e1000e: don't check for alternate MAC addr on parts that don't support it
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-3945.c
index c44a303e62ed45c2bdc9ea9b77db020eb927c39c..6950a783913b83561839f20a08657857ee242a86 100644 (file)
@@ -279,8 +279,8 @@ static void iwl3945_tx_queue_reclaim(struct iwl_priv *priv,
                q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) {
 
                tx_info = &txq->txb[txq->q.read_ptr];
-               ieee80211_tx_status_irqsafe(priv->hw, tx_info->skb[0]);
-               tx_info->skb[0] = NULL;
+               ieee80211_tx_status_irqsafe(priv->hw, tx_info->skb);
+               tx_info->skb = NULL;
                priv->cfg->ops->lib->txq_free_tfd(priv, txq);
        }
 
@@ -315,7 +315,7 @@ static void iwl3945_rx_reply_tx(struct iwl_priv *priv,
                return;
        }
 
-       info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]);
+       info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb);
        ieee80211_tx_info_clear_status(info);
 
        /* Fill the MRR chain with some info about on-chip retransmissions */
@@ -352,7 +352,7 @@ static void iwl3945_rx_reply_tx(struct iwl_priv *priv,
  *  RX handler implementations
  *
  *****************************************************************************/
-#ifdef CONFIG_IWLWIFI_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUGFS
 /*
  *  based on the assumption of all statistics counter are in DWORD
  *  FIXME: This function is for debugging, do not deal with
@@ -406,6 +406,11 @@ static bool iwl3945_good_plcp_health(struct iwl_priv *priv,
        unsigned int plcp_msec;
        unsigned long plcp_received_jiffies;
 
+       if (priv->cfg->plcp_delta_threshold ==
+           IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE) {
+               IWL_DEBUG_RADIO(priv, "plcp_err check disabled\n");
+               return rc;
+       }
        memcpy(&current_stat, pkt->u.raw, sizeof(struct
                        iwl3945_notif_statistics));
        /*
@@ -460,7 +465,7 @@ void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
        IWL_DEBUG_RX(priv, "Statistics notification received (%d vs %d).\n",
                     (int)sizeof(struct iwl3945_notif_statistics),
                     le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
-#ifdef CONFIG_IWLWIFI_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUGFS
        iwl3945_accumulative_statistics(priv, (__le32 *)&pkt->u.raw);
 #endif
        iwl_recover_from_statistics(priv, pkt);
@@ -475,7 +480,7 @@ void iwl3945_reply_statistics(struct iwl_priv *priv,
        __le32 *flag = (__le32 *)&pkt->u.raw;
 
        if (le32_to_cpu(*flag) & UCODE_STATISTICS_CLEAR_MSK) {
-#ifdef CONFIG_IWLWIFI_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUGFS
                memset(&priv->_3945.accum_statistics, 0,
                        sizeof(struct iwl3945_notif_statistics));
                memset(&priv->_3945.delta_statistics, 0,
@@ -494,158 +499,6 @@ void iwl3945_reply_statistics(struct iwl_priv *priv,
  * Misc. internal state and helper functions
  *
  ******************************************************************************/
-#ifdef CONFIG_IWLWIFI_DEBUG
-
-/**
- * iwl3945_report_frame - dump frame to syslog during debug sessions
- *
- * You may hack this function to show different aspects of received frames,
- * including selective frame dumps.
- * group100 parameter selects whether to show 1 out of 100 good frames.
- */
-static void _iwl3945_dbg_report_frame(struct iwl_priv *priv,
-                     struct iwl_rx_packet *pkt,
-                     struct ieee80211_hdr *header, int group100)
-{
-       u32 to_us;
-       u32 print_summary = 0;
-       u32 print_dump = 0;     /* set to 1 to dump all frames' contents */
-       u32 hundred = 0;
-       u32 dataframe = 0;
-       __le16 fc;
-       u16 seq_ctl;
-       u16 channel;
-       u16 phy_flags;
-       u16 length;
-       u16 status;
-       u16 bcn_tmr;
-       u32 tsf_low;
-       u64 tsf;
-       u8 rssi;
-       u8 agc;
-       u16 sig_avg;
-       u16 noise_diff;
-       struct iwl3945_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt);
-       struct iwl3945_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt);
-       struct iwl3945_rx_frame_end *rx_end = IWL_RX_END(pkt);
-       u8 *data = IWL_RX_DATA(pkt);
-
-       /* MAC header */
-       fc = header->frame_control;
-       seq_ctl = le16_to_cpu(header->seq_ctrl);
-
-       /* metadata */
-       channel = le16_to_cpu(rx_hdr->channel);
-       phy_flags = le16_to_cpu(rx_hdr->phy_flags);
-       length = le16_to_cpu(rx_hdr->len);
-
-       /* end-of-frame status and timestamp */
-       status = le32_to_cpu(rx_end->status);
-       bcn_tmr = le32_to_cpu(rx_end->beacon_timestamp);
-       tsf_low = le64_to_cpu(rx_end->timestamp) & 0x0ffffffff;
-       tsf = le64_to_cpu(rx_end->timestamp);
-
-       /* signal statistics */
-       rssi = rx_stats->rssi;
-       agc = rx_stats->agc;
-       sig_avg = le16_to_cpu(rx_stats->sig_avg);
-       noise_diff = le16_to_cpu(rx_stats->noise_diff);
-
-       to_us = !compare_ether_addr(header->addr1, priv->mac_addr);
-
-       /* if data frame is to us and all is good,
-        *   (optionally) print summary for only 1 out of every 100 */
-       if (to_us && (fc & ~cpu_to_le16(IEEE80211_FCTL_PROTECTED)) ==
-           cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) {
-               dataframe = 1;
-               if (!group100)
-                       print_summary = 1;      /* print each frame */
-               else if (priv->framecnt_to_us < 100) {
-                       priv->framecnt_to_us++;
-                       print_summary = 0;
-               } else {
-                       priv->framecnt_to_us = 0;
-                       print_summary = 1;
-                       hundred = 1;
-               }
-       } else {
-               /* print summary for all other frames */
-               print_summary = 1;
-       }
-
-       if (print_summary) {
-               char *title;
-               int rate;
-
-               if (hundred)
-                       title = "100Frames";
-               else if (ieee80211_has_retry(fc))
-                       title = "Retry";
-               else if (ieee80211_is_assoc_resp(fc))
-                       title = "AscRsp";
-               else if (ieee80211_is_reassoc_resp(fc))
-                       title = "RasRsp";
-               else if (ieee80211_is_probe_resp(fc)) {
-                       title = "PrbRsp";
-                       print_dump = 1; /* dump frame contents */
-               } else if (ieee80211_is_beacon(fc)) {
-                       title = "Beacon";
-                       print_dump = 1; /* dump frame contents */
-               } else if (ieee80211_is_atim(fc))
-                       title = "ATIM";
-               else if (ieee80211_is_auth(fc))
-                       title = "Auth";
-               else if (ieee80211_is_deauth(fc))
-                       title = "DeAuth";
-               else if (ieee80211_is_disassoc(fc))
-                       title = "DisAssoc";
-               else
-                       title = "Frame";
-
-               rate = iwl3945_hwrate_to_plcp_idx(rx_hdr->rate);
-               if (rate == -1)
-                       rate = 0;
-               else
-                       rate = iwl3945_rates[rate].ieee / 2;
-
-               /* print frame summary.
-                * MAC addresses show just the last byte (for brevity),
-                *    but you can hack it to show more, if you'd like to. */
-               if (dataframe)
-                       IWL_DEBUG_RX(priv, "%s: mhd=0x%04x, dst=0x%02x, "
-                                    "len=%u, rssi=%d, chnl=%d, rate=%d,\n",
-                                    title, le16_to_cpu(fc), header->addr1[5],
-                                    length, rssi, channel, rate);
-               else {
-                       /* src/dst addresses assume managed mode */
-                       IWL_DEBUG_RX(priv, "%s: 0x%04x, dst=0x%02x, "
-                                    "src=0x%02x, rssi=%u, tim=%lu usec, "
-                                    "phy=0x%02x, chnl=%d\n",
-                                    title, le16_to_cpu(fc), header->addr1[5],
-                                    header->addr3[5], rssi,
-                                    tsf_low - priv->scan_start_tsf,
-                                    phy_flags, channel);
-               }
-       }
-       if (print_dump)
-               iwl_print_hex_dump(priv, IWL_DL_RX, data, length);
-}
-
-static void iwl3945_dbg_report_frame(struct iwl_priv *priv,
-                     struct iwl_rx_packet *pkt,
-                     struct ieee80211_hdr *header, int group100)
-{
-       if (iwl_get_debug_level(priv) & IWL_DL_RX)
-               _iwl3945_dbg_report_frame(priv, pkt, header, group100);
-}
-
-#else
-static inline void iwl3945_dbg_report_frame(struct iwl_priv *priv,
-                     struct iwl_rx_packet *pkt,
-                     struct ieee80211_hdr *header, int group100)
-{
-}
-#endif
 
 /* This is necessary only for a number of statistics, see the caller. */
 static int iwl3945_is_network_packet(struct iwl_priv *priv,
@@ -777,8 +630,6 @@ static void iwl3945_rx_reply_rx(struct iwl_priv *priv,
                              rx_status.signal, rx_status.signal,
                              rx_status.rate_idx);
 
-       /* Set "1" to report good data frames in groups of 100 */
-       iwl3945_dbg_report_frame(priv, pkt, header, 1);
        iwl_dbg_log_rx_data_frame(priv, le16_to_cpu(rx_hdr->len), header);
 
        if (network_packet) {
@@ -850,25 +701,28 @@ void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq)
        /* Unmap tx_cmd */
        if (counter)
                pci_unmap_single(dev,
-                               pci_unmap_addr(&txq->meta[index], mapping),
-                               pci_unmap_len(&txq->meta[index], len),
+                               dma_unmap_addr(&txq->meta[index], mapping),
+                               dma_unmap_len(&txq->meta[index], len),
                                PCI_DMA_TODEVICE);
 
        /* unmap chunks if any */
 
-       for (i = 1; i < counter; i++) {
+       for (i = 1; i < counter; i++)
                pci_unmap_single(dev, le32_to_cpu(tfd->tbs[i].addr),
                         le32_to_cpu(tfd->tbs[i].len), PCI_DMA_TODEVICE);
-               if (txq->txb[txq->q.read_ptr].skb[0]) {
-                       struct sk_buff *skb = txq->txb[txq->q.read_ptr].skb[0];
-                       if (txq->txb[txq->q.read_ptr].skb[0]) {
-                               /* Can be called from interrupt context */
-                               dev_kfree_skb_any(skb);
-                               txq->txb[txq->q.read_ptr].skb[0] = NULL;
-                       }
+
+       /* free SKB */
+       if (txq->txb) {
+               struct sk_buff *skb;
+
+               skb = txq->txb[txq->q.read_ptr].skb;
+
+               /* can be called from irqs-disabled context */
+               if (skb) {
+                       dev_kfree_skb_any(skb);
+                       txq->txb[txq->q.read_ptr].skb = NULL;
                }
        }
-       return ;
 }
 
 /**
@@ -915,22 +769,6 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
                rts_retry_limit = data_retry_limit;
        tx_cmd->rts_retry_limit = rts_retry_limit;
 
-       if (ieee80211_is_mgmt(fc)) {
-               switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
-               case cpu_to_le16(IEEE80211_STYPE_AUTH):
-               case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
-               case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ):
-               case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ):
-                       if (tx_flags & TX_CMD_FLG_RTS_MSK) {
-                               tx_flags &= ~TX_CMD_FLG_RTS_MSK;
-                               tx_flags |= TX_CMD_FLG_CTS_MSK;
-                       }
-                       break;
-               default:
-                       break;
-               }
-       }
-
        tx_cmd->rate = rate;
        tx_cmd->tx_flags = tx_flags;
 
@@ -947,8 +785,7 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
                       tx_cmd->supp_rates[1], tx_cmd->supp_rates[0]);
 }
 
-static u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id,
-                          u16 tx_rate, u8 flags)
+static u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id, u16 tx_rate)
 {
        unsigned long flags_spin;
        struct iwl_station_entry *station;
@@ -962,10 +799,9 @@ static u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id,
        station->sta.sta.modify_mask = STA_MODIFY_TX_RATE_MSK;
        station->sta.rate_n_flags = cpu_to_le16(tx_rate);
        station->sta.mode = STA_CONTROL_MODIFY_MSK;
-
+       iwl_send_add_sta(priv, &station->sta, CMD_ASYNC);
        spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
 
-       iwl_send_add_sta(priv, &station->sta, flags);
        IWL_DEBUG_RATE(priv, "SCALE sync station %d to rate %d\n",
                        sta_id, tx_rate);
        return sta_id;
@@ -997,7 +833,7 @@ static int iwl3945_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src)
 
 static int iwl3945_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
 {
-       iwl_write_direct32(priv, FH39_RCSR_RBD_BASE(0), rxq->dma_addr);
+       iwl_write_direct32(priv, FH39_RCSR_RBD_BASE(0), rxq->bd_dma);
        iwl_write_direct32(priv, FH39_RCSR_RPTR_ADDR(0), rxq->rb_stts_dma);
        iwl_write_direct32(priv, FH39_RCSR_WPTR(0), 0);
        iwl_write_direct32(priv, FH39_RCSR_CONFIG(0),
@@ -2473,8 +2309,7 @@ static int iwl3945_manage_ibss_station(struct iwl_priv *priv,
 
                iwl3945_sync_sta(priv, vif_priv->ibss_bssid_sta_id,
                                 (priv->band == IEEE80211_BAND_5GHZ) ?
-                                IWL_RATE_6M_PLCP : IWL_RATE_1M_PLCP,
-                                CMD_ASYNC);
+                                IWL_RATE_6M_PLCP : IWL_RATE_1M_PLCP);
                iwl3945_rate_scale_init(priv->hw, vif_priv->ibss_bssid_sta_id);
 
                return 0;
@@ -2590,6 +2425,7 @@ int iwl3945_hw_set_hw_params(struct iwl_priv *priv)
 
        priv->hw_params.rx_wrt_ptr_reg = FH39_RSCSR_CHNL0_WPTR;
        priv->hw_params.max_beacon_itrvl = IWL39_MAX_UCODE_BEACON_INTERVAL;
+       priv->hw_params.beacon_time_tsf_bits = IWL3945_EXT_BEACON_TIME_POS;
 
        return 0;
 }
@@ -2865,7 +2701,7 @@ static struct iwl_lib_ops iwl3945_lib = {
 static struct iwl_hcmd_utils_ops iwl3945_hcmd_utils = {
        .get_hcmd_size = iwl3945_get_hcmd_size,
        .build_addsta_hcmd = iwl3945_build_addsta_hcmd,
-       .rts_tx_cmd_flag = iwlcore_rts_tx_cmd_flag,
+       .tx_cmd_protection = iwlcore_tx_cmd_protection,
        .request_scan = iwl3945_request_scan,
 };
 
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