmt->bssid, ETH_ALEN) != 0)
                 return; /* not from our current AP */
 
         sc->sc_flags &= ~SC_OP_WAIT_FOR_BEACON;
diff --git a/drivers/net/wireless/ath/ath9k/virtual.c b/drivers/net/wireless/ath/ath9k/virtual.c
index 52becd32ad8c..7b763b6555fd 100644
--- a/drivers/net/wireless/ath/ath9k/virtual.c
+++ b/drivers/net/wireless/ath/ath9k/virtual.c
@@ -40,6 +40,7 @@ void ath9k_set_bssid_mask(struct ieee80211_hw *hw)
 {
         struct ath_wiphy *aphy = hw->priv;
         struct ath_softc *sc = aphy->sc;
+        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
         struct ath9k_vif_iter_data iter_data;
         int i, j;
         u8 mask[ETH_ALEN];
@@ -51,7 +52,7 @@ void ath9k_set_bssid_mask(struct ieee80211_hw *hw)
          */
         iter_data.addr = kmalloc(ETH_ALEN, GFP_ATOMIC);
         if (iter_data.addr) {
-                memcpy(iter_data.addr, sc->sc_ah->macaddr, ETH_ALEN);
+                memcpy(iter_data.addr, common->macaddr, ETH_ALEN);
                 iter_data.count = 1;
         } else
                 iter_data.count = 0;
@@ -86,12 +87,12 @@ void ath9k_set_bssid_mask(struct ieee80211_hw *hw)
         kfree(iter_data.addr);
 
         /* Invert the mask and configure hardware */
-        sc->bssidmask[0] = ~mask[0];
-        sc->bssidmask[1] = ~mask[1];
-        sc->bssidmask[2] = ~mask[2];
-        sc->bssidmask[3] = ~mask[3];
-        sc->bssidmask[4] = ~mask[4];
-        sc->bssidmask[5] = ~mask[5];
+        common->bssidmask[0] = ~mask[0];
+        common->bssidmask[1] = ~mask[1];
+        common->bssidmask[2] = ~mask[2];
+        common->bssidmask[3] = ~mask[3];
+        common->bssidmask[4] = ~mask[4];
+        common->bssidmask[5] = ~mask[5];
 
         ath9k_hw_setbssidmask(sc->sc_ah);
 }
@@ -100,6 +101,7 @@ int ath9k_wiphy_add(struct ath_softc *sc)
 {
         int i, error;
         struct ath_wiphy *aphy;
+        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
         struct ieee80211_hw *hw;
         u8 addr[ETH_ALEN];
 
@@ -138,7 +140,7 @@ int ath9k_wiphy_add(struct ath_softc *sc)
         sc->sec_wiphy[i] = aphy;
         spin_unlock_bh(&sc->wiphy_lock);
 
-        memcpy(addr, sc->sc_ah->macaddr, ETH_ALEN);
+        memcpy(addr, common->macaddr, ETH_ALEN);
         addr[0] |= 0x02; /* Locally managed address */
         /*
          * XOR virtual wiphy index into the least significant bits to generate