1 files changed, 17 insertions, 238 deletions

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index abfa0493236f..b8b76dd2c11e 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -520,6 +520,12 @@ irqreturn_t ath_isr(int irq, void *dev)
             !(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)))
                 goto chip_reset;
 
+        if ((ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) &&
+            (status & ATH9K_INT_BB_WATCHDOG)) {
+                ar9003_hw_bb_watchdog_dbg_info(ah);
+                goto chip_reset;
+        }
+
         if (status & ATH9K_INT_SWBA)
                 tasklet_schedule(&sc->bcon_tasklet);
 
@@ -615,234 +621,6 @@ static u32 ath_get_extchanmode(struct ath_softc *sc,
         return chanmode;
 }
 
-static int ath_setkey_tkip(struct ath_common *common, u16 keyix, const u8 *key,
-                           struct ath9k_keyval *hk, const u8 *addr,
-                           bool authenticator)
-{
-        struct ath_hw *ah = common->ah;
-        const u8 *key_rxmic;
-        const u8 *key_txmic;
-
-        key_txmic = key + NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY;
-        key_rxmic = key + NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY;
-
-        if (addr == NULL) {
-                /*
-                 * Group key installation - only two key cache entries are used
-                 * regardless of splitmic capability since group key is only
-                 * used either for TX or RX.
-                 */
-                if (authenticator) {
-                        memcpy(hk->kv_mic, key_txmic, sizeof(hk->kv_mic));
-                        memcpy(hk->kv_txmic, key_txmic, sizeof(hk->kv_mic));
-                } else {
-                        memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
-                        memcpy(hk->kv_txmic, key_rxmic, sizeof(hk->kv_mic));
-                }
-                return ath9k_hw_set_keycache_entry(ah, keyix, hk, addr);
-        }
-        if (!common->splitmic) {
-                /* TX and RX keys share the same key cache entry. */
-                memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
-                memcpy(hk->kv_txmic, key_txmic, sizeof(hk->kv_txmic));
-                return ath9k_hw_set_keycache_entry(ah, keyix, hk, addr);
-        }
-
-        /* Separate key cache entries for TX and RX */
-
-        /* TX key goes at first index, RX key at +32. */
-        memcpy(hk->kv_mic, key_txmic, sizeof(hk->kv_mic));
-        if (!ath9k_hw_set_keycache_entry(ah, keyix, hk, NULL)) {
-                /* TX MIC entry failed. No need to proceed further */
-                ath_print(common, ATH_DBG_FATAL,
-                          "Setting TX MIC Key Failed\n");
-                return 0;
-        }
-
-        memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
-        /* XXX delete tx key on failure? */
-        return ath9k_hw_set_keycache_entry(ah, keyix + 32, hk, addr);
-}
-
-static int ath_reserve_key_cache_slot_tkip(struct ath_common *common)
-{
-        int i;
-
-        for (i = IEEE80211_WEP_NKID; i < common->keymax / 2; i++) {
-                if (test_bit(i, common->keymap) ||
-                    test_bit(i + 64, common->keymap))
-                        continue; /* At least one part of TKIP key allocated */
-                if (common->splitmic &&
-                    (test_bit(i + 32, common->keymap) ||
-                     test_bit(i + 64 + 32, common->keymap)))
-                        continue; /* At least one part of TKIP key allocated */
-
-                /* Found a free slot for a TKIP key */
-                return i;
-        }
-        return -1;
-}
-
-static int ath_reserve_key_cache_slot(struct ath_common *common)
-{
-        int i;
-
-        /* First, try to find slots that would not be available for TKIP. */
-        if (common->splitmic) {
-                for (i = IEEE80211_WEP_NKID; i < common->keymax / 4; i++) {
-                        if (!test_bit(i, common->keymap) &&
-                            (test_bit(i + 32, common->keymap) ||
-                             test_bit(i + 64, common->keymap) ||
-                             test_bit(i + 64 + 32, common->keymap)))
-                                return i;
-                        if (!test_bit(i + 32, common->keymap) &&
-                            (test_bit(i, common->keymap) ||
-                             test_bit(i + 64, common->keymap) ||
-                             test_bit(i + 64 + 32, common->keymap)))
-                                return i + 32;
-                        if (!test_bit(i + 64, common->keymap) &&
-                            (test_bit(i , common->keymap) ||
-                             test_bit(i + 32, common->keymap) ||
-                             test_bit(i + 64 + 32, common->keymap)))
-                                return i + 64;
-                        if (!test_bit(i + 64 + 32, common->keymap) &&
-                            (test_bit(i, common->keymap) ||
-                             test_bit(i + 32, common->keymap) ||
-                             test_bit(i + 64, common->keymap)))
-                                return i + 64 + 32;
-                }
-        } else {
-                for (i = IEEE80211_WEP_NKID; i < common->keymax / 2; i++) {
-                        if (!test_bit(i, common->keymap) &&
-                            test_bit(i + 64, common->keymap))
-                                return i;
-                        if (test_bit(i, common->keymap) &&
-                            !test_bit(i + 64, common->keymap))
-                                return i + 64;
-                }
-        }
-
-        /* No partially used TKIP slots, pick any available slot */
-        for (i = IEEE80211_WEP_NKID; i < common->keymax; i++) {
-                /* Do not allow slots that could be needed for TKIP group keys
-                 * to be used. This limitation could be removed if we know that
-                 * TKIP will not be used. */
-                if (i >= 64 && i < 64 + IEEE80211_WEP_NKID)
-                        continue;
-                if (common->splitmic) {
-                        if (i >= 32 && i < 32 + IEEE80211_WEP_NKID)
-                                continue;
-                        if (i >= 64 + 32 && i < 64 + 32 + IEEE80211_WEP_NKID)
-                                continue;
-                }
-
-                if (!test_bit(i, common->keymap))
-                        return i; /* Found a free slot for a key */
-        }
-
-        /* No free slot found */
-        return -1;
-}
-
-static int ath_key_config(struct ath_common *common,
-                          struct ieee80211_vif *vif,
-                          struct ieee80211_sta *sta,
-                          struct ieee80211_key_conf *key)
-{
-        struct ath_hw *ah = common->ah;
-        struct ath9k_keyval hk;
-        const u8 *mac = NULL;
-        int ret = 0;
-        int idx;
-
-        memset(&hk, 0, sizeof(hk));
-
-        switch (key->alg) {
-        case ALG_WEP:
-                hk.kv_type = ATH9K_CIPHER_WEP;
-                break;
-        case ALG_TKIP:
-                hk.kv_type = ATH9K_CIPHER_TKIP;
-                break;
-        case ALG_CCMP:
-                hk.kv_type = ATH9K_CIPHER_AES_CCM;
-                break;
-        default:
-                return -EOPNOTSUPP;
-        }
-
-        hk.kv_len = key->keylen;
-        memcpy(hk.kv_val, key->key, key->keylen);
-
-        if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
-                /* For now, use the default keys for broadcast keys. This may
-                 * need to change with virtual interfaces. */
-                idx = key->keyidx;
-        } else if (key->keyidx) {
-                if (WARN_ON(!sta))
-                        return -EOPNOTSUPP;
-                mac = sta->addr;
-
-                if (vif->type != NL80211_IFTYPE_AP) {
-                        /* Only keyidx 0 should be used with unicast key, but
-                         * allow this for client mode for now. */
-                        idx = key->keyidx;
-                } else
-                        return -EIO;
-        } else {
-                if (WARN_ON(!sta))
-                        return -EOPNOTSUPP;
-                mac = sta->addr;
-
-                if (key->alg == ALG_TKIP)
-                        idx = ath_reserve_key_cache_slot_tkip(common);
-                else
-                        idx = ath_reserve_key_cache_slot(common);
-                if (idx < 0)
-                        return -ENOSPC; /* no free key cache entries */
-        }
-
-        if (key->alg == ALG_TKIP)
-                ret = ath_setkey_tkip(common, idx, key->key, &hk, mac,
-                                      vif->type == NL80211_IFTYPE_AP);
-        else
-                ret = ath9k_hw_set_keycache_entry(ah, idx, &hk, mac);
-
-        if (!ret)
-                return -EIO;
-
-        set_bit(idx, common->keymap);
-        if (key->alg == ALG_TKIP) {
-                set_bit(idx + 64, common->keymap);
-                if (common->splitmic) {
-                        set_bit(idx + 32, common->keymap);
-                        set_bit(idx + 64 + 32, common->keymap);
-                }
-        }
-
-        return idx;
-}
-
-static void ath_key_delete(struct ath_common *common, struct ieee80211_key_conf *key)
-{
-        struct ath_hw *ah = common->ah;
-
-        ath9k_hw_keyreset(ah, key->hw_key_idx);
-        if (key->hw_key_idx < IEEE80211_WEP_NKID)
-                return;
-
-        clear_bit(key->hw_key_idx, common->keymap);
-        if (key->alg != ALG_TKIP)
-                return;
-
-        clear_bit(key->hw_key_idx + 64, common->keymap);
-        if (common->splitmic) {
-                ath9k_hw_keyreset(ah, key->hw_key_idx + 32);
-                clear_bit(key->hw_key_idx + 32, common->keymap);
-                clear_bit(key->hw_key_idx + 64 + 32, common->keymap);
-        }
-}
-
 static void ath9k_bss_assoc_info(struct ath_softc *sc,
                                  struct ieee80211_vif *vif,
                                  struct ieee80211_bss_conf *bss_conf)
@@ -1195,7 +973,9 @@ static int ath9k_start(struct ieee80211_hw *hw)
                     ATH9K_INT_GLOBAL;
 
         if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
-                ah->imask |= ATH9K_INT_RXHP | ATH9K_INT_RXLP;
+                ah->imask |= ATH9K_INT_RXHP |
+                             ATH9K_INT_RXLP |
+                             ATH9K_INT_BB_WATCHDOG;
         else
                 ah->imask |= ATH9K_INT_RX;
 
@@ -1245,6 +1025,7 @@ static int ath9k_tx(struct ieee80211_hw *hw,
         struct ath_tx_control txctl;
         int padpos, padsize;
         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+        int qnum;
 
         if (aphy->state != ATH_WIPHY_ACTIVE && aphy->state != ATH_WIPHY_SCAN) {
                 ath_print(common, ATH_DBG_XMIT,
@@ -1274,7 +1055,8 @@ static int ath9k_tx(struct ieee80211_hw *hw,
                  * completed and if needed, also for RX of buffered frames.
                  */
                 ath9k_ps_wakeup(sc);
-                ath9k_hw_setrxabort(sc->sc_ah, 0);
+                if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
+                        ath9k_hw_setrxabort(sc->sc_ah, 0);
                 if (ieee80211_is_pspoll(hdr->frame_control)) {
                         ath_print(common, ATH_DBG_PS,
                                   "Sending PS-Poll to pick a buffered frame\n");
@@ -1316,11 +1098,8 @@ static int ath9k_tx(struct ieee80211_hw *hw,
                 memmove(skb->data, skb->data + padsize, padpos);
         }
 
-        /* Check if a tx queue is available */
-
-        txctl.txq = ath_test_get_txq(sc, skb);
-        if (!txctl.txq)
-                goto exit;
+        qnum = ath_get_hal_qnum(skb_get_queue_mapping(skb), sc);
+        txctl.txq = &sc->tx.txq[qnum];
 
         ath_print(common, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb);
 
@@ -1538,8 +1317,8 @@ void ath9k_enable_ps(struct ath_softc *sc)
                         ah->imask |= ATH9K_INT_TIM_TIMER;
                         ath9k_hw_set_interrupts(ah, ah->imask);
                 }
+                ath9k_hw_setrxabort(ah, 1);
         }
-        ath9k_hw_setrxabort(ah, 1);
 }
 
 static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
@@ -1804,7 +1583,7 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
 
         switch (cmd) {
         case SET_KEY:
-                ret = ath_key_config(common, vif, sta, key);
+                ret = ath9k_cmn_key_config(common, vif, sta, key);
                 if (ret >= 0) {
                         key->hw_key_idx = ret;
                         /* push IV and Michael MIC generation to stack */
@@ -1817,7 +1596,7 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
                 }
                 break;
         case DISABLE_KEY:
-                ath_key_delete(common, key);
+                ath9k_cmn_key_delete(common, key);
                 break;
         default:
                 ret = -EINVAL;