]> git.karo-electronics.de Git - mv-sheeva.git/blobdiff - drivers/net/wireless/iwlwifi/iwl3945-base.c
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[mv-sheeva.git] / drivers / net / wireless / iwlwifi / iwl3945-base.c
index a27872de41061d62cec0af818aa72f88927396da..697fa6caaceb25c81a5e5dfcf39cd424e52fb126 100644 (file)
@@ -197,6 +197,7 @@ static int iwl3945_set_wep_dynamic_key_info(struct iwl_priv *priv,
 static int iwl3945_clear_sta_key_info(struct iwl_priv *priv, u8 sta_id)
 {
        unsigned long flags;
+       struct iwl_addsta_cmd sta_cmd;
 
        spin_lock_irqsave(&priv->sta_lock, flags);
        memset(&priv->stations[sta_id].keyinfo, 0, sizeof(struct iwl_hw_key));
@@ -205,11 +206,11 @@ static int iwl3945_clear_sta_key_info(struct iwl_priv *priv, u8 sta_id)
        priv->stations[sta_id].sta.key.key_flags = STA_KEY_FLG_NO_ENC;
        priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
        priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
+       memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd));
        spin_unlock_irqrestore(&priv->sta_lock, flags);
 
        IWL_DEBUG_INFO(priv, "hwcrypto: clear ucode station key info\n");
-       iwl_send_add_sta(priv, &priv->stations[sta_id].sta, 0);
-       return 0;
+       return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC);
 }
 
 static int iwl3945_set_dynamic_key(struct iwl_priv *priv,
@@ -474,10 +475,8 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
        u8 unicast;
        u8 sta_id;
        u8 tid = 0;
-       u16 seq_number = 0;
        __le16 fc;
        u8 wait_write_ptr = 0;
-       u8 *qc = NULL;
        unsigned long flags;
 
        spin_lock_irqsave(&priv->lock, flags);
@@ -510,10 +509,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
        hdr_len = ieee80211_hdrlen(fc);
 
        /* Find index into station table for destination station */
-       if (!info->control.sta)
-               sta_id = priv->hw_params.bcast_sta_id;
-       else
-               sta_id = iwl_sta_id(info->control.sta);
+       sta_id = iwl_sta_id_or_broadcast(priv, info->control.sta);
        if (sta_id == IWL_INVALID_STATION) {
                IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n",
                               hdr->addr1);
@@ -523,16 +519,10 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
        IWL_DEBUG_RATE(priv, "station Id %d\n", sta_id);
 
        if (ieee80211_is_data_qos(fc)) {
-               qc = ieee80211_get_qos_ctl(hdr);
+               u8 *qc = ieee80211_get_qos_ctl(hdr);
                tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
                if (unlikely(tid >= MAX_TID_COUNT))
                        goto drop;
-               seq_number = priv->stations[sta_id].tid[tid].seq_number &
-                               IEEE80211_SCTL_SEQ;
-               hdr->seq_ctrl = cpu_to_le16(seq_number) |
-                       (hdr->seq_ctrl &
-                               cpu_to_le16(IEEE80211_SCTL_FRAG));
-               seq_number += 0x10;
        }
 
        /* Descriptor for chosen Tx queue */
@@ -548,7 +538,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 
        /* Set up driver data for this TFD */
        memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info));
-       txq->txb[q->write_ptr].skb[0] = skb;
+       txq->txb[q->write_ptr].skb = skb;
 
        /* Init first empty entry in queue's array of Tx/cmd buffers */
        out_cmd = txq->cmd[idx];
@@ -591,8 +581,6 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 
        if (!ieee80211_has_morefrags(hdr->frame_control)) {
                txq->need_update = 1;
-               if (qc)
-                       priv->stations[sta_id].tid[tid].seq_number = seq_number;
        } else {
                wait_write_ptr = 1;
                txq->need_update = 0;
@@ -631,8 +619,8 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
                                    len, PCI_DMA_TODEVICE);
        /* we do not map meta data ... so we can safely access address to
         * provide to unmap command*/
-       pci_unmap_addr_set(out_meta, mapping, txcmd_phys);
-       pci_unmap_len_set(out_meta, len, len);
+       dma_unmap_addr_set(out_meta, mapping, txcmd_phys);
+       dma_unmap_len_set(out_meta, len, len);
 
        /* Add buffer containing Tx command and MAC(!) header to TFD's
         * first entry */
@@ -677,55 +665,6 @@ drop:
        return -1;
 }
 
-#define BEACON_TIME_MASK_LOW   0x00FFFFFF
-#define BEACON_TIME_MASK_HIGH  0xFF000000
-#define TIME_UNIT              1024
-
-/*
- * extended beacon time format
- * time in usec will be changed into a 32-bit value in 8:24 format
- * the high 1 byte is the beacon counts
- * the lower 3 bytes is the time in usec within one beacon interval
- */
-
-static u32 iwl3945_usecs_to_beacons(u32 usec, u32 beacon_interval)
-{
-       u32 quot;
-       u32 rem;
-       u32 interval = beacon_interval * 1024;
-
-       if (!interval || !usec)
-               return 0;
-
-       quot = (usec / interval) & (BEACON_TIME_MASK_HIGH >> 24);
-       rem = (usec % interval) & BEACON_TIME_MASK_LOW;
-
-       return (quot << 24) + rem;
-}
-
-/* base is usually what we get from ucode with each received frame,
- * the same as HW timer counter counting down
- */
-
-static __le32 iwl3945_add_beacon_time(u32 base, u32 addon, u32 beacon_interval)
-{
-       u32 base_low = base & BEACON_TIME_MASK_LOW;
-       u32 addon_low = addon & BEACON_TIME_MASK_LOW;
-       u32 interval = beacon_interval * TIME_UNIT;
-       u32 res = (base & BEACON_TIME_MASK_HIGH) +
-           (addon & BEACON_TIME_MASK_HIGH);
-
-       if (base_low > addon_low)
-               res += base_low - addon_low;
-       else if (base_low < addon_low) {
-               res += interval + base_low - addon_low;
-               res += (1 << 24);
-       } else
-               res += (1 << 24);
-
-       return cpu_to_le32(res);
-}
-
 static int iwl3945_get_measurement(struct iwl_priv *priv,
                               struct ieee80211_measurement_params *params,
                               u8 type)
@@ -743,8 +682,7 @@ static int iwl3945_get_measurement(struct iwl_priv *priv,
        int duration = le16_to_cpu(params->duration);
 
        if (iwl_is_associated(priv))
-               add_time =
-                   iwl3945_usecs_to_beacons(
+               add_time = iwl_usecs_to_beacons(priv,
                        le64_to_cpu(params->start_time) - priv->_3945.last_tsf,
                        le16_to_cpu(priv->rxon_timing.beacon_interval));
 
@@ -759,8 +697,8 @@ static int iwl3945_get_measurement(struct iwl_priv *priv,
 
        if (iwl_is_associated(priv))
                spectrum.start_time =
-                   iwl3945_add_beacon_time(priv->_3945.last_beacon_time,
-                               add_time,
+                       iwl_add_beacon_time(priv,
+                               priv->_3945.last_beacon_time, add_time,
                                le16_to_cpu(priv->rxon_timing.beacon_interval));
        else
                spectrum.start_time = 0;
@@ -1233,7 +1171,7 @@ static void iwl3945_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rx
        }
 
        dma_free_coherent(&priv->pci_dev->dev, 4 * RX_QUEUE_SIZE, rxq->bd,
-                         rxq->dma_addr);
+                         rxq->bd_dma);
        dma_free_coherent(&priv->pci_dev->dev, sizeof(struct iwl_rb_status),
                          rxq->rb_stts, rxq->rb_stts_dma);
        rxq->bd = NULL;
@@ -1314,6 +1252,8 @@ static void iwl3945_rx_handle(struct iwl_priv *priv)
                IWL_DEBUG_RX(priv, "r = %d, i = %d\n", r, i);
 
        while (i != r) {
+               int len;
+
                rxb = rxq->queue[i];
 
                /* If an RXB doesn't have a Rx queue slot associated with it,
@@ -1328,8 +1268,9 @@ static void iwl3945_rx_handle(struct iwl_priv *priv)
                               PCI_DMA_FROMDEVICE);
                pkt = rxb_addr(rxb);
 
-               trace_iwlwifi_dev_rx(priv, pkt,
-                       le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
+               len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
+               len += sizeof(u32); /* account for status word */
+               trace_iwlwifi_dev_rx(priv, pkt, len);
 
                /* Reclaim a command buffer only if this packet is a response
                 *   to a (driver-originated) command.
@@ -3022,14 +2963,16 @@ void iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
                scan->tx_cmd.len = cpu_to_le16(
                        iwl_fill_probe_req(priv,
                                (struct ieee80211_mgmt *)scan->data,
+                               vif->addr,
                                priv->scan_request->ie,
                                priv->scan_request->ie_len,
                                IWL_MAX_SCAN_SIZE - sizeof(*scan)));
        } else {
+               /* use bcast addr, will not be transmitted but must be valid */
                scan->tx_cmd.len = cpu_to_le16(
                        iwl_fill_probe_req(priv,
                                (struct ieee80211_mgmt *)scan->data,
-                               NULL, 0,
+                               iwl_bcast_addr, NULL, 0,
                                IWL_MAX_SCAN_SIZE - sizeof(*scan)));
        }
        /* select Rx antennas */
@@ -3158,19 +3101,16 @@ void iwl3945_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif)
        IWL_DEBUG_ASSOC(priv, "assoc id %d beacon interval %d\n",
                        vif->bss_conf.aid, vif->bss_conf.beacon_int);
 
-       if (vif->bss_conf.assoc_capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
+       if (vif->bss_conf.use_short_preamble)
                priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
        else
                priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
 
        if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
-               if (vif->bss_conf.assoc_capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
+               if (vif->bss_conf.use_short_slot)
                        priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
                else
                        priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
-
-               if (vif->type == NL80211_IFTYPE_ADHOC)
-                       priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
        }
 
        iwlcore_commit_rxon(priv);
@@ -3334,8 +3274,7 @@ void iwl3945_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif)
 
                priv->staging_rxon.assoc_id = 0;
 
-               if (vif->bss_conf.assoc_capability &
-                                       WLAN_CAPABILITY_SHORT_PREAMBLE)
+               if (vif->bss_conf.use_short_preamble)
                        priv->staging_rxon.flags |=
                                RXON_FLG_SHORT_PREAMBLE_MSK;
                else
@@ -3343,17 +3282,12 @@ void iwl3945_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif)
                                ~RXON_FLG_SHORT_PREAMBLE_MSK;
 
                if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
-                       if (vif->bss_conf.assoc_capability &
-                                       WLAN_CAPABILITY_SHORT_SLOT_TIME)
+                       if (vif->bss_conf.use_short_slot)
                                priv->staging_rxon.flags |=
                                        RXON_FLG_SHORT_SLOT_MSK;
                        else
                                priv->staging_rxon.flags &=
                                        ~RXON_FLG_SHORT_SLOT_MSK;
-
-                       if (vif->type == NL80211_IFTYPE_ADHOC)
-                               priv->staging_rxon.flags &=
-                                       ~RXON_FLG_SHORT_SLOT_MSK;
                }
                /* restore RXON assoc */
                priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
@@ -3386,17 +3320,9 @@ static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
        static_key = !iwl_is_associated(priv);
 
        if (!static_key) {
-               if (!sta) {
-                       sta_id = priv->hw_params.bcast_sta_id;
-               } else {
-                       sta_id = iwl_sta_id(sta);
-                       if (sta_id == IWL_INVALID_STATION) {
-                               IWL_DEBUG_MAC80211(priv,
-                                                  "leave - %pM not in station map.\n",
-                                                  sta->addr);
-                               return -EINVAL;
-                       }
-               }
+               sta_id = iwl_sta_id_or_broadcast(priv, sta);
+               if (sta_id == IWL_INVALID_STATION)
+                       return -EINVAL;
        }
 
        mutex_lock(&priv->mutex);
@@ -4028,9 +3954,6 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
        priv->pci_dev = pdev;
        priv->inta_mask = CSR_INI_SET_MASK;
 
-#ifdef CONFIG_IWLWIFI_DEBUG
-       atomic_set(&priv->restrict_refcnt, 0);
-#endif
        if (iwl_alloc_traffic_mem(priv))
                IWL_ERR(priv, "Not enough memory to generate traffic log\n");
 
@@ -4099,9 +4022,8 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
        }
        /* MAC Address location in EEPROM same for 3945/4965 */
        eeprom = (struct iwl3945_eeprom *)priv->eeprom;
-       memcpy(priv->mac_addr, eeprom->mac_address, ETH_ALEN);
-       IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->mac_addr);
-       SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr);
+       IWL_DEBUG_INFO(priv, "MAC address: %pM\n", eeprom->mac_address);
+       SET_IEEE80211_PERM_ADDR(priv->hw, eeprom->mac_address);
 
        /***********************
         * 5. Setup HW Constants